EP2412979B1 - Verdrängerpumpe mit Absaugnut - Google Patents
Verdrängerpumpe mit Absaugnut Download PDFInfo
- Publication number
- EP2412979B1 EP2412979B1 EP11173969.4A EP11173969A EP2412979B1 EP 2412979 B1 EP2412979 B1 EP 2412979B1 EP 11173969 A EP11173969 A EP 11173969A EP 2412979 B1 EP2412979 B1 EP 2412979B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- piston
- chamber
- pressure
- fluid
- 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.)
- Not-in-force
Links
Images
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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/185—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction
-
- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps 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
- F04C2/18—Rotary-piston machines or pumps 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 similar tooth forms
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
- F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11173969T PL2412979T3 (pl) | 2010-07-26 | 2011-07-14 | Pompa wyporowa z rowkiem wyciągowym |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010038430A DE102010038430B4 (de) | 2010-07-26 | 2010-07-26 | Verdrängerpumpe mit Absaugnut |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2412979A2 EP2412979A2 (de) | 2012-02-01 |
EP2412979A3 EP2412979A3 (de) | 2013-05-29 |
EP2412979B1 true EP2412979B1 (de) | 2017-08-30 |
Family
ID=44584010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11173969.4A Not-in-force EP2412979B1 (de) | 2010-07-26 | 2011-07-14 | Verdrängerpumpe mit Absaugnut |
Country Status (6)
Country | Link |
---|---|
US (1) | US8899951B2 (zh) |
EP (1) | EP2412979B1 (zh) |
CN (1) | CN102345600B (zh) |
DE (1) | DE102010038430B4 (zh) |
HU (1) | HUE036123T2 (zh) |
PL (1) | PL2412979T3 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011009221A1 (de) * | 2011-01-22 | 2012-07-26 | Volkswagen Ag | Zahnradpumpe |
WO2017092862A1 (de) * | 2015-12-04 | 2017-06-08 | Audi Ag | AUßENZAHNRADPUMPE |
US10113546B2 (en) | 2016-08-16 | 2018-10-30 | Caterpillar Inc. | Pump for an engine |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2526830A (en) * | 1945-06-22 | 1950-10-24 | Hpm Dev Corp | Variable delivery gear pump |
DE2506744A1 (de) * | 1975-02-18 | 1976-08-26 | Carl Dipl Kfm Kanis | Regelbare zahnradpumpen |
DE3528651A1 (de) * | 1985-08-09 | 1987-02-19 | Rohs Hans Guenther Prof Dr Ing | Zahnradpumpe |
CN1055795A (zh) * | 1990-04-15 | 1991-10-30 | 河北机电学院 | 变量齿轮式液压系统能量转换机构 |
CN2221117Y (zh) * | 1995-04-25 | 1996-02-28 | 丁万荣 | 变量齿轮式液压系统能量转换机构 |
DE10222131C5 (de) * | 2002-05-17 | 2011-08-11 | Schwäbische Hüttenwerke Automotive GmbH & Co. KG, 73433 | Verdrängerpumpe mit Fördervolumenverstellung |
AT413140B (de) | 2003-03-28 | 2005-11-15 | Tcg Unitech Ag | Zahnradpumpe |
DE102005029086B4 (de) * | 2005-06-23 | 2016-06-16 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Ölpumpe für eine Brennkraftmaschine |
DE102006018124A1 (de) * | 2006-04-19 | 2007-10-25 | Schwäbische Hüttenwerke Automotive GmbH & Co. KG | Verstellbare Rotationspumpe mit Verschleißminderung |
DE102007033146B4 (de) * | 2007-07-13 | 2012-02-02 | Schwäbische Hüttenwerke Automotive GmbH & Co. KG | Verstellventil für die Verstellung des Fördervolumens einer Verdrängerpumpe |
DE102008025346B4 (de) * | 2008-05-27 | 2019-01-17 | Audi Ag | Nutunterbrechung Regelkolben |
CN101571122B (zh) * | 2009-05-21 | 2010-11-17 | 叶立平 | 液压圆台齿轮泵 |
-
2010
- 2010-07-26 DE DE102010038430A patent/DE102010038430B4/de active Active
-
2011
- 2011-07-14 EP EP11173969.4A patent/EP2412979B1/de not_active Not-in-force
- 2011-07-14 PL PL11173969T patent/PL2412979T3/pl unknown
- 2011-07-14 HU HUE11173969A patent/HUE036123T2/hu unknown
- 2011-07-22 CN CN201110205851.6A patent/CN102345600B/zh active Active
- 2011-07-26 US US13/190,518 patent/US8899951B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
US8899951B2 (en) | 2014-12-02 |
EP2412979A2 (de) | 2012-02-01 |
US20120020825A1 (en) | 2012-01-26 |
DE102010038430A1 (de) | 2012-01-26 |
CN102345600A (zh) | 2012-02-08 |
EP2412979A3 (de) | 2013-05-29 |
CN102345600B (zh) | 2016-08-03 |
DE102010038430B4 (de) | 2012-12-06 |
HUE036123T2 (hu) | 2018-06-28 |
DE102010038430A8 (de) | 2012-03-29 |
PL2412979T3 (pl) | 2018-01-31 |
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