CH521522A - Hydraulic device that can be used as a liquid pump or hydraulic motor - Google Patents
Hydraulic device that can be used as a liquid pump or hydraulic motorInfo
- Publication number
- CH521522A CH521522A CH740070A CH740070A CH521522A CH 521522 A CH521522 A CH 521522A CH 740070 A CH740070 A CH 740070A CH 740070 A CH740070 A CH 740070A CH 521522 A CH521522 A CH 521522A
- Authority
- CH
- Switzerland
- Prior art keywords
- hydraulic
- liquid pump
- hydraulic motor
- hydraulic device
- 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
-
- 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
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/36—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movements defined in groups F04C2/22 and F04C2/24
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 |
---|---|---|---|
US82650569A | 1969-05-21 | 1969-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH521522A true CH521522A (en) | 1972-04-15 |
Family
ID=25246714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH740070A CH521522A (en) | 1969-05-21 | 1970-05-19 | Hydraulic device that can be used as a liquid pump or hydraulic motor |
Country Status (5)
Country | Link |
---|---|
US (1) | US3574490A (en) |
JP (1) | JPS5024725B1 (en) |
CH (1) | CH521522A (en) |
FR (1) | FR2048592A5 (en) |
GB (1) | GB1301576A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL71329B1 (en) * | 1971-12-01 | 1974-06-29 | ||
US3791149A (en) * | 1972-07-11 | 1974-02-12 | Gardner Denver Co | Rotary eccentric fluid motor |
US3981646A (en) * | 1973-03-15 | 1976-09-21 | Lucas Aerospace Limited | Gear pumps and motors |
US4145168A (en) * | 1976-11-12 | 1979-03-20 | Bobby J. Travis | Fluid flow rotating machinery of lobe type |
CN1058773C (en) * | 1998-03-11 | 2000-11-22 | 绵阳市奥神科技有限公司 | Composite gear tooth-type gas compressor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US152904A (en) * | 1874-07-14 | Improvement in rotary pumps | ||
US1652323A (en) * | 1921-12-15 | 1927-12-13 | Pettersson Pehr Axel | Pump |
FR793396A (en) * | 1934-10-30 | 1936-01-23 | Two-module gear, especially for pumps and similar applications | |
US2246235A (en) * | 1939-01-18 | 1941-06-17 | Beach Benson H Sparling | Internal combustion engine |
US2601003A (en) * | 1946-05-17 | 1952-06-17 | Bendix Aviat Corp | Gear pump |
US3444819A (en) * | 1966-07-16 | 1969-05-20 | Telehoist Ltd | Hydraulic motors and pumps |
-
1969
- 1969-05-21 US US826505A patent/US3574490A/en not_active Expired - Lifetime
-
1970
- 1970-05-06 GB GB1301576D patent/GB1301576A/en not_active Expired
- 1970-05-19 CH CH740070A patent/CH521522A/en not_active IP Right Cessation
- 1970-05-20 FR FR7018393A patent/FR2048592A5/fr not_active Expired
- 1970-05-21 JP JP45042959A patent/JPS5024725B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2024542A1 (en) | 1970-11-26 |
FR2048592A5 (en) | 1971-03-19 |
DE2024542B2 (en) | 1975-06-05 |
GB1301576A (en) | 1972-12-29 |
US3574490A (en) | 1971-04-13 |
JPS5024725B1 (en) | 1975-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |