GB2443089B - Improvements in gerotor pump performance - Google Patents

Improvements in gerotor pump performance

Info

Publication number
GB2443089B
GB2443089B GB0720439A GB0720439A GB2443089B GB 2443089 B GB2443089 B GB 2443089B GB 0720439 A GB0720439 A GB 0720439A GB 0720439 A GB0720439 A GB 0720439A GB 2443089 B GB2443089 B GB 2443089B
Authority
GB
United Kingdom
Prior art keywords
pump performance
gerotor pump
gerotor
performance
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.)
Expired - Fee Related
Application number
GB0720439A
Other versions
GB2443089A (en
GB0720439D0 (en
Inventor
Stephen Mark Hodge
Kevin Johanson
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.)
CONCENTRIC VFP Ltd
Original Assignee
CONCENTRIC VFP Ltd
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 CONCENTRIC VFP Ltd filed Critical CONCENTRIC VFP Ltd
Publication of GB0720439D0 publication Critical patent/GB0720439D0/en
Publication of GB2443089A publication Critical patent/GB2443089A/en
Application granted granted Critical
Publication of GB2443089B publication Critical patent/GB2443089B/en
Expired - Fee Related 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
    • 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
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control 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
    • 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
    • F04C14/22—Control 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
    • F04C14/223—Control 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
    • F04C14/226—Control 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 by pivoting the cam around an eccentric axis
    • 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
    • F04C2210/00—Fluid
    • F04C2210/14—Lubricant
    • 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
    • F04C2210/00—Fluid
    • F04C2210/20—Fluid liquid, i.e. incompressible
    • 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
    • F04C2240/00—Components
    • F04C2240/20—Rotors
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/20—Flow
GB0720439A 2006-10-18 2007-10-18 Improvements in gerotor pump performance Expired - Fee Related GB2443089B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0620648A GB0620648D0 (en) 2006-10-18 2006-10-18 Improvements in gerotor pump performance

Publications (3)

Publication Number Publication Date
GB0720439D0 GB0720439D0 (en) 2007-11-28
GB2443089A GB2443089A (en) 2008-04-23
GB2443089B true GB2443089B (en) 2011-03-30

Family

ID=37507914

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0620648A Ceased GB0620648D0 (en) 2006-10-18 2006-10-18 Improvements in gerotor pump performance
GB0720439A Expired - Fee Related GB2443089B (en) 2006-10-18 2007-10-18 Improvements in gerotor pump performance

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0620648A Ceased GB0620648D0 (en) 2006-10-18 2006-10-18 Improvements in gerotor pump performance

Country Status (1)

Country Link
GB (2) GB0620648D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20080686A1 (en) * 2008-11-13 2010-05-14 Cnh Italia Spa GEROTOR TYPE PUMP
CN104329250B (en) * 2014-09-03 2016-06-29 浙江大学 A kind of low-flux pulse double-direction gearpump
DE102015001235A1 (en) * 2015-02-03 2016-08-04 Man Truck & Bus Ag Method for operating a gear pump and gear pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231563B (en) * 1963-01-16 1966-12-29 Danfoss As Adjustable gear pump
EP0565340A1 (en) * 1992-04-08 1993-10-13 Concentric Pumps Limited Variable output internal pump
GB2313411A (en) * 1996-05-25 1997-11-26 Concentric Pumps Ltd Hydrostatic drive with variable output pump
WO2004003345A1 (en) * 2002-06-26 2004-01-08 Vhit S.P.A. Internal gear machine with variable capacity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231563B (en) * 1963-01-16 1966-12-29 Danfoss As Adjustable gear pump
EP0565340A1 (en) * 1992-04-08 1993-10-13 Concentric Pumps Limited Variable output internal pump
GB2313411A (en) * 1996-05-25 1997-11-26 Concentric Pumps Ltd Hydrostatic drive with variable output pump
WO2004003345A1 (en) * 2002-06-26 2004-01-08 Vhit S.P.A. Internal gear machine with variable capacity

Also Published As

Publication number Publication date
GB2443089A (en) 2008-04-23
GB0720439D0 (en) 2007-11-28
GB0620648D0 (en) 2006-11-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20171018