GB1409783A - Fluid pressure operated switch - Google Patents

Fluid pressure operated switch

Info

Publication number
GB1409783A
GB1409783A GB547672A GB547672A GB1409783A GB 1409783 A GB1409783 A GB 1409783A GB 547672 A GB547672 A GB 547672A GB 547672 A GB547672 A GB 547672A GB 1409783 A GB1409783 A GB 1409783A
Authority
GB
United Kingdom
Prior art keywords
fluid pressure
conductive
operated switch
pressure operated
diaphragm
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
GB547672A
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.)
Lucas Electrical Co Ltd
Original Assignee
Lucas Electrical Co 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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Priority to GB547672A priority Critical patent/GB1409783A/en
Priority to AU51747/73A priority patent/AU477465B2/en
Priority to IT734802Q priority patent/IT977166B/it
Priority to DE19732305300 priority patent/DE2305300A1/de
Priority to JP48013883A priority patent/JPS4888479A/ja
Priority to FR7303930A priority patent/FR2170262B1/fr
Priority to US00329346A priority patent/US3793495A/en
Publication of GB1409783A publication Critical patent/GB1409783A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/029—Composite material comprising conducting material dispersed in an elastic support or binding material
    • 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
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
    • H01H35/346—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm in which the movable contact is formed or directly supported by the diaphragm

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Push-Button Switches (AREA)
GB547672A 1972-02-05 1972-02-05 Fluid pressure operated switch Expired GB1409783A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB547672A GB1409783A (en) 1972-02-05 1972-02-05 Fluid pressure operated switch
AU51747/73A AU477465B2 (en) 1972-02-05 1973-02-02 Fluid pressure operated switch
IT734802Q IT977166B (it) 1972-02-05 1973-02-02 Interruttore elettrico azionato da un fluido sottopressione
DE19732305300 DE2305300A1 (de) 1972-02-05 1973-02-03 Druckschalter
JP48013883A JPS4888479A (enExample) 1972-02-05 1973-02-05
FR7303930A FR2170262B1 (enExample) 1972-02-05 1973-02-05
US00329346A US3793495A (en) 1972-02-05 1973-02-05 Pressure switch with diaphragm formed of flexible compressible material containing discrete electrically conductive particles which make and break the circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB547672A GB1409783A (en) 1972-02-05 1972-02-05 Fluid pressure operated switch

Publications (1)

Publication Number Publication Date
GB1409783A true GB1409783A (en) 1975-10-15

Family

ID=9796918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB547672A Expired GB1409783A (en) 1972-02-05 1972-02-05 Fluid pressure operated switch

Country Status (6)

Country Link
US (1) US3793495A (enExample)
JP (1) JPS4888479A (enExample)
DE (1) DE2305300A1 (enExample)
FR (1) FR2170262B1 (enExample)
GB (1) GB1409783A (enExample)
IT (1) IT977166B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935636A (en) * 1974-03-29 1976-02-03 Tyco Laboratories, Inc. Method of making a pressure transducer
US3899766A (en) * 1974-03-29 1975-08-12 Tyco Laboratories Inc Pressure transducer
FR2316718A1 (fr) * 1975-06-30 1977-01-28 Ferodo Sa Perfectionnements au montage d'un thermo-contact dans une paroi
EP0443073A1 (en) * 1990-02-23 1991-08-28 Kabushiki Kaisha Fine Rubber Kenkyuusho Pressure sensor utilizing extension type conductive rubber
US5619022A (en) * 1995-06-21 1997-04-08 Micro Pneumatic Logic, Inc. Pneumatic snap action switch
CN116829213A (zh) * 2021-01-27 2023-09-29 贝克顿·迪金森公司 膜柱塞式流体压力开关

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474662A (en) * 1945-12-19 1949-06-28 Fuller Reginald Cyril Electric pressure indicator
US2752558A (en) * 1953-04-22 1956-06-26 Ernest M Kane Electric transducer
FR1177677A (fr) * 1956-08-27 1959-04-28 Bendix Aviat Corp Convertisseur de pression
US3394345A (en) * 1965-09-17 1968-07-23 Edward M. Thomas Signal means for indicating residual hydraulic pressure in a brake system
US3455165A (en) * 1965-12-22 1969-07-15 Pierre Huet Pressure sensitive devices
US3509296A (en) * 1967-10-23 1970-04-28 Ncr Co Resilient variable-conductivity circuit controlling means
US3573725A (en) * 1969-06-25 1971-04-06 Gen Motors Corp Resilient accumulator reservoir with failure switch

Also Published As

Publication number Publication date
JPS4888479A (enExample) 1973-11-20
AU5174773A (en) 1974-08-08
US3793495A (en) 1974-02-19
FR2170262A1 (enExample) 1973-09-14
DE2305300A1 (de) 1973-08-16
IT977166B (it) 1974-09-10
FR2170262B1 (enExample) 1976-11-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee