EP1291526A3 - Pompe à engrenages - Google Patents

Pompe à engrenages Download PDF

Info

Publication number
EP1291526A3
EP1291526A3 EP02020146A EP02020146A EP1291526A3 EP 1291526 A3 EP1291526 A3 EP 1291526A3 EP 02020146 A EP02020146 A EP 02020146A EP 02020146 A EP02020146 A EP 02020146A EP 1291526 A3 EP1291526 A3 EP 1291526A3
Authority
EP
European Patent Office
Prior art keywords
bushings
gears
gear pump
rotors
resultant
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
EP02020146A
Other languages
German (de)
English (en)
Other versions
EP1291526B2 (fr
EP1291526B1 (fr
EP1291526A2 (fr
Inventor
Mario Antonio Morselli
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.)
Settima Meccanica Srl - A Socio Unico Soc
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11439585&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1291526(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP1291526A2 publication Critical patent/EP1291526A2/fr
Publication of EP1291526A3 publication Critical patent/EP1291526A3/fr
Application granted granted Critical
Publication of EP1291526B1 publication Critical patent/EP1291526B1/fr
Publication of EP1291526B2 publication Critical patent/EP1291526B2/fr
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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
EP02020146.3A 2001-09-07 2002-09-09 Pompe à engrenages Expired - Lifetime EP1291526B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001BO000540A ITBO20010540A1 (it) 2001-09-07 2001-09-07 Perfezionamenti in una pompa volumetrica rotativa
ITBO20010540 2001-09-07

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP10186253.0 Division-Into 2010-10-01

Publications (4)

Publication Number Publication Date
EP1291526A2 EP1291526A2 (fr) 2003-03-12
EP1291526A3 true EP1291526A3 (fr) 2003-11-12
EP1291526B1 EP1291526B1 (fr) 2014-03-05
EP1291526B2 EP1291526B2 (fr) 2020-03-18

Family

ID=11439585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02020146.3A Expired - Lifetime EP1291526B2 (fr) 2001-09-07 2002-09-09 Pompe à engrenages

Country Status (2)

Country Link
EP (1) EP1291526B2 (fr)
IT (1) ITBO20010540A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2063126A3 (fr) * 2007-11-22 2014-03-12 Robert Bosch GmbH Machine hydraulique à roue dentée et procédé d'étanchéification d'une machine hydraulique à roue dentée
DE102009012916A1 (de) * 2009-03-12 2010-09-16 Robert Bosch Gmbh Hydraulische Zahnradmaschine
DE102009012853A1 (de) 2009-03-12 2010-09-16 Robert Bosch Gmbh Hydraulische Zahnradmaschine
DE102009012856A1 (de) 2009-03-12 2010-09-16 Robert Bosch Gmbh Hydraulische Zahnradmaschine
DE102009012854A1 (de) 2009-03-12 2010-09-16 Robert Bosch Gmbh Hydraulische Zahnradmaschine
CN101586561B (zh) * 2009-05-22 2011-12-28 王良仁 高压齿轮油泵
DE102010005900A1 (de) 2010-01-27 2011-07-28 Robert Bosch GmbH, 70469 Hydraulische Zahnradmaschine
JP6119748B2 (ja) * 2012-06-11 2017-04-26 株式会社島津製作所 歯車ポンプ又はモータ
WO2014141377A1 (fr) * 2013-03-12 2014-09-18 株式会社 島津製作所 Pompe ou moteur à roue dentée
JP5761283B2 (ja) * 2013-09-18 2015-08-12 ダイキン工業株式会社 ギヤポンプまたはギヤモータ
DE112014005509A5 (de) * 2013-12-03 2016-09-29 Oerlikon Textile Gmbh & Co. Kg Zahnradpumpe
JP2021042730A (ja) 2019-09-12 2021-03-18 株式会社島津製作所 歯車ポンプ又は歯車モータ

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756684A (en) * 1954-11-12 1956-07-31 Sier Bath Gear And Pump Co Inc Rotary gear-type pump
US2855855A (en) * 1949-06-30 1958-10-14 Thompson Prod Inc High pressure pump
US2891483A (en) * 1956-04-13 1959-06-23 Thompson Ramo Wooldridge Inc Movable bushing for pressure loaded gear pumps
GB880539A (en) * 1959-04-15 1961-10-25 Clark Equipment Co Pressure loaded gear pump
FR1343908A (fr) * 1962-11-22 1963-11-22 Clark Equipment Co Pompe ou moteur
US5641281A (en) * 1995-11-20 1997-06-24 Lci Corporation Lubricating means for a gear pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981200A (en) 1956-10-05 1961-04-25 Parker Appliance Co Gear pump structure
FR1197750A (fr) 1958-01-06 1959-12-02 Pompe à engrenage exempte de poussée axiale
GB908687A (en) 1960-03-01 1962-10-24 Bosch Gmbh Robert Improvements in and relating to hydraulic machines operable as rotary pumps or motors
GB1181224A (en) 1966-06-20 1970-02-11 Dowty Hydraulic Units Ltd Gearing and Lubricating Means Therefor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855855A (en) * 1949-06-30 1958-10-14 Thompson Prod Inc High pressure pump
US2756684A (en) * 1954-11-12 1956-07-31 Sier Bath Gear And Pump Co Inc Rotary gear-type pump
US2891483A (en) * 1956-04-13 1959-06-23 Thompson Ramo Wooldridge Inc Movable bushing for pressure loaded gear pumps
GB880539A (en) * 1959-04-15 1961-10-25 Clark Equipment Co Pressure loaded gear pump
FR1343908A (fr) * 1962-11-22 1963-11-22 Clark Equipment Co Pompe ou moteur
US5641281A (en) * 1995-11-20 1997-06-24 Lci Corporation Lubricating means for a gear pump

Also Published As

Publication number Publication date
EP1291526B2 (fr) 2020-03-18
ITBO20010540A1 (it) 2003-03-07
EP1291526B1 (fr) 2014-03-05
ITBO20010540A0 (it) 2001-09-07
EP1291526A2 (fr) 2003-03-12

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