JPS54156202A - Hydraulic controller - Google Patents

Hydraulic controller

Info

Publication number
JPS54156202A
JPS54156202A JP5757079A JP5757079A JPS54156202A JP S54156202 A JPS54156202 A JP S54156202A JP 5757079 A JP5757079 A JP 5757079A JP 5757079 A JP5757079 A JP 5757079A JP S54156202 A JPS54156202 A JP S54156202A
Authority
JP
Japan
Prior art keywords
hydraulic controller
hydraulic
controller
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.)
Pending
Application number
JP5757079A
Other languages
English (en)
Inventor
Kooneriasu Uesutobuiia Robaato
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.)
SPX Corp
Original Assignee
General Signal Corp
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 General Signal Corp filed Critical General Signal Corp
Publication of JPS54156202A publication Critical patent/JPS54156202A/ja
Pending legal-status Critical Current

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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/3051—Cross-check valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3144—Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure 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
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP5757079A 1978-05-30 1979-05-10 Hydraulic controller Pending JPS54156202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/910,726 US4197705A (en) 1978-05-30 1978-05-30 Hydraulic control system

Publications (1)

Publication Number Publication Date
JPS54156202A true JPS54156202A (en) 1979-12-10

Family

ID=25429245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5757079A Pending JPS54156202A (en) 1978-05-30 1979-05-10 Hydraulic controller

Country Status (11)

Country Link
US (1) US4197705A (ja)
JP (1) JPS54156202A (ja)
AU (1) AU526907B2 (ja)
BR (1) BR7903347A (ja)
CA (2) CA1095810A (ja)
DE (1) DE2918708A1 (ja)
FR (1) FR2427488B1 (ja)
GB (1) GB2021818B (ja)
IT (1) IT1114264B (ja)
NZ (1) NZ190516A (ja)
SE (1) SE439956B (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399886A (en) * 1980-12-09 1983-08-23 Sundstrand Corporation Controls for variable displacement motor and motors
US4408453A (en) * 1981-01-16 1983-10-11 General Signal Corporation Hydraulic control system
US4479349A (en) * 1981-11-19 1984-10-30 General Signal Corporation Hydraulic control system
US4554991A (en) * 1984-02-23 1985-11-26 Mud Hog Corporation Auxiliary hydraulic drive system for road graders and the like
US4949805A (en) * 1988-07-27 1990-08-21 Clark Equipment Company Electrically controlled auxiliary hydraulic system for a skid steer loader
DE4020325C2 (de) * 1990-06-26 1995-01-05 Hydrokraft Gmbh Regeleinrichtung für verstellbare Hydropumpen
US5454223A (en) * 1993-05-28 1995-10-03 Dana Corporation Hydraulic load sensing system with poppet valve having an orifice therein
US5924509A (en) * 1997-03-19 1999-07-20 Caterpillar Paving Products Inc. Traction control apparatus and method for a hydrostatically driven work machine
US5873244A (en) * 1997-11-21 1999-02-23 Caterpillar Inc. Positive flow control system
DE20116921U1 (de) * 2001-10-15 2002-01-03 Heilmeier & Weinlein Elektrohydraulisches Motorpumpenaggregat, Anbauelement und Druckbegrenzungsventil
JP4453411B2 (ja) * 2004-03-18 2010-04-21 コベルコ建機株式会社 作業機械の油圧制御装置
US20060242955A1 (en) * 2005-04-19 2006-11-02 Clark Equipment Company Hydraulic system with piston pump and open center valve
CN103557153B (zh) * 2013-11-20 2016-01-20 沈阳工业大学 轴向柱塞液压泵的电液比例排量调节机构
CN111911381B (zh) * 2020-07-26 2022-12-06 中国航发贵州红林航空动力控制科技有限公司 一种带阻尼活塞的喷口压差活门机构
CN115013275B (zh) * 2022-05-31 2024-03-08 江苏大学流体机械温岭研究院 主动阀配流的负载敏感数字轴向柱塞泵及其工作方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942082A (ja) * 1972-08-28 1974-04-20

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188948B (de) * 1960-07-16 1965-03-11 Metallwerk Glockerau G M B H Arbeitsfluessigkeitsmengen-Regeleinrichtung fuer hydrostatische Pumpen und Motoren
US3366064A (en) * 1965-03-10 1968-01-30 Borg Warner Control for hydraulic apparatus
US3333415A (en) * 1965-11-23 1967-08-01 Abex Corp Hydraulic transmission and speed and direction control valve therefor
GB1262488A (en) * 1968-06-04 1972-02-02 Dowty Technical Dev Ltd Hydraulic apparatus for including variable-delivery pumps
DE1728270A1 (de) * 1968-09-19 1972-03-09 Bosch Gmbh Robert Hydraulische Regelanlage
DE1943356A1 (de) * 1969-08-26 1971-03-18 Rauch Fa Constantin Einrichtung zur Regelung verstellbarer Axialkolbenpumpen
US3777492A (en) * 1971-02-17 1973-12-11 Dowty Technical Dev Ltd Hydraulic apparatus including variable delivery pumps
US3788077A (en) * 1972-07-13 1974-01-29 Borg Warner Open center control of variable pumps
US3809501A (en) * 1973-01-08 1974-05-07 Gen Signal Corp Hydraulic load sensitive system
US4067193A (en) * 1976-11-22 1978-01-10 Caterpillar Tractor Co. Combined hydrostatic transmission implement system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942082A (ja) * 1972-08-28 1974-04-20

Also Published As

Publication number Publication date
FR2427488B1 (fr) 1986-05-16
CA1095810A (en) 1981-02-17
SE439956B (sv) 1985-07-08
SE7904673L (sv) 1979-12-01
BR7903347A (pt) 1979-12-11
GB2021818B (en) 1982-11-17
AU526907B2 (en) 1983-02-03
US4197705A (en) 1980-04-15
FR2427488A1 (fr) 1979-12-28
NZ190516A (en) 1985-04-30
IT1114264B (it) 1986-01-27
AU4751979A (en) 1979-12-06
DE2918708A1 (de) 1979-12-06
CA1096270A (en) 1981-02-24
GB2021818A (en) 1979-12-05
IT7922863A0 (it) 1979-05-21

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