WO2009146448A3 - Variable output fluid pump system - Google Patents

Variable output fluid pump system Download PDF

Info

Publication number
WO2009146448A3
WO2009146448A3 PCT/US2009/045838 US2009045838W WO2009146448A3 WO 2009146448 A3 WO2009146448 A3 WO 2009146448A3 US 2009045838 W US2009045838 W US 2009045838W WO 2009146448 A3 WO2009146448 A3 WO 2009146448A3
Authority
WO
WIPO (PCT)
Prior art keywords
pump
pump system
variable output
fluid pump
output fluid
Prior art date
Application number
PCT/US2009/045838
Other languages
French (fr)
Other versions
WO2009146448A2 (en
Inventor
David L. Killion
Original Assignee
Metaldyne Company Llc
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 Metaldyne Company Llc filed Critical Metaldyne Company Llc
Priority to DE112009001302T priority Critical patent/DE112009001302T5/en
Priority to GB1020178.8A priority patent/GB2472551B/en
Publication of WO2009146448A2 publication Critical patent/WO2009146448A2/en
Publication of WO2009146448A3 publication Critical patent/WO2009146448A3/en

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
    • F04C2/10—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
    • F04C2/102—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 the two members rotating simultaneously around their respective axes
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • 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
    • F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
    • F04C14/065—Capacity control using a multiplicity of units or pumping capacities, e.g. multiple chambers, individually switchable or controllable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

A variable output pump system is provided, the pump system having a first positive displacement pump; a pump drive operably coupled to the first positive displacement pump, wherein the pump drive operates the first positive displacement pump to have a first output profile during a first operating range and a second output profile during a second operating range, the pump drive having a hydraulic release being configured to decrease the second output profile as a hydraulic pressure increases.
PCT/US2009/045838 2008-05-30 2009-06-01 Variable output fluid pump system WO2009146448A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112009001302T DE112009001302T5 (en) 2008-05-30 2009-06-01 Fluid pumping system with variable output
GB1020178.8A GB2472551B (en) 2008-05-30 2009-06-01 Variable output fluid pump system

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US5780108P 2008-05-30 2008-05-30
US61/057,801 2008-05-30
US5906908P 2008-06-05 2008-06-05
US61/059,069 2008-06-05
US15022509P 2009-02-05 2009-02-05
US61/150,225 2009-02-05

Publications (2)

Publication Number Publication Date
WO2009146448A2 WO2009146448A2 (en) 2009-12-03
WO2009146448A3 true WO2009146448A3 (en) 2010-03-04

Family

ID=41377888

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/045838 WO2009146448A2 (en) 2008-05-30 2009-06-01 Variable output fluid pump system

Country Status (5)

Country Link
US (1) US20090297363A1 (en)
KR (1) KR20110014691A (en)
DE (1) DE112009001302T5 (en)
GB (1) GB2472551B (en)
WO (1) WO2009146448A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9322401B2 (en) * 2014-02-10 2016-04-26 General Electric Company Linear compressor
DE102018212497A1 (en) 2018-07-26 2020-01-30 Eckerle Technologies GmbH Fluid delivery device

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US6068460A (en) * 1998-10-28 2000-05-30 Eaton Corporation Two speed gerotor motor with pressurized recirculation
WO2008037070A1 (en) * 2006-09-26 2008-04-03 Magna Powertrain Inc. Control system and method for pump output pressure control

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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5800131A (en) * 1993-01-30 1998-09-01 Mercedes-Benz Aktiengesellschaft Process for regulating the capacity of lubricant pumps and lubricant pump therefor
US5290153A (en) * 1993-03-09 1994-03-01 General Motors Corporation Two stage pump assembly
US5496154A (en) * 1994-04-18 1996-03-05 General Motors Corporation Fan drive with high torque release
US6068460A (en) * 1998-10-28 2000-05-30 Eaton Corporation Two speed gerotor motor with pressurized recirculation
WO2008037070A1 (en) * 2006-09-26 2008-04-03 Magna Powertrain Inc. Control system and method for pump output pressure control

Also Published As

Publication number Publication date
GB2472551A (en) 2011-02-09
WO2009146448A2 (en) 2009-12-03
KR20110014691A (en) 2011-02-11
GB201020178D0 (en) 2011-01-12
DE112009001302T5 (en) 2011-04-14
US20090297363A1 (en) 2009-12-03
GB2472551B (en) 2012-11-21

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