CA1275859C - Closed center hydraulic devide - Google Patents
Closed center hydraulic devideInfo
- Publication number
- CA1275859C CA1275859C CA000573638A CA573638A CA1275859C CA 1275859 C CA1275859 C CA 1275859C CA 000573638 A CA000573638 A CA 000573638A CA 573638 A CA573638 A CA 573638A CA 1275859 C CA1275859 C CA 1275859C
- Authority
- CA
- Canada
- Prior art keywords
- valve
- opening
- orbiting
- fluid
- central opening
- 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 - Lifetime
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
- F04C2/103—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 one member having simultaneously a rotational movement about its own axis and an orbital movement
- F04C2/105—Details concerning timing or distribution valves
-
- 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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
- F04C15/0046—Internal leakage control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Hydraulic Motors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8060687A | 1987-08-03 | 1987-08-03 | |
US080,606 | 1987-08-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1275859C true CA1275859C (en) | 1990-11-06 |
Family
ID=22158438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000573638A Expired - Lifetime CA1275859C (en) | 1987-08-03 | 1988-08-02 | Closed center hydraulic devide |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2881435B2 (de) |
CA (1) | CA1275859C (de) |
DE (1) | DE3824686C2 (de) |
GB (2) | GB2207705B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5062776A (en) * | 1989-08-04 | 1991-11-05 | Parker Hannifin Corporation | Commutator for orbiting gerotor-type pumps and motors |
US5009582A (en) * | 1989-08-09 | 1991-04-23 | Eaton Corporation | Rotary fluid pressure device and improved stationary valve plate therefor |
GB2268779B (en) * | 1990-01-29 | 1994-10-12 | White Hollis Newcomb Jun | Reduced size hydraulic motor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB975521A (de) * | ||||
US3606601A (en) * | 1969-10-21 | 1971-09-20 | Trw Inc | Hydraulic device |
US3887309A (en) * | 1974-01-10 | 1975-06-03 | Wayne B Easton | High pressure expansible chamber device |
DE2453560B2 (de) * | 1974-11-12 | 1976-08-26 | Danfoss A/S, Nordborg (Dänemark) | Parallel- und innenachsige rotationskolbenmaschine |
JPS54142809U (de) * | 1978-03-29 | 1979-10-03 | ||
US4474544A (en) * | 1980-01-18 | 1984-10-02 | White Hollis Newcomb Jun | Rotary gerotor hydraulic device with fluid control passageways through the rotor |
US4232708A (en) * | 1979-06-25 | 1980-11-11 | Trw Inc. | Fluid controller |
JPS5844876B2 (ja) * | 1979-10-25 | 1983-10-05 | 株式会社トキメック | ジエロ−タ型流体回転装置 |
US4449898A (en) * | 1982-06-07 | 1984-05-22 | Vickers, Incorporated | Power transmission |
GB8606326D0 (en) * | 1986-03-14 | 1986-04-23 | Hobourn Eaton Ltd | Positive displacement pumps |
-
1988
- 1988-07-20 DE DE19883824686 patent/DE3824686C2/de not_active Expired - Lifetime
- 1988-07-20 GB GB8817253A patent/GB2207705B/en not_active Expired - Lifetime
- 1988-07-27 JP JP63185669A patent/JP2881435B2/ja not_active Expired - Lifetime
- 1988-08-02 CA CA000573638A patent/CA1275859C/en not_active Expired - Lifetime
-
1991
- 1991-05-16 GB GB9110653A patent/GB2244097B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB9110653D0 (en) | 1991-07-03 |
GB2207705B (en) | 1992-03-11 |
GB2207705A (en) | 1989-02-08 |
GB8817253D0 (en) | 1988-08-24 |
GB2244097A (en) | 1991-11-20 |
JP2881435B2 (ja) | 1999-04-12 |
DE3824686C2 (de) | 1999-09-16 |
JPH01110887A (ja) | 1989-04-27 |
GB2244097B (en) | 1992-03-11 |
DE3824686A1 (de) | 1989-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |