EP3516220A1 - Ensemble pour un compresseur à vis d'un véhicule utilitaire - Google Patents

Ensemble pour un compresseur à vis d'un véhicule utilitaire

Info

Publication number
EP3516220A1
EP3516220A1 EP17771733.7A EP17771733A EP3516220A1 EP 3516220 A1 EP3516220 A1 EP 3516220A1 EP 17771733 A EP17771733 A EP 17771733A EP 3516220 A1 EP3516220 A1 EP 3516220A1
Authority
EP
European Patent Office
Prior art keywords
baffle
housing
screw compressor
oil
baffle plate
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.)
Withdrawn
Application number
EP17771733.7A
Other languages
German (de)
English (en)
Inventor
Gilles Hebrard
Jean-Baptiste Marescot
Jörg MELLAR
Thomas Weinhold
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.)
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
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 Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Publication of EP3516220A1 publication Critical patent/EP3516220A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00—Fluid
    • F04C2210/14—Lubricant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/809—Lubricant sump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/026—Lubricant separation

Definitions

  • the present invention relates to an arrangement for a screw compressor of a commercial vehicle comprising at least one housing component of the vehicle
  • Screw compressors for commercial vehicles are already known from the prior art. Such screw compressors are used to provide the necessary compressed air for, for example, the braking system of the commercial vehicle.
  • the oil cooler is here
  • Heat exchanger having two separate circuits, wherein the first circuit for the hot liquid, so the compressor oil is provided and the second for the cooling liquid.
  • a coolant for example, air
  • Water mixtures can be used with an antifreeze or other oil.
  • This oil cooler must then be connected to the compressor oil circuit via pipes or hoses and the oil circuit must be secured against leakage.
  • DE 37 17 493 AI discloses a arranged in a compact housing screw compressor system having an oil cooler on the electric motor of the screw compressor.
  • a generic screw compressor is already known, for example, from DE 10 2004 060 417 B4
  • Screw compressor can be simplified and improved overall.
  • an arrangement for a screw compressor of a commercial vehicle comprises at least one housing component of the screw compressor and a Schwaliblech, wherein the baffle is inserted clamped in the assembled state held in the housing component.
  • the invention is based on the idea that the attachment of the
  • Baffles in the housing component of the screw compressor is accomplished easily and reliably. This is done in particular by the fact that the baffle plate is clamped in the housing. A mere insertion of the baffle plate in the housing component is sufficient to allow a secure attachment. In addition, it is conceivable that the housing component at least three
  • the baffle plate has at least three fingers that in the assembled state of the arrangement in each of the respective finger associated
  • the baffle plate is thus clamped in the housing member and can be kept safe there due to the force exerted by the shape and arrangement of Schwallblechmethodaus fundamentalungen bending force after insertion into it. Falling out is thereby reliably prevented.
  • the housing component is the rotor housing of the screw compressor.
  • the baffle plate below the rotors (based on the mounted state) is arranged.
  • the housing component is the housing cover of the screw compressor.
  • a first housing component of the housing such as the housing cover
  • an attachment in another housing component of the housing of the screw compressor is no longer required.
  • this circumstance also applies analogously to an arrangement of the baffle plate as well as an attachment of the baffle plate in the rotor housing.
  • baffle plate must be bent centrally and then use can be done comparatively easily.
  • the fingers of the baffle can in unused and unassembled
  • Fig. 1 is a schematic sectional view through an inventive
  • Screw compressor Fig. 2 is a perspective view of the rotor housing of
  • FIG. 3 is a perspective view of the baffle plate according to FIG. 2, and FIG. 4 is a detailed plan view of the baffle plate receiving recesses in FIG.
  • Rotor housing according to the embodiment of FIG. 2.
  • Fig. 1 shows a schematic sectional view eioen screw compressor 10 in the sense of an embodiment of the present invention.
  • the screw compressor 10 has a mounting flange 12 for mechanical attachment of the screw compressor 10 to a not shown here
  • the screw 18 meshes with the screw 16 and is driven via this.
  • the screw compressor 10 has a housing 20 in which the essential components of the screw compressor 10 are housed.
  • the housing 20 is filled with oil 22.
  • Air inlet side, a Einutzen 24 is provided on the housing 20 of the screw compressor 10.
  • the inlet nozzle 24 is designed such that an air filter 26 is arranged on it.
  • an air inlet 28 is provided radially on the air inlet pipe 24.
  • a spring-loaded valve core 30 is provided, designed here as an axial seal.
  • This valve insert 30 serves as a check valve
  • an air supply channel 32 Downstream of the valve core 30, an air supply channel 32 is provided, which supplies the air to the two screws 16, 18.
  • a temperature sensor 38 is provided, by means of which the oil temperature can be monitored.
  • a holder 40 for an air de-oiling element 42 is provided in the air outlet area.
  • the holder 40 for the air de-oiling element has in the assembled state in the area facing the bottom (as shown in Fig. 1), the air de-oiling element 42.
  • the holder for the air de-oiling element 40 has a
  • the check valve 48 and the minimum pressure valve 50 may also be formed in a common, combined valve.
  • the air outlet 51 is connected to corresponding known Druckluflchairern in the rule.
  • a riser 52 is provided, the outlet of the holder 40 for the air de-oiling element 42 when passing into the housing 20 a filter and
  • a nozzle 56 Downstream of the filter and check valve 54, a nozzle 56 is provided in a housing bore.
  • the oil return line 58 leads back approximately in the middle
  • an oil drain plug 59 is provided, the upper oil drain plug 59 can
  • thermostatic valve 66 instead of the thermostatic valve 66, a control and / or
  • Regulation means may be provided, by means of which the oil temperature of the oil 22 located in the housing 20 can be monitored and adjusted to a desired value.
  • the cooler 74 is connected to the projection 80, as will be explained in more detail below in FIGS. 2 to 4.
  • a safety valve 76 In the upper region of the housing 20 (relative to the mounted state) there is a safety valve 76, via which an excessive pressure in the housing 20 can be reduced.
  • connection with the air supply 32 is controlled, air can be returned to the region of the air inlet 28.
  • a vent valve not shown in detail and also a nozzle (diameter reduction of the feeding line) may be provided.
  • an oil level sensor 82 may be provided.
  • This oil level sensor 82 may be, for example, an optical sensor and arranged and configured so that it can be detected by the sensor signal, whether the oil level is above the oil level sensor 82 in operation or if the oil level sensor 82 is exposed and thereby the oil level has fallen accordingly.
  • an alarm unit can also be provided which outputs or forwards an appropriate error message or warning message to the user of the system.
  • the function of the screw compressor 10 shown in FIG. 1 is as follows:
  • Air is supplied via the air inlet 28 and passes through the check valve 30 to the screws 16, 18, where the air is compressed.
  • the compressed air-oil mixture with a factor between 5 to 16 times compression after the Screws 16 and 18 rising through the outlet 34 via the riser 36 is blown directly onto the temperature sensor 38.
  • the air which still partly carries oil particles, is then guided via the holder 40 into the air de-oiling element 42 and, provided the corresponding minimum pressure is reached, enters the air outlet line 51.
  • the oil 22 located in the housing 20 is maintained above the oil filter 62 and possibly via the heat exchanger 74 to operating temperature.
  • the heat exchanger 74 is not used and is not switched on.
  • Screw 16 but also fed to the bearing 72.
  • the screw 16 or the screw 18 is supplied via the return line 52, 58 with oil 22, here is the purification of the oil 22 in Luftentölelement 42.
  • Upper the unspecified electric motor which transmits its torque via the shaft 14 to the screw 16, which in turn meshes with the shaft 18, the screws 18 and 18 of the screw compressor 10 are driven.
  • the relief valve 80 ensures that the high pressure that prevails in the operating state, for example on the output side of the screws 16, 18, can not be locked in, but that, in particular, when the compressor starts up in the region of the supply line 32 a low inlet pressure, in particular atmospheric pressure exists. Otherwise, with a start-up of the compressor, a very high pressure would initially arise on the output side of the screws 16 and 18, which would overload the drive motor.
  • Fig. 2 shows a perspective view of the arrangement for the screw compressor 10 of the commercial vehicle with the at least one housing component, here the
  • Housing cover of the screw compressor 10 can be used.
  • baffle 100 is bent in such a way by insertion into the rotor housing 20 a that the
  • the baffle 100 on one side fingers 102 are arranged, namely three fingers 102nd
  • the rotor housing 20a has three
  • the Schwallblechingausappel aus 104 are arranged such that the two outer Schwallblechageausappel aus 104 form a line and the third Schwallblechageausappelung 104 is arranged offset thereto.
  • the three baffle plate receiving recesses 104 are thus not aligned.
  • the middle one of the three baffle receiving recesses 104 is outside the imaginary line, the other two
  • Schwallblechmethodaus Principleungen 104 connects, arranged.
  • Baffle 100 is bent by its rigidity on the one hand, but also held self-locking, as the continued exerted bending force and the arrangement of the fingers 102 ensures that the baffle 100 clamped in the rotor housing 20a with its fingers 102 in the Schwallblechmethodausappel aus fundamentalungen 104 of the rotor housing 20a clamped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)

Abstract

L'invention concerne un ensemble pour un compresseur à vis (10) d'un véhicule utilitaire, comprenant au moins un élément formant carter du compresseur à vis (10) ainsi qu'une chicane (100), l'élément formant carter comportant au moins trois évidements de réception de chicane (104), au moins un évidement de réception de chicane (104) étant situé à l'extérieur d'une ligne imaginaire qui relie les deux autres évidements de réception de chicane (104), et la chicane (100) comportant au moins trois doigts (102) qui, lorsque ledit ensemble est à l'état monté, sont chacun insérés dans un évidement de réception de chicane (104) associé au doigt (102) concerné.
EP17771733.7A 2016-09-21 2017-09-19 Ensemble pour un compresseur à vis d'un véhicule utilitaire Withdrawn EP3516220A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016011444.4A DE102016011444A1 (de) 2016-09-21 2016-09-21 Anordnung für einen Schraubenkompressor eines Nutzfahrzeugs
PCT/EP2017/073576 WO2018054876A1 (fr) 2016-09-21 2017-09-19 Ensemble pour un compresseur à vis d'un véhicule utilitaire

Publications (1)

Publication Number Publication Date
EP3516220A1 true EP3516220A1 (fr) 2019-07-31

Family

ID=59930348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17771733.7A Withdrawn EP3516220A1 (fr) 2016-09-21 2017-09-19 Ensemble pour un compresseur à vis d'un véhicule utilitaire

Country Status (8)

Country Link
US (1) US20190211821A1 (fr)
EP (1) EP3516220A1 (fr)
JP (1) JP2019532223A (fr)
KR (1) KR20190049862A (fr)
CN (1) CN109937302B (fr)
BR (1) BR112019005101A2 (fr)
DE (1) DE102016011444A1 (fr)
WO (1) WO2018054876A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1030225B1 (nl) * 2022-01-27 2023-08-28 Atlas Copco Airpower Nv Olie-geïnjecteerde compressorinrichting
TWI907059B (zh) * 2024-07-09 2025-12-01 中國商復盛實業（上海）有限公司 機殼及螺桿壓縮機

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59176490A (ja) * 1983-03-24 1984-10-05 Toyoda Autom Loom Works Ltd スクリユ−圧縮機
US4748873A (en) 1986-05-23 1988-06-07 Raymond Engineering Inc. Power wrench
US4792288A (en) * 1986-11-28 1988-12-20 Siemens Aktiengesellschaft Encapsulated compressor
US4780061A (en) 1987-08-06 1988-10-25 American Standard Inc. Screw compressor with integral oil cooling
JPH0326879A (ja) * 1989-06-23 1991-02-05 Daikin Ind Ltd 圧縮機の油分離器
JPH1037870A (ja) * 1996-07-25 1998-02-13 Mitsubishi Electric Corp スクロール圧縮機
KR100318418B1 (ko) * 1999-12-30 2001-12-22 신영주 압축기 내장형 오일분리기
US6705270B1 (en) 2000-04-26 2004-03-16 Basf Corporation Oil pan module for internal combustion engines
JP4106280B2 (ja) * 2002-09-30 2008-06-25 北越工業株式会社 液冷式圧縮機の気液分離装置
DE102004060417B4 (de) 2004-12-14 2006-10-26 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompakter Schraubenkompressor zum mobilen Einsatz in einem Fahrzeug
JP5313860B2 (ja) * 2009-12-22 2013-10-09 株式会社神戸製鋼所 スクリュー圧縮機
DE102010015147A1 (de) 2010-04-16 2011-10-20 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Ölschwappdämpfungseinrichtung für einen Schraubenverdichter
CN104214096B (zh) * 2014-08-15 2017-04-12 珠海格力电器股份有限公司 螺杆压缩机及其油分桶部件
DE202016100437U1 (de) 2016-01-29 2016-05-02 Borgward Trademark Holdings Gmbh Motorölprallplatte und Motor

Also Published As

Publication number Publication date
KR20190049862A (ko) 2019-05-09
WO2018054876A1 (fr) 2018-03-29
DE102016011444A1 (de) 2018-03-22
CN109937302A (zh) 2019-06-25
JP2019532223A (ja) 2019-11-07
CN109937302B (zh) 2020-09-29
BR112019005101A2 (pt) 2019-06-04
US20190211821A1 (en) 2019-07-11

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