EP0147567A3 - Gear pump, particularly for medical purposes - Google Patents

Gear pump, particularly for medical purposes Download PDF

Info

Publication number
EP0147567A3
EP0147567A3 EP84113140A EP84113140A EP0147567A3 EP 0147567 A3 EP0147567 A3 EP 0147567A3 EP 84113140 A EP84113140 A EP 84113140A EP 84113140 A EP84113140 A EP 84113140A EP 0147567 A3 EP0147567 A3 EP 0147567A3
Authority
EP
European Patent Office
Prior art keywords
gear pump
medical purposes
medical
purposes
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.)
Granted
Application number
EP84113140A
Other languages
German (de)
Other versions
EP0147567A2 (en
EP0147567B1 (en
Inventor
Wolfgang Zenglein
Franz-Josef Weinbeer
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.)
Fresenius SE and Co KGaA
Original Assignee
Fresenius SE and Co KGaA
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 Fresenius SE and Co KGaA filed Critical Fresenius SE and Co KGaA
Publication of EP0147567A2 publication Critical patent/EP0147567A2/en
Publication of EP0147567A3 publication Critical patent/EP0147567A3/en
Application granted granted Critical
Publication of EP0147567B1 publication Critical patent/EP0147567B1/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
    • F04C2/082—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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C15/0069—Magnetic couplings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]
EP84113140A 1983-11-10 1984-10-31 Gear pump, particularly for medical purposes Expired EP0147567B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3340748A DE3340748C2 (en) 1983-11-10 1983-11-10 Gear pumps, in particular for medical purposes
DE3340748 1983-11-10

Publications (3)

Publication Number Publication Date
EP0147567A2 EP0147567A2 (en) 1985-07-10
EP0147567A3 true EP0147567A3 (en) 1986-01-08
EP0147567B1 EP0147567B1 (en) 1988-08-31

Family

ID=6214018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84113140A Expired EP0147567B1 (en) 1983-11-10 1984-10-31 Gear pump, particularly for medical purposes

Country Status (3)

Country Link
US (1) US4583924A (en)
EP (1) EP0147567B1 (en)
DE (2) DE3340748C2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2668208A1 (en) * 1990-10-22 1992-04-24 Bavouzet Michel PUMP AND / OR ENGINE HYDRAULIC ENGINE OPERATING WITH WATER.
EP0583003A1 (en) * 1992-08-13 1994-02-16 Perseptive Biosystems, Inc. Fluid metering, mixing and composition control system
DE19710804A1 (en) * 1997-03-17 1998-09-24 Geraete Und Pumpenbau Gmbh Gear pump for conveying fluids
DE19725462A1 (en) * 1997-06-16 1998-12-24 Storz Endoskop Gmbh Medical gear pump for suction and rinsing
US7287398B2 (en) 2001-09-25 2007-10-30 Alsius Corporation Heating/cooling system for indwelling heat exchange catheter
DE19842016A1 (en) * 1998-09-14 2000-03-16 Backes Claus H High efficiency gear pump suited to medical applications combines best attributes of peristaltic and piston pumps, by including resilience and oversize in rotor combination, eliminating leakage
DE19915784C2 (en) * 1999-04-08 2001-03-01 Fresenius Medical Care De Gmbh Gear pump, in particular for medical purposes
FR2794188B1 (en) * 1999-05-28 2001-08-10 Hydroperfect Internat GEAR HYDRAULIC PUMP
US6325604B1 (en) * 2000-03-29 2001-12-04 Benjamin R. Du Plastic gear pump housing
US6730123B1 (en) * 2000-06-22 2004-05-04 Proteus Vision, Llc Adjustable intraocular lens
US6551070B2 (en) * 2001-08-22 2003-04-22 Micropump, Inc., A Unit Of Idex Corporation Devices and methods for noise suppression in pumps
ES2616761T3 (en) * 2004-07-30 2017-06-14 Pulsafeeder, Inc. Gear pump with magnetic coupling assembly
US20060047065A1 (en) * 2004-08-30 2006-03-02 Wiebke Becker Aqueous coating compositions based on acrylate copolymers
DE102005042040B3 (en) * 2005-09-02 2007-05-16 Fresenius Medical Care De Gmbh gear pump
TW200719126A (en) * 2005-11-01 2007-05-16 Sunonwealth Electr Mach Ind Co Compact fluid pump
JP2009299471A (en) * 2008-04-24 2009-12-24 Daito Kogyo Kk Gear pump having magnetic coupling mechanism
US8047825B2 (en) * 2007-04-09 2011-11-01 United Technologies Corporation Fluoropolymer-containing films for use with positive-displacement fluid pumps
DK3786416T3 (en) * 2019-08-29 2021-12-20 Thomas Michael Wollmann SELF-ADJUSTING GEAR PUMP

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB638936A (en) * 1946-11-12 1950-06-21 Sigma Improvements in gearing applicable to gear pumps
FR1139203A (en) * 1952-01-15 1957-06-26 Gear pump
GB1002766A (en) * 1961-09-05 1965-08-25 Coy Mfg Company Improvements in gear pumps
DE2724716A1 (en) * 1976-06-01 1977-12-15 Tuthill Pump Co GEAR PUMP

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE589418C (en) * 1933-12-08 Johannes Lambeck Gear pump, especially for pumping cellulose solutions
GB422011A (en) * 1933-03-28 1935-01-03 Barmag Barmer Maschf Toothed wheel pump for artificial silk spinning machines
US2302966A (en) * 1940-01-02 1942-11-24 Bendix Aviat Corp Pump
US2672823A (en) * 1948-01-12 1954-03-23 Waterous Co Rotary pump
GB828159A (en) * 1955-07-12 1960-02-17 Straumann Inst Ag Improvements in bearings for movable parts which are subject to friction
FR1194511A (en) * 1958-03-05 1959-11-10 Open casing powder pump
US3010733A (en) * 1959-09-24 1961-11-28 Jamco Inc Idler arm bearing and assembly
FR1299342A (en) * 1961-09-04 1962-07-20 Coy Mfg Company Gear pump
US3240095A (en) * 1962-03-05 1966-03-15 Steinway & Sons Piano action bushing assembly
US3283358A (en) * 1964-09-16 1966-11-08 Richard S Merriam Heavy duty caster
FR1593463A (en) * 1967-12-04 1970-05-25
US3716306A (en) * 1971-03-31 1973-02-13 Micropump Corp Gear pump construction
DE3045192C2 (en) * 1980-12-01 1983-10-27 Fresenius AG, 6380 Bad Homburg Gear pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB638936A (en) * 1946-11-12 1950-06-21 Sigma Improvements in gearing applicable to gear pumps
FR1139203A (en) * 1952-01-15 1957-06-26 Gear pump
GB1002766A (en) * 1961-09-05 1965-08-25 Coy Mfg Company Improvements in gear pumps
DE2724716A1 (en) * 1976-06-01 1977-12-15 Tuthill Pump Co GEAR PUMP

Also Published As

Publication number Publication date
EP0147567A2 (en) 1985-07-10
US4583924A (en) 1986-04-22
EP0147567B1 (en) 1988-08-31
DE3340748C2 (en) 1986-09-25
DE3340748A1 (en) 1985-05-30
DE3473785D1 (en) 1988-10-06

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