EP0745774A3 - Variable-delivery pump - Google Patents

Variable-delivery pump Download PDF

Info

Publication number
EP0745774A3
EP0745774A3 EP96108447A EP96108447A EP0745774A3 EP 0745774 A3 EP0745774 A3 EP 0745774A3 EP 96108447 A EP96108447 A EP 96108447A EP 96108447 A EP96108447 A EP 96108447A EP 0745774 A3 EP0745774 A3 EP 0745774A3
Authority
EP
European Patent Office
Prior art keywords
variable
delivery pump
delivery
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
EP96108447A
Other languages
German (de)
French (fr)
Other versions
EP0745774B1 (en
EP0745774A2 (en
Inventor
Carlo Pachetti
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.)
Pierburg Pump Technology Italy SpA
Original Assignee
Magneti Marelli SpA
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 Magneti Marelli SpA filed Critical Magneti Marelli SpA
Publication of EP0745774A2 publication Critical patent/EP0745774A2/en
Publication of EP0745774A3 publication Critical patent/EP0745774A3/en
Application granted granted Critical
Publication of EP0745774B1 publication Critical patent/EP0745774B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F04C14/12—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 using sliding valves
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/05—Speed
    • F04C2270/052—Speed angular
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/56—Number of pump/machine units in operation
EP96108447A 1995-05-30 1996-05-28 Variable-delivery pump Expired - Lifetime EP0745774B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO950441 1995-05-30
IT95TO000441A IT1279571B1 (en) 1995-05-30 1995-05-30 VARIABLE FLOW PUMP.

Publications (3)

Publication Number Publication Date
EP0745774A2 EP0745774A2 (en) 1996-12-04
EP0745774A3 true EP0745774A3 (en) 1997-06-04
EP0745774B1 EP0745774B1 (en) 2002-02-20

Family

ID=11413599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96108447A Expired - Lifetime EP0745774B1 (en) 1995-05-30 1996-05-28 Variable-delivery pump

Country Status (4)

Country Link
EP (1) EP0745774B1 (en)
DE (1) DE69619298T2 (en)
ES (1) ES2173222T3 (en)
IT (1) IT1279571B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014205970A1 (en) 2014-03-31 2015-10-01 Schaeffler Technologies AG & Co. KG variable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502845A (en) * 1983-03-24 1985-03-05 General Motors Corporation Multistage gear pump and control valve arrangement
DE3520884A1 (en) * 1984-06-11 1986-01-02 Trw Inc., Cleveland, Ohio TWO-STAGE BUILT-IN CENTRIFUGAL PUMP WITH QUANTITY CONTROL
DE3837599A1 (en) * 1988-11-05 1990-05-10 Daimler Benz Ag Gear pump having two pairs of gear wheels arranged next to one another in the pump casing
EP0499794A1 (en) * 1991-02-19 1992-08-26 Mercedes-Benz Ag Hydraulic pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502845A (en) * 1983-03-24 1985-03-05 General Motors Corporation Multistage gear pump and control valve arrangement
DE3520884A1 (en) * 1984-06-11 1986-01-02 Trw Inc., Cleveland, Ohio TWO-STAGE BUILT-IN CENTRIFUGAL PUMP WITH QUANTITY CONTROL
DE3837599A1 (en) * 1988-11-05 1990-05-10 Daimler Benz Ag Gear pump having two pairs of gear wheels arranged next to one another in the pump casing
EP0499794A1 (en) * 1991-02-19 1992-08-26 Mercedes-Benz Ag Hydraulic pump

Also Published As

Publication number Publication date
DE69619298T2 (en) 2002-11-07
EP0745774B1 (en) 2002-02-20
ES2173222T3 (en) 2002-10-16
DE69619298D1 (en) 2002-03-28
ITTO950441A1 (en) 1996-11-30
IT1279571B1 (en) 1997-12-16
EP0745774A2 (en) 1996-12-04
ITTO950441A0 (en) 1995-05-30

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