EP2265820A4 - Gear pumps and methods for using gear pumps - Google Patents

Gear pumps and methods for using gear pumps

Info

Publication number
EP2265820A4
EP2265820A4 EP09729612.3A EP09729612A EP2265820A4 EP 2265820 A4 EP2265820 A4 EP 2265820A4 EP 09729612 A EP09729612 A EP 09729612A EP 2265820 A4 EP2265820 A4 EP 2265820A4
Authority
EP
European Patent Office
Prior art keywords
gear pumps
methods
pumps
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.)
Withdrawn
Application number
EP09729612.3A
Other languages
German (de)
French (fr)
Other versions
EP2265820A2 (en
Inventor
Sven Wieczorek
Kevin J Cully
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.)
Nestec SA
Original Assignee
Nestec SA
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 Nestec SA filed Critical Nestec SA
Publication of EP2265820A2 publication Critical patent/EP2265820A2/en
Publication of EP2265820A4 publication Critical patent/EP2265820A4/en
Withdrawn legal-status Critical Current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
    • 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
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid
    • F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps
    • 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
    • F04C2240/50—Bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP09729612.3A 2008-04-09 2009-04-02 Gear pumps and methods for using gear pumps Withdrawn EP2265820A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12354508P 2008-04-09 2008-04-09
PCT/US2009/002071 WO2009126223A2 (en) 2008-04-09 2009-04-02 Gear pumps and methods for using gear pumps

Publications (2)

Publication Number Publication Date
EP2265820A2 EP2265820A2 (en) 2010-12-29
EP2265820A4 true EP2265820A4 (en) 2015-03-18

Family

ID=41162436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09729612.3A Withdrawn EP2265820A4 (en) 2008-04-09 2009-04-02 Gear pumps and methods for using gear pumps

Country Status (11)

Country Link
US (1) US20110103992A1 (en)
EP (1) EP2265820A4 (en)
JP (1) JP5554321B2 (en)
CN (1) CN102014652A (en)
AU (1) AU2009234479A1 (en)
BR (1) BRPI0911262A2 (en)
CA (1) CA2721316A1 (en)
MX (1) MX2010010967A (en)
RU (1) RU2493751C2 (en)
WO (1) WO2009126223A2 (en)
ZA (1) ZA201007982B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5623371B2 (en) * 2011-11-25 2014-11-12 日立オートモティブシステムズ株式会社 Pump device
CN103352847B (en) * 2013-07-08 2016-01-20 常熟康尼格科技有限公司 The sealing configuration of low-pressure injection molding dedicated gear pump torque input shaft
CN104005951B (en) * 2014-02-12 2016-08-31 温州思普机器有限公司 Gear pump for fuel charger
CN106168211B (en) * 2015-05-06 2020-03-03 凯斯帕公司 Gear pump
EP3096015B1 (en) * 2015-05-20 2019-12-04 Casappa S.p.A. Gear pump
GB201518619D0 (en) * 2015-10-21 2015-12-02 Rolls Royce Controls & Data Services Ltd Gear Pump

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH626950A5 (en) * 1978-04-07 1981-12-15 Maag Zahnraeder & Maschinen Ag
US4600318A (en) * 1985-08-01 1986-07-15 Sundstrand Corporation Thrust bearing and seal assembly
DE59303699D1 (en) * 1992-03-06 1996-10-17 Berstorff Gmbh Masch Hermann Device for processing highly viscous rubber or thermoplastic
US5417556A (en) * 1994-03-08 1995-05-23 Alliedsignal Inc. Bearing for gear pump
US5553867A (en) * 1995-04-21 1996-09-10 Environamics Corporation Triple cartridge seal having one inboard and two concentric seals for chemical processing pump
IN181843B (en) * 1995-04-28 1998-10-03 Nestle Sa
US5769427A (en) * 1995-09-13 1998-06-23 Chesterton International Company Dual seal with clean barrier fluid and dynamic pressure control
US5769545A (en) * 1996-12-04 1998-06-23 Bently Nevada Corporation Hydrostatic bearing for supporting rotating equipment, a fluid handling system associated therewith, a control system therefore, method and apparatus
DE19710804A1 (en) * 1997-03-17 1998-09-24 Geraete Und Pumpenbau Gmbh Gear pump for conveying fluids
US6808374B2 (en) * 2000-10-20 2004-10-26 Niagara Pump Corporation Sanitary design gear pump
JP2006183609A (en) * 2004-12-28 2006-07-13 Bridgestone Corp Seal means and ejector having the same
CN1873228A (en) * 2006-05-30 2006-12-06 董春栋 A gear pump
JP2009052481A (en) * 2007-08-27 2009-03-12 Bridgestone Corp Fluid discharge device and extruder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
WO2009126223A2 (en) 2009-10-15
JP2011518276A (en) 2011-06-23
ZA201007982B (en) 2012-06-27
CN102014652A (en) 2011-04-13
CA2721316A1 (en) 2009-10-15
WO2009126223A8 (en) 2010-11-18
EP2265820A2 (en) 2010-12-29
WO2009126223A3 (en) 2010-01-14
MX2010010967A (en) 2010-11-05
AU2009234479A1 (en) 2009-10-15
RU2010145322A (en) 2012-05-20
US20110103992A1 (en) 2011-05-05
JP5554321B2 (en) 2014-07-23
RU2493751C2 (en) 2013-09-27
BRPI0911262A2 (en) 2015-07-28

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Legal Events

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