DE602004010327D1 - Verbesserte Rotationspumpe - Google Patents

Verbesserte Rotationspumpe

Info

Publication number
DE602004010327D1
DE602004010327D1 DE602004010327T DE602004010327T DE602004010327D1 DE 602004010327 D1 DE602004010327 D1 DE 602004010327D1 DE 602004010327 T DE602004010327 T DE 602004010327T DE 602004010327 T DE602004010327 T DE 602004010327T DE 602004010327 D1 DE602004010327 D1 DE 602004010327D1
Authority
DE
Germany
Prior art keywords
rotary pump
improved rotary
improved
pump
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 - Lifetime
Application number
DE602004010327T
Other languages
English (en)
Other versions
DE602004010327T2 (de
Inventor
Robert William Beaven
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.)
Buehler Motor GmbH
Original Assignee
Automotive Motion Technology 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 Automotive Motion Technology Ltd filed Critical Automotive Motion Technology Ltd
Publication of DE602004010327D1 publication Critical patent/DE602004010327D1/de
Application granted granted Critical
Publication of DE602004010327T2 publication Critical patent/DE602004010327T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C2/12—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
    • F04C2/14—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 toothed rotary pistons
    • F04C2/16—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 toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F04C2/165—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 toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel 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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001—Pumps for particular liquids
    • F04C13/002—Pumps for particular liquids for homogeneous viscous liquids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
DE602004010327T 2003-05-08 2004-05-07 Verbesserte Rotationspumpe Expired - Lifetime DE602004010327T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0310518 2003-05-08
GB0310518A GB2401399A (en) 2003-05-08 2003-05-08 Casing wall recesses reduce shear loss in screw pumps

Publications (2)

Publication Number Publication Date
DE602004010327D1 true DE602004010327D1 (de) 2008-01-10
DE602004010327T2 DE602004010327T2 (de) 2008-11-27

Family

ID=9957627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004010327T Expired - Lifetime DE602004010327T2 (de) 2003-05-08 2004-05-07 Verbesserte Rotationspumpe

Country Status (5)

Country Link
US (1) US7275921B2 (de)
EP (1) EP1475536B1 (de)
DE (1) DE602004010327T2 (de)
ES (1) ES2297300T3 (de)
GB (1) GB2401399A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008121479A (ja) * 2006-11-10 2008-05-29 Hitachi Appliances Inc 密閉形スクリュー圧縮機
DE102021107799A1 (de) 2021-03-29 2022-09-29 Bayerische Motoren Werke Aktiengesellschaft Schraubenspindelpumpe zum Fördern eines Betriebsmittels und Kraftfahrzeug
DE102022207330A1 (de) 2022-07-19 2024-01-25 Vitesco Technologies GmbH Spindelpumpenstufe, Fluidfördervorrichtung und Kraftfahrzeug

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1937367A (en) * 1931-08-18 1933-11-28 Harry F Vickers Balanced gear pump or motor
GB471920A (en) 1935-03-14 1937-09-13 Paul Leistritz Screw pump with reduced friction
US2588888A (en) 1949-02-08 1952-03-11 Laval Steam Turbine Co Pump
DE879208C (de) * 1951-06-12 1953-06-11 Eugen Hack Kapselpumpe mit zwei oder mehreren Arbeitsschrauben
DE1134590B (de) * 1957-11-09 1962-08-09 Bosch Gmbh Robert Zahnradpumpe
US3086474A (en) 1960-02-18 1963-04-23 Laval Turbine Screw pump
US3088474A (en) * 1961-10-09 1963-05-07 Gen Motors Corp Dishwashing machine with spray tube rotational speed analyzer
DE2247286A1 (de) 1972-09-27 1974-03-28 Krauss Maffei Ag Schneckenpresse fuer thermoplastische kunststoffe od. dgl
US3833319A (en) * 1973-03-21 1974-09-03 Dowty Hydraulic Units Ltd Positive-displacement liquid-pressure machines and pressure-balanced journal/thrust bushes therefor
DE2411492C2 (de) * 1974-03-11 1984-07-26 Robert Bosch Gmbh, 7000 Stuttgart Zahnradpumpe
JPS59185886A (ja) 1983-04-05 1984-10-22 Toyoda Autom Loom Works Ltd スクリユ−圧縮機
JP2846065B2 (ja) * 1990-06-11 1999-01-13 株式会社日立製作所 液注入式スクリュ流体機械
JP3253426B2 (ja) 1993-08-18 2002-02-04 栃木富士産業株式会社 動力伝達装置
JP2000185886A (ja) * 1998-12-21 2000-07-04 Mitsubishi Electric Building Techno Service Co Ltd エレベーター引き戸の取付方法

Also Published As

Publication number Publication date
EP1475536A2 (de) 2004-11-10
GB0310518D0 (en) 2003-06-11
US20040228745A1 (en) 2004-11-18
EP1475536A3 (de) 2005-05-25
US7275921B2 (en) 2007-10-02
EP1475536B1 (de) 2007-11-28
ES2297300T3 (es) 2008-05-01
DE602004010327T2 (de) 2008-11-27
GB2401399A (en) 2004-11-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BUEHLER MOTOR GMBH, 90459 NUERNBERG, DE