DK134946C - - Google Patents

Info

Publication number
DK134946C
DK134946C DK328271A DK328271A DK134946C DK 134946 C DK134946 C DK 134946C DK 328271 A DK328271 A DK 328271A DK 328271 A DK328271 A DK 328271A DK 134946 C DK134946 C DK 134946C
Authority
DK
Denmark
Application number
DK328271A
Other languages
Danish (da)
Other versions
DK134946B (en
Inventor
Jr. H N White
D E Bough
Original Assignee
Trw Inc.
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
Application filed by Trw Inc. filed Critical Trw Inc.
Publication of DK134946B publication Critical patent/DK134946B/en
Application granted granted Critical
Publication of DK134946C publication Critical patent/DK134946C/da

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/10Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10Rotary-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
    • F04C2/102Rotary-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 the two members rotating simultaneously around their respective axes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Hydraulic Motors (AREA)
DK328271AA 1970-09-04 1971-07-02 Gear pump or motor. DK134946B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6958070A 1970-09-04 1970-09-04

Publications (2)

Publication Number Publication Date
DK134946B DK134946B (en) 1977-02-14
DK134946C true DK134946C (en) 1977-07-11

Family

ID=22089929

Family Applications (1)

Application Number Title Priority Date Filing Date
DK328271AA DK134946B (en) 1970-09-04 1971-07-02 Gear pump or motor.

Country Status (5)

Country Link
US (1) US3687578A (en)
CA (1) CA961696A (en)
DE (1) DE2128711C3 (en)
DK (1) DK134946B (en)
FR (1) FR2102006A5 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805526A (en) * 1972-11-03 1974-04-23 Aplitec Ltd Variable displacement rotary hydraulic machines
US3895888A (en) * 1973-10-19 1975-07-22 Trw Inc Hydrostatic control unit
USRE31067E (en) * 1973-10-19 1982-10-26 Trw Inc. Hydrostatic control unit
US4215534A (en) * 1976-09-03 1980-08-05 The United States Of America As Represented By The Secretary Of The Navy Cooling system for an expander engine
US4089162A (en) * 1976-09-03 1978-05-16 The United States Of America As Represented By The Secretary Of The Navy Accommodating device for thermal transient expansions
US4215533A (en) * 1976-09-03 1980-08-05 The United States Of America As Represented By The Secretary Of The Navy Rotary expander engine
DE3144423T1 (en) * 1980-04-21 1983-11-03 Zaporožskij konstruktorsko-technologicheskij institut selskochozyaistvennogo mašinostroenia, Zaporož'e PLANET HYDRO MOTOR
US4493622A (en) * 1983-03-07 1985-01-15 Trw Inc. Variable displacement motor
US4569644A (en) * 1984-01-11 1986-02-11 Eaton Corporation Low speed high torque motor with gear reduction
US4578020A (en) * 1984-01-30 1986-03-25 Josef Bartos Hydraulic motor
US4875841A (en) * 1987-07-27 1989-10-24 White Hollis Newcomb Jun Staggered rotor gerotor device
US6699024B2 (en) 2001-06-29 2004-03-02 Parker Hannifin Corporation Hydraulic motor
US6612822B2 (en) * 2001-07-09 2003-09-02 Valeo Electrical Systems, Inc. Hydraulic motor system
ITTO20020551A1 (en) * 2002-06-26 2003-12-29 Vhit Spa VARIABLE DISPLACEMENT FLUID MACHINE ACCORDING TO PRESSURE
US8215932B2 (en) * 2004-04-09 2012-07-10 Limo-Reid, Inc. Long life telescoping gear pumps and motors
DE102004020357A1 (en) * 2004-04-26 2005-11-17 Sauer-Danfoss Aps Method and hydraulic machine for controlling a displacement
EP1828607A4 (en) * 2004-12-22 2012-12-19 Magna Powertrain Usa Inc Variable capacity gerotor pump
WO2006133590A1 (en) * 2005-06-17 2006-12-21 Gotec Sa Compensated gear pump with modular components
GB2440342B (en) * 2006-07-26 2012-01-18 Ford Global Tech Llc Oil pump for an internal combustion engine
EP2585719A2 (en) 2010-06-23 2013-05-01 Siegfried A. Eisenmann Continuously variable volume hydrostatic rotary piston machine
US8821139B2 (en) * 2010-08-03 2014-09-02 Eaton Corporation Balance plate assembly for a fluid device
DE102016215474A1 (en) * 2016-08-18 2018-02-22 Robert Bosch Gmbh delivery unit
DE102022206319A1 (en) * 2022-06-23 2023-12-28 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Electric gear pump for a motor vehicle, in particular a gerotor pump and a set of several gear pumps

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB203745A (en) * 1922-05-16 1923-09-17 Harry Clarence Phillips Improvements in or relating to rotary pumps, compressors, prime movers, and the like
DE414295C (en) * 1923-07-14 1925-05-28 Harry Clarence Phillips Device for changing the performance of rotary piston machines
US1990750A (en) * 1931-03-02 1935-02-12 Gulf Res & Dev Corp Variable volume pump and hydraulic transmission
CH243665A (en) * 1940-10-24 1946-07-31 Bross Erich Gear device with variable flow rate of a liquid working medium.
US2484789A (en) * 1944-04-15 1949-10-11 Hill Lab Variable displacement pump and motor
DE887289C (en) * 1948-10-16 1956-06-14 Theodor Klatte Hydraulic transmission
DE862094C (en) * 1950-07-13 1953-01-08 Theodor Klatte Hydraulic working machine with constantly changeable cubic capacity
DE1076496B (en) * 1956-09-25 1960-02-25 Zahnradfabrik Friedrichshafen Adjustable rotary piston machine with two eccentrically mounted, internally rotating toothed wheels
GB859793A (en) * 1956-09-25 1961-01-25 Zahnradfabrik Friedrichshafen Improvements in and relating to rotary pumps or motors of the n and n + 1 lobe kind
US3460481A (en) * 1967-09-27 1969-08-12 Trw Inc Rotor-stator gear set in a hydraulic motor-pump device

Also Published As

Publication number Publication date
DE2128711A1 (en) 1972-03-16
DE2128711B2 (en) 1980-10-16
US3687578A (en) 1972-08-29
FR2102006A5 (en) 1972-03-31
DK134946B (en) 1977-02-14
CA961696A (en) 1975-01-28
DE2128711C3 (en) 1981-06-04

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Legal Events

Date Code Title Description
PBP Patent lapsed