EP0276680A3 - Two-speed valve in-star motor - Google Patents

Two-speed valve in-star motor Download PDF

Info

Publication number
EP0276680A3
EP0276680A3 EP88100323A EP88100323A EP0276680A3 EP 0276680 A3 EP0276680 A3 EP 0276680A3 EP 88100323 A EP88100323 A EP 88100323A EP 88100323 A EP88100323 A EP 88100323A EP 0276680 A3 EP0276680 A3 EP 0276680A3
Authority
EP
European Patent Office
Prior art keywords
speed valve
star motor
star
motor
valve
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.)
Granted
Application number
EP88100323A
Other versions
EP0276680B1 (en
EP0276680A2 (en
Inventor
Marvin Lloyd Bernstrom
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.)
Eaton Corp
Original Assignee
Eaton Corp
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.)
Filing date
Publication date
Priority claimed from US07/007,882 external-priority patent/US4715798A/en
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of EP0276680A2 publication Critical patent/EP0276680A2/en
Publication of EP0276680A3 publication Critical patent/EP0276680A3/en
Application granted granted Critical
Publication of EP0276680B1 publication Critical patent/EP0276680B1/en
Anticipated expiration legal-status Critical
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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/08—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the rotational speed
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
EP88100323A 1987-01-28 1988-01-12 Two-speed valve in-star motor Expired - Lifetime EP0276680B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/007,882 US4715798A (en) 1986-05-01 1987-01-28 Two-speed valve-in star motor
US7882 2001-12-06

Publications (3)

Publication Number Publication Date
EP0276680A2 EP0276680A2 (en) 1988-08-03
EP0276680A3 true EP0276680A3 (en) 1989-05-10
EP0276680B1 EP0276680B1 (en) 1991-01-09

Family

ID=21728611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88100323A Expired - Lifetime EP0276680B1 (en) 1987-01-28 1988-01-12 Two-speed valve in-star motor

Country Status (4)

Country Link
EP (1) EP0276680B1 (en)
JP (1) JPH0751938B2 (en)
DE (1) DE3861468D1 (en)
DK (1) DK40388A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2764961B2 (en) * 1988-11-18 1998-06-11 ヤマハ株式会社 Electronic musical instrument
US8821139B2 (en) 2010-08-03 2014-09-02 Eaton Corporation Balance plate assembly for a fluid device
US8684710B2 (en) 2010-12-07 2014-04-01 White (China) Drive Products Co., Ltd. Distributor assembly for two-speed gerotor device
US11493018B2 (en) 2020-01-03 2022-11-08 Parker-Hannifin Corporation Hydraulic motor with anti-cogging features

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2196678A6 (en) * 1972-08-18 1974-03-15 Danfoss As
US3892503A (en) * 1974-01-23 1975-07-01 Sperry Rand Corp Apparatus and method for multiple mode motor
DE3008832A1 (en) * 1979-03-09 1980-09-18 Tokyo Keiki Kk Reversible-flow rotary-piston engine - has disc between valve plate and working fluid manifolds for controlling flow to chambers in groups
US4480971A (en) * 1983-01-17 1984-11-06 Eaton Corporation Two-speed gerotor motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2196678A6 (en) * 1972-08-18 1974-03-15 Danfoss As
US3892503A (en) * 1974-01-23 1975-07-01 Sperry Rand Corp Apparatus and method for multiple mode motor
DE3008832A1 (en) * 1979-03-09 1980-09-18 Tokyo Keiki Kk Reversible-flow rotary-piston engine - has disc between valve plate and working fluid manifolds for controlling flow to chambers in groups
US4480971A (en) * 1983-01-17 1984-11-06 Eaton Corporation Two-speed gerotor motor

Also Published As

Publication number Publication date
DK40388D0 (en) 1988-01-27
EP0276680B1 (en) 1991-01-09
JPH0751938B2 (en) 1995-06-05
JPS63195386A (en) 1988-08-12
EP0276680A2 (en) 1988-08-03
DE3861468D1 (en) 1991-02-14
DK40388A (en) 1988-07-29

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