EP2014919A3 - Adjustment valve for adjusting the supply volume of a pressure pump - Google Patents

Adjustment valve for adjusting the supply volume of a pressure pump Download PDF

Info

Publication number
EP2014919A3
EP2014919A3 EP20080159994 EP08159994A EP2014919A3 EP 2014919 A3 EP2014919 A3 EP 2014919A3 EP 20080159994 EP20080159994 EP 20080159994 EP 08159994 A EP08159994 A EP 08159994A EP 2014919 A3 EP2014919 A3 EP 2014919A3
Authority
EP
European Patent Office
Prior art keywords
valve
adjustment valve
adjusting
adjustment
pressure 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
EP20080159994
Other languages
German (de)
French (fr)
Other versions
EP2014919A2 (en
EP2014919B1 (en
EP2014919B2 (en
Inventor
Christof Dr. Lamparski
Jürgen Bohner
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
Family has litigation
Priority to DE200710033146 priority Critical patent/DE102007033146B4/en
Application filed by Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Publication of EP2014919A2 publication Critical patent/EP2014919A2/en
Publication of EP2014919A3 publication Critical patent/EP2014919A3/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39870297&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2014919(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of EP2014919B1 publication Critical patent/EP2014919B1/en
Publication of EP2014919B2 publication Critical patent/EP2014919B2/en
Application granted granted Critical
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/185Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00Fluid
    • F04C2210/14Lubricant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00Control; Monitoring or safety arrangements
    • F04C2270/18Pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00Control; Monitoring or safety arrangements
    • F04C2270/20Flow
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/86622Motor-operated
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/8667Reciprocating valve
    • Y10T137/86694Piston valve
    • Y10T137/86702With internal flow passage

Abstract

Adjustment valve for the adjustment of the delivery volume of a positive displacement pump, comprising
a) a valve housing (21),
b) a valve piston (22) movably mounted in the valve housing (21) with an effective surface (23) for a valve actuating pressure (P 20 ) of a fluid,
c) a valve spring (25) which counteracts a force exerted by the valve part pressure (P 20 ) on the valve piston (22),
d) and an adjusting device (27, 28), by means of which the valve piston (22) is adjustable in the direction of the force exerted by the valve actuating pressure (P 20 ) or against this force
As well as displacement pump with adjustable delivery volume, designed with such an adjustment valve.
EP08159994.6A 2007-07-13 2008-07-09 Adjustment valve for adjusting the supply volume of a pressure pump Active EP2014919B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200710033146 DE102007033146B4 (en) 2007-07-13 2007-07-13 Adjustment valve for adjusting the delivery volume of a positive displacement pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16206318.4A EP3173624A3 (en) 2007-07-13 2008-07-09 Adjustment valve for adjusting the supply volume of a pressure pump

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP16206318.4A Division EP3173624A3 (en) 2007-07-13 2008-07-09 Adjustment valve for adjusting the supply volume of a pressure pump
EP16206318.4A Division-Into EP3173624A3 (en) 2007-07-13 2008-07-09 Adjustment valve for adjusting the supply volume of a pressure pump

Publications (4)

Publication Number Publication Date
EP2014919A2 EP2014919A2 (en) 2009-01-14
EP2014919A3 true EP2014919A3 (en) 2010-09-01
EP2014919B1 EP2014919B1 (en) 2017-01-04
EP2014919B2 EP2014919B2 (en) 2020-01-08

Family

ID=

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57131890A (en) * 1981-02-06 1982-08-14 Tokyo Keiki Co Ltd Oil hydraulic controller
DE3109045A1 (en) * 1981-03-10 1982-09-16 Teves Gmbh Alfred Adjustable hydraulic pump
DE10324092A1 (en) * 2003-05-27 2004-12-16 Voigt, Dieter, Dipl.-Ing. Variable output lubricant pump for IC engine has axially adjustable meshing pump wheels displaced by hydraulic pressure and with a hydraulic pressure to supplement the return spring pressure
EP1555436A2 (en) * 2004-01-15 2005-07-20 Volkswagen Aktiengesellschaft Gear pump with flow control
DE102005029086A1 (en) * 2005-06-23 2007-01-04 Dr.Ing.H.C. F. Porsche Ag Oil pump for an internal combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57131890A (en) * 1981-02-06 1982-08-14 Tokyo Keiki Co Ltd Oil hydraulic controller
DE3109045A1 (en) * 1981-03-10 1982-09-16 Teves Gmbh Alfred Adjustable hydraulic pump
DE10324092A1 (en) * 2003-05-27 2004-12-16 Voigt, Dieter, Dipl.-Ing. Variable output lubricant pump for IC engine has axially adjustable meshing pump wheels displaced by hydraulic pressure and with a hydraulic pressure to supplement the return spring pressure
EP1555436A2 (en) * 2004-01-15 2005-07-20 Volkswagen Aktiengesellschaft Gear pump with flow control
DE102005029086A1 (en) * 2005-06-23 2007-01-04 Dr.Ing.H.C. F. Porsche Ag Oil pump for an internal combustion engine

Also Published As

Publication number Publication date
DE102007033146A1 (en) 2009-01-15
JP2009019773A (en) 2009-01-29
EP2014919B1 (en) 2017-01-04
US8523535B2 (en) 2013-09-03
HUE035833T2 (en) 2018-05-28
EP3173624A3 (en) 2017-06-21
EP3173624A2 (en) 2017-05-31
EP2014919A2 (en) 2009-01-14
US20090041605A1 (en) 2009-02-12
DE102007033146B4 (en) 2012-02-02

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