EP2331823A4 - Vacuum pump - Google Patents
Vacuum pumpInfo
- Publication number
- EP2331823A4 EP2331823A4 EP09814079A EP09814079A EP2331823A4 EP 2331823 A4 EP2331823 A4 EP 2331823A4 EP 09814079 A EP09814079 A EP 09814079A EP 09814079 A EP09814079 A EP 09814079A EP 2331823 A4 EP2331823 A4 EP 2331823A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum pump
- vacuum
- pump
- 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- Withdrawn
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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/065—Noise dampening volumes, e.g. muffler chambers
-
- 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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C18/3442—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the inlet and outlet opening
-
- 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/005—Axial sealings for working fluid
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
-
- 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
- F04C2220/00—Application
- F04C2220/10—Vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008102162880A CN101676563B (en) | 2008-09-20 | 2008-09-20 | Vacuum pump |
PCT/CN2009/074071 WO2010031359A1 (en) | 2008-09-20 | 2009-09-21 | Vacuum pump |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2331823A1 EP2331823A1 (en) | 2011-06-15 |
EP2331823A4 true EP2331823A4 (en) | 2012-04-04 |
Family
ID=42029239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09814079A Withdrawn EP2331823A4 (en) | 2008-09-20 | 2009-09-21 | Vacuum pump |
Country Status (4)
Country | Link |
---|---|
US (1) | US20110171041A1 (en) |
EP (1) | EP2331823A4 (en) |
CN (1) | CN101676563B (en) |
WO (1) | WO2010031359A1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE456383T1 (en) | 2006-09-28 | 2010-02-15 | Tyco Healthcare | PORTABLE WOUND THERAPY SYSTEM |
GB201015656D0 (en) | 2010-09-20 | 2010-10-27 | Smith & Nephew | Pressure control apparatus |
US9084845B2 (en) | 2011-11-02 | 2015-07-21 | Smith & Nephew Plc | Reduced pressure therapy apparatuses and methods of using same |
JP5939514B2 (en) * | 2012-01-27 | 2016-06-22 | 日信工業株式会社 | Negative pressure pump |
US9427505B2 (en) | 2012-05-15 | 2016-08-30 | Smith & Nephew Plc | Negative pressure wound therapy apparatus |
CN102878080A (en) * | 2012-10-30 | 2013-01-16 | 东风汽车公司 | Electric vacuum pump |
CN102943759A (en) * | 2012-11-13 | 2013-02-27 | 吉林东光奥威汽车制动系统有限公司 | Electric vacuum pump |
CN104813032B (en) * | 2012-11-19 | 2016-11-23 | 麦格纳动力系巴德霍姆堡有限责任公司 | Motor vehicles vacuum pump |
CN104968943B (en) | 2012-11-19 | 2017-07-04 | 麦格纳动力系巴德霍姆堡有限责任公司 | Motor vehicles vavuum pump |
DE102014207023B3 (en) * | 2014-04-11 | 2015-07-30 | Magna Powertrain Hückeswagen GmbH | Automotive vacuum pump with gluing |
CA2971796C (en) | 2014-12-22 | 2023-05-16 | Smith & Nephew Plc | Negative pressure wound therapy apparatus and methods |
DE102015118111A1 (en) | 2015-10-23 | 2017-04-27 | Hella Kgaa Hueck & Co. | Electric vacuum pump, in particular for mounting in a vehicle |
CN105822550B (en) * | 2016-05-19 | 2020-03-24 | 上海华培动力科技股份有限公司 | Electronic vacuum pump for automobile brake boosting |
WO2017220141A1 (en) | 2016-06-22 | 2017-12-28 | Pierburg Pump Technology Gmbh | Motor vehicle vacuum pump arrangement |
CN110546386B (en) * | 2017-04-28 | 2021-07-13 | 株式会社三国 | Vane pump |
WO2018198368A1 (en) * | 2017-04-28 | 2018-11-01 | 株式会社ミクニ | Vane pump |
CN110410325A (en) * | 2018-04-28 | 2019-11-05 | 上海海拉电子有限公司 | A kind of vacuum pump for vehicle and the vehicle with the vacuum pump |
CN108857276A (en) * | 2018-06-28 | 2018-11-23 | 安徽恒均粉末冶金科技股份有限公司 | Drive sleeve and its manufacturing method |
CN109281833A (en) * | 2018-11-22 | 2019-01-29 | 上海拓绅汽车电子有限公司 | A kind of rotary vane type electric vacuum pump |
JP2021076078A (en) * | 2019-11-11 | 2021-05-20 | 株式会社ミクニ | pump |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4580949A (en) * | 1984-03-21 | 1986-04-08 | Matsushita Electric Industrial Co., Ltd. | Sliding vane type rotary compressor |
DE4007371A1 (en) * | 1989-03-09 | 1990-09-13 | Brasil Compressores Sa | Outlet valve for rotary piston compressor |
DE4239575A1 (en) * | 1992-11-25 | 1994-05-26 | Hella Kg Hueck & Co | Sound absorber for pneumatic pump - is separate from pump and connected to it via snap connection and guide pins and bores |
JPH11210660A (en) * | 1998-01-29 | 1999-08-03 | Mitsubishi Electric Corp | Scroll compressor |
US6491505B1 (en) * | 1999-08-04 | 2002-12-10 | Hella Kg Hueck & Co. | Electric air-pump apparatus for motor vehicles |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3829248A (en) * | 1973-01-04 | 1974-08-13 | Little Giant Corp | Utility pump |
US4123201A (en) * | 1973-09-04 | 1978-10-31 | Central Scientific Company, Inc. | Modular vacuum pump assembly |
JPS5395730A (en) * | 1977-02-01 | 1978-08-22 | Toshiba Corp | Golf training machine |
US4913597A (en) * | 1987-08-12 | 1990-04-03 | Christianson Systems, Inc. | Silencer for pneumatic grain conveyor |
US4820140A (en) * | 1987-10-26 | 1989-04-11 | Sigma-Tek, Inc. | Self-lubricating rotary vane pump |
US5401150A (en) * | 1994-02-28 | 1995-03-28 | General Signal Corporation | Noise reduced liquid sealed compressor |
US6325602B1 (en) * | 1999-09-23 | 2001-12-04 | John J. Rademacher | Automotive vacuum pump |
US6790019B1 (en) * | 2003-02-28 | 2004-09-14 | Thomas Industries Inc. | Rotary vane pump with multiple sound dampened inlet ports |
KR100531281B1 (en) * | 2003-05-13 | 2005-11-28 | 엘지전자 주식회사 | rotary compressor |
US7189068B2 (en) * | 2003-09-19 | 2007-03-13 | Gast Manufacturing, Inc. | Sound reduced rotary vane compressor |
DE102006058977B4 (en) * | 2006-12-14 | 2016-03-31 | Hella Kgaa Hueck & Co. | Vane pump |
DE102006058978A1 (en) * | 2006-12-14 | 2008-06-19 | Hella Kgaa Hueck & Co. | Vane pump, for motor vehicles, has a structured base plate and/or cover plate at the pump chamber to prevent snagging by the rotor impellers |
DE102006058980B4 (en) * | 2006-12-14 | 2016-08-04 | Hella Kgaa Hueck & Co. | Vane pump |
DE102006058979A1 (en) * | 2006-12-14 | 2008-06-19 | Hella Kgaa Hueck & Co. | Vane pump, for a motor vehicle, has guide slits at the rotor extending inwards from the circumference to take sliding impellers |
CN201269192Y (en) * | 2008-09-20 | 2009-07-08 | 比亚迪股份有限公司 | Vacuum pump |
-
2008
- 2008-09-20 CN CN2008102162880A patent/CN101676563B/en active Active
-
2009
- 2009-09-21 WO PCT/CN2009/074071 patent/WO2010031359A1/en active Application Filing
- 2009-09-21 US US13/119,931 patent/US20110171041A1/en not_active Abandoned
- 2009-09-21 EP EP09814079A patent/EP2331823A4/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4580949A (en) * | 1984-03-21 | 1986-04-08 | Matsushita Electric Industrial Co., Ltd. | Sliding vane type rotary compressor |
DE4007371A1 (en) * | 1989-03-09 | 1990-09-13 | Brasil Compressores Sa | Outlet valve for rotary piston compressor |
DE4239575A1 (en) * | 1992-11-25 | 1994-05-26 | Hella Kg Hueck & Co | Sound absorber for pneumatic pump - is separate from pump and connected to it via snap connection and guide pins and bores |
JPH11210660A (en) * | 1998-01-29 | 1999-08-03 | Mitsubishi Electric Corp | Scroll compressor |
US6491505B1 (en) * | 1999-08-04 | 2002-12-10 | Hella Kg Hueck & Co. | Electric air-pump apparatus for motor vehicles |
Also Published As
Publication number | Publication date |
---|---|
CN101676563A (en) | 2010-03-24 |
US20110171041A1 (en) | 2011-07-14 |
EP2331823A1 (en) | 2011-06-15 |
CN101676563B (en) | 2011-07-20 |
WO2010031359A1 (en) | 2010-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
17P | Request for examination filed |
Effective date: 20110321 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): 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 SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA RS |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20120305 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04C 27/00 20060101ALI20120228BHEP Ipc: F04C 18/344 20060101ALI20120228BHEP Ipc: F04C 27/02 20060101ALI20120228BHEP Ipc: F04C 25/02 20060101ALI20120228BHEP Ipc: F04C 29/04 20060101ALI20120228BHEP Ipc: F04C 29/06 20060101AFI20120228BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20150415 |