ITUB20153995A1 - Circuito idraulico per uso su un veicolo CVT. - Google Patents

Circuito idraulico per uso su un veicolo CVT.

Info

Publication number
ITUB20153995A1
ITUB20153995A1 ITUB2015A003995A ITUB20153995A ITUB20153995A1 IT UB20153995 A1 ITUB20153995 A1 IT UB20153995A1 IT UB2015A003995 A ITUB2015A003995 A IT UB2015A003995A IT UB20153995 A ITUB20153995 A IT UB20153995A IT UB20153995 A1 ITUB20153995 A1 IT UB20153995A1
Authority
IT
Italy
Prior art keywords
hydraulic circuit
cvt vehicle
cvt
vehicle
hydraulic
Prior art date
Application number
ITUB2015A003995A
Other languages
English (en)
Inventor
Pasquale Digesu'
Paolo Casali
Maurizio Vescovini
Original Assignee
Cnh Ind Italia Spa
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 Cnh Ind Italia Spa filed Critical Cnh Ind Italia Spa
Priority to ITUB2015A003995A priority Critical patent/ITUB20153995A1/it
Priority to PCT/EP2016/072736 priority patent/WO2017055191A1/en
Priority to CN201680056830.3A priority patent/CN108138951B/zh
Priority to EP16770288.5A priority patent/EP3356704B1/en
Priority to US15/764,086 priority patent/US10655649B2/en
Priority to BR112018005846-7A priority patent/BR112018005846B1/pt
Publication of ITUB20153995A1 publication Critical patent/ITUB20153995A1/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/16—Controlling lubricant pressure or quantity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/007—Overload
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
    • F16H57/0436—Pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
    • F16H57/0441—Arrangements of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0021—Generation or control of line pressure
    • F16H61/0025—Supply of control fluid; Pumps therefor
    • F16H61/0031—Supply of control fluid; Pumps therefor using auxiliary pumps, e.g. pump driven by a different power source than the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4078—Fluid exchange between hydrostatic circuits and external sources or consumers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0246—Adjustable pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0253—Pressure lubrication using lubricating pumps characterised by the pump driving means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0021—Generation or control of line pressure
    • F16H2061/0037—Generation or control of line pressure characterised by controlled fluid supply to lubrication circuits of the gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)
ITUB2015A003995A 2015-09-29 2015-09-29 Circuito idraulico per uso su un veicolo CVT. ITUB20153995A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ITUB2015A003995A ITUB20153995A1 (it) 2015-09-29 2015-09-29 Circuito idraulico per uso su un veicolo CVT.
PCT/EP2016/072736 WO2017055191A1 (en) 2015-09-29 2016-09-23 Hydraulic circuit for use on cvt vehicle
CN201680056830.3A CN108138951B (zh) 2015-09-29 2016-09-23 用于在cvt车辆上使用的液压回路
EP16770288.5A EP3356704B1 (en) 2015-09-29 2016-09-23 Hydraulic circuit for use on cvt vehicle
US15/764,086 US10655649B2 (en) 2015-09-29 2016-09-23 Hydraulic circuit for use on CVT vehicle
BR112018005846-7A BR112018005846B1 (pt) 2015-09-29 2016-09-23 Circuito hidráulico e método para suprir fluido hidráulico para um veículo de trabalho

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A003995A ITUB20153995A1 (it) 2015-09-29 2015-09-29 Circuito idraulico per uso su un veicolo CVT.

Publications (1)

Publication Number Publication Date
ITUB20153995A1 true ITUB20153995A1 (it) 2017-03-29

Family

ID=55070064

Family Applications (1)

Application Number Title Priority Date Filing Date
ITUB2015A003995A ITUB20153995A1 (it) 2015-09-29 2015-09-29 Circuito idraulico per uso su un veicolo CVT.

Country Status (6)

Country Link
US (1) US10655649B2 (it)
EP (1) EP3356704B1 (it)
CN (1) CN108138951B (it)
BR (1) BR112018005846B1 (it)
IT (1) ITUB20153995A1 (it)
WO (1) WO2017055191A1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6750476B2 (ja) * 2016-11-25 2020-09-02 いすゞ自動車株式会社 油圧制御装置
US11421776B2 (en) * 2017-12-21 2022-08-23 Volvo Truck Corporation Auxiliary transmission brake arrangement
JP2020163983A (ja) * 2019-03-29 2020-10-08 アイシン・エィ・ダブリュ株式会社 車両用駆動装置
IT201900011391A1 (it) 2019-07-10 2021-01-10 Ge Avio Srl Impianto di lubrificazione
DE102019215975A1 (de) * 2019-10-17 2021-04-22 Deere & Company Hydraulische Anordnung
CN112983805B (zh) * 2019-12-13 2025-06-03 山河智能装备股份有限公司 一种开式液压泵及开式液压系统
WO2021114668A1 (zh) * 2019-12-13 2021-06-17 山河智能装备股份有限公司 一种开式液压泵及开式液压系统
JP2022054502A (ja) * 2020-09-28 2022-04-07 学校法人立命館 液圧駆動回路
JP7557632B2 (ja) * 2022-03-18 2024-09-27 日立建機株式会社 車両用動力伝達装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100126163A1 (en) * 2007-04-20 2010-05-27 Toyota Jidosha Kabushiki Kaisha Hydraulic control unit
US20110272239A1 (en) * 2009-01-29 2011-11-10 Komatsu Ltd. Hydraulic system for working vehicle
US20130152565A1 (en) * 2011-12-16 2013-06-20 Pengfei Ma Hydraulic system having energy recovery
WO2014174050A1 (en) * 2013-04-24 2014-10-30 Carraro Drive Tech S.P.A. Hydraulic circuit for the transmissions of industrial and agricultural vehicles

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US3945208A (en) * 1974-01-02 1976-03-23 Allis-Chalmers Corporation Filtration for integrated tractor hydraulic system
US4517800A (en) * 1980-10-31 1985-05-21 Kabushiki Kaisha Komatsu Seisakusho Hydraulic control system for off-highway self-propelled work machines
US5313795A (en) * 1992-12-17 1994-05-24 Case Corporation Control system with tri-pressure selector network
US5615553A (en) * 1995-06-28 1997-04-01 Case Corporation Hydraulic circuit with load sensing feature
US5975257A (en) * 1996-09-04 1999-11-02 Komatsu Mining Systems Inc. Method and apparatus for separating steering oil and brake cooling oil within a hydraulic tank
US5875630A (en) * 1997-06-10 1999-03-02 Sauer Inc. Hydraulic drive assembly
JPH11115780A (ja) * 1997-10-15 1999-04-27 Komatsu Ltd 作業車両用ステアリングポンプの容量制御方法および装置
JP5553614B2 (ja) * 2007-02-21 2014-07-16 シェフラー テクノロジーズ アクチエンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト 液圧システム
US7954317B2 (en) * 2007-12-21 2011-06-07 Deere & Company Hydraulic system
GB2474670B (en) * 2009-10-22 2017-01-04 Gm Global Tech Operations Llc Pump arrangement
KR20130060046A (ko) * 2011-11-29 2013-06-07 현대자동차주식회사 자동변속기의 유압제어장치
JP5825719B2 (ja) * 2012-03-22 2015-12-02 Ｋｙｂ株式会社 ミキサドラム駆動装置
KR101394039B1 (ko) * 2012-09-03 2014-05-12 현대자동차 주식회사 차량용 자동변속기의 유압공급시스템
JP5852554B2 (ja) * 2012-12-21 2016-02-03 本田技研工業株式会社 自動変速機の油圧供給装置
KR101490915B1 (ko) * 2013-07-29 2015-02-06 현대자동차 주식회사 차량용 자동변속기의 유압공급시스템
US9671009B2 (en) * 2014-10-22 2017-06-06 Deere & Company Pressure and flow compensated hydraulic system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100126163A1 (en) * 2007-04-20 2010-05-27 Toyota Jidosha Kabushiki Kaisha Hydraulic control unit
US20110272239A1 (en) * 2009-01-29 2011-11-10 Komatsu Ltd. Hydraulic system for working vehicle
US20130152565A1 (en) * 2011-12-16 2013-06-20 Pengfei Ma Hydraulic system having energy recovery
WO2014174050A1 (en) * 2013-04-24 2014-10-30 Carraro Drive Tech S.P.A. Hydraulic circuit for the transmissions of industrial and agricultural vehicles

Also Published As

Publication number Publication date
US10655649B2 (en) 2020-05-19
EP3356704B1 (en) 2019-07-10
BR112018005846A2 (pt) 2018-10-09
US20180274564A1 (en) 2018-09-27
CN108138951B (zh) 2019-11-12
BR112018005846B1 (pt) 2023-03-28
EP3356704A1 (en) 2018-08-08
WO2017055191A1 (en) 2017-04-06
CN108138951A (zh) 2018-06-08

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