EP0342346A3 - Gear pump - Google Patents

Gear pump Download PDF

Info

Publication number
EP0342346A3
EP0342346A3 EP89106034A EP89106034A EP0342346A3 EP 0342346 A3 EP0342346 A3 EP 0342346A3 EP 89106034 A EP89106034 A EP 89106034A EP 89106034 A EP89106034 A EP 89106034A EP 0342346 A3 EP0342346 A3 EP 0342346A3
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.)
Granted
Application number
EP89106034A
Other languages
German (de)
Other versions
EP0342346A2 (en
EP0342346B1 (en
Inventor
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 EP0342346A2 publication Critical patent/EP0342346A2/en
Publication of EP0342346A3 publication Critical patent/EP0342346A3/en
Application granted granted Critical
Publication of EP0342346B1 publication Critical patent/EP0342346B1/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
    • F04C14/24—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)
EP89106034A 1988-05-14 1989-04-06 Gear pump Expired - Lifetime EP0342346B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3816537 1988-05-14
DE3816537A DE3816537A1 (en) 1988-05-14 1988-05-14 GEAR PUMP

Publications (3)

Publication Number Publication Date
EP0342346A2 EP0342346A2 (en) 1989-11-23
EP0342346A3 true EP0342346A3 (en) 1990-04-18
EP0342346B1 EP0342346B1 (en) 1992-04-15

Family

ID=6354402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89106034A Expired - Lifetime EP0342346B1 (en) 1988-05-14 1989-04-06 Gear pump

Country Status (3)

Country Link
US (1) US4971534A (en)
EP (1) EP0342346B1 (en)
DE (2) DE3816537A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902139A1 (en) * 1989-01-25 1990-07-26 Bosch Gmbh Robert HYDROSTATIC DRIVE
DE59407028D1 (en) * 1994-06-26 1998-11-12 Maag Pump Systems Ag Gear pump
US7963186B2 (en) * 2006-04-12 2011-06-21 Arvinmeritor Technology, Llc Ancillary oil pumping for gear box assembly
DE102015100350B3 (en) * 2015-01-12 2016-03-03 Ludwig Michelbach Gear pump and humidifier with such a gear pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2246188A5 (en) * 1973-10-01 1975-04-25 Bosch Gmbh Robert
GB2032526A (en) * 1978-10-26 1980-05-08 Pierburg Kg A Rotary positive-displacement fluid-machines
GB2048385A (en) * 1979-04-09 1980-12-10 Karl Marx Stadt Ind Werke A rotary fluid pump or motor
DE3605246A1 (en) * 1986-02-19 1987-08-20 Bosch Gmbh Robert Gear machine (pump or motor)
WO1989002515A1 (en) * 1987-09-10 1989-03-23 Robert Bosch Gmbh Gearwheel motor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990341A (en) * 1956-08-27 1961-06-27 Pittsburgh Plate Glass Co Process for concentrating hydrogen peroxide
US2996999A (en) * 1958-01-22 1961-08-22 Hupp Corp Gear pump
US3476055A (en) * 1967-12-19 1969-11-04 Lucas Industries Ltd Gear pumps
DE3430271A1 (en) * 1984-08-17 1986-02-27 Robert Bosch Gmbh, 7000 Stuttgart Hydraulic gear motor
US4678341A (en) * 1985-05-16 1987-07-07 Stuckey William C Integrated liquid distribution apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2246188A5 (en) * 1973-10-01 1975-04-25 Bosch Gmbh Robert
GB2032526A (en) * 1978-10-26 1980-05-08 Pierburg Kg A Rotary positive-displacement fluid-machines
GB2048385A (en) * 1979-04-09 1980-12-10 Karl Marx Stadt Ind Werke A rotary fluid pump or motor
DE3605246A1 (en) * 1986-02-19 1987-08-20 Bosch Gmbh Robert Gear machine (pump or motor)
WO1989002515A1 (en) * 1987-09-10 1989-03-23 Robert Bosch Gmbh Gearwheel motor

Also Published As

Publication number Publication date
US4971534A (en) 1990-11-20
EP0342346A2 (en) 1989-11-23
DE58901138D1 (en) 1992-05-21
EP0342346B1 (en) 1992-04-15
DE3816537A1 (en) 1989-11-23

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