IT201800020377A1 - Sistema di regolazione della cilindrata di una pompa a cilindrata variabile - Google Patents

Sistema di regolazione della cilindrata di una pompa a cilindrata variabile Download PDF

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Publication number
IT201800020377A1
IT201800020377A1 IT102018000020377A IT201800020377A IT201800020377A1 IT 201800020377 A1 IT201800020377 A1 IT 201800020377A1 IT 102018000020377 A IT102018000020377 A IT 102018000020377A IT 201800020377 A IT201800020377 A IT 201800020377A IT 201800020377 A1 IT201800020377 A1 IT 201800020377A1
Authority
IT
Italy
Prior art keywords
piston
spool
pump
displacement
thrust
Prior art date
Application number
IT102018000020377A
Other languages
English (en)
Italian (it)
Inventor
Pietro Francesco Crosio
Giancarlo Galli
Original Assignee
Vhit S P A Soc Unipersonale
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 Vhit S P A Soc Unipersonale filed Critical Vhit S P A Soc Unipersonale
Priority to IT102018000020377A priority Critical patent/IT201800020377A1/it
Priority to PCT/EP2019/085961 priority patent/WO2020127491A1/fr
Priority to EP19818191.9A priority patent/EP3899282A1/fr
Publication of IT201800020377A1 publication Critical patent/IT201800020377A1/it

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
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
    • F04C14/226—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam by pivoting the cam around an eccentric axis
    • 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
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/18—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber
    • F04C28/22—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
IT102018000020377A 2018-12-20 2018-12-20 Sistema di regolazione della cilindrata di una pompa a cilindrata variabile IT201800020377A1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT102018000020377A IT201800020377A1 (it) 2018-12-20 2018-12-20 Sistema di regolazione della cilindrata di una pompa a cilindrata variabile
PCT/EP2019/085961 WO2020127491A1 (fr) 2018-12-20 2019-12-18 Système d'ajustement de débit pour pompe à débit variable
EP19818191.9A EP3899282A1 (fr) 2018-12-20 2019-12-18 Système d'ajustement de débit pour pompe à débit variable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102018000020377A IT201800020377A1 (it) 2018-12-20 2018-12-20 Sistema di regolazione della cilindrata di una pompa a cilindrata variabile

Publications (1)

Publication Number Publication Date
IT201800020377A1 true IT201800020377A1 (it) 2020-06-20

Family

ID=66166293

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102018000020377A IT201800020377A1 (it) 2018-12-20 2018-12-20 Sistema di regolazione della cilindrata di una pompa a cilindrata variabile

Country Status (3)

Country Link
EP (1) EP3899282A1 (fr)
IT (1) IT201800020377A1 (fr)
WO (1) WO2020127491A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114704676B (zh) * 2022-04-25 2022-12-02 中联重科股份有限公司 单向阀及具有单向阀的液压控制装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10234621A1 (de) * 2002-07-29 2004-02-19 Zf Lenksysteme Gmbh Regeleinrichtung für eine Verstellpumpe, insbesondere eine Flügelzellenpumpe
WO2012113437A1 (fr) * 2011-02-21 2012-08-30 Pierburg Pump Technology Gmbh Pompe à lubrifiant à cylindrée variable avec soupape de régulation de pression munie d'un dispositif de commande de précharge
US20130209302A1 (en) * 2010-12-21 2013-08-15 Aisin Seiki Kabushiki Kaisha Oil pump
WO2015160178A1 (fr) 2014-04-15 2015-10-22 명화공업주식회사 Pompe à huile variable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10234621A1 (de) * 2002-07-29 2004-02-19 Zf Lenksysteme Gmbh Regeleinrichtung für eine Verstellpumpe, insbesondere eine Flügelzellenpumpe
US20130209302A1 (en) * 2010-12-21 2013-08-15 Aisin Seiki Kabushiki Kaisha Oil pump
WO2012113437A1 (fr) * 2011-02-21 2012-08-30 Pierburg Pump Technology Gmbh Pompe à lubrifiant à cylindrée variable avec soupape de régulation de pression munie d'un dispositif de commande de précharge
WO2015160178A1 (fr) 2014-04-15 2015-10-22 명화공업주식회사 Pompe à huile variable

Also Published As

Publication number Publication date
WO2020127491A1 (fr) 2020-06-25
EP3899282A1 (fr) 2021-10-27

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