EP2592273A3 - Hydraulic pump assembly - Google Patents

Hydraulic pump assembly Download PDF

Info

Publication number
EP2592273A3
EP2592273A3 EP12185270.1A EP12185270A EP2592273A3 EP 2592273 A3 EP2592273 A3 EP 2592273A3 EP 12185270 A EP12185270 A EP 12185270A EP 2592273 A3 EP2592273 A3 EP 2592273A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic pump
pump assembly
hydraulic
inlet
outlet
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Withdrawn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
EP12185270.1A
Other languages
German (de)
French (fr)
Other versions
EP2592273A2 (en
Inventor
Günther Mair Am Tinkhof
Manuel Thiel
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.)
Walterscheid GmbH
Original Assignee
GKN Walterscheid 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 GKN Walterscheid GmbH filed Critical GKN Walterscheid GmbH
Publication of EP2592273A2 publication Critical patent/EP2592273A2/en
Publication of EP2592273A3 publication Critical patent/EP2592273A3/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Withdrawn legal-status Critical Current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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • 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
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • 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
    • F04C14/04—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for reversible machines or pumps
    • 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
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

Hydraulikpumpenanordnung 1, welche folgendes umfasst:
eine Hydraulikpumpe 2 mit zwei Stromrichtungen, wobei die Hydraulikpumpe 2 einen ersten Hydraulikanschluss 3 und einen zweiten Hydraulikanschluss 4 aufweist,
einen ersten Zulauf 5 und einen ersten Ablauf 6, die beide mit dem ersten Hydraulikanschluss 3 verbunden sind, und
einen zweiten Zulauf 7 und einen zweiten Ablauf 8, die beide mit dem zweiten Hydraulikanschluss 4 verbunden sind,
wobei in jedem Zulauf 5, 7 und in jedem Ablauf 6, 8 ein Rückschlagventil 9, 10, 11, 12 angeordnet ist

Figure imgaf001
Hydraulic pump assembly 1, comprising:
a hydraulic pump 2 with two flow directions, the hydraulic pump 2 having a first hydraulic connection 3 and a second hydraulic connection 4,
a first inlet 5 and a first outlet 6, which are both connected to the first hydraulic port 3, and
a second inlet 7 and a second outlet 8, both of which are connected to the second hydraulic connection 4,
wherein in each inlet 5, 7 and in each drain 6, 8 a check valve 9, 10, 11, 12 is arranged
Figure imgaf001
EP12185270.1A 2011-11-10 2012-09-20 Hydraulic pump assembly Withdrawn EP2592273A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011055194.8A DE102011055194B4 (en) 2011-11-10 2011-11-10 Hydraulic pump assembly

Publications (2)

Publication Number Publication Date
EP2592273A2 EP2592273A2 (en) 2013-05-15
EP2592273A3 true EP2592273A3 (en) 2013-12-18

Family

ID=46963530

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12185270.1A Withdrawn EP2592273A3 (en) 2011-11-10 2012-09-20 Hydraulic pump assembly

Country Status (3)

Country Link
US (1) US20130121854A1 (en)
EP (1) EP2592273A3 (en)
DE (1) DE102011055194B4 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8702373B1 (en) * 2013-07-15 2014-04-22 United Technologies Corporation Lubrication of journal bearing during clockwise and counter-clockwise rotation
DE102014111133A1 (en) * 2014-08-05 2016-02-11 Robert Bosch Automotive Steering Gmbh Filtering for reversible gear machine
DE102015219503A1 (en) * 2015-10-08 2017-04-13 Zf Friedrichshafen Ag Drive train for a motor vehicle with a pump device
DE102015220535A1 (en) * 2015-10-21 2017-04-27 Zf Friedrichshafen Ag Hydraulic system for cooling an automatic transmission
DE102016200960B4 (en) * 2016-01-25 2018-02-15 Festo Ag & Co. Kg pumping device
US20190011046A1 (en) * 2017-07-05 2019-01-10 GM Global Technology Operations LLC Hydraulic circuit to enable unidirectional flow under forward and reverse positive displacement pump rotation
US11162494B2 (en) * 2019-01-23 2021-11-02 Pratt & Whitney Canada Corp. Scavenge pump
DE102019132711A1 (en) * 2019-12-02 2021-06-02 Fte Automotive Gmbh Liquid pump, in particular for supplying a transmission or a clutch in the drive train of a motor vehicle
GB202005916D0 (en) * 2020-04-23 2020-06-10 Rolls Royce Plc Gas turbine engine lubrication system
DE102021132217A1 (en) 2021-12-07 2023-06-07 Schwäbische Hüttenwerke Automotive GmbH Fluid delivery system with load-dependent speed reversal of a rotary pump

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1478417A (en) * 1922-11-27 1923-12-25 Prospect Mfg Company Pump
US1717814A (en) * 1926-08-25 1929-06-18 Bliss E W Co Lubricating system
US2299824A (en) * 1941-06-02 1942-10-27 Kalin Albert Governor
US3192860A (en) * 1963-10-28 1965-07-06 Universal Oil Prod Co Double-acting bellows pump
DE102007022216A1 (en) * 2007-05-11 2008-11-13 Robert Bosch Gmbh Hydraulic system with gear pump
WO2009123489A2 (en) * 2008-04-01 2009-10-08 Zivoslav Milovanovic Device with rotary pistons that can be used as a compressor, a pump, a vacuum pump, a turbine, a motor and as other driving and driven hydraulic-pneumatic machines

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB596170A (en) * 1945-07-23 1947-12-30 Ford Motor Co Improvements in gear pumps
US1220810A (en) * 1915-09-01 1917-03-27 Gen Electric Spur-gearing.
US1554081A (en) * 1923-03-23 1925-09-15 Gen Electric Self-oiling gearing
US2277270A (en) * 1938-09-12 1942-03-24 Falk Corp Gear pump
US2778316A (en) * 1952-02-12 1957-01-22 Hiram H Haight Reversible pump with automatic valving
US3120190A (en) * 1961-03-02 1964-02-04 Falk Corp Gear pump
US3117419A (en) * 1961-04-06 1964-01-14 W A Whitney Mfg Co Hydraulic pump
US3286643A (en) * 1963-10-14 1966-11-22 Dowty Technical Dev Ltd Gear pumps and motors
US3529698A (en) * 1967-05-05 1970-09-22 Gen Electric Self-operating lubrication system for gear drive units
US3601515A (en) * 1969-07-30 1971-08-24 Mack Trucks Lubricant pump
US3625310A (en) * 1970-01-20 1971-12-07 Dresser Ind Gearbox lubrication
GB1428654A (en) * 1972-02-25 1976-03-17 Renold Ltd Gear pumps
US3857461A (en) * 1973-04-16 1974-12-31 Caterpillar Tractor Co Bidirectional pump system having plural lubrication circuits
US3994634A (en) * 1975-10-28 1976-11-30 Rockwell International Corporation Reversible lubricant pump
US4630711A (en) * 1984-06-27 1986-12-23 Societe Anonyme D.B.A. Device for lubricating a geartrain
US4699575A (en) * 1986-02-12 1987-10-13 Robotics, Inc. Adhesive pump and it's control system
US4721184A (en) * 1987-01-28 1988-01-26 Ingersoll-Rand Company Oil control system
US7213682B2 (en) * 2003-11-19 2007-05-08 General Motors Corporation Hydraulic fluid storage apparatus for a transmission
DE102010010804A1 (en) * 2010-03-09 2011-09-15 Sew-Eurodrive Gmbh & Co. Kg Arrangement for lubricating a gearbox, gearbox and construction kit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1478417A (en) * 1922-11-27 1923-12-25 Prospect Mfg Company Pump
US1717814A (en) * 1926-08-25 1929-06-18 Bliss E W Co Lubricating system
US2299824A (en) * 1941-06-02 1942-10-27 Kalin Albert Governor
US3192860A (en) * 1963-10-28 1965-07-06 Universal Oil Prod Co Double-acting bellows pump
DE102007022216A1 (en) * 2007-05-11 2008-11-13 Robert Bosch Gmbh Hydraulic system with gear pump
WO2009123489A2 (en) * 2008-04-01 2009-10-08 Zivoslav Milovanovic Device with rotary pistons that can be used as a compressor, a pump, a vacuum pump, a turbine, a motor and as other driving and driven hydraulic-pneumatic machines

Also Published As

Publication number Publication date
DE102011055194B4 (en) 2018-01-18
US20130121854A1 (en) 2013-05-16
EP2592273A2 (en) 2013-05-15
DE102011055194A1 (en) 2013-05-16

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