DE3760756D1 - Servo valve for pneumatic-pressure control - Google Patents

Servo valve for pneumatic-pressure control

Info

Publication number
DE3760756D1
DE3760756D1 DE8787101581T DE3760756T DE3760756D1 DE 3760756 D1 DE3760756 D1 DE 3760756D1 DE 8787101581 T DE8787101581 T DE 8787101581T DE 3760756 T DE3760756 T DE 3760756T DE 3760756 D1 DE3760756 D1 DE 3760756D1
Authority
DE
Germany
Prior art keywords
pneumatic
pressure control
servo valve
servo
valve
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.)
Expired
Application number
DE8787101581T
Other languages
German (de)
Inventor
Werner Stumpe
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE8787101581T priority Critical patent/DE3760756D1/en
Application granted granted Critical
Publication of DE3760756D1 publication Critical patent/DE3760756D1/en
Expired 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
    • 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
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing 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
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/565—Control of a downstream pressure
    • 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
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7052—Single-acting output members
    • 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
    • F15B2211/76—Control of force or torque of the output member
DE8787101581T 1986-03-08 1987-02-05 Servo valve for pneumatic-pressure control Expired DE3760756D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787101581T DE3760756D1 (en) 1986-03-08 1987-02-05 Servo valve for pneumatic-pressure control

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863607690 DE3607690A1 (en) 1986-03-08 1986-03-08 RELAY VALVE DEVICE FOR PNEUMATIC PRESSURE CONTROL
DE8787101581T DE3760756D1 (en) 1986-03-08 1987-02-05 Servo valve for pneumatic-pressure control

Publications (1)

Publication Number Publication Date
DE3760756D1 true DE3760756D1 (en) 1989-11-16

Family

ID=6295849

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19863607690 Withdrawn DE3607690A1 (en) 1986-03-08 1986-03-08 RELAY VALVE DEVICE FOR PNEUMATIC PRESSURE CONTROL
DE8787101581T Expired DE3760756D1 (en) 1986-03-08 1987-02-05 Servo valve for pneumatic-pressure control

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19863607690 Withdrawn DE3607690A1 (en) 1986-03-08 1986-03-08 RELAY VALVE DEVICE FOR PNEUMATIC PRESSURE CONTROL

Country Status (3)

Country Link
EP (1) EP0236742B1 (en)
JP (1) JPS62224701A (en)
DE (2) DE3607690A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991011339A2 (en) * 1990-02-02 1991-08-08 The University Of British Columbia Digital suspension system
CN104007772A (en) * 2013-02-25 2014-08-27 广州市兆基饮水设备科技有限公司 Full intelligent safety pressure control system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1703927A1 (en) * 1968-06-06 1971-04-08 Freital Plastmaschinen Delivery rate adjustment device for variable displacement pumps on hydraulically operated systems and machines, in particular injection molding machines
US3643682A (en) * 1970-10-26 1972-02-22 Sperry Rand Corp Power transmission
DE2302446A1 (en) * 1973-01-18 1974-07-25 Liebherr Aera Technik Gmbh DIGITAL PRESSURE REGULATING VALVE
US4020862A (en) * 1973-12-15 1977-05-03 Idra-Pressen G.M.B.H. Apparatus for controlling the volume and pressure of a pressure medium in a die-casting machine
DE3244920A1 (en) * 1982-12-04 1984-06-07 Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover DEVICE FOR CHANGING THE FORCE ACTING ON AN ACTUATOR

Also Published As

Publication number Publication date
EP0236742B1 (en) 1989-10-11
EP0236742A1 (en) 1987-09-16
JPS62224701A (en) 1987-10-02
DE3607690A1 (en) 1987-09-10

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee