CA989247A - Hydraulic pump or motor - Google Patents
Hydraulic pump or motorInfo
- Publication number
- CA989247A CA989247A CA191,520A CA191520A CA989247A CA 989247 A CA989247 A CA 989247A CA 191520 A CA191520 A CA 191520A CA 989247 A CA989247 A CA 989247A
- Authority
- CA
- Canada
- Prior art keywords
- motor
- hydraulic pump
- hydraulic
- 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.)
- Expired
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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00352938A US3817665A (en) | 1973-04-20 | 1973-04-20 | Hydraulic pump or motor |
Publications (1)
Publication Number | Publication Date |
---|---|
CA989247A true CA989247A (en) | 1976-05-18 |
Family
ID=23387090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA191,520A Expired CA989247A (en) | 1973-04-20 | 1974-02-01 | Hydraulic pump or motor |
Country Status (7)
Country | Link |
---|---|
US (1) | US3817665A (en) |
JP (1) | JPS502203A (en) |
BE (1) | BE811635A (en) |
CA (1) | CA989247A (en) |
FR (1) | FR2226572B1 (en) |
GB (1) | GB1425297A (en) |
IT (1) | IT1009909B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4781552A (en) * | 1985-11-27 | 1988-11-01 | Jean Malfit | High pressure hydraulic generator receiver for power transmission |
US4824331A (en) * | 1987-07-29 | 1989-04-25 | Hydreco, Incorporated | Variable discharge gear pump with energy recovery |
US5167320A (en) * | 1991-03-04 | 1992-12-01 | Reliance Electric Industrial Company | Variable speed drive for screw conveyor |
EP0519276B1 (en) * | 1991-06-19 | 1995-08-16 | Eaton Corporation | Supercharger carry-over venting means |
US5190450A (en) * | 1992-03-06 | 1993-03-02 | Eastman Kodak Company | Gear pump for high viscosity materials |
JP3830313B2 (en) * | 1999-09-06 | 2006-10-04 | 株式会社ジェイテクト | Gear pump |
US6808121B2 (en) * | 2003-02-11 | 2004-10-26 | Charles J. Rice | Fluid pump |
GB0406897D0 (en) * | 2004-03-26 | 2004-04-28 | Wabco Automotive Uk Ltd | Vacuum pump oil pressure relief |
US20070178003A1 (en) * | 2005-11-22 | 2007-08-02 | Parker-Hannifin Corporation | Gear pump with ripple chamber for low noise and pressure ripples |
DE202006014930U1 (en) | 2006-09-28 | 2008-02-14 | Trw Automotive Gmbh | Hydraulic device |
DE102007031901B4 (en) * | 2007-07-09 | 2014-06-12 | Schwäbische Hüttenwerke Automotive GmbH & Co. KG | Reciprocating positive displacement pump with filling level increasing inlet |
US10408212B2 (en) | 2014-05-21 | 2019-09-10 | Circor Pumps North America, Llc | Gear pump having through-shaft bearing weepage control |
CN110848132B (en) * | 2019-12-04 | 2021-08-06 | 中国直升机设计研究所 | Hand-operated hydraulic refueling device for aircraft |
US11953032B2 (en) * | 2021-02-09 | 2024-04-09 | Caterpillar Inc. | Hydraulic pump or motor with mounting configuration for increased torque |
US12006924B2 (en) | 2021-08-04 | 2024-06-11 | Caterpillar Inc. | Axial piston pump mounting flange configuration |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1129090A (en) * | 1914-04-08 | 1915-02-23 | American La France Fire Engine Company Inc | Gear-pump. |
US2281767A (en) * | 1940-07-12 | 1942-05-05 | Du Pont | Pump |
US2884864A (en) * | 1955-04-14 | 1959-05-05 | Borg Warner | Pressure loaded pump, trapping grooves |
-
1973
- 1973-04-20 US US00352938A patent/US3817665A/en not_active Expired - Lifetime
-
1974
- 1974-02-01 CA CA191,520A patent/CA989247A/en not_active Expired
- 1974-02-05 GB GB519874A patent/GB1425297A/en not_active Expired
- 1974-02-27 BE BE141443A patent/BE811635A/en unknown
- 1974-03-27 FR FR7410484A patent/FR2226572B1/fr not_active Expired
- 1974-04-09 JP JP49039548A patent/JPS502203A/ja active Pending
- 1974-04-18 IT IT21597/74A patent/IT1009909B/en active
Also Published As
Publication number | Publication date |
---|---|
FR2226572A1 (en) | 1974-11-15 |
BE811635A (en) | 1974-06-17 |
US3817665A (en) | 1974-06-18 |
FR2226572B1 (en) | 1978-04-21 |
DE2409118A1 (en) | 1974-11-14 |
DE2409118B2 (en) | 1977-02-10 |
JPS502203A (en) | 1975-01-10 |
GB1425297A (en) | 1976-02-18 |
IT1009909B (en) | 1976-12-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU471702B2 (en) | Pump | |
CA1025749A (en) | Hydraulic controls | |
CA961696A (en) | Hydraulic pump motor | |
CA1014794A (en) | Magnetic hydraulic pump | |
CA989247A (en) | Hydraulic pump or motor | |
CA1009086A (en) | Hydrostatic pump/motor unit | |
CA990140A (en) | Relief-release pumps | |
CA999483A (en) | Submerged pump | |
CA921769A (en) | Hydraulic pump or motor | |
CA995061A (en) | Hydraulic pump or motor | |
AU470891B2 (en) | Hydraulic motor or pump | |
CA1008301A (en) | Hydraulic motor | |
CA992799A (en) | Pumps or motor fluid mechanisms | |
CA1009897A (en) | Volume pump | |
CA1001003A (en) | Radial piston pump or motor | |
CA1001051A (en) | Hydraulic motor | |
CA1014009A (en) | Hydraulic pump | |
CA1011311A (en) | Fluid pump noise reduction means | |
CA992392A (en) | Hydraulic pump or motor | |
AU475138B2 (en) | An improved motor, pump or the like | |
AU480385B2 (en) | Hydraulic pump or motor | |
AU6530574A (en) | Hydraulic pump or motor | |
SU572582A1 (en) | Piston pump | |
AU490586B2 (en) | Hydraulic motor | |
CA1002811A (en) | Hydraulic motor or pump |