JPS502203A - - Google Patents
Info
- Publication number
- JPS502203A JPS502203A JP49039548A JP3954874A JPS502203A JP S502203 A JPS502203 A JP S502203A JP 49039548 A JP49039548 A JP 49039548A JP 3954874 A JP3954874 A JP 3954874A JP S502203 A JPS502203 A JP S502203A
- Authority
- JP
- Japan
- 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.)
- Pending
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 |
|---|---|
| JPS502203A true JPS502203A (it) | 1975-01-10 |
Family
ID=23387090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49039548A Pending JPS502203A (it) | 1973-04-20 | 1974-04-09 |
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 (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 |
| DE69204112T2 (de) * | 1991-06-19 | 1996-04-18 | Eaton Corp | Fluidumdruck-Übertragungsmittel für Auflader. |
| 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 |
| US10408212B2 (en) | 2014-05-21 | 2019-09-10 | Circor Pumps North America, Llc | 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 |
| 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/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 |
|---|---|
| FR2226572B1 (it) | 1978-04-21 |
| GB1425297A (en) | 1976-02-18 |
| FR2226572A1 (it) | 1974-11-15 |
| BE811635A (fr) | 1974-06-17 |
| CA989247A (en) | 1976-05-18 |
| DE2409118B2 (de) | 1977-02-10 |
| US3817665A (en) | 1974-06-18 |
| IT1009909B (it) | 1976-12-20 |
| DE2409118A1 (de) | 1974-11-14 |