GB2337303B - High efficiency gear pump - Google Patents

High efficiency gear pump

Info

Publication number
GB2337303B
GB2337303B GB9920423A GB9920423A GB2337303B GB 2337303 B GB2337303 B GB 2337303B GB 9920423 A GB9920423 A GB 9920423A GB 9920423 A GB9920423 A GB 9920423A GB 2337303 B GB2337303 B GB 2337303B
Authority
GB
United Kingdom
Prior art keywords
high efficiency
gear pump
efficiency gear
pump
gear
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
GB9920423A
Other versions
GB9920423D0 (en
GB2337303A (en
Inventor
James G Steinrock
Jerry R Barning
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.)
Cummins Inc
Original Assignee
Cummins Engine Co 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
Priority claimed from US09/062,707 external-priority patent/US6031321A/en
Application filed by Cummins Engine Co Inc filed Critical Cummins Engine Co Inc
Priority claimed from PCT/US1998/027539 external-priority patent/WO1999034116A1/en
Publication of GB9920423D0 publication Critical patent/GB9920423D0/en
Publication of GB2337303A publication Critical patent/GB2337303A/en
Application granted granted Critical
Publication of GB2337303B publication Critical patent/GB2337303B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels
    • 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
    • F04C2210/24—Fluid mixed, e.g. two-phase fluid
GB9920423A 1997-12-31 1998-12-30 High efficiency gear pump Expired - Fee Related GB2337303B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7029997P 1997-12-31 1997-12-31
US09/062,707 US6031321A (en) 1998-04-20 1998-04-20 Infrared thermal lamp
PCT/US1998/027539 WO1999034116A1 (en) 1997-12-31 1998-12-30 High efficiency gear pump

Publications (3)

Publication Number Publication Date
GB9920423D0 GB9920423D0 (en) 1999-11-03
GB2337303A GB2337303A (en) 1999-11-17
GB2337303B true GB2337303B (en) 2002-05-01

Family

ID=26742602

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9920423A Expired - Fee Related GB2337303B (en) 1997-12-31 1998-12-30 High efficiency gear pump

Country Status (1)

Country Link
GB (1) GB2337303B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE355193C (en) * 1921-06-02 1922-06-22 Wilhelm Hartmann Sealing of the piston of air or liquid pumps with a rotating piston
GB609108A (en) * 1946-03-06 1948-09-24 Brown David & Sons Ltd An improvements in or relating to gear-type rotary pumps
SU1420244A1 (en) * 1987-01-29 1988-08-30 Кировоградский Завод Гидравлических Силовых Машин Им.Хху Съезда Кпсс "Гидросила" Gear-type hydraulic machine
SU1495510A1 (en) * 1987-09-18 1989-07-23 Кировоградский Завод Гидравлических Силовых Машин "Гидросила" Им.Хху Съезда Кпсс Type hydraulic machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE355193C (en) * 1921-06-02 1922-06-22 Wilhelm Hartmann Sealing of the piston of air or liquid pumps with a rotating piston
GB609108A (en) * 1946-03-06 1948-09-24 Brown David & Sons Ltd An improvements in or relating to gear-type rotary pumps
SU1420244A1 (en) * 1987-01-29 1988-08-30 Кировоградский Завод Гидравлических Силовых Машин Им.Хху Съезда Кпсс "Гидросила" Gear-type hydraulic machine
SU1495510A1 (en) * 1987-09-18 1989-07-23 Кировоградский Завод Гидравлических Силовых Машин "Гидросила" Им.Хху Съезда Кпсс Type hydraulic machine

Also Published As

Publication number Publication date
GB9920423D0 (en) 1999-11-03
GB2337303A (en) 1999-11-17

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Legal Events

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

Effective date: 20041230