CH550332A - HYDRAULIC PILOT VALVE. - Google Patents

HYDRAULIC PILOT VALVE.

Info

Publication number
CH550332A
CH550332A CH1433672A CH1433672A CH550332A CH 550332 A CH550332 A CH 550332A CH 1433672 A CH1433672 A CH 1433672A CH 1433672 A CH1433672 A CH 1433672A CH 550332 A CH550332 A CH 550332A
Authority
CH
Switzerland
Prior art keywords
pilot valve
hydraulic pilot
hydraulic
valve
pilot
Prior art date
Application number
CH1433672A
Other languages
German (de)
Original Assignee
Bbc Brown Boveri & Cie
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 & Cie filed Critical Bbc Brown Boveri & Cie
Priority to CH1433672A priority Critical patent/CH550332A/en
Priority to DE19722253704 priority patent/DE2253704A1/en
Priority to SE7313204A priority patent/SE397994B/en
Priority to NL7313438A priority patent/NL7313438A/xx
Priority to FR7334780A priority patent/FR2201420B3/fr
Priority to IT2958473A priority patent/IT993956B/en
Publication of CH550332A publication Critical patent/CH550332A/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
CH1433672A 1972-10-02 1972-10-02 HYDRAULIC PILOT VALVE. CH550332A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1433672A CH550332A (en) 1972-10-02 1972-10-02 HYDRAULIC PILOT VALVE.
DE19722253704 DE2253704A1 (en) 1972-10-02 1972-11-02 HYDRAULIC PILOT VALVE
SE7313204A SE397994B (en) 1972-10-02 1973-09-27 HYDRAULIC SWITCH VALVE
NL7313438A NL7313438A (en) 1972-10-02 1973-09-28
FR7334780A FR2201420B3 (en) 1972-10-02 1973-09-28
IT2958473A IT993956B (en) 1972-10-02 1973-10-01 HYDRAULIC MANEUVERING VALVE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1433672A CH550332A (en) 1972-10-02 1972-10-02 HYDRAULIC PILOT VALVE.

Publications (1)

Publication Number Publication Date
CH550332A true CH550332A (en) 1974-06-14

Family

ID=4399948

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1433672A CH550332A (en) 1972-10-02 1972-10-02 HYDRAULIC PILOT VALVE.

Country Status (6)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2546865A1 (en) * 1975-10-18 1977-04-21 Knorr Bremse Gmbh PRESSURE TRANSLATOR FOR LOAD DEPENDENT COMPRESSED AIR BRAKES, IN PARTICULAR FOR RAILWAYS
US4450869A (en) * 1981-07-24 1984-05-29 Teledyne Republic Manufacturing Pilot-operated valve
DE3412737A1 (en) * 1983-09-01 1985-03-21 Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover Switching device
AT404869B (en) * 1983-09-01 1999-03-25 Wabco Westinghouse Steuerung Switching device
FR2614669B1 (en) * 1987-04-29 1989-07-13 Gratzmuller Claude THREE-WAY HYDRAULIC VALVE
DE10203886B4 (en) 2002-01-31 2005-04-14 Dbt Automation Gmbh pilot valve
DE102013020585A1 (en) * 2013-12-13 2015-06-18 Hydac Fluidtechnik Gmbh valve device

Also Published As

Publication number Publication date
FR2201420A1 (en) 1974-04-26
DE2253704A1 (en) 1974-04-11
NL7313438A (en) 1974-04-04
SE397994B (en) 1977-11-28
FR2201420B3 (en) 1976-08-27
IT993956B (en) 1975-09-30

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Legal Events

Date Code Title Description
PL Patent ceased