IT1009909B - Pompa o motore idraulico - Google Patents
Pompa o motore idraulicoInfo
- Publication number
- IT1009909B IT1009909B IT21597/74A IT2159774A IT1009909B IT 1009909 B IT1009909 B IT 1009909B IT 21597/74 A IT21597/74 A IT 21597/74A IT 2159774 A IT2159774 A IT 2159774A IT 1009909 B IT1009909 B IT 1009909B
- Authority
- IT
- Italy
- Prior art keywords
- pump
- hydraulic motor
- hydraulic
- motor
- Prior art date
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 |
---|---|
IT1009909B true IT1009909B (it) | 1976-12-20 |
Family
ID=23387090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21597/74A IT1009909B (it) | 1973-04-20 | 1974-04-18 | Pompa o motore idraulico |
Country Status (7)
Country | Link |
---|---|
US (1) | US3817665A (it) |
JP (1) | JPS502203A (it) |
BE (1) | BE811635A (it) |
CA (1) | CA989247A (it) |
FR (1) | FR2226572B1 (it) |
GB (1) | GB1425297A (it) |
IT (1) | IT1009909B (it) |
Families Citing this family (14)
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 (ja) * | 1999-09-06 | 2006-10-04 | 株式会社ジェイテクト | ギヤポンプ |
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 (de) | 2006-09-28 | 2008-02-14 | Trw Automotive Gmbh | Hydraulische Vorrichtung |
DE102007031901B4 (de) * | 2007-07-09 | 2014-06-12 | Schwäbische Hüttenwerke Automotive GmbH & Co. KG | Umlaufverdrängerpumpe mit Füllgrad steigerndem Einlass |
EP3146214B1 (en) | 2014-05-21 | 2020-05-20 | CIRCOR Pumps North America, LLC | A gear pump having through-shaft bearing weepage control |
CN110848132B (zh) * | 2019-12-04 | 2021-08-06 | 中国直升机设计研究所 | 一种用于航空器的手摇式液压加油装置 |
US11953032B2 (en) * | 2021-02-09 | 2024-04-09 | Caterpillar Inc. | Hydraulic pump or motor with mounting configuration for increased torque |
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/xx 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/it active
Also Published As
Publication number | Publication date |
---|---|
US3817665A (en) | 1974-06-18 |
JPS502203A (it) | 1975-01-10 |
FR2226572B1 (it) | 1978-04-21 |
BE811635A (fr) | 1974-06-17 |
DE2409118A1 (de) | 1974-11-14 |
DE2409118B2 (de) | 1977-02-10 |
CA989247A (en) | 1976-05-18 |
GB1425297A (en) | 1976-02-18 |
FR2226572A1 (it) | 1974-11-15 |
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