NO811979L - Hydraulisk kretsanordning. - Google Patents

Hydraulisk kretsanordning.

Info

Publication number
NO811979L
NO811979L NO81811979A NO811979A NO811979L NO 811979 L NO811979 L NO 811979L NO 81811979 A NO81811979 A NO 81811979A NO 811979 A NO811979 A NO 811979A NO 811979 L NO811979 L NO 811979L
Authority
NO
Norway
Prior art keywords
pressure
line
valve
main pump
controlled valve
Prior art date
Application number
NO81811979A
Other languages
English (en)
Norwegian (no)
Inventor
Hisaaki Nishimune
Yoshikuna Ichimura
Kentaro Hata
Original Assignee
Kawasaki Heavy Ind Ltd
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
Priority claimed from JP7689380A external-priority patent/JPS572486A/ja
Priority claimed from JP7957280A external-priority patent/JPS565446A/ja
Application filed by Kawasaki Heavy Ind Ltd filed Critical Kawasaki Heavy Ind Ltd
Publication of NO811979L publication Critical patent/NO811979L/no

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details
    • B66D1/40Control devices
    • B66D1/48Control devices automatic
    • B66D1/50Control devices automatic for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchors; Warping or mooring winch-cable tension control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20538Type of pump constant capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20546Type of pump variable capacity
    • F15B2211/20553Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20576Systems with pumps with multiple pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/405Flow control characterised by the type of flow control means or valve
    • F15B2211/40515Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/415Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41509Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a directional control valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/455Control of flow in the feed line, i.e. meter-in control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/55Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/575Pilot pressure control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/75Control of speed of the output member
NO81811979A 1980-06-06 1981-06-11 Hydraulisk kretsanordning. NO811979L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7689380A JPS572486A (en) 1980-06-06 1980-06-06 Selection method for parallel and multi circuit
JP7957280A JPS565446A (en) 1979-06-14 1980-06-12 33dimethylaminoo11phenyll11*mmchlorophenyl** propanee22ol and manufacture of salt thereof

Publications (1)

Publication Number Publication Date
NO811979L true NO811979L (no) 1981-12-07

Family

ID=26418016

Family Applications (1)

Application Number Title Priority Date Filing Date
NO81811979A NO811979L (no) 1980-06-06 1981-06-11 Hydraulisk kretsanordning.

Country Status (4)

Country Link
US (1) US4627239A (de)
EP (1) EP0041686B1 (de)
DE (1) DE3174300D1 (de)
NO (1) NO811979L (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4722186A (en) * 1986-01-24 1988-02-02 Sundstrand Corporation Dual pressure displacement control system
DE3708940A1 (de) * 1987-03-20 1988-10-06 Ruthmann Anton Gmbh & Co Hydraulikantrieb fuer hubarbeitsbuehnen oder dergleichen
US5310017A (en) * 1989-07-18 1994-05-10 Jaromir Tobias Vibration isolation support mounting system
US5168703A (en) * 1989-07-18 1992-12-08 Jaromir Tobias Continuously active pressure accumulator power transfer system
US5507360A (en) * 1994-10-24 1996-04-16 Caterpillar Inc. Hydraulic system for dynamic braking and secondary steering system supply
SE509166C2 (sv) * 1996-06-28 1998-12-14 Volvo Ab Anordning för drivning av hjälpapparater vid ett fordon
US6625983B2 (en) * 2001-03-01 2003-09-30 Kim Kawasaki Hydraulic power system
US20030121258A1 (en) * 2001-12-28 2003-07-03 Kazunori Yoshino Hydraulic control system for reducing motor cavitation
DE10326887A1 (de) * 2003-06-14 2004-12-30 Daimlerchrysler Ag Mehrstufiges Ölpumpensystem
CN103982475B (zh) * 2014-05-30 2016-03-02 湖南五新隧道智能装备股份有限公司 一种混凝土喷射车臂架液压控制系统
US20180319634A1 (en) * 2014-10-30 2018-11-08 Xuzhou Heavy Machinery Co., Ltd. Crane hydraulic system and controlling method of the system
CN105370644B (zh) * 2015-11-30 2017-11-03 北汽福田汽车股份有限公司 工程机械及其分配系统
US10626986B2 (en) * 2016-10-31 2020-04-21 Hydraforce, Inc. Hydraulic motor drive system for controlling high inertial load rotary components

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA725431A (en) * 1966-01-11 H. Y. Hancock Roger Hydraulic transmission systems
US2082473A (en) * 1933-09-09 1937-06-01 Oilgear Co Hydraulic transmission
US3280557A (en) * 1965-03-11 1966-10-25 Ford Motor Co Safety control circuit for power steering unit
GB1145531A (en) * 1966-03-14 1969-03-19 Hydraulic Drilling Equipment L Hydraulic system
US3448576A (en) * 1967-08-17 1969-06-10 Westinghouse Air Brake Co Fluid control system
US3526468A (en) * 1968-11-13 1970-09-01 Deere & Co Multiple pump power on demand hydraulic system
DE2112566A1 (de) * 1971-03-16 1972-09-21 Neuenfelder Maschf Gmbh Vorrichtung zum hydraulischen Antrieb,insbesondere von Verholwinden
DE2236134A1 (de) * 1972-07-22 1974-02-07 Rexroth Gmbh G L Aus einer verstellbaren hydropumpe und einem hydromotor gebildetes getriebe
FR2194274A5 (de) * 1972-07-28 1974-02-22 Richier Sa
DE2305474A1 (de) * 1973-02-03 1974-08-15 Kocks Gmbh Friedrich Hydraulische anlage, insbesondere fuer den antrieb von verhol- und haltewinden auf massengutschiffen
FR2219691A5 (de) * 1973-02-27 1974-09-20 Poclain Sa
US3934416A (en) * 1974-02-25 1976-01-27 Lebus International, Inc. Central hydraulic system for marine deck equipment
US4047590A (en) * 1975-12-05 1977-09-13 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit for steering control in articulate vehicles
US3995425A (en) * 1976-03-08 1976-12-07 Deere & Company Demand compensated hydraulic system with pilot line pressure-maintaining valve
US4075840A (en) * 1976-10-06 1978-02-28 Clark Equipment Company Brake and steering system
NO163129C (no) * 1977-02-01 1991-05-02 Karmoey Mekaniske Verksted As Anordning til styring av to traalvinsjer.
US4204405A (en) * 1978-05-09 1980-05-27 Tyrone Hydraulics, Inc. Regenerative drive system
US4382485A (en) * 1980-05-27 1983-05-10 Dresser Industries, Inc. Hydraulic logic control for variable displacement pump
US4354351A (en) * 1980-09-29 1982-10-19 Caterpillar Tractor Co. Load sensing steering

Also Published As

Publication number Publication date
EP0041686A3 (en) 1982-08-04
EP0041686B1 (de) 1986-04-09
DE3174300D1 (en) 1986-05-15
US4627239A (en) 1986-12-09
EP0041686A2 (de) 1981-12-16

Similar Documents

Publication Publication Date Title
NO811979L (no) Hydraulisk kretsanordning.
NO791374L (no) Pumpesystem og fremgangsmaate til aa oeke energivirkningsgraden av en pumpestasjon
US8033107B2 (en) Hydrostatic drive having volumetric flow equalisation
US9528531B2 (en) Hydraulic drive apparatus for work machine
JP5661084B2 (ja) 作業機械の油圧駆動装置
CN107061385B (zh) 移动式工作机的液压式恒定压力系统
KR100640538B1 (ko) 굴삭기 유압펌프 유량제어장치
US5291821A (en) Hydraulic circuit for swivel working machine
EP1764514A2 (de) Hydrauliksystem für Baumaschinen
CN107816468A (zh) 负载传感式驱动系统
JP2012041161A (ja) 油圧タグライン装置
JPS635595B2 (de)
JPS60196402A (ja) 油圧制御装置
JP2003065498A (ja) 圧縮空気の供給設備
KR101486988B1 (ko) 소형급 건설중장비의 네거티브 유량조절 시스템
Vlot et al. Pulsation-free hydraulic-driven swing tube piston pump
CN108397428A (zh) 预紧模块和次级调校的液压系统
CN107816461A (zh) 负载传感式驱动系统
JPH04140330A (ja) 建設機械の操作系油圧回路
SU1149865A3 (ru) Устройство дл компенсации вертикальной корной св зи
JPH01312201A (ja) 油圧流量制御装置
SU1654475A1 (ru) Система водоснабжени
JPH1073103A (ja) 大流量アクチュエータを備えた油圧回路
JPS5926083Y2 (ja) 油圧回路
US1146457A (en) Fluid-flow controller.