EP0254077A3 - Internal gear pump - Google Patents

Internal gear pump Download PDF

Info

Publication number
EP0254077A3
EP0254077A3 EP87109295A EP87109295A EP0254077A3 EP 0254077 A3 EP0254077 A3 EP 0254077A3 EP 87109295 A EP87109295 A EP 87109295A EP 87109295 A EP87109295 A EP 87109295A EP 0254077 A3 EP0254077 A3 EP 0254077A3
Authority
EP
European Patent Office
Prior art keywords
internal gear
gear pump
pump
internal
gear
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
EP87109295A
Other languages
German (de)
Other versions
EP0254077B1 (en
EP0254077A2 (en
Inventor
Siegfried Hertell
Dieter Otto
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.)
Oerlikon Barmag AG
Original Assignee
Barmag AG
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 DE19863624517 external-priority patent/DE3624517A1/en
Application filed by Barmag AG filed Critical Barmag AG
Publication of EP0254077A2 publication Critical patent/EP0254077A2/en
Publication of EP0254077A3 publication Critical patent/EP0254077A3/en
Application granted granted Critical
Publication of EP0254077B1 publication Critical patent/EP0254077B1/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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
    • F04C15/066—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type
    • F04C15/068—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type of the elastic type, e.g. reed 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
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels
    • 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)
  • Rotary Pumps (AREA)
EP87109295A 1986-07-19 1987-06-27 Internal gear pump Expired - Lifetime EP0254077B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3624517 1986-07-19
DE19863624517 DE3624517A1 (en) 1986-07-19 1986-07-19 Internal gear pump
DE3704548 1987-02-13
DE3704548 1987-02-13

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP89122024.6 Division-Into 1987-06-27

Publications (3)

Publication Number Publication Date
EP0254077A2 EP0254077A2 (en) 1988-01-27
EP0254077A3 true EP0254077A3 (en) 1988-03-09
EP0254077B1 EP0254077B1 (en) 1990-11-14

Family

ID=25845735

Family Applications (2)

Application Number Title Priority Date Filing Date
EP89122024A Expired - Lifetime EP0362906B1 (en) 1986-07-19 1987-06-27 Internal gear pump
EP87109295A Expired - Lifetime EP0254077B1 (en) 1986-07-19 1987-06-27 Internal gear pump

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP89122024A Expired - Lifetime EP0362906B1 (en) 1986-07-19 1987-06-27 Internal gear pump

Country Status (4)

Country Link
US (1) US4813853A (en)
EP (2) EP0362906B1 (en)
DE (2) DE3766177D1 (en)
ES (2) ES2022841B3 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737961A1 (en) * 1987-11-07 1989-05-18 Barmag Barmer Maschf Internal-gear pump
DE4107704C2 (en) * 1990-03-15 1994-12-01 Barmag Luk Automobiltech hydraulic pump
IT1271052B (en) * 1993-11-18 1997-05-26 INTERNAL GEAR PUMP WITH VOLUMETRIC PROJECTIONS
US6461118B1 (en) * 1997-07-18 2002-10-08 Rpm Industries, Inc. Oil pump by-pass valve for an internal combustion engine
US6544008B1 (en) * 1997-07-18 2003-04-08 John K. Apostolides Internal vent for reducing seal pressure in prelubrication pump assembly
US7137789B2 (en) * 1997-07-18 2006-11-21 Rpm Industries, Inc. Vent for reducing seal pressure in pump assembly
US6708710B1 (en) * 1997-10-30 2004-03-23 Rpm Industries, Inc. Vehicle fluid change apparatus and method
US6988506B1 (en) 1997-10-30 2006-01-24 Rpm Industries, Inc. Fluid transfer system
US7150286B2 (en) * 1997-10-30 2006-12-19 Rpm Industries, Inc. Methods and systems for performing, monitoring and analyzing multiple machine fluid processes
US9062575B2 (en) * 1997-10-30 2015-06-23 RPM Industries, LLC Methods and systems for performing, monitoring and analyzing multiple machine fluid processes
DE19804133A1 (en) * 1998-02-03 1999-08-12 Voith Turbo Kg Sickle-free internal gear pump
US6192925B1 (en) * 1999-10-06 2001-02-27 Der-Fan Shen Flow regulator for water pump
DE10052779A1 (en) * 2000-10-25 2002-05-08 Eckerle Ind Elektronik Gmbh Internal gear pump without filler
US20060127264A1 (en) * 2001-02-01 2006-06-15 Giovanni Aquino Multi-vane device
US6853954B2 (en) 2002-09-24 2005-02-08 John K. Apostolides Methods and systems for collecting and processing data in association with machine operation and maintenance
JP4169724B2 (en) * 2003-07-17 2008-10-22 株式会社山田製作所 Trochoid oil pump
WO2006000181A1 (en) * 2004-06-24 2006-01-05 Luk Automobiltechnik Gmbh & Co. Kg Pump
JP4319617B2 (en) * 2004-12-27 2009-08-26 株式会社山田製作所 Trochoid oil pump
JP4916155B2 (en) 2004-12-28 2012-04-11 デルタ工業株式会社 Reclining device
CN102131673B (en) * 2008-01-17 2015-06-17 费希尔动力有限公司 Round recliner mechanism
JP5795726B2 (en) * 2011-06-27 2015-10-14 株式会社山田製作所 Oil pump
DE102011089609A1 (en) * 2011-12-22 2013-06-27 Robert Bosch Gmbh Internal gear pump
US9296315B2 (en) 2013-02-26 2016-03-29 Fisher & Company, Incorporated Recliner mechanism with backdriving feature
US9902297B2 (en) 2014-06-11 2018-02-27 Fisher & Company, Incorporated Latch mechanism with locking feature
JP6682300B2 (en) * 2016-03-04 2020-04-15 シロキ工業株式会社 Seat reclining device
CN117222813A (en) * 2021-02-19 2023-12-12 1158992Bc有限公司 Fluid transfer device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB265511A (en) * 1926-10-30 1927-02-10 Sidney Zaleski Hall Improvements in and relating to rotary pumps
DE445893C (en) * 1924-03-14 1927-06-20 Hill Compressor & Pump Co Inc Compressor with rotating pistons
FR2228962A1 (en) * 1973-05-10 1974-12-06 Lucas Aerospace Ltd
DE2421891A1 (en) * 1974-05-07 1975-11-20 Bosch Gmbh Robert GEAR MOTOR
DE2622145A1 (en) * 1975-12-19 1977-06-30 Rollstar Ag Rotary internal geared pump or motor - has undercut, cylindrical flank rotor teeth meshing with eccentric axis of rotary internal gear ring
FR2389783A1 (en) * 1977-05-06 1978-12-01 Audi Ag Internal gear pump for engine lubrication - has auxiliary, second pressure take=off past first and before deepest tooth engagement
GB2069609A (en) * 1980-02-15 1981-08-26 Zahnradfabrik Friedrichshafen Rotary positive-displacement fluidmachines

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191509359A (en) * 1915-06-25 1916-06-22 Walter Elsworthy Lilly Improvements in or relating to Rotary Engines, Pumps, Meters, and Blowers.
US1863335A (en) * 1922-12-20 1932-06-14 Hill Compressor & Pump Company Rotary pump
DE409134C (en) * 1924-01-22 1925-02-02 Bbc Brown Boveri & Cie Compressor or expansion engine in the manner of a gear pump
US1861155A (en) * 1929-06-07 1932-05-31 Harry Barker Screw pump
US2428181A (en) * 1944-10-27 1947-09-30 Frank C Sibley Rotary gear pump
FR912425A (en) * 1945-02-26 1946-08-08 Fluid compressors and its applications
US2916999A (en) * 1956-05-25 1959-12-15 Gen Motors Corp Variable discharge vane pump
US2918009A (en) * 1957-02-01 1959-12-22 Dieny & Lucas Soc Nouv Injection-compressor apparatus
US2997227A (en) * 1958-12-17 1961-08-22 Bendix Westinghouse Automotive Unloader for rotary compressors
US3045778A (en) * 1960-03-10 1962-07-24 Roper Hydraulics Inc Lube pumping system
DE1426751A1 (en) * 1965-03-04 1968-11-21 Danfoss As Rotary piston machine
AT291775B (en) * 1968-11-18 1971-07-26 Hohenzollern Huettenverwalt Hydraulic gear machine
US4025243A (en) * 1973-01-05 1977-05-24 Gresen Manufacturing Company Orbital device
DE2425022A1 (en) * 1974-05-24 1975-12-04 Bosch Gmbh Robert PISTON PUMP
DE2705256A1 (en) * 1977-02-09 1978-08-10 Bosch Gmbh Robert Pump or motor with internally and externally toothed wheels - has tooth profiles with non-radial axis of symmetry to form multiple vanes
DE2758376A1 (en) * 1977-12-28 1979-07-05 Schwaebische Huettenwerke Gmbh Piston engine with internal gear ring oil pump - having pinion mounted directly on engine crankshaft and crescent-like spacer in max. with section of working chamber
DE2815362A1 (en) * 1978-04-10 1979-10-18 Bosch Gmbh Robert Hydraulic system with common pump and several outlets - has throttle valve on pump inlet controlled by high pressure outlets
DE2920685A1 (en) * 1979-05-22 1980-12-04 Bosch Gmbh Robert COMPRESSED AIR GENERATION SYSTEM
DE2933084A1 (en) * 1979-08-16 1981-03-26 Robert Bosch Gmbh, 70469 Stuttgart Pressure control for air compressor - has inlet line contg. two-position valve pilot operated to close via receiver pressure operated valve
US4480962A (en) * 1980-08-11 1984-11-06 Vickers, Incorporated Pump with inlet passages downstream and through its flow control valve
GB2104153B (en) * 1981-08-15 1984-08-30 Concentric Pumps Ltd Rotary positive-displacement fluid-pumps
DE3210759A1 (en) * 1981-09-17 1983-10-06 Walter Schopf Pump combination with flow control device
US4553966A (en) * 1983-09-19 1985-11-19 Americal Corporation Device for draining body fluids and irrigating solutions
DE3444859A1 (en) * 1983-12-14 1985-06-27 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Rotary cellular pump for hydraulic systems
CH667702A5 (en) * 1984-02-15 1988-10-31 Barmag Barmer Maschf GEAR PUMP.
DE3506629A1 (en) * 1984-03-01 1985-10-03 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Hydraulic systems
DE8406556U1 (en) * 1984-03-02 1985-06-27 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Gear pump with plate-shaped housing
JPS614882A (en) * 1984-06-18 1986-01-10 Toyoda Mach Works Ltd Gear pump
JPS618484A (en) * 1984-06-22 1986-01-16 Mitsubishi Metal Corp Internal gear pump
EP0173778B1 (en) * 1984-09-05 1990-03-07 Hobourn Engineering Limited Improvements relating to pumps
GB2167130B (en) * 1984-11-19 1988-01-13 Hydrovane Compressor Rotary positive displacement air compressor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE445893C (en) * 1924-03-14 1927-06-20 Hill Compressor & Pump Co Inc Compressor with rotating pistons
GB265511A (en) * 1926-10-30 1927-02-10 Sidney Zaleski Hall Improvements in and relating to rotary pumps
FR2228962A1 (en) * 1973-05-10 1974-12-06 Lucas Aerospace Ltd
DE2421891A1 (en) * 1974-05-07 1975-11-20 Bosch Gmbh Robert GEAR MOTOR
DE2622145A1 (en) * 1975-12-19 1977-06-30 Rollstar Ag Rotary internal geared pump or motor - has undercut, cylindrical flank rotor teeth meshing with eccentric axis of rotary internal gear ring
FR2389783A1 (en) * 1977-05-06 1978-12-01 Audi Ag Internal gear pump for engine lubrication - has auxiliary, second pressure take=off past first and before deepest tooth engagement
GB2069609A (en) * 1980-02-15 1981-08-26 Zahnradfabrik Friedrichshafen Rotary positive-displacement fluidmachines

Also Published As

Publication number Publication date
EP0362906B1 (en) 1991-09-04
US4813853A (en) 1989-03-21
EP0254077B1 (en) 1990-11-14
EP0254077A2 (en) 1988-01-27
ES2022841B3 (en) 1991-12-16
EP0362906A3 (en) 1990-05-30
ES2024708B3 (en) 1992-03-01
DE3772775D1 (en) 1991-10-10
EP0362906A2 (en) 1990-04-11
DE3766177D1 (en) 1990-12-20

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