DK529988D0 - Tandhjulspumpe eller -motor - Google Patents

Tandhjulspumpe eller -motor

Info

Publication number
DK529988D0
DK529988D0 DK529988A DK529988A DK529988D0 DK 529988 D0 DK529988 D0 DK 529988D0 DK 529988 A DK529988 A DK 529988A DK 529988 A DK529988 A DK 529988A DK 529988 D0 DK529988 D0 DK 529988D0
Authority
DK
Denmark
Prior art keywords
dowells
roller
outer gear
recesses
gear
Prior art date
Application number
DK529988A
Other languages
English (en)
Other versions
DK529988A (da
DK168310B1 (da
Inventor
Andrew N Dlugokecki
Original Assignee
Parker Hannifin 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22280182&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK529988(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Parker Hannifin Corp filed Critical Parker Hannifin Corp
Publication of DK529988D0 publication Critical patent/DK529988D0/da
Publication of DK529988A publication Critical patent/DK529988A/da
Application granted granted Critical
Publication of DK168310B1 publication Critical patent/DK168310B1/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Gears, Cams (AREA)
  • Gear Transmission (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Valve Device For Special Equipments (AREA)
  • Pulleys (AREA)
  • Retarders (AREA)
  • Hydraulic Motors (AREA)
DK529988A 1987-09-24 1988-09-23 Tandhjulspumpe eller -motor DK168310B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10052087 1987-09-24
US07/100,520 US4824347A (en) 1987-09-24 1987-09-24 Internal gear machine with reinforced housing

Publications (3)

Publication Number Publication Date
DK529988D0 true DK529988D0 (da) 1988-09-23
DK529988A DK529988A (da) 1989-03-25
DK168310B1 DK168310B1 (da) 1994-03-07

Family

ID=22280182

Family Applications (1)

Application Number Title Priority Date Filing Date
DK529988A DK168310B1 (da) 1987-09-24 1988-09-23 Tandhjulspumpe eller -motor

Country Status (7)

Country Link
US (1) US4824347A (da)
EP (1) EP0309130B1 (da)
JP (1) JPH01145449A (da)
AT (1) ATE70593T1 (da)
CA (1) CA1318549C (da)
DE (1) DE3867011D1 (da)
DK (1) DK168310B1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510348A1 (de) * 1995-03-22 1996-09-26 Rexroth Mannesmann Gmbh Kreiskolbenmaschine
US7344341B2 (en) * 2002-11-27 2008-03-18 West Coast Industries, Inc. Drill
US8215932B2 (en) * 2004-04-09 2012-07-10 Limo-Reid, Inc. Long life telescoping gear pumps and motors
US20070227802A1 (en) * 2004-04-09 2007-10-04 O'brien James A Ii Hybrid earthmover
WO2005100780A2 (en) * 2004-04-09 2005-10-27 Hybra-Drive Systems, Llc Variable capacity pump/motor
US7281376B2 (en) * 2005-02-22 2007-10-16 Hybra-Drive Systems, Llc Hydraulic hybrid powertrain system
US8011910B2 (en) * 2005-02-22 2011-09-06 Limo-Reid, Inc. Low noise gear set for gear pump
US7188601B1 (en) 2005-12-08 2007-03-13 Renegade Motors International Pty Ltd. Oil pump for engine using gerotors having fully filtered oil flow
US9784107B2 (en) * 2012-10-22 2017-10-10 Parker-Hannifin Corporation Hydraulic motor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3425448A (en) * 1966-07-01 1969-02-04 Char Lynn Co Fluid pressure balanced valve
US3905727A (en) * 1971-07-28 1975-09-16 John B Kilmer Gerotor type fluid motor, pump or the like
US3846051A (en) * 1973-01-03 1974-11-05 Eaton Corp Valving arrangement in a hydraulic device
US4025243A (en) * 1973-01-05 1977-05-24 Gresen Manufacturing Company Orbital device
DE3015551C2 (de) * 1980-04-23 1986-10-23 Mannesmann Rexroth GmbH, 8770 Lohr Kreiskolbenmaschine
JPS59136580A (ja) * 1983-01-25 1984-08-06 Sumitomo Heavy Ind Ltd トルク伝達装置
US4573890A (en) * 1984-10-22 1986-03-04 Atsugi Motor Parts Co., Ltd. Vane pump with locating pins for cam ring

Also Published As

Publication number Publication date
DK529988A (da) 1989-03-25
DE3867011D1 (de) 1992-01-30
US4824347A (en) 1989-04-25
JPH01145449A (ja) 1989-06-07
EP0309130A2 (en) 1989-03-29
DK168310B1 (da) 1994-03-07
CA1318549C (en) 1993-06-01
EP0309130A3 (en) 1989-08-30
EP0309130B1 (en) 1991-12-18
ATE70593T1 (de) 1992-01-15

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed