AU2003238781A1 - Rotary piston pump with pressure relief - Google Patents

Rotary piston pump with pressure relief

Info

Publication number
AU2003238781A1
AU2003238781A1 AU2003238781A AU2003238781A AU2003238781A1 AU 2003238781 A1 AU2003238781 A1 AU 2003238781A1 AU 2003238781 A AU2003238781 A AU 2003238781A AU 2003238781 A AU2003238781 A AU 2003238781A AU 2003238781 A1 AU2003238781 A1 AU 2003238781A1
Authority
AU
Australia
Prior art keywords
pressure relief
piston pump
rotary piston
rotary
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.)
Abandoned
Application number
AU2003238781A
Inventor
Duane Ehlke
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.)
FRISTAM PUMPS Inc
Original Assignee
FRISTAM PUMPS Inc
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 FRISTAM PUMPS Inc filed Critical FRISTAM PUMPS Inc
Publication of AU2003238781A1 publication Critical patent/AU2003238781A1/en
Abandoned 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
    • 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
    • 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
    • F04C2/126—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 radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
AU2003238781A 2003-05-29 2003-05-29 Rotary piston pump with pressure relief Abandoned AU2003238781A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/016858 WO2004106742A1 (en) 2003-05-29 2003-05-29 Rotary piston pump with pressure relief

Publications (1)

Publication Number Publication Date
AU2003238781A1 true AU2003238781A1 (en) 2005-01-21

Family

ID=33488791

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003238781A Abandoned AU2003238781A1 (en) 2003-05-29 2003-05-29 Rotary piston pump with pressure relief

Country Status (2)

Country Link
AU (1) AU2003238781A1 (en)
WO (1) WO2004106742A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112011102000A5 (en) * 2010-06-14 2013-04-04 Schaeffler Technologies AG & Co. KG External gear pump

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642001A (en) * 1950-01-25 1953-06-16 Bump Pump Co Pump by-passing assemblage
US4073605A (en) * 1976-09-15 1978-02-14 Crepaco, Inc. Rotary pump construction with cleaning feature
ZA782350B (en) * 1977-05-26 1979-04-25 Stainless Steel Pumps Ltd Lobe-rotor pump
US4940394A (en) * 1988-10-18 1990-07-10 Baker Hughes, Inc. Adjustable wearplates rotary pump
FR2706541B1 (en) * 1993-06-11 1995-09-08 Renault Vehicules Ind Method for regulating the pressure and discharge flow of a positive displacement pump and positive displacement pump for implementing the method.

Also Published As

Publication number Publication date
WO2004106742A1 (en) 2004-12-09

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase