GB2277558B - Hydraulic pump - Google Patents

Hydraulic pump

Info

Publication number
GB2277558B
GB2277558B GB9408471A GB9408471A GB2277558B GB 2277558 B GB2277558 B GB 2277558B GB 9408471 A GB9408471 A GB 9408471A GB 9408471 A GB9408471 A GB 9408471A GB 2277558 B GB2277558 B GB 2277558B
Authority
GB
United Kingdom
Prior art keywords
hydraulic pump
hydraulic
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.)
Expired - Fee Related
Application number
GB9408471A
Other versions
GB9408471D0 (en
GB2277558A (en
Inventor
Ulrich Hiltemann
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
Application filed by Barmag Luk Automobiltechnik GmbH and Co KG filed Critical Barmag Luk Automobiltechnik GmbH and Co KG
Publication of GB9408471D0 publication Critical patent/GB9408471D0/en
Publication of GB2277558A publication Critical patent/GB2277558A/en
Application granted granted Critical
Publication of GB2277558B publication Critical patent/GB2277558B/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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
    • F04C15/066—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type
    • F04C15/068—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type of the elastic type, e.g. reed valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0452—Distribution members, e.g. valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1037—Flap valves
    • F04B53/1047—Flap valves the valve being formed by one or more flexible elements
    • F04B53/105—Flap valves the valve being formed by one or more flexible elements one flexible element oscillating around a fixed point
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1075—Valves; Arrangement of valves the valve being a flexible annular ring

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Rotary Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
GB9408471A 1993-04-28 1994-04-27 Hydraulic pump Expired - Fee Related GB2277558B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4313868 1993-04-28

Publications (3)

Publication Number Publication Date
GB9408471D0 GB9408471D0 (en) 1994-06-22
GB2277558A GB2277558A (en) 1994-11-02
GB2277558B true GB2277558B (en) 1996-06-12

Family

ID=6486565

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9408471A Expired - Fee Related GB2277558B (en) 1993-04-28 1994-04-27 Hydraulic pump

Country Status (4)

Country Link
JP (1) JP3565898B2 (en)
DE (1) DE4412980C2 (en)
FR (1) FR2704602B1 (en)
GB (1) GB2277558B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19517628A1 (en) * 1995-05-13 1996-11-14 Luk Automobiltech Gmbh & Co Kg Radial piston pump
ES2416312T3 (en) 2004-06-24 2013-07-31 Ixetic Hückeswagen Gmbh Bomb

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4107704A1 (en) * 1990-03-15 1991-09-19 Barmag Luk Automobiltech Hydraulic pump inner gearwheel type - has several peripherally distributed outlet apertures closed by plate spring-type outlet valve
WO1993019297A1 (en) * 1992-03-26 1993-09-30 Zf Friedrichshafen Ag Vane-cell pump

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2647768A1 (en) * 1976-10-22 1978-04-27 Barmag Barmer Maschf Radial piston pump with valve-controlled outlets - has esp. steel band made from flexibly jointed strips to cover outlets simultaneously
DE3930248C2 (en) * 1988-09-21 1999-08-26 Barmag Barmer Maschf Radial piston pump
EP0475109B1 (en) * 1990-08-20 1994-04-20 BARMAG LUK AUTOMOBILTECHNIK GMBH & CO.KG Internal-gear pump for hydraulic fluid

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4107704A1 (en) * 1990-03-15 1991-09-19 Barmag Luk Automobiltech Hydraulic pump inner gearwheel type - has several peripherally distributed outlet apertures closed by plate spring-type outlet valve
WO1993019297A1 (en) * 1992-03-26 1993-09-30 Zf Friedrichshafen Ag Vane-cell pump

Also Published As

Publication number Publication date
FR2704602B1 (en) 1995-10-06
DE4412980C2 (en) 1999-05-06
FR2704602A1 (en) 1994-11-04
JP3565898B2 (en) 2004-09-15
JPH0749081A (en) 1995-02-21
GB9408471D0 (en) 1994-06-22
DE4412980A1 (en) 1994-11-03
GB2277558A (en) 1994-11-02

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Legal Events

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

Effective date: 20120427