DE2253704A1 - Hydraulisches schaltventil - Google Patents

Hydraulisches schaltventil

Info

Publication number
DE2253704A1
DE2253704A1 DE19722253704 DE2253704A DE2253704A1 DE 2253704 A1 DE2253704 A1 DE 2253704A1 DE 19722253704 DE19722253704 DE 19722253704 DE 2253704 A DE2253704 A DE 2253704A DE 2253704 A1 DE2253704 A1 DE 2253704A1
Authority
DE
Germany
Prior art keywords
piston
pressure
control
locking
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.)
Ceased
Application number
DE19722253704
Other languages
German (de)
English (en)
Inventor
Hans Widmer
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.)
BBC Brown Boveri France SA
Original Assignee
BBC Brown Boveri France SA
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 BBC Brown Boveri France SA filed Critical BBC Brown Boveri France SA
Publication of DE2253704A1 publication Critical patent/DE2253704A1/de
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/048—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with valve seats positioned between movable valve 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
    • H01H2033/308—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator comprising control and pilot valves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
    • H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
DE19722253704 1972-10-02 1972-11-02 Hydraulisches schaltventil Ceased DE2253704A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1433672A CH550332A (de) 1972-10-02 1972-10-02 Hydraulisches schaltventil.

Publications (1)

Publication Number Publication Date
DE2253704A1 true DE2253704A1 (de) 1974-04-11

Family

ID=4399948

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722253704 Ceased DE2253704A1 (de) 1972-10-02 1972-11-02 Hydraulisches schaltventil

Country Status (6)

Country Link
CH (1) CH550332A (xx)
DE (1) DE2253704A1 (xx)
FR (1) FR2201420B3 (xx)
IT (1) IT993956B (xx)
NL (1) NL7313438A (xx)
SE (1) SE397994B (xx)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2546865A1 (de) * 1975-10-18 1977-04-21 Knorr Bremse Gmbh Druckuebersetzer fuer lastabhaengige druckluftbremsen, insbesondere fuer eisenbahnen
DE3223754A1 (de) * 1981-07-24 1983-02-10 Teledyne Industries, Inc., 90067 Los Angeles, Calif. Fernsteuerbares ventil
DE3412737A1 (de) * 1983-09-01 1985-03-21 Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover Schalteinrichtung
AT404869B (de) * 1983-09-01 1999-03-25 Wabco Westinghouse Steuerung Schalteinrichtung
DE10203886A1 (de) * 2002-01-31 2003-08-21 Dbt Autom Gmbh Vorsteuerventil

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2614669B1 (fr) * 1987-04-29 1989-07-13 Gratzmuller Claude Valve hydraulique a trois voies
DE102013020585A1 (de) 2013-12-13 2015-06-18 Hydac Fluidtechnik Gmbh Ventilvorrichtung

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2546865A1 (de) * 1975-10-18 1977-04-21 Knorr Bremse Gmbh Druckuebersetzer fuer lastabhaengige druckluftbremsen, insbesondere fuer eisenbahnen
DE3223754A1 (de) * 1981-07-24 1983-02-10 Teledyne Industries, Inc., 90067 Los Angeles, Calif. Fernsteuerbares ventil
DE3412737A1 (de) * 1983-09-01 1985-03-21 Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover Schalteinrichtung
AT404869B (de) * 1983-09-01 1999-03-25 Wabco Westinghouse Steuerung Schalteinrichtung
DE10203886A1 (de) * 2002-01-31 2003-08-21 Dbt Autom Gmbh Vorsteuerventil
DE10203886B4 (de) * 2002-01-31 2005-04-14 Dbt Automation Gmbh Vorsteuerventil
US6957664B2 (en) 2002-01-31 2005-10-25 Dbt Automation Gmbh Pilot control valve
CN100366964C (zh) * 2002-01-31 2008-02-06 Dbt有限公司 先导阀

Also Published As

Publication number Publication date
NL7313438A (xx) 1974-04-04
CH550332A (de) 1974-06-14
FR2201420A1 (xx) 1974-04-26
FR2201420B3 (xx) 1976-08-27
IT993956B (it) 1975-09-30
SE397994B (sv) 1977-11-28

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Legal Events

Date Code Title Description
OD Request for examination
OF Willingness to grant licences before publication of examined application
8131 Rejection