SE7606955L - PILOT VALVE DEVICE - Google Patents

PILOT VALVE DEVICE

Info

Publication number
SE7606955L
SE7606955L SE7606955A SE7606955A SE7606955L SE 7606955 L SE7606955 L SE 7606955L SE 7606955 A SE7606955 A SE 7606955A SE 7606955 A SE7606955 A SE 7606955A SE 7606955 L SE7606955 L SE 7606955L
Authority
SE
Sweden
Prior art keywords
valve device
pilot valve
blade edges
height
central portion
Prior art date
Application number
SE7606955A
Other languages
Swedish (sv)
Other versions
SE426420B (en
Inventor
H Honda
H Itoh
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of SE7606955L publication Critical patent/SE7606955L/en
Publication of SE426420B publication Critical patent/SE426420B/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
    • F16K21/00—Fluid-delivery valves, e.g. self-closing valves
    • F16K21/04—Self-closing valves, i.e. closing automatically after operation
    • F16K21/06—Self-closing valves, i.e. closing automatically after operation in which the closing movement, either retarded or not, starts immediately after opening
    • F16K21/12—Self-closing valves, i.e. closing automatically after operation in which the closing movement, either retarded or not, starts immediately after opening with hydraulically-operated opening means; with arrangements for pressure relief before opening
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/124—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston servo actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Control Of Fluid Pressure (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

PURPOSE:The height of inner-blade edges at central portion is made higher than that of inner-blade edges at both ends so as to maintain sharp-cutting quality.
SE7606955A 1975-06-17 1976-06-17 Pilot valve device for controlling a flow of pressure fluid SE426420B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50073965A JPS51150456A (en) 1975-06-17 1975-06-17 Inner blade of reciprocating electric razor

Publications (2)

Publication Number Publication Date
SE7606955L true SE7606955L (en) 1976-12-19
SE426420B SE426420B (en) 1983-01-17

Family

ID=13533286

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7606955A SE426420B (en) 1975-06-17 1976-06-17 Pilot valve device for controlling a flow of pressure fluid

Country Status (2)

Country Link
JP (1) JPS51150456A (en)
SE (1) SE426420B (en)

Also Published As

Publication number Publication date
SE426420B (en) 1983-01-17
JPS51150456A (en) 1976-12-24

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