GB9423129D0 - An internal-geared pump - Google Patents

An internal-geared pump

Info

Publication number
GB9423129D0
GB9423129D0 GB9423129A GB9423129A GB9423129D0 GB 9423129 D0 GB9423129 D0 GB 9423129D0 GB 9423129 A GB9423129 A GB 9423129A GB 9423129 A GB9423129 A GB 9423129A GB 9423129 D0 GB9423129 D0 GB 9423129D0
Authority
GB
United Kingdom
Prior art keywords
internal
geared pump
geared
pump
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
GB9423129A
Other versions
GB2284638A (en
GB2284638B (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.)
Barmag Luk Automobiltechnik GmbH and Co KG
Original Assignee
Barmag Luk Automobiltechnik GmbH and Co KG
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=6502830&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB9423129(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Barmag Luk Automobiltechnik GmbH and Co KG filed Critical Barmag Luk Automobiltechnik GmbH and Co KG
Publication of GB9423129D0 publication Critical patent/GB9423129D0/en
Publication of GB2284638A publication Critical patent/GB2284638A/en
Application granted granted Critical
Publication of GB2284638B publication Critical patent/GB2284638B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04C2/102—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 the two members rotating simultaneously around their respective axes
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
GB9423129A 1993-11-18 1994-11-16 An internal-geared pump Expired - Fee Related GB2284638B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4339280 1993-11-18

Publications (3)

Publication Number Publication Date
GB9423129D0 true GB9423129D0 (en) 1995-01-04
GB2284638A GB2284638A (en) 1995-06-14
GB2284638B GB2284638B (en) 1998-05-27

Family

ID=6502830

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9423129A Expired - Fee Related GB2284638B (en) 1993-11-18 1994-11-16 An internal-geared pump

Country Status (4)

Country Link
DE (1) DE4440782C5 (en)
FR (1) FR2712638A1 (en)
GB (1) GB2284638B (en)
IT (1) IT1271052B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6347843B1 (en) * 1998-04-22 2002-02-19 Denso Corporation Pump equipment and method for assembling same
EP1629203A1 (en) * 2003-05-23 2006-03-01 LuK Automobiltechnik GmbH & Co. KG Gear pump
DE102016121240A1 (en) 2016-11-07 2018-05-09 Nidec Gpm Gmbh Electric gerotor pump and method of making same
DE102018204086B4 (en) * 2018-03-16 2023-10-12 Eckerle Technologies GmbH Gear fluid machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52130006A (en) * 1976-04-23 1977-11-01 Hitachi Ltd Gear pump
DE3448253C2 (en) * 1983-12-14 1991-05-16 Barmag Ag, 5630 Remscheid, De
DE3444859A1 (en) * 1983-12-14 1985-06-27 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Rotary cellular pump for hydraulic systems
DE3417832A1 (en) * 1984-05-14 1985-11-14 Rudolf Prof. Dr.-Ing. Röper Simple-symmetric toothing for internal and external gear pumps
EP0173778B1 (en) * 1984-09-05 1990-03-07 Hobourn Engineering Limited Improvements relating to pumps
ES2024708B3 (en) * 1986-07-19 1992-03-01 Barmag Barmer Maschf INTERIOR GEAR WHEEL PUMP
DE3737961A1 (en) * 1987-11-07 1989-05-18 Barmag Barmer Maschf Internal-gear pump
DE59100553D1 (en) * 1990-08-20 1993-12-09 Barmag Luk Automobiltech Internal gear pump for hydraulic fluid.
EP0474001B1 (en) * 1990-09-01 1995-01-04 BARMAG LUK AUTOMOBILTECHNIK GMBH & CO.KG Internal gear pump for hydraulic fluids
DE59304256D1 (en) * 1992-06-29 1996-11-28 Luk Automobiltech Gmbh & Co Kg Internal gear pump for hydraulic fluid
DE4338876C2 (en) * 1993-11-13 2001-10-18 Mannesmann Rexroth Ag Hydraulic gear machine (hydraulic pump or hydraulic motor)

Also Published As

Publication number Publication date
DE4440782C5 (en) 2006-05-24
DE4440782A1 (en) 1995-07-20
ITMI942211A0 (en) 1994-10-28
DE4440782C2 (en) 2002-12-05
IT1271052B (en) 1997-05-26
ITMI942211A1 (en) 1996-04-28
FR2712638A1 (en) 1995-05-24
GB2284638A (en) 1995-06-14
GB2284638B (en) 1998-05-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051116