EP0964159A3 - Gerotor pump - Google Patents
Gerotor pump Download PDFInfo
- Publication number
- EP0964159A3 EP0964159A3 EP99110645A EP99110645A EP0964159A3 EP 0964159 A3 EP0964159 A3 EP 0964159A3 EP 99110645 A EP99110645 A EP 99110645A EP 99110645 A EP99110645 A EP 99110645A EP 0964159 A3 EP0964159 A3 EP 0964159A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- pump
- gerotor
- rotor
- liquid
- 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- Withdrawn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
- 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
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
-
- 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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/086—Carter
-
- 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
- F04C2240/50—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/04—PTFE [PolyTetraFluorEthylene]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
Eine Gerotorpumpe für flüssige Medien umfaßt ein Pumpengehäuse (3, 29), eine zylindrische Kammer (5) in dem Pumpengehäuse (3, 29), einen in der zylindrischen Kammer (5) aufgenommenen Gerotor-Laufsatz (9), der von einer Pumpenantriebswelle (11) rotierend anzutreiben ist, um die zu pumpende Flüssigkeit von einem Sauganschluß (31) der Pumpe her in einen Ansaugbereich der Kammer (5) anzusaugen und die angesaugte Pumpflüssigkeit aus einem Ausstoßbereich der Kammer (5) zu einem Druckanschluß (33) hin auszutreiben, wobei der Gerotor-Laufsatz (9) einen Außenrotor (43) mit einer der Umfangsfläche (6) der Kammer (5) radial zugewandten Außenumfangafläche (8) aufweist. Zwischen den radial einander gegenüberliegenden Umfangsflächen (6, 8) der Kammer (5) und des Außenrotors (43) ist ein Wälzlager (90) oder ein Gleitlagerelement (90) zur radialen Lagerung des Außenrotors (43) in der Kammer (5) angeordnet. Hierdurch erreicht man auch bei starker Belastung über eine lange Lebensdauer ausgezeichnete Pumplaufeigenschaften. A gerotor pump for liquid media comprises a pump housing (3, 29), a cylindrical chamber (5) in the pump housing (3, 29), a gerotor rotor (9) accommodated in the cylindrical chamber (5), which is driven by a pump drive shaft ( 11) is to be driven in rotation in order to draw in the liquid to be pumped from a suction connection (31) of the pump into a suction area of the chamber (5) and to drive out the pumped liquid from a discharge area of the chamber (5) to a pressure connection (33), wherein the gerotor rotor set (9) has an outer rotor (43) with an outer peripheral surface (8) radially facing the peripheral surface (6) of the chamber (5). A roller bearing (90) or a sliding bearing element (90) for the radial mounting of the outer rotor (43) in the chamber (5) is arranged between the radially opposite circumferential surfaces (6, 8) of the chamber (5) and the outer rotor (43). As a result, excellent pump running properties are achieved even under heavy loads over a long service life.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29810577U DE29810577U1 (en) | 1998-06-12 | 1998-06-12 | Gerotor pump for liquid media |
DE29810577U | 1998-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0964159A2 EP0964159A2 (en) | 1999-12-15 |
EP0964159A3 true EP0964159A3 (en) | 2001-01-17 |
Family
ID=8058471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99110645A Withdrawn EP0964159A3 (en) | 1998-06-12 | 1999-06-02 | Gerotor pump |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0964159A3 (en) |
DE (1) | DE29810577U1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009000313A1 (en) * | 2009-01-20 | 2010-07-22 | BSH Bosch und Siemens Hausgeräte GmbH | Vending Machine |
DE102011089528B3 (en) * | 2011-12-22 | 2013-04-11 | Continental Automotive Gmbh | Pump for pumping air used in motor vehicle, has pump casings and internally toothed external rotor located in pump housing, where external rotor is mounted at external side of radial bearings, and inner rotor is engaged with external rotor |
BE1025520B1 (en) | 2017-08-29 | 2019-04-03 | Atlas Copco Airpower Naamloze Vennootschap | Machine provided with an oil pump and a method for starting such a machine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1110166A (en) * | 1964-07-09 | 1968-04-18 | Eickmann Karl | Improvements in or relating to an internally-meshing gear pump or motor |
DE1553211A1 (en) * | 1966-09-09 | 1970-11-05 | Karl Stock | Hydraulic motor or hydraulic pump |
DE2114874A1 (en) * | 1971-03-27 | 1972-10-12 | Dowty Technical Developments Ltd., Brockhampton, Cheltenham (Großbritannien) | Hydraulic displacement pump |
US5618171A (en) * | 1994-01-21 | 1997-04-08 | Cerasiv Gmbh Innovatives-Keramik-Engineering | Supply unit with a ceramic internal gear pump |
WO1997021031A1 (en) * | 1995-12-05 | 1997-06-12 | Danfoss A/S | Pump or motor |
-
1998
- 1998-06-12 DE DE29810577U patent/DE29810577U1/en not_active Expired - Lifetime
-
1999
- 1999-06-02 EP EP99110645A patent/EP0964159A3/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1110166A (en) * | 1964-07-09 | 1968-04-18 | Eickmann Karl | Improvements in or relating to an internally-meshing gear pump or motor |
DE1553211A1 (en) * | 1966-09-09 | 1970-11-05 | Karl Stock | Hydraulic motor or hydraulic pump |
DE2114874A1 (en) * | 1971-03-27 | 1972-10-12 | Dowty Technical Developments Ltd., Brockhampton, Cheltenham (Großbritannien) | Hydraulic displacement pump |
US5618171A (en) * | 1994-01-21 | 1997-04-08 | Cerasiv Gmbh Innovatives-Keramik-Engineering | Supply unit with a ceramic internal gear pump |
WO1997021031A1 (en) * | 1995-12-05 | 1997-06-12 | Danfoss A/S | Pump or motor |
Also Published As
Publication number | Publication date |
---|---|
DE29810577U1 (en) | 1999-10-21 |
EP0964159A2 (en) | 1999-12-15 |
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Legal Events
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Effective date: 20010719 |
|
AKX | Designation fees paid |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20010718 |