EP0565340B1 - Pompe à engrènement intérieur à refoulement variable - Google Patents

Pompe à engrènement intérieur à refoulement variable Download PDF

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Publication number
EP0565340B1
EP0565340B1 EP93302689A EP93302689A EP0565340B1 EP 0565340 B1 EP0565340 B1 EP 0565340B1 EP 93302689 A EP93302689 A EP 93302689A EP 93302689 A EP93302689 A EP 93302689A EP 0565340 B1 EP0565340 B1 EP 0565340B1
Authority
EP
European Patent Office
Prior art keywords
rotor
pump
annulus
rotors
shaft
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 - Lifetime
Application number
EP93302689A
Other languages
German (de)
English (en)
Other versions
EP0565340A1 (fr
Inventor
Steve Hodge
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.)
Concentric Pumps Ltd
Original Assignee
Concentric Pumps Ltd
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 GB929207674A external-priority patent/GB9207674D0/en
Application filed by Concentric Pumps Ltd filed Critical Concentric Pumps Ltd
Publication of EP0565340A1 publication Critical patent/EP0565340A1/fr
Application granted granted Critical
Publication of EP0565340B1 publication Critical patent/EP0565340B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04C14/10—Control 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Valve Device For Special Equipments (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Vehicle Body Suspensions (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Claims (7)

  1. Pompe du type gerotor comportant un anneau unique (16) et deux rotors (10,12) à axes adjacents qui sont réglables angulairement l'un par rapport à l'autre.
  2. Pompe selon la revendication 1, dans laquelle un premier rotor (10) est fixe angulairement par rapport à un arbre d'entraînement (50) alors que l'autre rotor (12) est mobile entre des positions extrêmes par rapport au dit premier rotor (10).
  3. Pompe selon la revendication 1 ou la revendication 2, dans laquelle le second rotor (12) tourillonne sur un prolongement de l'arbre (50) qui porte le premier rotor.
  4. Pompe selon l'une quelconque des revendications précédentes, dans laquelle l'autre (12) des rotors tourillonne sur un excentrique (58) porté par un arbre (60) qui tourillonne sur l'axe (24) de l'anneau et est conçu pour tourner de façon à décaler la phase du dit autre rotor (12) par rapport au dit premier rotor (10).
  5. Pompe selon la revendication 4, dans laquelle le dit arbre d'entraînement (50) et l'arbre (60) coaxial à l'anneau sont disposés bout à bout.
  6. Pompe selon la revendication 4 ou la revendication 5, dans laquelle le dit autre arbre (60) porte un pignon (64) coopérant avec une crémaillère (66).
  7. Pompe selon l'une quelconque des revendications précédentes, dans laquelle le corps de pope (20) est pourvu d'orifices d'entrée (18) à des extrémités axiales opposées et aussi d'orifices de sortie (22) à des extrémités axiales opposées.
EP93302689A 1992-04-08 1993-04-06 Pompe à engrènement intérieur à refoulement variable Expired - Lifetime EP0565340B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9207674 1992-04-08
GB929207674A GB9207674D0 (en) 1992-04-08 1992-04-08 Improvements relating to pumps
GB929214885A GB9214885D0 (en) 1992-04-08 1992-07-14 Improvements relating to pumps
GB9214885 1992-07-14

Publications (2)

Publication Number Publication Date
EP0565340A1 EP0565340A1 (fr) 1993-10-13
EP0565340B1 true EP0565340B1 (fr) 1995-12-13

Family

ID=26300673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93302689A Expired - Lifetime EP0565340B1 (fr) 1992-04-08 1993-04-06 Pompe à engrènement intérieur à refoulement variable

Country Status (11)

Country Link
EP (1) EP0565340B1 (fr)
JP (1) JPH06508416A (fr)
AT (1) ATE131579T1 (fr)
DE (1) DE69300999T2 (fr)
DK (1) DK0565340T3 (fr)
ES (1) ES2083824T3 (fr)
FI (1) FI105283B (fr)
GB (1) GB2265946B (fr)
GR (1) GR3018911T3 (fr)
NO (2) NO304752B1 (fr)
WO (1) WO1993021443A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313411B (en) * 1996-05-25 1999-10-13 Concentric Pumps Ltd Improvements in drive systems
DE10222131C5 (de) * 2002-05-17 2011-08-11 Schwäbische Hüttenwerke Automotive GmbH & Co. KG, 73433 Verdrängerpumpe mit Fördervolumenverstellung
US7832997B2 (en) 2004-12-22 2010-11-16 Magna Powertrain, Inc. Variable capacity gerotor pump
GB2430237A (en) * 2005-06-11 2007-03-21 Concentric Pumps Ltd Variable output internal gear pump
GB2436594A (en) * 2006-03-28 2007-10-03 Concentric Vfp Ltd A variable output pump assembly
GB2441773B (en) * 2006-09-15 2011-02-23 Concentric Vfp Ltd Engine Lubricant Pump Control System
GB0620648D0 (en) * 2006-10-18 2006-11-29 Concentric Vfp Ltd Improvements in gerotor pump performance
GB0620646D0 (en) * 2006-10-18 2006-11-29 Concentric Vfp Ltd Pumps with filling slots
GB0625765D0 (en) 2006-12-22 2007-02-07 Concentric Pumps Ltd Pump

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120324A (en) * 1982-05-13 1983-11-30 Neptune Systems Limited Variable-displacement rotary pump or motor
GB8422755D0 (en) * 1984-09-08 1984-10-10 Concentric Pumps Ltd Oil pumps
GB8706630D0 (en) * 1987-03-20 1987-04-23 Concentric Pumps Ltd Variable output oil pump

Also Published As

Publication number Publication date
NO934469L (no) 1993-12-08
DK0565340T3 (da) 1996-02-19
DE69300999T2 (de) 1996-05-23
GB2265946A (en) 1993-10-13
GB9307074D0 (en) 1993-05-26
ES2083824T3 (es) 1996-04-16
FI935470A (fi) 1993-12-07
JPH06508416A (ja) 1994-09-22
EP0565340A1 (fr) 1993-10-13
NO304752B1 (no) 1999-02-08
GB2265946B (en) 1995-01-18
DE69300999D1 (de) 1996-01-25
NO934469D0 (no) 1993-12-08
FI935470A0 (fi) 1993-12-07
FI105283B (fi) 2000-07-14
ATE131579T1 (de) 1995-12-15
WO1993021443A1 (fr) 1993-10-28
GR3018911T3 (en) 1996-05-31

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