EP0244575A3 - Internal-gear pump - Google Patents

Internal-gear pump Download PDF

Info

Publication number
EP0244575A3
EP0244575A3 EP87102429A EP87102429A EP0244575A3 EP 0244575 A3 EP0244575 A3 EP 0244575A3 EP 87102429 A EP87102429 A EP 87102429A EP 87102429 A EP87102429 A EP 87102429A EP 0244575 A3 EP0244575 A3 EP 0244575A3
Authority
EP
European Patent Office
Prior art keywords
internal
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
EP87102429A
Other languages
German (de)
Other versions
EP0244575B1 (en
EP0244575A2 (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 EP0244575A2 publication Critical patent/EP0244575A2/en
Publication of EP0244575A3 publication Critical patent/EP0244575A3/en
Application granted granted Critical
Publication of EP0244575B1 publication Critical patent/EP0244575B1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
EP19870102429 1986-05-06 1987-02-20 Internal-gear pump Expired - Lifetime EP0244575B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3615212 1986-05-06
DE3615212 1986-05-06
DE19863624517 DE3624517A1 (en) 1986-07-19 1986-07-19 Internal gear pump
DE3624517 1986-07-19

Publications (3)

Publication Number Publication Date
EP0244575A2 EP0244575A2 (en) 1987-11-11
EP0244575A3 true EP0244575A3 (en) 1988-09-14
EP0244575B1 EP0244575B1 (en) 1990-06-13

Family

ID=25843500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870102429 Expired - Lifetime EP0244575B1 (en) 1986-05-06 1987-02-20 Internal-gear pump

Country Status (2)

Country Link
EP (1) EP0244575B1 (en)
DE (1) DE3763222D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129854A1 (en) * 1991-09-07 1993-03-11 Teves Gmbh Alfred GEAR PUMP WITH A NON-LINEAR SUPPLY QUANTITY
DE4413515A1 (en) * 1993-05-11 1994-11-17 Barmag Luk Automobiltech Hydraulic pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB331054A (en) * 1929-01-03 1930-07-03 Thomas Winter Nichols Improvements in rotary pumps, compressors and the like
US2107152A (en) * 1936-08-13 1938-02-01 Tuthill Pump Co Reversible fuel pump
DE1403603A1 (en) * 1961-08-08 1969-12-11 Siemens Elektrogeraete Gmbh Cell compressor
GB2069609A (en) * 1980-02-15 1981-08-26 Zahnradfabrik Friedrichshafen Rotary positive-displacement fluidmachines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB331054A (en) * 1929-01-03 1930-07-03 Thomas Winter Nichols Improvements in rotary pumps, compressors and the like
US2107152A (en) * 1936-08-13 1938-02-01 Tuthill Pump Co Reversible fuel pump
DE1403603A1 (en) * 1961-08-08 1969-12-11 Siemens Elektrogeraete Gmbh Cell compressor
GB2069609A (en) * 1980-02-15 1981-08-26 Zahnradfabrik Friedrichshafen Rotary positive-displacement fluidmachines

Also Published As

Publication number Publication date
EP0244575B1 (en) 1990-06-13
EP0244575A2 (en) 1987-11-11
DE3763222D1 (en) 1990-07-19

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