EP0410150A3 - Gear pump - Google Patents

Gear pump

Info

Publication number
EP0410150A3
EP0410150A3 EP19900112100 EP90112100A EP0410150A3 EP 0410150 A3 EP0410150 A3 EP 0410150A3 EP 19900112100 EP19900112100 EP 19900112100 EP 90112100 A EP90112100 A EP 90112100A EP 0410150 A3 EP0410150 A3 EP 0410150A3
Authority
EP
European Patent Office
Prior art keywords
gear pump
gear
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.)
Withdrawn
Application number
EP19900112100
Other languages
German (de)
Other versions
EP0410150A2 (en
Inventor
Gottfried Dipl.-Ing. Olbrich
Hayno Dipl.-Ing. Rustige
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0410150A2 publication Critical patent/EP0410150A2/en
Publication of EP0410150A3 publication Critical patent/EP0410150A3/en
Withdrawn legal-status Critical Current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
    • F04C14/24—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
    • F04C14/265—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 being obtained by displacing a lateral sealing face
    • 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
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid
    • F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP19900112100 1989-07-25 1990-06-26 Gear pump Withdrawn EP0410150A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3924482 1989-07-25
DE19893924482 DE3924482A1 (en) 1989-07-25 1989-07-25 GEAR PUMP

Publications (2)

Publication Number Publication Date
EP0410150A2 EP0410150A2 (en) 1991-01-30
EP0410150A3 true EP0410150A3 (en) 1991-11-27

Family

ID=6385721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900112100 Withdrawn EP0410150A3 (en) 1989-07-25 1990-06-26 Gear pump

Country Status (2)

Country Link
EP (1) EP0410150A3 (en)
DE (1) DE3924482A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423096A1 (en) * 1994-07-01 1996-01-04 Alois Boerger Rotary pump esp. for fluids with solid content
DE102010042455A1 (en) 2010-10-14 2012-04-19 Robert Bosch Gmbh Gear pump for conveying a liquid
DE102010050163A1 (en) 2010-10-30 2012-05-03 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Displacement machine for combustion engine of motor vehicle, has nozzle that is arranged at one end of return line to re-circulate pressurized fluid injected in direction of suction opening so that displacement is accelerated
CN108678948B (en) * 2018-04-28 2020-01-03 河南航天液压气动技术有限公司 Hydraulic system and gear pump thereof
CN108612651A (en) * 2018-07-13 2018-10-02 杜马司科学仪器（江苏）有限公司 A kind of vacuum liquid discharging pump and vacuum distillation apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944595C (en) * 1950-06-16 1956-06-21 Borg Warner High pressure fluid gear pump
DE1528954A1 (en) * 1964-08-08 1970-07-02 Bosch Gmbh Robert Displacement machine
FR2294053A1 (en) * 1974-12-12 1976-07-09 Jacquard Systems METHOD AND MACHINE FOR STAMPING CHARACTERS IN A SOFT MATERIAL
DE2903545A1 (en) * 1978-02-07 1979-08-09 Fuelmaster Prod Nv ROTATING DISPLACEMENT PUMP, IN PARTICULAR GEAR PUMP
EP0012328A1 (en) * 1978-12-13 1980-06-25 Werdohler Pumpenfabrik Rickmeier GmbH Gear pump for water or the like
WO1989002515A1 (en) * 1987-09-10 1989-03-23 Robert Bosch Gmbh Gearwheel motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944595C (en) * 1950-06-16 1956-06-21 Borg Warner High pressure fluid gear pump
DE1528954A1 (en) * 1964-08-08 1970-07-02 Bosch Gmbh Robert Displacement machine
FR2294053A1 (en) * 1974-12-12 1976-07-09 Jacquard Systems METHOD AND MACHINE FOR STAMPING CHARACTERS IN A SOFT MATERIAL
DE2903545A1 (en) * 1978-02-07 1979-08-09 Fuelmaster Prod Nv ROTATING DISPLACEMENT PUMP, IN PARTICULAR GEAR PUMP
EP0012328A1 (en) * 1978-12-13 1980-06-25 Werdohler Pumpenfabrik Rickmeier GmbH Gear pump for water or the like
WO1989002515A1 (en) * 1987-09-10 1989-03-23 Robert Bosch Gmbh Gearwheel motor

Also Published As

Publication number Publication date
DE3924482C2 (en) 1991-05-16
EP0410150A2 (en) 1991-01-30
DE3924482A1 (en) 1991-02-07

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Ipc: F04C 2/14

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Owner name: ROBERT BOSCH GMBH

17P Request for examination filed

Effective date: 19920502

17Q First examination report despatched

Effective date: 19930125

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19940213