GB233423A - Improvements in or relating to rotary pumps or the like - Google Patents

Improvements in or relating to rotary pumps or the like

Info

Publication number
GB233423A
GB233423A GB323424A GB323424A GB233423A GB 233423 A GB233423 A GB 233423A GB 323424 A GB323424 A GB 323424A GB 323424 A GB323424 A GB 323424A GB 233423 A GB233423 A GB 233423A
Authority
GB
United Kingdom
Prior art keywords
relating
rotary pumps
pumps
rotary
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
Application number
GB323424A
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.)
Hill Compressor & Pump Co Inc
Original Assignee
Hill Compressor & Pump 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
Application filed by Hill Compressor & Pump Co Inc filed Critical Hill Compressor & Pump Co Inc
Priority to GB323424A priority Critical patent/GB233423A/en
Publication of GB233423A publication Critical patent/GB233423A/en
Expired 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
    • F04C2/10—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
GB323424A 1924-02-07 1924-02-07 Improvements in or relating to rotary pumps or the like Expired GB233423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB323424A GB233423A (en) 1924-02-07 1924-02-07 Improvements in or relating to rotary pumps or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB323424A GB233423A (en) 1924-02-07 1924-02-07 Improvements in or relating to rotary pumps or the like

Publications (1)

Publication Number Publication Date
GB233423A true GB233423A (en) 1925-05-07

Family

ID=9754462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB323424A Expired GB233423A (en) 1924-02-07 1924-02-07 Improvements in or relating to rotary pumps or the like

Country Status (1)

Country Link
GB (1) GB233423A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192054B (en) * 1957-09-21 1965-04-29 Bosch Gmbh Robert Gear pump
EP0301158A2 (en) * 1987-07-27 1989-02-01 Atsugi Unisia Corporation Oil pump
EP0433576A1 (en) * 1989-11-17 1991-06-26 Siegfried A. Dipl.-Ing. Eisenmann Annular gear pump for internal combustion engines and automatic transmissions
GB2245657A (en) * 1990-06-30 1992-01-08 Concentric Pumps Ltd Improvements relating to gerotor pumps.
GB2245935A (en) * 1990-07-11 1992-01-15 Concentric Pumps Ltd Improvements in gerotor pumps.
DE4200883C1 (en) * 1992-01-15 1993-04-15 Siegfried A. Dipl.-Ing. 7960 Aulendorf De Eisenmann
US5226798A (en) * 1989-11-17 1993-07-13 Eisenmann Siegfried A Gear ring pump for internal-combustion engines and automatic transmissions
WO1999011935A1 (en) 1997-09-04 1999-03-11 Sumitomo Electric Industries, Ltd. Internal gear pump
WO2000029720A1 (en) 1998-11-17 2000-05-25 The Ohio State University Research Foundation Fluid energy transfer device
US6676394B2 (en) * 2000-07-21 2004-01-13 Robert Bosch Gmbh Internal-gear pump having a pinion with radial play
US6887056B2 (en) * 2002-03-01 2005-05-03 Mitsubishi Materials Corporation Oil pump rotor
EP1655490A1 (en) * 2003-08-12 2006-05-10 Mitsubishi Materials Corporation Oil pump rotor
EP1382852A3 (en) * 2002-07-18 2006-09-06 Mitsubishi Materials PMG Corporation Internal gear oil pump
US7819645B2 (en) * 2005-08-31 2010-10-26 Diamet Corporation Internal gear pump
US8714951B2 (en) 2011-08-05 2014-05-06 Ener-G-Rotors, Inc. Fluid energy transfer device
US9068456B2 (en) 2010-05-05 2015-06-30 Ener-G-Rotors, Inc. Fluid energy transfer device with improved bearing assemblies

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192054B (en) * 1957-09-21 1965-04-29 Bosch Gmbh Robert Gear pump
EP0301158A2 (en) * 1987-07-27 1989-02-01 Atsugi Unisia Corporation Oil pump
EP0301158A3 (en) * 1987-07-27 1989-08-09 Atsugi Motor Parts Co. Ltd. Oil pump
US5226798A (en) * 1989-11-17 1993-07-13 Eisenmann Siegfried A Gear ring pump for internal-combustion engines and automatic transmissions
EP0433576A1 (en) * 1989-11-17 1991-06-26 Siegfried A. Dipl.-Ing. Eisenmann Annular gear pump for internal combustion engines and automatic transmissions
GB2245657B (en) * 1990-06-30 1994-01-26 Concentric Pumps Ltd Improvements relating to gerotor pumps
GB2245657A (en) * 1990-06-30 1992-01-08 Concentric Pumps Ltd Improvements relating to gerotor pumps.
GB2245935A (en) * 1990-07-11 1992-01-15 Concentric Pumps Ltd Improvements in gerotor pumps.
DE4200883C1 (en) * 1992-01-15 1993-04-15 Siegfried A. Dipl.-Ing. 7960 Aulendorf De Eisenmann
EP0552443A1 (en) 1992-01-15 1993-07-28 Siegfried A. Dipl.-Ing. Eisenmann Gear machine
US5368455A (en) * 1992-01-15 1994-11-29 Eisenmann; Siegfried A. Gear-type machine with flattened cycloidal tooth shapes
US6244843B1 (en) 1997-09-04 2001-06-12 Sumitomo Electric Industries, Ltd. Internal gear pump
WO1999011935A1 (en) 1997-09-04 1999-03-11 Sumitomo Electric Industries, Ltd. Internal gear pump
WO2000029720A1 (en) 1998-11-17 2000-05-25 The Ohio State University Research Foundation Fluid energy transfer device
EP1131536A1 (en) * 1998-11-17 2001-09-12 Ohio State University Research Foundation The Fluid energy transfer device
EP1131536A4 (en) * 1998-11-17 2004-05-12 Ohio State University Rese The Fluid energy transfer device
US6676394B2 (en) * 2000-07-21 2004-01-13 Robert Bosch Gmbh Internal-gear pump having a pinion with radial play
US6887056B2 (en) * 2002-03-01 2005-05-03 Mitsubishi Materials Corporation Oil pump rotor
EP1382852A3 (en) * 2002-07-18 2006-09-06 Mitsubishi Materials PMG Corporation Internal gear oil pump
US7118359B2 (en) 2002-07-18 2006-10-10 Mitsubishi Materials Corporation Oil pump rotor
EP1655490A1 (en) * 2003-08-12 2006-05-10 Mitsubishi Materials Corporation Oil pump rotor
EP1655490A4 (en) * 2003-08-12 2011-06-15 Diamet Corp Oil pump rotor
US7819645B2 (en) * 2005-08-31 2010-10-26 Diamet Corporation Internal gear pump
US9068456B2 (en) 2010-05-05 2015-06-30 Ener-G-Rotors, Inc. Fluid energy transfer device with improved bearing assemblies
US8714951B2 (en) 2011-08-05 2014-05-06 Ener-G-Rotors, Inc. Fluid energy transfer device

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