EP1553284A1 - Luftansaugdämpfungsanlage, insbesondere für aufgeladene Brennkraftmaschinen oder Klimaanlage, und Ansaugkanal mit solch einer Anlage - Google Patents

Luftansaugdämpfungsanlage, insbesondere für aufgeladene Brennkraftmaschinen oder Klimaanlage, und Ansaugkanal mit solch einer Anlage Download PDF

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Publication number
EP1553284A1
EP1553284A1 EP04292929A EP04292929A EP1553284A1 EP 1553284 A1 EP1553284 A1 EP 1553284A1 EP 04292929 A EP04292929 A EP 04292929A EP 04292929 A EP04292929 A EP 04292929A EP 1553284 A1 EP1553284 A1 EP 1553284A1
Authority
EP
European Patent Office
Prior art keywords
air
section
shells
noise attenuation
shell
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
EP04292929A
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English (en)
French (fr)
Other versions
EP1553284B8 (de
EP1553284B1 (de
Inventor
Jean-Michel Coulon
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.)
Tristone Flowtech Solutions SNC TFS
Original Assignee
Trelleborg Fluid and Acoustic Solutions
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 Trelleborg Fluid and Acoustic Solutions filed Critical Trelleborg Fluid and Acoustic Solutions
Publication of EP1553284A1 publication Critical patent/EP1553284A1/de
Application granted granted Critical
Publication of EP1553284B1 publication Critical patent/EP1553284B1/de
Publication of EP1553284B8 publication Critical patent/EP1553284B8/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205Flow throttling or guiding
    • F02M35/1216Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1255Intake silencers ; Sound modulation, transmission or amplification using resonance
    • F02M35/1261Helmholtz resonators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1255Intake silencers ; Sound modulation, transmission or amplification using resonance
    • F02M35/1266Intake silencers ; Sound modulation, transmission or amplification using resonance comprising multiple chambers or compartments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1283Manufacturing or assembly; Connectors; Fixations

Definitions

  • the present invention relates to a device for attenuation of noise on a air intake circuit for an internal combustion engine, preferably supercharged, or apparatus for air conditioning, and an air intake system for engine, preferably supercharged, or air conditioner, equipped such a device for attenuation of noise.
  • a noise attenuation device presenting in the form of an integrable driving section by each of its ends respectively constituting an inlet and an air outlet to the circuit air intake, this section of pipe, formed by the assembly of two half-shells, being partitioned longitudinally to delimit, along a axial air passage connecting the air intake and the air outlet and called section duct, at least one blind volume consisting of a chamber of resonance communicating through at least one opening with said main duct section to establish air communication between the resonance chamber and the main duct section.
  • Such a noise attenuation device is more particularly intended to be positioned on the supercharged portion of an engine air intake system internal combustion.
  • a turbocharger This one increases the pressure air supply but also the temperature. So it is necessary, as illustrated in Figure 1 relating to the state of the art, that air passes through a chiller A attached to the vehicle before reaching the engine.
  • the line connecting the turbocharger B and the cooler A of air is composed of two parts, namely a soft rubber part C or silicone capable of absorbing the movements of the engine / body and a part D rigid plastic or metal to minimize the cost and mass of all.
  • this device In view of the destination of this device, this device must be considered as belonging to the technical background.
  • this opening can vary, in terms of size, only in its width. Of therefore, the possibilities of modifications of the opening are limited. Otherwise, this design is such that it is not possible to integrate, in such a device, only two chambers made dissymmetrical.
  • An object of the present invention is therefore to propose an attenuation device noises on an air intake circuit whose design allows a attenuation of noise in a wide frequency band while presenting a small footprint.
  • Another object of the present invention is to propose an attenuation device noises on an air intake circuit whose design makes it possible to dispose of an acoustic attenuator incorporated in a rigid part of the pipe in order to minimize the number of components.
  • Another object of the present invention is to propose an attenuation device noises on an air intake circuit whose design allows for adapt to complex driving profiles.
  • Another object of the present invention is to propose an attenuation device noises on an air intake circuit whose design allows to make to easily vary the openings used for the communication of resonance chambers with the main pipe section by modification the height, width, shape and position of the openings on said duct so as to vary at will the frequency setting of the resonators thus formed.
  • the subject of the invention is a device for attenuating noise on a air intake circuit for an internal combustion engine, preferably supercharged, or apparatus for air conditioning, these noises being in particular the turbocharger and / or the engine and / or air conditioning unit of the vehicle, this noise attenuation device being in the form of a section of pipe integrable by each of its constituent ends respectively an inlet and an air outlet to the air intake circuit, this section of pipe, resulting from the assembly of two half-shells, being partitioned longitudinally to delimit, along an axial air passage connecting the air intake and the air outlet and called the main duct section, to less a blind volume consisting of a resonance chamber communicating via at least one opening with said main section of led to establish an air communication between the resonance chamber and the main duct section, characterized in that each half-shell of the driving section is partitioned using at least one partition longitudinal axis originating on the bottom wall of the half-shell and extending with its free edge into the joint plane of the half-shells, said
  • the design of the attenuation device it is possible to integrate such device on any type of circuit, including circuitry to the profile complex.
  • a noise attenuation device makes it possible to realize simultaneously the function of rigid duct air circulation and attenuation acoustics by means of a single element whose profile can be any. This goal could not be filled with features attenuation of conventional noise annular chambers.
  • Another subject of the invention is an air intake circuit for an engine, preferably supercharged, or air conditioner, of the type equipped with a noise attenuation device, these noises being in particular derived from the operation of the turbocharger and / or the engine and / or the vehicle air conditioning, this noise attenuation device presenting itself in the form of an integrable pipe section at each of its ends constituting an inlet and an air outlet to the air intake circuit, this section of pipe, resulting from the assembly of two half-shells, being partitioned longitudinally to delimit, along an axial air passage connecting the air intake and the air outlet and called the main duct section, to less a blind volume consisting of a resonance chamber communicating via at least one opening with said main section of led to establish an air communication between the resonance chamber and the main duct section, characterized in that the attenuation device noises of the air intake circuit is of the aforementioned type.
  • the noise attenuation device, object of the invention is intended to be installed on an air intake circuit for internal combustion engine, preferably supercharged, or on a circuit air intake for an air conditioning unit.
  • the noises to mitigate include those derived from the turbocharger 2 and / or the engine and / or the air conditioning unit of the vehicle.
  • the noise attenuation device is disposed in the circuit zone air intake extending between the turbocharger 2 and a cooler 3 suitable for cooling the air coming from the turbocharger 2.
  • This privileged arrangement brings together in a single element noises and rigid air circulation pipe which, until now, were realized in the form of two differentiated elements.
  • This noise attenuation device is in the form of a section 1 of integrated pipe by each of its ends to the air intake circuit.
  • One end of the pipe section 1 is a 2A air inlet while the other end constitutes a 2B outlet of air.
  • section 1 of conduct presents at each of its extremities a section of reduced size to constitute a connecting end solidarisable to the rest of the air intake system, preferably by welding waterproof.
  • connection ends formed in one piece with the section 1 of conduct, extend to each end of section 1 of driving beyond the shoulder formed by the narrowing of the section.
  • This section 1 of pipe is formed by the assembly of two half-shells represented in 3 and 4 in the figures.
  • This section 1 of driving is partitioned longitudinally to delimit, along an axial air passage connecting the air intake 2A and the outlet 2B of the driving section 1, at least one blind volume consisting of a resonance chamber 6.
  • This axial air passage is called the main section of conduit.
  • This axial passage can thus communicate, via at least one opening 7, with the volume one-eyed constituent of the resonance chamber 6 to establish a air communication between resonance chamber 6 and main section 5 of conduit.
  • each half-shell 3, 4 section 1 is partitioned using at least one partition 8, 9 longitudinal. This partition, represented in 8 for the half-shell 3 and in 9 for the half-shell 4, came from molding with the half-shell.
  • the bottom of the half-shell is constituted, seen in cross section, of a concave portion corresponding to the area used to delineate the portion of the main section 5 of ducts adjoined on each side by two bulges constituting the part of bottom of the chamber 6 delimited by means of said half-shell.
  • the realization of the bottom wall of each half-shell in the form of a lobed wall allows to increase the volume resonance chambers.
  • the resonance volume delimited by the partitions 8, 9 longitudinals opposite the half-shells 3, 4 is compartmentalized by through transverse walls 10, 11 transverse molded with each half-shell 3, 4.
  • These transverse walls, represented in 10 for the half-shell 3 and 11 for the half-shell 4, extend with their free edge 15, at least as far as the joint plane of the half-shells.
  • These walls transversal thus come by their free edge in bearing contact in the state assembled half-shells 3, 4 so as to delimit along the section 5 main driving a plurality of chambers 6 aligned resonator type of Helmholtz allowing broadband attenuation of noises.
  • each half-shell 3, or respectively 4 has two parallel longitudinal walls 8 or 9, respectively disposed on either side of the main driving section 5 so as to present two series of chambers 6 resonance characteristics identical or different acoustics. These 6 resonance chambers can thus present a growing volume from the air inlet 2A towards the 2B air outlet of said section 1 of pipe.
  • the spacing between the walls transverse 10 or respectively 11, on the one hand, the shape and the dimensions notches 14 of the longitudinal wall 8 or respectively 9 of the other part are chosen according to the frequency range of the noise to be attenuated.
  • the walls 10 and 11 of transverse partitioning of half-shells 3, 4 are respectively connected to the wall 8, 9 longitudinal, of said half-shell 3, 4, in the zone of said longitudinal wall 8, 9 extending between two notches 14, so as to form as many chambers 6 than notches 14.
  • the attenuation device noises include, on both sides of the main driving section, each time a series of five rooms, ie a total of ten rooms of resonance.
  • Each room in a series of rooms is sized differently, the chambers being identical from one series to another of the fact that the half-shells are, for reasons of simplification of the manufacture, made identical. Both sets of rooms are realized symmetrical with respect to the median longitudinal plane of the driving section.
  • each half-shell presents along its longitudinal edges a rim whose outer face is intended to come into bearing contact with the face external edge of the corresponding half-shell to form a plan seal 13 half-shells in the assembled state.
  • the edges 12, 15 free in bearing contact with longitudinal walls 8, 9 and transverse 10, 11 are assembled to one another in a sealed manner, preferably welded.
  • the delimited chambers 6 do not communicate with each other. It could also have been planned similar to making notches in the transverse walls 10, 11 of in order to ensure communication between the resonance chambers 6.
  • the section reduction to each of the ends of the section 1 of pipe to delimit end pieces connection to the rest of the air intake circuit makes it possible to delimit a shoulder zone.
  • the longitudinal walls 8, 9 of partitioning extend into the enlarged section of Section 1 of the driving to the right of said shoulder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Supercharger (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP04292929A 2003-12-17 2004-12-08 Luftansaugdämpfungsanlage, insbesondere für aufgeladene Brennkraftmaschinen oder Klimaanlage, und Ansaugkanal mit solch einer Anlage Expired - Lifetime EP1553284B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0314828 2003-12-17
FR0314828A FR2864168B1 (fr) 2003-12-17 2003-12-17 Dispositif d'attenuation des bruits sur un circuit d'admission d'air pour moteur a combustion interne ainsi que circuit d'admission d'air pour moteur equipe d'un tel dispositif d'attenuation des bruits

Publications (3)

Publication Number Publication Date
EP1553284A1 true EP1553284A1 (de) 2005-07-13
EP1553284B1 EP1553284B1 (de) 2011-02-16
EP1553284B8 EP1553284B8 (de) 2011-03-30

Family

ID=34586422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04292929A Expired - Lifetime EP1553284B8 (de) 2003-12-17 2004-12-08 Luftansaugdämpfungsanlage, insbesondere für aufgeladene Brennkraftmaschinen oder Klimaanlage, und Ansaugkanal mit solch einer Anlage

Country Status (4)

Country Link
EP (1) EP1553284B8 (de)
AT (1) ATE498771T1 (de)
DE (1) DE602004031404D1 (de)
FR (1) FR2864168B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1795733A1 (de) 2005-12-12 2007-06-13 Trelleborg Fluid & Acoustic Solutions (TFAS) Schalldämpfer zur Verringerung von Luftgeräuschen, insbesondre für interne Brennkraftmaschinen
CN103133194A (zh) * 2011-12-03 2013-06-05 通用汽车环球科技运作有限责任公司 具有可导入圆形管道的谐振器插入件的消音装置
US9145040B2 (en) 2012-02-23 2015-09-29 Ford Global Technologies, Llc Heat exchanger for an air conditioning system
DE202019106299U1 (de) * 2019-11-12 2021-02-15 Woco Industrietechnik Gmbh Luftzuführleitung zur Kopplung an einen Luftverbraucher in einem Kraftfahrzeug, Anordnung zur Luftzuführung und Verwendung einer Luftzuführleitung
CN114753950A (zh) * 2022-04-29 2022-07-15 平原滤清器有限公司 多腔体复合式降噪管路

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2945839B1 (fr) * 2009-05-20 2012-10-26 Mann & Hummel Gmbh Dispositif acoustique pour l'insonorisation de moteurs a combustion interne.
DE102010022780B4 (de) 2010-06-04 2014-02-13 Mann + Hummel Gmbh Breitbanddämpfer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5302783A (en) * 1992-12-21 1994-04-12 Abc Group Resonator
JPH10187162A (ja) * 1996-12-26 1998-07-14 Inoac Corp レゾネータ
DE19855708A1 (de) * 1998-12-03 2000-06-08 Dietrich Denker Rohrkammerdämpfer
DE10026355A1 (de) * 2000-05-27 2002-01-31 Mahle Filtersysteme Gmbh Schalldämpfende Luftleitung
JP2002138915A (ja) * 2000-10-31 2002-05-17 Inoac Corp 車両用吸気ダクト
JP2004011604A (ja) * 2002-06-11 2004-01-15 Denso Corp 内燃機関用吸気装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5302783A (en) * 1992-12-21 1994-04-12 Abc Group Resonator
JPH10187162A (ja) * 1996-12-26 1998-07-14 Inoac Corp レゾネータ
DE19855708A1 (de) * 1998-12-03 2000-06-08 Dietrich Denker Rohrkammerdämpfer
DE10026355A1 (de) * 2000-05-27 2002-01-31 Mahle Filtersysteme Gmbh Schalldämpfende Luftleitung
JP2002138915A (ja) * 2000-10-31 2002-05-17 Inoac Corp 車両用吸気ダクト
JP2004011604A (ja) * 2002-06-11 2004-01-15 Denso Corp 内燃機関用吸気装置

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 12 31 October 1998 (1998-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 09 4 September 2002 (2002-09-04) *
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1795733A1 (de) 2005-12-12 2007-06-13 Trelleborg Fluid & Acoustic Solutions (TFAS) Schalldämpfer zur Verringerung von Luftgeräuschen, insbesondre für interne Brennkraftmaschinen
FR2894644A1 (fr) 2005-12-12 2007-06-15 Trelleborg Fluid & Acoustic Solutions Tfas Dispositif d'attenuation des bruits d'un circuit de circulation d'air, notamment pour moteur a combustion interne
CN103133194A (zh) * 2011-12-03 2013-06-05 通用汽车环球科技运作有限责任公司 具有可导入圆形管道的谐振器插入件的消音装置
CN103133194B (zh) * 2011-12-03 2016-12-21 通用汽车环球科技运作有限责任公司 具有可导入圆形管道的谐振器插入件的消音装置
US9145040B2 (en) 2012-02-23 2015-09-29 Ford Global Technologies, Llc Heat exchanger for an air conditioning system
DE202019106299U1 (de) * 2019-11-12 2021-02-15 Woco Industrietechnik Gmbh Luftzuführleitung zur Kopplung an einen Luftverbraucher in einem Kraftfahrzeug, Anordnung zur Luftzuführung und Verwendung einer Luftzuführleitung
CN114753950A (zh) * 2022-04-29 2022-07-15 平原滤清器有限公司 多腔体复合式降噪管路

Also Published As

Publication number Publication date
FR2864168A1 (fr) 2005-06-24
EP1553284B8 (de) 2011-03-30
FR2864168B1 (fr) 2008-02-15
ATE498771T1 (de) 2011-03-15
DE602004031404D1 (de) 2011-03-31
EP1553284B1 (de) 2011-02-16

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