IT1137055B - SWITCHING SYSTEM AND EQUIPMENT WITH FLUID OPERATION - Google Patents

SWITCHING SYSTEM AND EQUIPMENT WITH FLUID OPERATION

Info

Publication number
IT1137055B
IT1137055B IT21374/81A IT2137481A IT1137055B IT 1137055 B IT1137055 B IT 1137055B IT 21374/81 A IT21374/81 A IT 21374/81A IT 2137481 A IT2137481 A IT 2137481A IT 1137055 B IT1137055 B IT 1137055B
Authority
IT
Italy
Prior art keywords
equipment
switching system
fluid operation
fluid
switching
Prior art date
Application number
IT21374/81A
Other languages
Italian (it)
Other versions
IT8121374A0 (en
Inventor
George D Keller
Original Assignee
Beta Bv
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 Beta Bv filed Critical Beta Bv
Publication of IT8121374A0 publication Critical patent/IT8121374A0/en
Application granted granted Critical
Publication of IT1137055B publication Critical patent/IT1137055B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets
    • 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
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Magnetically Actuated Valves (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
IT21374/81A 1980-05-02 1981-04-24 SWITCHING SYSTEM AND EQUIPMENT WITH FLUID OPERATION IT1137055B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14613980A 1980-05-02 1980-05-02

Publications (2)

Publication Number Publication Date
IT8121374A0 IT8121374A0 (en) 1981-04-24
IT1137055B true IT1137055B (en) 1986-09-03

Family

ID=22516005

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21374/81A IT1137055B (en) 1980-05-02 1981-04-24 SWITCHING SYSTEM AND EQUIPMENT WITH FLUID OPERATION

Country Status (5)

Country Link
DE (1) DE3116493A1 (en)
FR (1) FR2481840A1 (en)
GB (1) GB2076591B (en)
IT (1) IT1137055B (en)
NL (1) NL8100236A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8306019A (en) * 1983-11-01 1985-06-04 Jose De Freitas Kerr Pinheiro HYDROMAGNETIC PRESSURIZATION SYSTEM
US4658646A (en) * 1985-10-03 1987-04-21 Maloney Pipeline Products Company Magnetic actuator for mechanical indicator of change of state in a pressurizeable system
GB8715089D0 (en) * 1987-06-26 1987-08-05 Birns Uk Ltd Electrical switches
GB9112878D0 (en) * 1991-06-14 1991-07-31 Cqr Security Components Ltd Alarm assembly
FI104126B1 (en) * 1997-11-27 1999-11-15 Jaakko Oskari Jakobsson Arrangement for monitoring, measuring and / or detecting flows, in particular leaks, in piping
EP3032236B1 (en) * 2014-12-09 2018-03-21 Honeywell Technologies Sarl Fluid flow detection device and assembly comprising a fluid flow detection device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3200214A (en) * 1962-02-19 1965-08-10 Fred B Aubert Flow control devices
US3297843A (en) * 1964-11-30 1967-01-10 Combustion Eng Flow-no flow switch
US3551620A (en) * 1969-03-14 1970-12-29 Jimmie N Hoover Flow,no-flow device
BE881072A (en) * 1980-01-10 1980-05-02 R & D N V WATER CONTROLLED SWITCH

Also Published As

Publication number Publication date
NL8100236A (en) 1981-12-01
GB2076591A (en) 1981-12-02
FR2481840A1 (en) 1981-11-06
GB2076591B (en) 1983-12-07
IT8121374A0 (en) 1981-04-24
FR2481840B1 (en) 1985-04-05
DE3116493A1 (en) 1982-03-18

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