EP1110000A2 - Internal gear machine for reversed operation in a closed hydraulic circuit - Google Patents
Internal gear machine for reversed operation in a closed hydraulic circuitInfo
- Publication number
- EP1110000A2 EP1110000A2 EP00943999A EP00943999A EP1110000A2 EP 1110000 A2 EP1110000 A2 EP 1110000A2 EP 00943999 A EP00943999 A EP 00943999A EP 00943999 A EP00943999 A EP 00943999A EP 1110000 A2 EP1110000 A2 EP 1110000A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pinion
- internal gear
- housing
- plane
- ring 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.)
- Granted
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
-
- 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
- F04C14/04—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for reversible machines or pumps
-
- 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
- F04C2/101—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 with a crescent-shaped filler element, located between the inner and outer intermeshing members
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19930910 | 1999-07-06 | ||
DE19930910A DE19930910C1 (en) | 1999-07-06 | 1999-07-06 | Internal gear pump for reversing operation in a closed hydraulic circuit |
PCT/EP2000/006342 WO2001002730A1 (en) | 1999-07-06 | 2000-07-05 | Internal gear machine for reversed operation in a closed hydraulic circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1110000A2 true EP1110000A2 (en) | 2001-06-27 |
EP1110000B1 EP1110000B1 (en) | 2005-10-12 |
Family
ID=7913673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00943999A Expired - Lifetime EP1110000B1 (en) | 1999-07-06 | 2000-07-05 | Internal gear machine for reversed operation in a closed hydraulic circuit |
Country Status (7)
Country | Link |
---|---|
US (1) | US6419471B1 (en) |
EP (1) | EP1110000B1 (en) |
JP (1) | JP2003503642A (en) |
KR (1) | KR100526767B1 (en) |
AT (1) | ATE306618T1 (en) |
DE (2) | DE19930910C1 (en) |
WO (1) | WO2001002730A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10058883A1 (en) * | 1999-12-08 | 2001-07-12 | Luk Lamellen & Kupplungsbau | Geared pump with hollow gear contains sickle-shaped space here filled out by first and second fillers in one or two pieces and on opposite sides of interposed filler pin. |
US6672850B2 (en) * | 2001-12-21 | 2004-01-06 | Visteon Global Technologies, Inc. | Torque control oil pump with low parasitic loss and rapid pressure transient response |
EP2474563B1 (en) | 2006-11-30 | 2020-01-08 | The University of Akron | Polyisobutylene-based polyurethane and polyurea |
JP6115156B2 (en) * | 2013-01-31 | 2017-04-19 | 株式会社豊田自動織機 | Inscribed gear pump |
DE102017106140A1 (en) | 2017-03-22 | 2018-09-27 | Voith Patent Gmbh | Internal gear pump |
DE102020110217A1 (en) | 2020-04-14 | 2021-10-14 | Hydraulik Nord Technologies GmbH | Internal gear machine |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE353838C (en) | 1922-09-06 | Zahnradfabrik G M B H | Device on gear pumps with internal teeth to enable the same inflow and outflow direction despite reversing the direction of rotation | |
GB273002A (en) | 1926-03-25 | 1927-06-27 | Max Ams Chemical Engineering C | Improvements in rotary pumps |
GB967944A (en) * | 1962-04-06 | 1964-08-26 | Daimler Benz Ag | Improvements relating to gear pumps |
DE1528947A1 (en) * | 1963-07-04 | 1969-09-11 | Bosch Gmbh Robert | Internal gear machine |
GB1243239A (en) * | 1967-09-01 | 1971-08-18 | Otto Eckerle | Improvements in and relating to hydraulic gear pumps |
DE1936837A1 (en) * | 1969-07-19 | 1971-01-28 | Zahnradfabrik Friedrichshafen | Gear pump |
JPS5514964A (en) | 1978-07-20 | 1980-02-01 | Tokyo Shiyouketsu Kinzoku Kk | Internal gear pump |
US4392796A (en) * | 1978-10-18 | 1983-07-12 | Sid Harvey, Inc. | Valve controlled reversible pump with anticavitation means |
DE2942417A1 (en) * | 1979-10-19 | 1981-05-14 | Otto Eckerle GmbH & Co KG, 7502 Malsch | INTERNAL GEAR MACHINE |
JPS5752694A (en) * | 1980-09-17 | 1982-03-29 | Ishikawajima Harima Heavy Ind Co Ltd | Internal gear type liquid pressure rotating machine |
GB8817284D0 (en) * | 1988-07-20 | 1988-08-24 | Jaguar Cars | Hydraulic devices |
DE4104397C2 (en) * | 1990-03-09 | 1993-12-16 | Voith Gmbh J M | Internal gear pump |
JPH05180173A (en) * | 1991-12-28 | 1993-07-20 | Toyooki Kogyo Co Ltd | Inscribed gear pump |
DE4336966A1 (en) * | 1993-10-29 | 1995-05-04 | Otto Eckerle | Internal gear machine |
DE4338875C2 (en) * | 1993-11-13 | 2003-11-06 | Eckerle Ind Elektronik Gmbh | Reversible internal gear machine (pump or motor) |
-
1999
- 1999-07-06 DE DE19930910A patent/DE19930910C1/en not_active Expired - Fee Related
-
2000
- 2000-07-05 KR KR10-2001-7002880A patent/KR100526767B1/en not_active IP Right Cessation
- 2000-07-05 WO PCT/EP2000/006342 patent/WO2001002730A1/en active IP Right Grant
- 2000-07-05 DE DE50011327T patent/DE50011327D1/en not_active Expired - Lifetime
- 2000-07-05 AT AT00943999T patent/ATE306618T1/en not_active IP Right Cessation
- 2000-07-05 JP JP2001507936A patent/JP2003503642A/en not_active Withdrawn
- 2000-07-05 EP EP00943999A patent/EP1110000B1/en not_active Expired - Lifetime
- 2000-07-05 US US09/786,591 patent/US6419471B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0102730A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2001002730A8 (en) | 2001-03-29 |
EP1110000B1 (en) | 2005-10-12 |
DE50011327D1 (en) | 2006-02-23 |
DE19930910C1 (en) | 2001-01-18 |
KR100526767B1 (en) | 2005-11-08 |
US6419471B1 (en) | 2002-07-16 |
ATE306618T1 (en) | 2005-10-15 |
JP2003503642A (en) | 2003-01-28 |
WO2001002730A1 (en) | 2001-01-11 |
KR20010079747A (en) | 2001-08-22 |
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