GB1381654A - Control device for an electric switch or a fluid valve - Google Patents

Control device for an electric switch or a fluid valve

Info

Publication number
GB1381654A
GB1381654A GB1557972A GB1557972A GB1381654A GB 1381654 A GB1381654 A GB 1381654A GB 1557972 A GB1557972 A GB 1557972A GB 1557972 A GB1557972 A GB 1557972A GB 1381654 A GB1381654 A GB 1381654A
Authority
GB
United Kingdom
Prior art keywords
adjustable
heavy
light
spring
balls
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
GB1557972A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1381654A publication Critical patent/GB1381654A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/2657—Details with different switches operated at substantially different pressures
    • H01H35/2664—Details with different switches operated at substantially different pressures making use of a balance plate pivoting about different axes

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Valve Device For Special Equipments (AREA)
GB1557972A 1971-05-31 1972-04-05 Control device for an electric switch or a fluid valve Expired GB1381654A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX4415571 1971-05-31
US23673272A 1972-03-21 1972-03-21

Publications (1)

Publication Number Publication Date
GB1381654A true GB1381654A (en) 1975-01-22

Family

ID=26640837

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1557972A Expired GB1381654A (en) 1971-05-31 1972-04-05 Control device for an electric switch or a fluid valve

Country Status (11)

Country Link
US (1) US3786212A (xx)
JP (1) JPS5219308B1 (xx)
AU (1) AU472992B2 (xx)
BE (1) BE784213A (xx)
CA (1) CA966175A (xx)
CH (1) CH553339A (xx)
DE (1) DE2224026C2 (xx)
FR (1) FR2166854A5 (xx)
GB (1) GB1381654A (xx)
IT (1) IT955906B (xx)
NL (1) NL168362C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911238A (en) * 1973-12-06 1975-10-07 Automatic Switch Co Condition responsive control device with capacity for independent adjustment of control points and transducer therefor
US4467155A (en) * 1982-05-06 1984-08-21 Dresser Industries, Inc. Electrical switch apparatus
DE3239129C2 (de) * 1982-10-22 1986-01-16 H. Kuhnke Elektrotechnik GmbH, Büttikon PE-Wandler
CN110391110B (zh) * 2019-09-04 2024-04-26 济南迈克阀门科技有限公司 一种消防用双输出式可调压压力开关

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2266144A (en) * 1939-08-04 1941-12-16 Honeywell Regulator Co Automatic switching device
US2284940A (en) * 1939-08-04 1942-06-02 Honeywell Regulator Co Snap action device
US3098141A (en) * 1942-12-31 1963-07-16 Wintriss George Enclosed precision switch
US2766349A (en) * 1954-02-16 1956-10-09 Matthew Kuziak Differential pressure switch
US2873332A (en) * 1956-02-01 1959-02-10 William J Williams Adjustable differential switch actuator
FR1263541A (fr) * 1959-07-13 1961-06-09 Gen Motors Corp Mécanisme de commutation sensible à la vitesse
DE1273037B (de) * 1960-11-08 1968-07-18 Walter Holzer Druckabhaengiger elektrischer Schalter
US3182150A (en) * 1962-05-25 1965-05-04 Robertshaw Controls Co Pneumatic-electric switch
US3235692A (en) * 1962-11-30 1966-02-15 Ametek Inc Condition responsive sequence switch
DE1214302B (de) * 1963-07-25 1966-04-14 Bosch Gmbh Robert Elektrischer Membrandruckschalter
US3390242A (en) * 1967-03-10 1968-06-25 Illinois Tool Works Switch mechanism utilizing a single spring element to provide lost motion

Also Published As

Publication number Publication date
NL168362C (nl) 1982-03-16
IT955906B (it) 1973-09-29
NL168362B (nl) 1981-10-16
FR2166854A5 (xx) 1973-08-17
US3786212A (en) 1974-01-15
AU4264472A (en) 1973-11-29
NL7207353A (xx) 1972-12-04
DE2224026A1 (de) 1972-12-14
CH553339A (de) 1974-08-30
CA966175A (en) 1975-04-15
BE784213A (fr) 1972-09-18
DE2224026C2 (de) 1984-03-29
AU472992B2 (en) 1976-06-10
JPS5219308B1 (xx) 1977-05-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years