GB8817253D0 - Closed center hydraulic device - Google Patents

Closed center hydraulic device

Info

Publication number: GB8817253D0
Authority: GB; United Kingdom
Prior art keywords: hydraulic device; closed center; center hydraulic; closed; hydraulic
Prior art date: 1987-08-03
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.): Granted

Application number

GB888817253A

Other versions

GB2207705A (en

GB2207705B (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

White H N

Original Assignee

White H N

Priority date (The priority date 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 date listed.)

1987-08-03

Filing date

1988-07-20

Publication date

1988-08-24

1988-07-20 Application filed by White H N filed Critical White H N

1988-08-24 Publication of GB8817253D0 publication Critical patent/GB8817253D0/en

1989-02-08 Publication of GB2207705A publication Critical patent/GB2207705A/en

1992-03-11 Application granted granted Critical

1992-03-11 Publication of GB2207705B publication Critical patent/GB2207705B/en

2008-07-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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)

GB8817253A 1987-08-03 1988-07-20 Hydraulic gerotor devices Expired - Lifetime GB2207705B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US8060687A	1987-08-03	1987-08-03

Publications (3)

Publication Number	Publication Date
GB8817253D0 true GB8817253D0 (en)	1988-08-24
GB2207705A GB2207705A (en)	1989-02-08
GB2207705B GB2207705B (en)	1992-03-11

Family

ID=22158438

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB8817253A Expired - Lifetime GB2207705B (en)	1987-08-03	1988-07-20	Hydraulic gerotor devices
GB9110653A Expired - Lifetime GB2244097B (en)	1987-08-03	1991-05-16	Hydraulic gerotor devices.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB9110653A Expired - Lifetime GB2244097B (en)	1987-08-03	1991-05-16	Hydraulic gerotor devices.

Country Status (4)

Country	Link
JP (1)	JP2881435B2 (en)
CA (1)	CA1275859C (en)
DE (1)	DE3824686C2 (en)
GB (2)	GB2207705B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB975521A (en) *
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 (en) *	1974-11-12	1976-08-26	Danfoss A/S, Nordborg (Dänemark)	PARALLEL AND IN-AXIS ROTARY PISTON MACHINE
JPS54142809U (en) *	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 (en) *	1979-10-25	1983-10-05	株式会社トキメック	Gerotor type fluid rotation device
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 GB GB8817253A patent/GB2207705B/en not_active Expired - Lifetime
- 1988-07-20 DE DE19883824686 patent/DE3824686C2/en not_active Expired - Lifetime
- 1988-07-27 JP JP63185669A patent/JP2881435B2/en 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
JP2881435B2 (en)	1999-04-12
JPH01110887A (en)	1989-04-27
GB2207705A (en)	1989-02-08
DE3824686A1 (en)	1989-02-16
DE3824686C2 (en)	1999-09-16
GB2244097B (en)	1992-03-11
GB2207705B (en)	1992-03-11
GB9110653D0 (en)	1991-07-03
GB2244097A (en)	1991-11-20
CA1275859C (en)	1990-11-06

Legal Events

Date	Code	Title	Description
2008-08-13	PE20	Patent expired after termination of 20 years	Expiry date: 20080719

Publication	Publication Date	Title
GB2209382B (en)	1991-10-23	Hydraulic unit
EP0303848A3 (en)	1989-09-13	Traffic-monitoring device
EP0304626A3 (en)	1990-07-11	Traffic-monitoring device
EP0278225A3 (en)	1990-05-23	Short-inking device
EP0421616A3 (en)	1992-01-15	Hydraulic device
GB2202016B (en)	1991-03-27	Brake-monitoring device
GB8707136D0 (en)	1987-04-29	Lockback device
EP0303053A3 (en)	1990-04-04	Sheet-transferring device
EP0280860A3 (en)	1989-05-10	Sheet-delivering device
GB8707135D0 (en)	1987-04-29	Lockback device
GB2200402B (en)	1990-12-05	Device
GB8817284D0 (en)	1988-08-24	Hydraulic devices
EP0297617A3 (en)	1989-11-02	Oxide-superconducting device
EP0284654A3 (en)	1989-09-20	Closing device
GB8714519D0 (en)	1987-07-22	Hydraulic latch device
GB9110653D0 (en)	1991-07-03	Closed center hydraulic device
GB8713342D0 (en)	1987-07-15	Device
GB8701302D0 (en)	1987-02-25	Anti-assailant device
GB8704645D0 (en)	1987-04-01	Device
CS980687A1 (en)	1989-09-12	Closing device
GB8714525D0 (en)	1987-07-29	Hydraulic weighing device
GB8729165D0 (en)	1988-01-27	Lowering device
GB8701052D0 (en)	1987-02-18	Device
GB8707897D0 (en)	1987-05-07	Device
GB8702977D0 (en)	1987-03-18	Device