EP0328745A3 - Internal gear machine - Google Patents

Internal gear machine Download PDF

Info

Publication number
EP0328745A3
EP0328745A3 EP88118905A EP88118905A EP0328745A3 EP 0328745 A3 EP0328745 A3 EP 0328745A3 EP 88118905 A EP88118905 A EP 88118905A EP 88118905 A EP88118905 A EP 88118905A EP 0328745 A3 EP0328745 A3 EP 0328745A3
Authority
EP
European Patent Office
Prior art keywords
internal gear
gear machine
machine
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
EP88118905A
Other languages
German (de)
Other versions
EP0328745B1 (en
EP0328745A2 (en
Inventor
Reinhard Ing.-Grad. Pippes
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.)
Eckerle Rexroth GmbH and Co KG
Original Assignee
Otto Eckerle GmbH and Co KG
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 Otto Eckerle GmbH and Co KG filed Critical Otto Eckerle GmbH and Co KG
Publication of EP0328745A2 publication Critical patent/EP0328745A2/en
Publication of EP0328745A3 publication Critical patent/EP0328745A3/en
Application granted granted Critical
Publication of EP0328745B1 publication Critical patent/EP0328745B1/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
    • 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
    • F04C2/101—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 with a crescent-shaped filler element, located between the inner and outer intermeshing members
EP88118905A 1988-02-19 1988-11-12 Internal gear machine Expired - Lifetime EP0328745B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3805186 1988-02-19
DE3805186A DE3805186A1 (en) 1988-02-19 1988-02-19 INTERNAL GEAR MACHINE

Publications (3)

Publication Number Publication Date
EP0328745A2 EP0328745A2 (en) 1989-08-23
EP0328745A3 true EP0328745A3 (en) 1990-03-07
EP0328745B1 EP0328745B1 (en) 1992-05-06

Family

ID=6347724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88118905A Expired - Lifetime EP0328745B1 (en) 1988-02-19 1988-11-12 Internal gear machine

Country Status (4)

Country Link
US (1) US4934913A (en)
EP (1) EP0328745B1 (en)
JP (1) JPH0650113B2 (en)
DE (2) DE3805186A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH682939A5 (en) * 1990-03-09 1993-12-15 Voith Gmbh J M Internal gear pump.
DE4104397C2 (en) * 1990-03-09 1993-12-16 Voith Gmbh J M Internal gear pump
SI9300276A (en) * 1993-05-24 1994-12-31 Drago Cendak High-pressure gear mechanism
EP1396639A1 (en) * 2002-09-03 2004-03-10 Techspace Aero S.A. Gerotor pump
US10443597B2 (en) 2016-01-12 2019-10-15 Hamilton Sundstrand Corporation Gears and gear pumps

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE296588C (en) *
US2601003A (en) * 1946-05-17 1952-06-17 Bendix Aviat Corp Gear pump
DE1245738B (en) * 1961-09-29 1967-07-27 Thomas Hindmarch Gear pump
GB1547944A (en) * 1978-04-05 1979-07-04 Rolls Royce Gear pumps or motors

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US751196A (en) * 1904-02-02 Rotary pump
US1496737A (en) * 1922-06-03 1924-06-03 Viking Pump Company Rotary pump, motor, or engine
US1739139A (en) * 1925-05-18 1929-12-10 Hiram H Haight Pump
US3448615A (en) * 1967-01-03 1969-06-10 American Meter Co Rotary meter,direct drive
CH483563A (en) * 1967-11-30 1969-12-31 Von Roll Ag Feed device for hydro units
US3981646A (en) * 1973-03-15 1976-09-21 Lucas Aerospace Limited Gear pumps and motors
US4233005A (en) * 1978-01-18 1980-11-11 Lucas Industries Limited Hydraulic gear pump with recesses in non-working gear flanks
JPS54140309U (en) * 1978-03-23 1979-09-29
DE2933493A1 (en) * 1979-08-18 1981-03-26 Daimler-Benz Aktiengesellschaft, 70567 Stuttgart High temperature hydraulic gear pump - has oil entraining and release galleries formed in housing adjacent two meshing gears

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE296588C (en) *
US2601003A (en) * 1946-05-17 1952-06-17 Bendix Aviat Corp Gear pump
DE1245738B (en) * 1961-09-29 1967-07-27 Thomas Hindmarch Gear pump
GB1547944A (en) * 1978-04-05 1979-07-04 Rolls Royce Gear pumps or motors

Also Published As

Publication number Publication date
JPH0650113B2 (en) 1994-06-29
EP0328745B1 (en) 1992-05-06
JPH01267378A (en) 1989-10-25
US4934913A (en) 1990-06-19
DE3870853D1 (en) 1992-06-11
DE3805186A1 (en) 1989-08-31
EP0328745A2 (en) 1989-08-23

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