EP3938579A1 - Appareil de purification d'air, tunnel routier comprenant ledit appareil de purification d'air et procédé de purification d'air - Google Patents

Appareil de purification d'air, tunnel routier comprenant ledit appareil de purification d'air et procédé de purification d'air

Info

Publication number
EP3938579A1
EP3938579A1 EP20712706.9A EP20712706A EP3938579A1 EP 3938579 A1 EP3938579 A1 EP 3938579A1 EP 20712706 A EP20712706 A EP 20712706A EP 3938579 A1 EP3938579 A1 EP 3938579A1
Authority
EP
European Patent Office
Prior art keywords
air
air duct
purifying apparatus
way valve
roadside
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20712706.9A
Other languages
German (de)
English (en)
Other versions
EP3938579C0 (fr
EP3938579B1 (fr
Inventor
Silvester De Graaf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cirade
Original Assignee
Cirade
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cirade filed Critical Cirade
Publication of EP3938579A1 publication Critical patent/EP3938579A1/fr
Application granted granted Critical
Publication of EP3938579C0 publication Critical patent/EP3938579C0/fr
Publication of EP3938579B1 publication Critical patent/EP3938579B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B1/00—Percussion drilling
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
    • E01C1/005—Means permanently installed along the road for removing or neutralising exhaust gases
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/003—Ventilation of traffic tunnels

Definitions

  • Air purifying apparatus road tunnel comprising said air purifying apparatus and method for purifying air
  • the invention relates to an air purifying apparatus, in particular a passive air purifying apparatus, for along the roadside.
  • roadside air or polluted air comprises exhaust gases from traffic, such as greenhouse gases and particulate matter, which accumulate at and/or near the roadside.
  • traffic such as greenhouse gases and particulate matter
  • polluted air may linger in road tunnels. Therefore, in the vicinity of the roadside, environmental norms may be exceeded locally to the detriment of the environment and possibly to the health of road users and/or (local) residents.
  • polluted air may tend to accumulate at the entrance/exit of the tunnel relatively quickly and may often exceed environmental norms. Polluted air accumulates in the tunnel and is driven towards the entrance/exit by traffic exiting the tunnel.
  • a vehicle that participates in or makes up the traffic causes a local disturbance in an ambient pressure field. This local disturbance or change in the ambient pressure field around the vehicle moves along with the vehicle and tends to drive polluted air comprising e.g. exhaust gasses and/or particulate matter towards the end of the tunnel, that is to say the entrance/exit in case of two-way tunnels.
  • busses busses
  • trucks and lorries may relatively speaking contribute more to this phenomenon as they generally cause greater local changes in the pressure field around the vehicle than for instance cars or motorcycles. Consequently the
  • substitute sheets (Rule 26) aforementioned types of vehicles may cause a greater displacement of polluted air towards the end of the tunnel.
  • Active air purifying devices are generally known and typically applied in road tunnels. Commonly, active air purifying devices are required for ventilating road tunnels of a certain length, e.g. tunnels of at least 500 m in the Netherlands. In particular, national legislation requires active ventilation in case of traffic jams, which may cause a relatively fast accumulation of polluted air within the road tunnel. Also, these active air purifying devices are often required to actively dissipate and/or lead away smoke in case of a fire within the road tunnel, e.g. for safety or evacuation purposes. Typically, these active air purifying devices comprise an inlet, an outlet, an air duct extending therebetween, and a power source to power one or more ventilators that are provided in and/or along the air duct.
  • the invention aims at alleviating one or more of the
  • the invention aims to provide a passive air purifying apparatus that dissipates and/or disperses polluted air and does not require active ventilation.
  • the energy consumption and operational cost of the air purifying apparatus may be reduced with a relatively simple construction that may require low maintenance.
  • the invention provides for a passive air purifying apparatus for along the roadside, comprising at least one inlet, and at least one outlet and an air duct connecting the at least one inlet with the at least one outlet, wherein the at least one inlet is positioned along the roadside,
  • substitute sheets wherein the at least one outlet is positioned remote from the roadside, wherein the inlet is provided with a one-way valve that is biased towards a closed position, wherein the bias is such that the one-way valve opens when a valve pressure difference between a side of the one-way valve that faces away from the air duct and a side of the one-way valve that faces towards the air duct exceeds a threshold value, wherein the threshold value is chosen such that an over-pressure generated by a passing vehicle leads to a valve pressure difference that is greater than the threshold value.
  • An over-pressure in this context is an above-atmospheric pressure, wherein the atmospheric pressure is the environmental pressure prevailing at the roadside when no vehicles are passing.
  • the over-pressure that is generated by a passing vehicle is meant to be construed as a local pressure increase in the flow field around the vehicle.
  • a pressure accumulation at a side of the vehicle that faces the air flow that is incoming with respect to the vehicle For example, as the vehicle moves through the air, the air is pushed aside by the vehicle and thereby the air flows around the vehicle. Due to the inertia of the air its pressure may increase locally causing the so-called over-pressure at the side of the vehicle that faces the direction of travel of the vehicle.
  • the bias By configuring the bias such that the one-way valve opens when a valve pressure difference between a side of the one-way valve that faces away from the air duct and a side of the one-way valve that faces towards the air duct exceeds a threshold value, it may be facihtated that roadside air may enter the air duct through the at least one inlet under certain conditions whilst counteracting that air flows out of the air duct through the at least one inlet.
  • the threshold value is chosen such that an over-pressure generated by a passing vehicle leads to a valve pressure difference that is greater than the threshold value
  • roadside air may be fed into the air duct through the at least one inlet using the over-pressure generated by a passing vehicle.
  • roadside air that is relatively polluted with respect to ambient air, may passively be dispelled from the roadside and be fed into the air duct.
  • the outlet When the outlet is positioned remote from the roadside, it may be facilitated that roadside air that has been fed into the air duct may be expelled and/or dispersed out of the air duct remote from the roadside.
  • the one-way valve comprises a flap for actuating the one-way valve from the closed to an open position
  • a construction that is relatively sensitive to over-pressure generated by passing vehicles may be achieved. This way, the flap may be used for actuating the one-way valve from the closed to an open position.
  • the flap When the flap is connected to and/or forms part of a valve body which valve body engages a valve seat when being in the closed position, the valve body and/or flap may rest on the valve seat in the closed position.
  • the valve seat may counteract that the valve body and/or flap moves past the valve seat toward the side of the one-way valve that faces away from the air duct.
  • the flap may be configured for actuating the valve body to bring it from the closed to an open position.
  • the flap may be aerodynamically shaped to tailor its response to over-pressure generated by passing vehicles.
  • air in particular roadside air
  • the at least one outlet may be transferred through the air duct to the external environment relatively effectively via the so-called stack-effect.
  • pollutants may be dispersed remotely which may reduce their impact on the (immediate) surroundings. This way, exceeding environmental norms locally along the roadside may be counteracted further.
  • pollutants may be dispersed at higher altitudes which may reduce their impact on the (immediate) surroundings.
  • pollutants may be dispersed above the immediate
  • the at least one outlet in particular comprising the flue
  • the at least one outlet is configured for passively generating an under-pressure in the air duct
  • passive transfer of roadside air from the at least one inlet to the at least one outlet via the air duct may be facihtated.
  • the passive transfer of air may be facilitated using a relatively simple and cost- effective construction.
  • a relatively large volume of air in particular roadside air, may be fed into the air duct via the plurahty of interspaced inlets to be dispersed remote from the roadside, e.g. through the at least one outlet.
  • substitute sheets (Rule 26) be achieved whilst increasing the volume of air, in particular roadside air, that may be fed into the air duct via the plurality of interspaced inlets.
  • the at least one air guiding panel placed along the air duct that guides the airflow generated by passing vehicles toward and/or through the at least one inlet, a momentum of airflow may be led towards and generate a pressure difference at the inlet.
  • flow of air, in particular roadside air, towards and/or through the at least one inlet may be facilitated.
  • dissipation of polluted air away from the roadside and into the air duct may be facilitated.
  • the at least one air guiding panel may be provided and or formed as a so-called air scoop.
  • the passive air purifying apparatus comprises at least one second inlet, at least one second outlet and a second air duct connecting the at least one second inlet with the at least one second outlet, wherein the at least one second outlet is positioned along the roadside and wherein the at least one second inlet positioned remote from the roadside, wherein the at least one second outlet is provided with an opposite one-way valve that is also biased towards a closed position, wherein the bias is such that the opposite one-way valve opens when a second valve pressure difference between a side of the opposite one-way valve that faces away from the air duct and a side of the opposite one-way valve that faces towards the second air duct exceeds a second threshold value, wherein the second threshold value is chosen such that an under-pressure generated at a trailing end of a passing vehicle leads to a second valve pressure difference that is, in particular in absolute sense, greater than the second threshold value, ambient air taken in remote from the roadside may be passively fed to the roadside. This way, polluted air at and or near the roadside may be
  • An under-pressure in this context is a sub-atmospheric pressure, wherein again the atmospheric pressure is the environmental pressure prevailing at the roadside when no vehicles are passing.
  • the under-pressure that is generated by a passing vehicle is meant to be construed as a local pressure decrease in the flow field around a vehicle.
  • the local pressure decrease in the flow field usually occurs at a side of the vehicle that faces away from the direction of travel of the vehicle such as its trailing end and/or sides.
  • relatively elongate vehicles such as limousines, busses, trucks and lorries, may at their sides that are substantially parallel to the direction of travel of the vehicle generate a local pressure decrease which may be further enhanced in e.g. road tunnels and street canyons.
  • air in particular roadside air
  • air may be purified before it is dispersed through the at least one outlet remote from the roadside.
  • air, in particular roadside air, purified by the air purifying filter may be returned to the roadside.
  • dilution of the roadside air may be facilitated using a relatively sustainable closed-loop system.
  • the (opposite) one-way valve is segmented into a plurality of valve segments, wherein each valve segment is biased towards the closed position, a construction that is relatively sensitive to pressure differences may be realized.
  • a degree of safety may be built in that may counteract the failure of an inlet and/or outlet.
  • the invention further provides for a road tunnel provided with a passive air purifying apparatus including features as discussed above.
  • the air duct in particular of the air purifying apparatus with the road tunnel, to accommodate at least one human and provide it with at least one entrance accessible from the roadside, it may be used as an escape route.
  • the air purifying device comprises an over-pressure ventilation device for actively generating an above-ambient pressure inside the air duct
  • clean air may be forced into the air duct to create an above ambient pressure inside the air duct that is greater than the ambient pressure e.g. in the road tunnel or in the vicinity of the roadside.
  • the one-way valves may be kept closed in case of a fire.
  • smoke may be counteracted from entering the air duct in case of a fire.
  • at least part of an interior of the passive air purifying apparatus may contain clean air and have good visibility that provides a safe escape route for evacuating people as well as for emergency services.
  • the invention further provides for a method for passively purifying air along a roadside, comprising the steps of: providing a passive air purifying apparatus including features as discussed above, using a pressure difference generated by passing vehicles to open a one-way valve of an inlet to an air duct, wherein the one-way valve is biased towards a closed position, drawing air into the air duct through the inlet by passively generating an under-pressure in the air duct with an outlet of the air duct; and leading air away from along a road side and dispersing it into the atmosphere through the outlet.
  • the method may further comprise the step of purifying the air within the air duct with a air purifying filter placed in the air duct. Such as for example arranging the air purifying filter along a wall of the air duct, inside the air duct or as a passage that fluidly connects the air ducts.
  • FIG. 1 shows a simplified schematic cross sectional view of a first embodiment of a passive air purifying apparatus according to the invention
  • Fig. 2 shows a simplified schematic front view of a roadside with a schematic cross sectional view of a second embodiment of the passive air purifying apparatus according to the invention
  • Fig. 3 shows a simplified schematic and partially cut away side view of a third embodiment of the passive air purifying apparatus according to the invention
  • Fig. 4 shows a simplified schematic cross sectional view of a fourth embodiment of a passive air purifying apparatus according to the invention
  • Fig. 5 shows a simplified schematic cross sectional side view of a fifth embodiment of the passive air purifying apparatus according to the invention.
  • Fig. 6 shows a simplified schematic cross sectional front view of a road tunnel comprising a passive purifying air apparatus according to the invention.
  • Fig. 1 shows a first embodiment of a passive air purifying apparatus 1 according to the invention.
  • the passive air purifying apparatus 1 is placed along a roadside R.
  • the passive air purifying apparatus 1 of the first embodiment is elegantly arranged in and/or as part of a guardrail.
  • the passive air purifying apparatus 1 may be provided as a stand-alone device along the roadside R.
  • the passive air purifying apparatus 1 comprises at least one inlet 2, at least one outlet 3 and an air duct 4.
  • one inlet 2 and one outlet 3 is shown.
  • the air duct 4 connects the inlet 2 with the outlet 3.
  • the inlet 2 is positioned along the roadside R.
  • the outlet 3 is positioned remote from the roadside R. In the context of this application, remote is to be
  • substitute sheets (Rule 26) construed at least as facing away from the roadside R, in particular as at a distance, such as at least 5 m, 3 m, or 1 m, preferably at least 0.2 m and/or as at an elevation of 5 m, 3 m, or 1 m, preferably at least 0.1 m, above the surrounding buildings or structures or vegetation.
  • the inlet 2 is provided with a one-way valve 5 that is biased towards a closed position I, see e.g.
  • the bias is such that the one-way valve 5 opens when a valve pressure difference between a side of the one-way valve 5 that faces away from the air duct 4 and a side of the one-way valve 5 that faces towards the air duct 4 exceeds a threshold value.
  • the threshold value is chosen such that an over-pressure generated by a passing vehicle V (see e.g. Fig. 2) leads to a valve pressure difference that is greater than the threshold value.
  • the threshold value is for example between 1 - 1000 Pa, such as between 1 - 750 Pa, 1 - 500 Pa, or 1 - 300 Pa .
  • Fig. 2 shows a second embodiment of the passive air purifying apparatus 1.
  • the roadside R is surrounded by buildings that may counteract dispersion of the so-called roadside air or polluted air, which in turn may cause roadside pollution in the air to accumulate.
  • the buildings may impede free flow of air, which is depicted schematically by the circulating arrow.
  • the one-way valve 5 comprises a flap 6 for actuating the one-way valve 5 from the closed I to an open position II.
  • the flap 6 forms a valve body 7.
  • the flap 6 may be a separate component that is connected to the valve body 7 in a manner known to the person skilled in the art. In the closed position I, the valve body 7 engages a valve seat 8.
  • the valve body 7 and/or flap 6 rest on the valve seat 8 in the closed position I.
  • the flap 6 is configured for actuating the valve body 7 to bring it from the closed position I to the open position II.
  • the flap 6 comprises a relatively large surface area, such as a surface area of for example 1 - 10000 cm 2 , 10 - 5000 cm 2 or 25 - 1000 cm 2 . Additionally or alternatively, the flap 6 may be
  • substitute sheets (Rule 26) aerodynamically formed to tailor its response to over-pressure generated by passing vehicles V in a manner known to a person skilled in the art.
  • the outlet 3 comprises a flue 9.
  • Each outlet 3 of the at least one outlet 3 may comprise a dedicated flue 9.
  • a plurality of outlets 3 may as a group be in fluid connection with a single flue 9.
  • An outlet of the flue 9 is placed at a distance from the roadside R, in particular at an elevated position H transverse to a plane of the roadside R.
  • the outlet of the flue 9 is preferably elevated above the surroundings, in particular the buildings, such that the roadside air may be dispersed at higher altitudes which reduces the impact on the (immediate) surroundings.
  • the outlet 3 is dimensioned such that it passively generates an under-pressure in the air duct 4.
  • the outlet of the flue 9 is provided with a turbovent 10 contributing to the passively generated under-pressure in the air duct 4.
  • the at least one outlet 3 and/or outlet of the flue 9 may e.g. comprise a cap, cowl and/or turbovent 10.
  • the air duct 4 may be configured for passively generating an under-pressure in a manner known to the person skilled in the art.
  • Fig. 3 shows a third embodiment of the passive air purifying apparatus 1.
  • the passive air purifying apparatus 1 comprises air guiding panels 11 placed along the air duct 4 that guides the pressure difference generated by passing vehicles V towards and through the inlets 2.
  • the inlets comprise a grid 23 that shields an interior of the air duct from solid particles, in particular solid particles sized in the range 1 - 50 mm. This way, entrance of e.g. pieces of asphalt or other solid particles that might damage the (interior of) the inlet 2 and/or the air duct 4 may be
  • the passive air purifying apparatus 1 further comprises an air purifying filter 12 that is arranged in the air duct 4.
  • the outlet 3 is arranged in the air duct 4.
  • substitute sheets corresponds to the outlet of the flue 9. As shown, the roadside air is filtered before it is expelled from the outlet 3.
  • a plurality of interspaced inlets 3 are placed longitudinally along the air duct 4.
  • the interspace between successive inlets 3 of the plurality of interspaced inlets 3 may e.g. be between 0.1 - 10 m, such as between 0.5 - 9 m, 1 - 8 m, or 2 - 5 m.
  • Each inlet 3 is provided with a one-way valve 5 that is biased towards the closed position.
  • Fig. 4 shows a fourth embodiment of the passive air purifying apparatus 1.
  • the passive air purifying apparatus 1 comprises a second inlet 13, a second outlet 14 and a second air duct 15 connecting the second inlet 13 with the second outlet 14.
  • the second outlet 14 is positioned along the roadside R.
  • the second inlet 13 is positioned remote from the roadside R.
  • the second outlet 14 is provided with an opposite one-way valve 16 that is also biased towards a closed position I.
  • the bias is such that the opposite one-way valve 16 opens when an absolute value of the second valve pressure difference between a side of the opposite one-way valve 16 that faces away from the second air duct 15 and a side of the opposite one-way valve 16 that faces towards the second air duct 15 exceeds a second threshold value.
  • the second threshold value is chosen such that an under-pressure generated at a traihng end and/or side of a passing vehicle V leads to a second valve pressure difference that is greater than the second threshold value.
  • the second threshold value may be proportional to or a multiple of the first threshold value.
  • the opposite one-way valve 16 comprises a second flap 17 for actuating the opposite one-way valve 16 from a closed I to an open position II.
  • the second flap 17 forms a second valve body 18 which second valve body 18 engages a second valve seat 19 when being in the closed position I.
  • the second flap 17 is configured for actuating the second valve body 18 to bring it from the closed I to the open position II.
  • FIG. 5 shows a fifth embodiment of the passive air purifying apparatus 1 comprising the air purifying filter 12.
  • the air purifying filter 12 forms a passage that fluidly couples the air duct 4 to the second air duct 15, thereby forming an air duct unit 24.
  • Fig. 6 shows a road tunnel 20 provided with the passive air purifying apparatus 1.
  • the depicted road tunnel 20 is a two-way tunnel.
  • Passive air purifying apparatuses 1 are provided inside the tunnel 20, in particular along the side and upper-part of the tunnel 20.
  • Each inlet 3 is provided with a one-way valve 5 that is biased towards the closed position I.
  • the vehicle V on the left side of the tunnel 20 causes the one-way valves 5 on the left-hand side to move to the open position II whilst the one-way valves 5 on the right-hand side remain substantially closed.
  • the passive air purifying apparatus 1 comprises at least one ventilator 21 for actively generating an above-ambient pressure inside the air duct to e.g. provide a safe passage there through with clean air and good visibility allowing people to use air duct 4 as an escape route 22 in case of fire.
  • the air duct 4 is dimensioned such that humans may use it as escape route 22.
  • the passive air purifying apparatus may comprise alternating sections of air ducts and second air ducts. This way, inlets and second outlets may be conveniently disposed along the roadside to disperse roadside air whilst inducing an inflow of ambient air. Thereby, the over pressure generated at a front face/leading edge and the under-pressure generated at the trailing end and/or side of passing vehicles may beneficially be utilized substantially simultaneously.
  • the road tunnel may additionally or alternatively be provided with second outlets associated with
  • substitute sheets (Rule 26) second air ducts for contributing to an inflow of ambient air to dilute the roadside air.
  • inlets and/or outlets of the air purifying apparatus may be provided with a plurality of one-way valves.
  • the passive air purifying apparatus may comprise at least one ventilator for actively removing smoke from the tunnel in case of fire.
  • the air duct may be at least partially submerged and/or accommodated within the ground.
  • facades in/of buildings, in particular buildings along the roadside may be provided with the passive air purifying apparatus without extending beyond the scope of the invention.
  • additional one way valves may be placed in the air duct to counteract backflow of air within the duct.
  • the at least one outlet may be integrated in e.g. lampposts, electricity poles and/or (tele)communication masts.
  • an energy generation device may be placed in the air duct for generating energy from the over-pressure generated from passing vehicles.
  • each air guiding panel and/or air scoop may extend from the inlet to direct the over-pressure generated by a passing vehicle towards the one-way valve.
  • each air guiding panel may have a cross section formed as an airfoil and/or a double curved airfoil. Said over-pressure may then be urged towards the one-way valve.
  • the at least one air guiding panel and/or air scoop may be placed
  • momentum of airflow may be led towards and generate a pressure difference at the one-way valve in the inlet.
  • a span of the airfoil shaped air guiding panel may extend along the longitudinal direction of the air duct.
  • a plurality of interspaced airfoil shaped air guiding panels may be placed longitudinally along the air duct, in particular such that each guiding panel corresponds to a respective inlet of the plurality of interspaced inlets that are placed
  • the span of the airfoil shaped air guiding panel may extend substantially transverse to the longitudinal direction of the air duct, in particular along a width direction of the air duct.
  • the transversely extending air guiding panel may e.g. be positioned below an inlet facing towards a plane of the roadside to direct the over-pressure generated by passing vehicles towards said inlet.
  • a free end of the air guiding panel or so-called wingtip of the airfoil shaped air guiding panel may e.g. be provided with a wingtip device or winglet. This way, wingtip vortices may be reduced and/or controllability of the airflow may be improved.
  • This can facihtate feeding of roadside air into the air duct through the at least one inlet using the over pressure generated by a passing vehicle .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Road Paving Structures (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un appareil de purification d'air passif pour le long du bord de route, comprenant au moins une entrée, et au moins une sortie et un conduit d'air reliant l'une ou les entrées à l'une ou aux sorties, l'au moins une entrée étant positionnée le long du bord de route, l'une ou les sorties étant positionnées à distance du bord de route, l'entrée étant pourvue d'une soupape unidirectionnelle qui est sollicitée vers une position fermée, la sollicitation étant telle que la soupape unidirectionnelle s'ouvre lorsqu'une différence de pression de soupape entre un côté de la soupape unidirectionnelle qui est opposé au conduit d'air et un côté de la soupape unidirectionnelle qui fait face au conduit d'air dépasse une valeur seuil, la valeur de seuil étant choisie de telle sorte qu'une surpression générée par le passage d'un véhicule entraîne une différence de pression de soupape supérieure à la valeur seuil.
EP20712706.9A 2019-03-11 2020-03-11 Appareil de purification d'air, tunnel routier comprenant ledit appareil de purification d'air et procédé de purification d'air Active EP3938579B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2022717A NL2022717B1 (en) 2019-03-11 2019-03-11 Air purifying apparatus, road tunnel comprising said air purifying apparatus and method for purifying air
PCT/NL2020/050157 WO2020185078A1 (fr) 2019-03-11 2020-03-11 Appareil de purification d'air, tunnel routier comprenant ledit appareil de purification d'air et procédé de purification d'air

Publications (3)

Publication Number Publication Date
EP3938579A1 true EP3938579A1 (fr) 2022-01-19
EP3938579C0 EP3938579C0 (fr) 2025-01-15
EP3938579B1 EP3938579B1 (fr) 2025-01-15

Family

ID=66380086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20712706.9A Active EP3938579B1 (fr) 2019-03-11 2020-03-11 Appareil de purification d'air, tunnel routier comprenant ledit appareil de purification d'air et procédé de purification d'air

Country Status (3)

Country Link
EP (1) EP3938579B1 (fr)
NL (1) NL2022717B1 (fr)
WO (1) WO2020185078A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117344678A (zh) * 2023-11-13 2024-01-05 兰州理工大学 高速公路雾区引导装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1632607A1 (fr) * 2004-09-06 2006-03-08 Charlotte Maké panneau antibruit avec filtre
WO2008152795A1 (fr) * 2007-06-14 2008-12-18 Panasonic Corporation Dispositif de purification d'air
WO2009058019A1 (fr) * 2007-11-01 2009-05-07 Blue Temple B.V. Écran de protection anti-bruit, élément d'écran et barrière de sécurité
NL2001650C2 (nl) * 2008-06-05 2009-12-08 Blue Temple B V Filterinrichting en filter voor toepassing daarin alsmede een afscheidingsscherm voor plaatsing langs een verkeersweg.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1632607A1 (fr) * 2004-09-06 2006-03-08 Charlotte Maké panneau antibruit avec filtre
WO2008152795A1 (fr) * 2007-06-14 2008-12-18 Panasonic Corporation Dispositif de purification d'air
WO2009058019A1 (fr) * 2007-11-01 2009-05-07 Blue Temple B.V. Écran de protection anti-bruit, élément d'écran et barrière de sécurité
NL2001650C2 (nl) * 2008-06-05 2009-12-08 Blue Temple B V Filterinrichting en filter voor toepassing daarin alsmede een afscheidingsscherm voor plaatsing langs een verkeersweg.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020185078A1 *

Also Published As

Publication number Publication date
WO2020185078A1 (fr) 2020-09-17
EP3938579C0 (fr) 2025-01-15
EP3938579B1 (fr) 2025-01-15
NL2022717B1 (en) 2020-09-18

Similar Documents

Publication Publication Date Title
CN100557191C (zh) 隧道排烟方法及带独立排烟装置的隧道通风系统
KR101244372B1 (ko) 자동 개폐 댐퍼를 이용한 종류식 환기 및 횡류식 제연 병용장치 및 그 장치의 운용방법
KR101752180B1 (ko) 고효율 에너지 절약형 차량용 터널 출구 설치형 흡기 시스템
CN101275468A (zh) 城市隧道竖井型自然通风与防排烟方法
CN102400701A (zh) 公路隧道互通式纵向通风方式
EP3938579B1 (fr) Appareil de purification d'air, tunnel routier comprenant ledit appareil de purification d'air et procédé de purification d'air
WO2011092448A1 (fr) Rideau d'air
US20030091394A1 (en) Covered highway structure with means for easy and quick access to tunnel interior
KR200427932Y1 (ko) 지하철역의 에어커튼 장치
CN111764948B (zh) 公路隧道群防灾系统
WO2017042371A1 (fr) Système d'extraction de fluide actionné par fluide
CN208534524U (zh) 一种用于隧道的高效通风系统
KR101732405B1 (ko) 열차풍을 이용한 승강장 배기장치
KR100529046B1 (ko) 지하철 에어커튼장치 및 이를 이용한 에어커튼 형성방법
CN119102719A (zh) 一种应用于隧道侧排的可移动式通风兼排烟系统
KR20140025805A (ko) 도시철도 본선터널의 수직환기구 풍도 내 가이드 베인 설치를 통한 압력 강하방지 및 유지 구조
KR20140093202A (ko) 도시철도 본선터널의 수직환기구 입구 유동 병목현상 제거 구조
KR102243704B1 (ko) 터널 사이드에 복수설치가 가능한 임펠러 없는 환기팬
CN111365055B (zh) 一种螺旋隧道用引射式通风排烟系统
JP2000120399A (ja) 長大トンネルの換気システム
KR101648952B1 (ko) 환기 성능 및 제연 성능 향상이 가능한 신형 환기 시스템
EP1783323A1 (fr) Système de ventilation pour voies de circulation couvertes
Biotto et al. Low-pressure ventilation system for road tunnel normal operations-West Gate Tunnel
KR20170133126A (ko) 지하철의 승강장 배연 장치
CN219910835U (zh) 隧道的排烟装置

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20211005

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20231011

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: E21F 1/00 20060101ALI20240718BHEP

Ipc: E21B 1/00 20060101ALI20240718BHEP

Ipc: E01F 15/04 20060101ALI20240718BHEP

Ipc: E01C 1/00 20060101AFI20240718BHEP

INTG Intention to grant announced

Effective date: 20240806

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602020044768

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

U01 Request for unitary effect filed

Effective date: 20250212

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT RO SE SI

Effective date: 20250218

U20 Renewal fee for the european patent with unitary effect paid

Year of fee payment: 6

Effective date: 20250218

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250415

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250115

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250115

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250515

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250415

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250115

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250416

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20250401

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250115

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250115

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250115

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250115

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: CH

Ref legal event code: L10

Free format text: ST27 STATUS EVENT CODE: U-0-0-L10-L00 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20251126

26N No opposition filed

Effective date: 20251016

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20250311

REG Reference to a national code

Ref country code: CH

Ref legal event code: U11

Free format text: ST27 STATUS EVENT CODE: U-0-0-U10-U11 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20260401

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20260324

Year of fee payment: 7

U20 Renewal fee for the european patent with unitary effect paid

Year of fee payment: 7

Effective date: 20260326