IT1309094B1 - FIXED DISPLACEMENT ROTARY PUMP AND VARIABLE FLOW, PARTICULARLY FOR OIL. - Google Patents

FIXED DISPLACEMENT ROTARY PUMP AND VARIABLE FLOW, PARTICULARLY FOR OIL.

Info

Publication number
IT1309094B1
IT1309094B1 IT1999TO000873A ITTO990873A IT1309094B1 IT 1309094 B1 IT1309094 B1 IT 1309094B1 IT 1999TO000873 A IT1999TO000873 A IT 1999TO000873A IT TO990873 A ITTO990873 A IT TO990873A IT 1309094 B1 IT1309094 B1 IT 1309094B1
Authority
IT
Italy
Prior art keywords
oil
rotary pump
variable flow
fixed displacement
displacement rotary
Prior art date
Application number
IT1999TO000873A
Other languages
Italian (it)
Inventor
Carlo Pachetti
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
Priority to IT1999TO000873A priority Critical patent/IT1309094B1/en
Publication of ITTO990873A0 publication Critical patent/ITTO990873A0/en
Priority to EP00121895A priority patent/EP1091126A1/en
Publication of ITTO990873A1 publication Critical patent/ITTO990873A1/en
Application granted granted Critical
Publication of IT1309094B1 publication Critical patent/IT1309094B1/en

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
    • F04C14/14—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 rotating 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
IT1999TO000873A 1999-10-08 1999-10-08 FIXED DISPLACEMENT ROTARY PUMP AND VARIABLE FLOW, PARTICULARLY FOR OIL. IT1309094B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT1999TO000873A IT1309094B1 (en) 1999-10-08 1999-10-08 FIXED DISPLACEMENT ROTARY PUMP AND VARIABLE FLOW, PARTICULARLY FOR OIL.
EP00121895A EP1091126A1 (en) 1999-10-08 2000-10-06 Internal gear pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999TO000873A IT1309094B1 (en) 1999-10-08 1999-10-08 FIXED DISPLACEMENT ROTARY PUMP AND VARIABLE FLOW, PARTICULARLY FOR OIL.

Publications (3)

Publication Number Publication Date
ITTO990873A0 ITTO990873A0 (en) 1999-10-08
ITTO990873A1 ITTO990873A1 (en) 2001-04-08
IT1309094B1 true IT1309094B1 (en) 2002-01-16

Family

ID=11418130

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999TO000873A IT1309094B1 (en) 1999-10-08 1999-10-08 FIXED DISPLACEMENT ROTARY PUMP AND VARIABLE FLOW, PARTICULARLY FOR OIL.

Country Status (2)

Country Link
EP (1) EP1091126A1 (en)
IT (1) IT1309094B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7637725B2 (en) 2004-10-25 2009-12-29 Ford Global Technologies Variable output gerotor pump
JP5076484B2 (en) * 2006-12-19 2012-11-21 株式会社ジェイテクト Electric pump unit and electric oil pump
IT1401005B1 (en) 2010-06-15 2013-07-05 Vhit Spa FLUID MACHINE WITH FLOW REGULATION
CN104976112B (en) * 2014-04-01 2018-12-18 松下知识产权经营株式会社 liquid pump and Rankine cycle device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE904985C (en) * 1951-04-04 1954-02-25 Alfred Richter Infinitely variable hydraulic toothed cage capsule drive
GB811557A (en) * 1956-09-12 1959-04-08 Borg Warner Variable displacement internally-meshing gear pump
GB896393A (en) * 1959-08-14 1962-05-16 Robert Wesley Brundage Variable volume internal chamber type hydraulic pump
DE2135861A1 (en) * 1971-07-17 1973-02-08 Maschf Augsburg Nuernberg Ag ROTARY LISTON PUMP

Also Published As

Publication number Publication date
ITTO990873A1 (en) 2001-04-08
ITTO990873A0 (en) 1999-10-08
EP1091126A1 (en) 2001-04-11

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