EP2412979A3 - Pressure pump with suction nut - Google Patents

Pressure pump with suction nut Download PDF

Info

Publication number
EP2412979A3
EP2412979A3 EP11173969.4A EP11173969A EP2412979A3 EP 2412979 A3 EP2412979 A3 EP 2412979A3 EP 11173969 A EP11173969 A EP 11173969A EP 2412979 A3 EP2412979 A3 EP 2412979A3
Authority
EP
European Patent Office
Prior art keywords
pressure pump
pump
suction nut
chamber
nut
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
EP11173969.4A
Other languages
German (de)
French (fr)
Other versions
EP2412979A2 (en
EP2412979B1 (en
Inventor
Kim Boris Friedrich
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.)
Schwaebische Huettenwerke Automotive GmbH
Original Assignee
Schwaebische Huettenwerke Automotive 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 Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Priority to PL11173969T priority Critical patent/PL2412979T3/en
Publication of EP2412979A2 publication Critical patent/EP2412979A2/en
Publication of EP2412979A3 publication Critical patent/EP2412979A3/en
Application granted granted Critical
Publication of EP2412979B1 publication Critical patent/EP2412979B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/185—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction
    • 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
    • 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

Abstract

Verdrängerpumpe, insbesondere Zahnradpumpe, umfassend eine Pumpenkammer 1 und eine Regelkammer 2, die voneinander über einen Kolben 3 getrennt sind, wobei die Pumpe eine Einrichtung 4, 5 aufweist, mit der aus der Pumpenkammer 1 in Richtung Regelkammer 2 fließendes Fluid abführbar ist.

Figure imgaf001
Positive displacement pump, in particular gear pump, comprising a pump chamber 1 and a control chamber 2, which are separated from each other by a piston 3, wherein the pump has a device 4, 5, with the fluid flowing from the pump chamber 1 in the direction of control chamber 2 fluid can be discharged.
Figure imgaf001
EP11173969.4A 2010-07-26 2011-07-14 Pressure pump with suction nut Not-in-force EP2412979B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11173969T PL2412979T3 (en) 2010-07-26 2011-07-14 Pressure pump with suction nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010038430A DE102010038430B4 (en) 2010-07-26 2010-07-26 Positive displacement pump with suction groove

Publications (3)

Publication Number Publication Date
EP2412979A2 EP2412979A2 (en) 2012-02-01
EP2412979A3 true EP2412979A3 (en) 2013-05-29
EP2412979B1 EP2412979B1 (en) 2017-08-30

Family

ID=44584010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11173969.4A Not-in-force EP2412979B1 (en) 2010-07-26 2011-07-14 Pressure pump with suction nut

Country Status (6)

Country Link
US (1) US8899951B2 (en)
EP (1) EP2412979B1 (en)
CN (1) CN102345600B (en)
DE (1) DE102010038430B4 (en)
HU (1) HUE036123T2 (en)
PL (1) PL2412979T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011009221A1 (en) * 2011-01-22 2012-07-26 Volkswagen Ag gear pump
CN108291537B (en) * 2015-12-04 2020-10-09 奥迪股份公司 External gear pump
US10113546B2 (en) 2016-08-16 2018-10-30 Caterpillar Inc. Pump for an engine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008025346A1 (en) * 2008-05-27 2009-12-03 Audi Ag Regulating oil pump for lubricating internal combustion engine, has control piston comprising circular arc shaped axial recess, and bypass nut radially running towards control piston and disconnected in region of continuous edge of recess

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526830A (en) * 1945-06-22 1950-10-24 Hpm Dev Corp Variable delivery gear pump
DE2506744A1 (en) * 1975-02-18 1976-08-26 Carl Dipl Kfm Kanis Positive displacement gear wheel pump - has throughput regulated by plunger varying leakage volume between rotors to return varying percentage of flow to input
DE3528651A1 (en) * 1985-08-09 1987-02-19 Rohs Hans Guenther Prof Dr Ing GEAR PUMP
CN1055795A (en) * 1990-04-15 1991-10-30 河北机电学院 Energy conversion mechanism for variable gear hydraulic system
CN2221117Y (en) * 1995-04-25 1996-02-28 丁万荣 Energy transfer mechanism of variable gear hydraulic system
DE10222131C5 (en) * 2002-05-17 2011-08-11 Schwäbische Hüttenwerke Automotive GmbH & Co. KG, 73433 Positive displacement pump with delivery volume adjustment
AT413140B (en) * 2003-03-28 2005-11-15 Tcg Unitech Ag GEAR PUMP
DE102005029086B4 (en) * 2005-06-23 2016-06-16 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Oil pump for an internal combustion engine
DE102006018124A1 (en) * 2006-04-19 2007-10-25 Schwäbische Hüttenwerke Automotive GmbH & Co. KG Adjustable rotary pump with wear reduction
DE102007033146B4 (en) * 2007-07-13 2012-02-02 Schwäbische Hüttenwerke Automotive GmbH & Co. KG Adjustment valve for adjusting the delivery volume of a positive displacement pump
CN101571122B (en) * 2009-05-21 2010-11-17 叶立平 Hydraulic round platform gear pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008025346A1 (en) * 2008-05-27 2009-12-03 Audi Ag Regulating oil pump for lubricating internal combustion engine, has control piston comprising circular arc shaped axial recess, and bypass nut radially running towards control piston and disconnected in region of continuous edge of recess

Also Published As

Publication number Publication date
CN102345600A (en) 2012-02-08
DE102010038430B4 (en) 2012-12-06
EP2412979A2 (en) 2012-02-01
CN102345600B (en) 2016-08-03
EP2412979B1 (en) 2017-08-30
HUE036123T2 (en) 2018-06-28
PL2412979T3 (en) 2018-01-31
DE102010038430A8 (en) 2012-03-29
DE102010038430A1 (en) 2012-01-26
US8899951B2 (en) 2014-12-02
US20120020825A1 (en) 2012-01-26

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