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IT1241688B - VARIABLE FLOW GEAR PUMP - Google Patents

VARIABLE FLOW GEAR PUMP

Info

Publication number
IT1241688B
IT1241688B IT67722A IT6772290A IT1241688B IT 1241688 B IT1241688 B IT 1241688B IT 67722 A IT67722 A IT 67722A IT 6772290 A IT6772290 A IT 6772290A IT 1241688 B IT1241688 B IT 1241688B
Authority
IT
Italy
Prior art keywords
gear pump
variable flow
flow gear
variable
pump
Prior art date
Application number
IT67722A
Other languages
Italian (it)
Other versions
IT9067722A0 (en
IT9067722A1 (en
Inventor
Elio Bussi
Original Assignee
Elio Bussi
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 Elio Bussi filed Critical Elio Bussi
Priority to IT67722A priority Critical patent/IT1241688B/en
Publication of IT9067722A0 publication Critical patent/IT9067722A0/en
Priority to EP91830381A priority patent/EP0478514A1/en
Publication of IT9067722A1 publication Critical patent/IT9067722A1/en
Application granted granted Critical
Publication of IT1241688B publication Critical patent/IT1241688B/en

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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/185—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction
    • 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
    • F04C2/18—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 similar tooth forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
IT67722A 1990-09-26 1990-09-26 VARIABLE FLOW GEAR PUMP IT1241688B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT67722A IT1241688B (en) 1990-09-26 1990-09-26 VARIABLE FLOW GEAR PUMP
EP91830381A EP0478514A1 (en) 1990-09-26 1991-09-18 Variable delivery gear pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67722A IT1241688B (en) 1990-09-26 1990-09-26 VARIABLE FLOW GEAR PUMP

Publications (3)

Publication Number Publication Date
IT9067722A0 IT9067722A0 (en) 1990-09-26
IT9067722A1 IT9067722A1 (en) 1992-03-26
IT1241688B true IT1241688B (en) 1994-01-31

Family

ID=11304789

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67722A IT1241688B (en) 1990-09-26 1990-09-26 VARIABLE FLOW GEAR PUMP

Country Status (2)

Country Link
EP (1) EP0478514A1 (en)
IT (1) IT1241688B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2265945B (en) * 1992-04-10 1995-07-05 Charles Lee Variable gear pump
DE19947577A1 (en) * 1999-10-01 2000-11-30 Daimler Chrysler Ag Continuously variable conveyor device for flowable media has pair of gearwheels with variable tooth engagement depth and sealing element on one side face and sealing filling element on opposite side face with profiled elements
ITPD20100083A1 (en) * 2010-03-17 2011-09-18 Adriano Baracchi HYDRAULIC MACHINE WITH VARIABLE FLOW
RU2550221C2 (en) * 2010-04-12 2015-05-10 Павол ФИГУРА Gear pump with infinitely-variable output flow rate
BRPI1001768A2 (en) 2010-05-24 2012-01-24 Jose Luiz Bertazzolli continuously variable transmission
RU2511848C1 (en) * 2012-11-06 2014-04-10 Анатолий Константинович Маришкин Adjustable gear-type pump
WO2015131057A2 (en) * 2014-02-28 2015-09-03 Purdue Research Foundation Variable delivery external gear machine
US11022115B2 (en) 2017-06-02 2021-06-01 Purdue Research Foundation Controlled variable delivery external gear machine
DE102018005361A1 (en) * 2018-07-04 2020-01-09 Eberhard Zipplies Hydraulic gear pump with variable delivery volume
DE102018213584A1 (en) * 2018-08-13 2020-02-13 Werner Kownatzki Fluid-flow device
DE102019121786A1 (en) * 2019-08-13 2021-02-18 Hochschule Flensburg Turbo machine
US11621604B2 (en) 2020-02-16 2023-04-04 Purdue Research Foundation Integrated electro-hydraulic machine
DE102020001287A1 (en) 2020-02-27 2021-09-02 Hypneu Gmbh Hydraulik Und Pneumatik Arrangement for the axial sealing of a gearwheel along the tooth flank and the tooth base against a displaceable negative component

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1265407A (en) * 1969-06-26 1972-03-01
US3588295A (en) * 1969-08-29 1971-06-28 Lowell E Burk Variable output gear pump or motor apparatus

Also Published As

Publication number Publication date
EP0478514A1 (en) 1992-04-01
IT9067722A0 (en) 1990-09-26
IT9067722A1 (en) 1992-03-26

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Legal Events

Date Code Title Description
0001 Granted