DE2034214C3 - Vorgesteuertes Wegeventil für einen hydraulischen Servomotor - Google Patents

Vorgesteuertes Wegeventil für einen hydraulischen Servomotor

Info

Publication number
DE2034214C3
DE2034214C3 DE19702034214 DE2034214A DE2034214C3 DE 2034214 C3 DE2034214 C3 DE 2034214C3 DE 19702034214 DE19702034214 DE 19702034214 DE 2034214 A DE2034214 A DE 2034214A DE 2034214 C3 DE2034214 C3 DE 2034214C3
Authority
DE
Germany
Prior art keywords
control
pressure
chamber
channel
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
DE19702034214
Other languages
German (de)
English (en)
Other versions
DE2034214A1 (de
DE2034214B2 (de
Inventor
Friedrich Wilh. 7251 Hoefingen Hoefer
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 DE19702034214 priority Critical patent/DE2034214C3/de
Priority to AT547571A priority patent/AT311756B/de
Priority to FR7124905A priority patent/FR2098301B1/fr
Priority to JP5140471A priority patent/JPS5421516B1/ja
Publication of DE2034214A1 publication Critical patent/DE2034214A1/de
Publication of DE2034214B2 publication Critical patent/DE2034214B2/de
Application granted granted Critical
Publication of DE2034214C3 publication Critical patent/DE2034214C3/de
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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • 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
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5157—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a 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
    • F15B2211/52—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
    • F15B2211/575—Pilot pressure control
    • F15B2211/5753—Pilot pressure control for closing a 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
    • F15B2211/635—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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/85—Control during special operating conditions
    • F15B2211/851—Control during special operating conditions during starting

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Harvester Elements (AREA)
  • Servomotors (AREA)
DE19702034214 1970-07-10 1970-07-10 Vorgesteuertes Wegeventil für einen hydraulischen Servomotor Expired DE2034214C3 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19702034214 DE2034214C3 (de) 1970-07-10 1970-07-10 Vorgesteuertes Wegeventil für einen hydraulischen Servomotor
AT547571A AT311756B (de) 1970-07-10 1971-06-23 Steuervorrichtung für hydraulische Arbeitskreise
FR7124905A FR2098301B1 (OSRAM) 1970-07-10 1971-07-07
JP5140471A JPS5421516B1 (OSRAM) 1970-07-10 1971-07-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702034214 DE2034214C3 (de) 1970-07-10 1970-07-10 Vorgesteuertes Wegeventil für einen hydraulischen Servomotor

Publications (3)

Publication Number Publication Date
DE2034214A1 DE2034214A1 (de) 1972-01-20
DE2034214B2 DE2034214B2 (de) 1981-04-02
DE2034214C3 true DE2034214C3 (de) 1981-11-12

Family

ID=5776333

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702034214 Expired DE2034214C3 (de) 1970-07-10 1970-07-10 Vorgesteuertes Wegeventil für einen hydraulischen Servomotor

Country Status (4)

Country Link
JP (1) JPS5421516B1 (OSRAM)
AT (1) AT311756B (OSRAM)
DE (1) DE2034214C3 (OSRAM)
FR (1) FR2098301B1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348945A (en) 1977-08-20 1982-09-14 Robert Bosch Gmbh Device for controlling a hydraulic power circuit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2232857C2 (de) * 1972-07-05 1983-11-24 Robert Bosch Gmbh, 7000 Stuttgart Steuereinrichtung für ein hydraulisch angetriebenes Arbeitsgerät
DE2245419A1 (de) * 1972-09-15 1974-03-21 Bosch Gmbh Robert Schaltventil
DE2359755C2 (de) * 1973-11-30 1985-06-05 Robert Bosch Gmbh, 7000 Stuttgart Hydraulisches Schaltventil
DE3928272A1 (de) * 1989-08-26 1991-02-28 Kloeckner Humboldt Deutz Ag Einrichtung fuer den regelhydraulischen arbeitskreis eines krafthebers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1204034B (de) * 1962-04-28 1965-10-28 Bosch Gmbh Robert Steuereinrichtung fuer einen hydraulischen Arbeitskreis
DE1263429B (de) * 1965-06-12 1968-03-14 Bosch Gmbh Robert Steuergeraet fuer einen hydraulischen Arbeitskreis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348945A (en) 1977-08-20 1982-09-14 Robert Bosch Gmbh Device for controlling a hydraulic power circuit

Also Published As

Publication number Publication date
DE2034214A1 (de) 1972-01-20
FR2098301A1 (OSRAM) 1972-03-10
JPS5421516B1 (OSRAM) 1979-07-31
AT311756B (de) 1973-12-10
FR2098301B1 (OSRAM) 1974-04-05
DE2034214B2 (de) 1981-04-02

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee