JP3056292B2 - 液圧流体のための内接歯車ポンプ - Google Patents
液圧流体のための内接歯車ポンプInfo
- Publication number
- JP3056292B2 JP3056292B2 JP3219471A JP21947191A JP3056292B2 JP 3056292 B2 JP3056292 B2 JP 3056292B2 JP 3219471 A JP3219471 A JP 3219471A JP 21947191 A JP21947191 A JP 21947191A JP 3056292 B2 JP3056292 B2 JP 3056292B2
- Authority
- JP
- Japan
- Prior art keywords
- pump
- eccentric
- chamber
- notch
- external gear
- 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.)
- Expired - Fee Related
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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
- F04C15/066—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type
- F04C15/068—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type of the elastic type, e.g. reed valves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Hydraulic Motors (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4027825 | 1990-09-01 | ||
DE4027825.5 | 1990-09-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04234585A JPH04234585A (ja) | 1992-08-24 |
JP3056292B2 true JP3056292B2 (ja) | 2000-06-26 |
Family
ID=6413452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3219471A Expired - Fee Related JP3056292B2 (ja) | 1990-09-01 | 1991-08-30 | 液圧流体のための内接歯車ポンプ |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0474001B1 (fr) |
JP (1) | JP3056292B2 (fr) |
AT (1) | ATE116719T1 (fr) |
DE (1) | DE59104131D1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0579981B1 (fr) * | 1992-06-29 | 1996-10-23 | LuK Automobiltechnik GmbH & Co. KG | Pompe à engrenages internes pour fluide hydraulique |
IT1271052B (it) * | 1993-11-18 | 1997-05-26 | Pompa ad ingranaggi interni con sporgenze volumetriche | |
DE102007022215A1 (de) * | 2007-05-11 | 2008-11-13 | Robert Bosch Gmbh | Pumpenbaugruppe zur synchronen Druckbeaufschlagung von zwei Fluidsäulen |
CN105422442A (zh) * | 2015-12-31 | 2016-03-23 | 江苏驰翔精密齿轮股份有限公司 | 内啮合齿轮泵 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2834735A1 (de) * | 1978-08-08 | 1980-02-14 | Buehl Volks Raiffeisenbank | Fluessigkeitspumpe, insbesondere fuer fluessigkeiten geringer viskositaet, wie wasser, alkohole u.a. |
DE3005657A1 (de) * | 1980-02-15 | 1981-08-20 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Zahnradpumpe |
DE3444859A1 (de) * | 1983-12-14 | 1985-06-27 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Rotationszellenpumpe fuer hydrauliksysteme |
DE3504783A1 (de) * | 1984-02-15 | 1985-10-24 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Zahnradpumpe mit innenverzahnung |
GB2219631B (en) * | 1988-06-09 | 1992-08-05 | Concentric Pumps Ltd | Improvements relating to gerotor pumps |
-
1991
- 1991-08-17 DE DE59104131T patent/DE59104131D1/de not_active Expired - Fee Related
- 1991-08-17 EP EP91113816A patent/EP0474001B1/fr not_active Expired - Lifetime
- 1991-08-17 AT AT91113816T patent/ATE116719T1/de not_active IP Right Cessation
- 1991-08-30 JP JP3219471A patent/JP3056292B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE116719T1 (de) | 1995-01-15 |
EP0474001B1 (fr) | 1995-01-04 |
DE59104131D1 (de) | 1995-02-16 |
JPH04234585A (ja) | 1992-08-24 |
EP0474001A1 (fr) | 1992-03-11 |
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Legal Events
Date | Code | Title | Description |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
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R250 | Receipt of annual fees |
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R250 | Receipt of annual fees |
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FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080414 Year of fee payment: 8 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090414 Year of fee payment: 9 |
|
LAPS | Cancellation because of no payment of annual fees |