ZA714018B - Improvements in or relating to pilot pressure operated devices - Google Patents

Improvements in or relating to pilot pressure operated devices

Info

Publication number
ZA714018B
ZA714018B ZA714018A ZA714018A ZA714018B ZA 714018 B ZA714018 B ZA 714018B ZA 714018 A ZA714018 A ZA 714018A ZA 714018 A ZA714018 A ZA 714018A ZA 714018 B ZA714018 B ZA 714018B
Authority
ZA
South Africa
Prior art keywords
relating
pilot pressure
pressure operated
operated devices
devices
Prior art date
Application number
ZA714018A
Other languages
English (en)
Inventor
P Price
Original Assignee
Telektron 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 Telektron Ltd filed Critical Telektron Ltd
Publication of ZA714018B publication Critical patent/ZA714018B/xx

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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
    • F16K31/128—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like servo actuated
    • 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
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
    • G05D16/0672—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using several spring-loaded membranes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Magnetically Actuated Valves (AREA)
  • Details Of Valves (AREA)
ZA714018A 1970-06-30 1971-06-21 Improvements in or relating to pilot pressure operated devices ZA714018B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3169870A GB1356387A (en) 1970-06-30 1970-06-30 Pilot pressure operated pneumatic valves

Publications (1)

Publication Number Publication Date
ZA714018B true ZA714018B (en) 1972-03-29

Family

ID=10327078

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA714018A ZA714018B (en) 1970-06-30 1971-06-21 Improvements in or relating to pilot pressure operated devices

Country Status (10)

Country Link
JP (1) JPS5128858B1 (fr)
BE (1) BE769334A (fr)
CA (1) CA943432A (fr)
CH (1) CH553357A (fr)
DE (1) DE2131958A1 (fr)
FR (1) FR2100071A5 (fr)
GB (1) GB1356387A (fr)
NL (1) NL7108871A (fr)
SE (1) SE371477B (fr)
ZA (1) ZA714018B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3935812A1 (de) * 1989-10-27 1991-05-02 Teves Gmbh Alfred Ventilanordnung
CN121112038B (zh) * 2025-11-13 2026-02-24 普瑞泰格(南京)安全设备有限公司 一种先导式呼吸阀及使用方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS547042Y2 (fr) * 1972-06-29 1979-04-03

Also Published As

Publication number Publication date
BE769334A (fr) 1971-11-03
SE371477B (fr) 1974-11-18
CA943432A (en) 1974-03-12
DE2131958A1 (de) 1972-01-27
GB1356387A (en) 1974-06-12
CH553357A (fr) 1974-08-30
FR2100071A5 (fr) 1972-03-17
JPS5128858B1 (fr) 1976-08-21
NL7108871A (fr) 1972-01-03

Similar Documents

Publication Publication Date Title
MY7700188A (en) Improvements in or relating to separation devices
ZA717407B (en) Improvements in or relating to fluid-pressure actuated press-tool equipment
ZA713870B (en) Improvements in or relating to safety mechanisms
MY7500223A (en) Improvement in or relating to keyboards
AU472540B2 (en) Improvements in or relating to valves
ZA714918B (en) Improvements in or relating to pressure vessels
ZA718297B (en) Improvements in or relating to electrohydraulic crushing apparatus
ZA713838B (en) Improvements in or relating to seals
ZA714018B (en) Improvements in or relating to pilot pressure operated devices
ZA716923B (en) Improvements in or relating to low pressure switches
ZA71202B (en) Improvements in or relating to screw-pumps
ZA71761B (en) Improvements in or relating to buildings
AU3193371A (en) Improvements in or relating to valve devices
AU440257B2 (en) Improvements in or relating to fluid pressure operated motors
AU411267B2 (en) Improvements in or relating to pressure intensifying devices
AU457812B2 (en) Improvements in or relating to pressure reducing valves
AU446940B2 (en) Improvements in or relating to prompting devices
ZA707116B (en) Improvements in or relating to valves
ZA708023B (en) Improvements in or relating to valves
ZA707115B (en) Improvements in or relating to valves
AU445013B2 (en) Improvements in or relating to valves
AU460024B2 (en) Improvements in or relating to printing devices
ZA717938B (en) Improvements in or relating to a laminate
ZA716320B (en) Improvements in or relating to aerosol valves
AU470935B2 (en) Improvements in or relating to lifting devices