EP2276929A2 - Ventilplatte für einen kompressor und verfahren zur kühlung komprimierter luft in einer ventilplatte eines kompressors - Google Patents
Ventilplatte für einen kompressor und verfahren zur kühlung komprimierter luft in einer ventilplatte eines kompressorsInfo
- Publication number
- EP2276929A2 EP2276929A2 EP09731035A EP09731035A EP2276929A2 EP 2276929 A2 EP2276929 A2 EP 2276929A2 EP 09731035 A EP09731035 A EP 09731035A EP 09731035 A EP09731035 A EP 09731035A EP 2276929 A2 EP2276929 A2 EP 2276929A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve plate
- compressor
- air
- compressed air
- valve
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000002826 coolant Substances 0.000 claims abstract description 35
- 239000003570 air Substances 0.000 description 67
- 238000004781 supercooling Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1066—Valve plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
Definitions
- the invention relates to a valve plate with a coolant channel for a compressor for compressed air generation.
- the invention further relates to a method for cooling compressed air in a valve plate of a compressor, wherein the valve plate comprises a coolant channel.
- Modern commercial vehicles which are used in rail or road traffic, are equipped with many compressed air consuming subsystems. These subsystems include, for example, a service brake operated by compressed air and air suspension.
- the supply of compressed air consumers with compressed air is realized by means of a compressed air supply device comprising a compressor. Ambient air is drawn in by the compressor, compressed and purified in other components of the compressed air supply device prior to use in the consumers of foreign matter such as oil and water.
- the air is deprived of the humidity in an air filter cartridge downstream of the compressor.
- This air filter cartridge contains a drying agent that can extract moisture from the air only up to a maximum of 80 ° C. Therefore, a lower maximum allowable temperature of 60 ° C. is normally specified to allow effective drying.
- the compressed air reaches at the initial opening of the piston chamber temperatures of up to 320 0 C. At the output of the compressor itself, there can be up to even 220 0 C. This results in the need to cool the air between the compressor and the air filter cartridge.
- a pressure line with several meters in length is used in the prior art, wherein the heated compressed air can cool during the passage of the pressure line from the compressor to the air filter cartridge without further cooling measures.
- the disadvantage here is the pressure loss due to the long line and the structural complexity caused by the pressure line itself.
- a so-called supercooling plate is inserted in the cylinder head of the compressor above the valve plate, which is flowed through by a coolant and acts as a heat exchanger. Through them it is possible to reduce the outlet temperature of the compressed air to 140 to 150 0 C at the compressor outlet and the subsequent pressure shortening the line by 5 to 30%.
- An example of such a supercooling plate can be found in DE 195 35 079 C2.
- the disadvantage here is in particular the complex construction resulting from the integration of the supercooling plate as a separate component in the cylinder head of the compressor, as this additional seals are necessary.
- the object of the invention is to provide a valve plate which, without a supercooling plate, provides at least the same cooling performance in comparison with a combination of a conventional valve plate and a supercooling plate.
- the invention builds on the generic valve plate by the fact that the coolant channel, as seen from a piston chamber of the compressor, runs at least partially between the piston chamber and an air outlet valve arranged in the valve plate.
- the coolant channel As seen from a piston chamber of the compressor, runs at least partially between the piston chamber and an air outlet valve arranged in the valve plate.
- the coolant channel runs at least partially meander-shaped in a bottom of the valve plate. Due to the meandering course of the coolant channel in the bottom of the valve plate, the contact surface of the coolant channel is increased with the valve plate, whereby a higher cooling capacity can be provided.
- an air duct runs meandering in a body of the valve plate.
- the meandering course of the air duct increases the achievable cooling capacity, since the contact surface of the medium to be cooled is increased with the cooled valve plate.
- a plurality of air outlet valves are arranged in a body of the valve plate.
- the simultaneous use of several air outlet valves reduces throttling losses caused by a limited valve cross-section.
- the heat development at the air outlet valves is also reduced.
- the invention further relates to a compressor with a valve plate according to the invention.
- the generic method is further developed by the refrigerant being directed at least partially between the piston chamber and an air outlet valve arranged in the valve plate, viewed from a piston chamber of a compressor.
- the advantages and peculiarities of the inventive valve plate are also implemented in the context of a method. This also applies to the following particularly preferred embodiments of the method according to the invention.
- the compressed air is passed meander-shaped in a body of the valve plate.
- the compressed air flows through a plurality of air outlet valves in a body of the valve plate.
- Figure 1 is an external view of a compressor with cut open piston housing
- Figure 2 is an exploded view of a valve plate according to the invention.
- FIG. 3 shows a plan view of a bottom of a valve plate according to the invention
- Figure 4 is a plan view of a body of a valve plate according to the invention.
- FIG. 1 shows an external view of a compressor with a cut-open piston housing.
- the illustrated compressor 14 comprises a cylinder head 16 and a piston housing 18, wherein a valve plate 10 is arranged between the piston housing 18 and the cylinder head 16.
- the compressor is driven via a shaft 26.
- the piston housing 18 is cut open in the vicinity of the valve plate 10 so that a piston chamber 40 is visible. Inside the piston chamber 40, a piston, which is not visible in the illustration, moves up and down.
- FIG. 2 shows an exploded view of a valve plate according to the invention.
- a coolant channel 20 is inserted, which extends meandering within the bottom 28. Towards the top, the coolant channel 20 is delimited by the body 30. Furthermore, an air inlet valve 36 in the central region of the bottom 28 is visible. In the body 30, two air outlet valves 22, 24 are arranged, via which the compressed air flows into the valve plate 10. The coolant channel 20 conceals a portion of the air outlet valves 22, 24, viewed from the floor 28 to the body 30. The compressed air can finally leave the valve plate 10 again through an air outlet 38 in the cover 34 of the valve plate 10.
- FIG. 3 shows a plan view of a bottom of a valve plate according to the invention.
- the illustrated bottom 28 with the meandering coolant channel 20 has a plurality of holes through which air can pass through the bottom 28.
- an air inlet 46 is arranged, which belongs to the air inlet valve 36, not shown here.
- the coolant channel 20 flows around two piston chamber air outlets 48, which belong to the air outlet valves 22, 24 (not shown here).
- the arrows drawn in the coolant channel 20 represent an exemplary direction of flow of the coolant within the bottom 28
- the piston chamber air outlets 48, together with membranes, not shown here, form the air outlet valves 22, 24, the membranes being partially obscured by the coolant channel 20, as can be seen from FIG. 2, viewed from the piston chamber 40. This is especially true when the line of sight is perpendicular to the plane of the valve plate.
- Figure 4 shows a plan view of a body of a valve plate according to the invention.
- the illustrated body 30 has an air guide 12 in which the air flowing in through the piston chamber air outlets 48 is directed to an air outlet 38.
- the Kolbenraum povertyauslässe 48 are, as well as the air inlet 46, holes through the body 30.
- the air outlet 38 is no hole in the body 30 but as a bore in the cover 34, not shown here, the valve plate available.
- the air guide 12 serves to guide the compressed air from the Kolbenraumluftauslässen 48 to the air outlet 38.
- a coolant inlet 42 and a coolant outlet 44 are shown, through which the coolant circulate through the coolant passage 20 shown in Figure 3 can.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008018467.5A DE102008018467B4 (de) | 2008-04-11 | 2008-04-11 | Ventilplatte für einen Kompressor und Verfahren zur Kühlung komprimierter Luft in einer Ventilplatte eines Kompressors |
PCT/EP2009/002167 WO2009124659A2 (de) | 2008-04-11 | 2009-03-25 | Ventilplatte für einen kompressor und verfahren zur kühlung komprimierter luft in einer ventilplatte eines kompressors |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2276929A2 true EP2276929A2 (de) | 2011-01-26 |
EP2276929B1 EP2276929B1 (de) | 2018-10-17 |
Family
ID=41060592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09731035.3A Active EP2276929B1 (de) | 2008-04-11 | 2009-03-25 | Ventilplatte für einen kompressor und verfahren zur kühlung komprimierter luft in einer ventilplatte eines kompressors |
Country Status (7)
Country | Link |
---|---|
US (1) | US8337177B2 (de) |
EP (1) | EP2276929B1 (de) |
JP (1) | JP5679962B2 (de) |
CN (1) | CN101952591B (de) |
BR (1) | BRPI0909010B1 (de) |
DE (1) | DE102008018467B4 (de) |
WO (1) | WO2009124659A2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT509081B1 (de) * | 2010-04-08 | 2011-06-15 | Hoerbiger Kompressortech Hold | Hohle ventilplatte |
CN102233508A (zh) * | 2010-05-04 | 2011-11-09 | 湖北兴升科技发展有限公司 | 水冷式空压机阀板的加工方法 |
CN102562534A (zh) * | 2012-01-16 | 2012-07-11 | 张家港市金腾化工机械制造有限公司 | 冷冻机压缩机的冷却系统 |
CN102562533A (zh) * | 2012-01-16 | 2012-07-11 | 张家港市金腾化工机械制造有限公司 | 冷冻机压缩机的冷却装置 |
AT512407B1 (de) * | 2012-09-14 | 2013-08-15 | Hoerbiger Kompressortech Hold | Hohle Ventilplatte |
CN103256207B (zh) * | 2013-04-19 | 2016-03-09 | 广州万宝集团压缩机有限公司 | 一种活塞式制冷压缩机及其汽缸头组件和阀板 |
CN103244384B (zh) * | 2013-04-19 | 2015-10-07 | 广州万宝集团压缩机有限公司 | 一种活塞式制冷压缩机及其汽缸头组件和隔热板 |
DE102013007179A1 (de) * | 2013-04-25 | 2014-10-30 | Man Truck & Bus Ag | Kraftfahrzeug-Druckluftsystem |
US9657733B2 (en) * | 2013-12-16 | 2017-05-23 | Wabco Compressor Manufacturing Co. | Compressor for a vehicle air supply system |
US20150219083A1 (en) * | 2014-02-06 | 2015-08-06 | Bendix Commercial Vehicle Systems Llc | Vehicle Air Compressor Apparatus for a Heavy Vehicle Air Braking System |
DE102014111527B4 (de) * | 2014-08-13 | 2018-05-09 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Zylinderkopf für einen Kompressor mit besonders effizienter Luftkühlung |
US20160053891A1 (en) * | 2014-08-19 | 2016-02-25 | Bendix Commercial Vehicle Systems Llc | Compressor head and gasket for same |
US10125756B2 (en) * | 2014-12-22 | 2018-11-13 | Bendix Commercial Vehicle Systems Llc | System and method for reducing at least one of airflow turbulence and pressure fluctuation proximate a valve |
DE102015225069B4 (de) * | 2015-12-14 | 2017-11-30 | Voith Patent Gmbh | Zylinderkopf für mehrstufigen Kolbenverdichter |
US10480499B2 (en) | 2016-02-01 | 2019-11-19 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Crankcase assembly for a reciprocating machine |
DE102017116870B3 (de) * | 2017-07-21 | 2019-01-24 | Voith Patent Gmbh | Hubkolbenmaschine mit Kühleinrichtung |
DE102019118653A1 (de) * | 2019-07-10 | 2021-01-14 | Wabco Europe Bvba | Kolbenkompressor einer Druckluftversorgungsanlage in Kraftfahrzeugen |
MX2022009963A (es) * | 2020-02-14 | 2022-09-19 | Nidec Global Appliance Brasil Ltda | Disposicion de cabezal de compresor alternativo. |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE866712C (de) * | 1943-12-16 | 1953-02-12 | Bosch Gmbh Robert | Ventilsitzplatte fuer Verdichter oder Pumpen |
US2449408A (en) | 1945-09-13 | 1948-09-14 | Ingersoll Rand Co | Compressor |
JPS5419956B1 (de) | 1971-07-13 | 1979-07-19 | ||
US3823735A (en) * | 1971-11-11 | 1974-07-16 | Frenkel Mark Isaakovich | Uniflow valve |
DE2410705A1 (de) | 1974-03-06 | 1975-09-18 | Knorr Bremse Gmbh | Kompressor |
JPS60139088U (ja) * | 1984-02-25 | 1985-09-13 | 株式会社ボッシュオートモーティブ システム | エアコンプレツサ |
JPS6316874Y2 (de) * | 1986-02-27 | 1988-05-13 | ||
JP2945179B2 (ja) * | 1991-07-20 | 1999-09-06 | トキコ株式会社 | 往復動圧縮機 |
DE4131886C2 (de) | 1991-09-25 | 1994-12-15 | Daimler Benz Ag | Ventilplatte eines Kompressors |
DE19535079C2 (de) | 1994-10-13 | 2001-02-22 | Wabco Gmbh & Co Ohg | Verdichter |
GB2329681A (en) | 1997-07-26 | 1999-03-31 | Knorr Bremse Systeme | Cooling of compressed gas in a gas compressor |
US6116874A (en) | 1997-07-26 | 2000-09-12 | Knorr-Bremse Systems For Commercial Vehicles Limited | Gas compressors |
JPH11218079A (ja) * | 1998-01-30 | 1999-08-10 | Sanwa Seiki Co Ltd | エアコンプレッサ |
KR100494527B1 (ko) * | 2002-11-06 | 2005-06-10 | 삼성광주전자 주식회사 | 밀폐형 압축기의 실린더 조립체 |
CN2641319Y (zh) * | 2003-04-22 | 2004-09-15 | 张海泉 | 空气压缩机冷却系统 |
US20070081910A1 (en) * | 2005-10-07 | 2007-04-12 | American Standard International Inc. | Compressor valve plate with spiral groove |
CN2931849Y (zh) * | 2006-04-12 | 2007-08-08 | 中国第一汽车集团公司 | 一种空气压缩机冷却系统 |
-
2008
- 2008-04-11 DE DE102008018467.5A patent/DE102008018467B4/de active Active
-
2009
- 2009-03-25 BR BRPI0909010-0A patent/BRPI0909010B1/pt active IP Right Grant
- 2009-03-25 JP JP2011503358A patent/JP5679962B2/ja not_active Expired - Fee Related
- 2009-03-25 EP EP09731035.3A patent/EP2276929B1/de active Active
- 2009-03-25 WO PCT/EP2009/002167 patent/WO2009124659A2/de active Application Filing
- 2009-03-25 CN CN200980106213XA patent/CN101952591B/zh active Active
-
2010
- 2010-09-30 US US12/894,774 patent/US8337177B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2009124659A2 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0909010A2 (pt) | 2015-09-22 |
WO2009124659A3 (de) | 2009-12-03 |
EP2276929B1 (de) | 2018-10-17 |
DE102008018467A1 (de) | 2009-10-15 |
US20110070101A1 (en) | 2011-03-24 |
CN101952591B (zh) | 2013-06-12 |
CN101952591A (zh) | 2011-01-19 |
WO2009124659A2 (de) | 2009-10-15 |
BRPI0909010B1 (pt) | 2019-11-12 |
US8337177B2 (en) | 2012-12-25 |
JP5679962B2 (ja) | 2015-03-04 |
DE102008018467B4 (de) | 2021-11-11 |
JP2011516782A (ja) | 2011-05-26 |
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