IT1022734B - Mezzo di azionamento per u interruttore a pressione - Google Patents

Mezzo di azionamento per u interruttore a pressione

Info

Publication number
IT1022734B
IT1022734B IT2823874A IT2823874A IT1022734B IT 1022734 B IT1022734 B IT 1022734B IT 2823874 A IT2823874 A IT 2823874A IT 2823874 A IT2823874 A IT 2823874A IT 1022734 B IT1022734 B IT 1022734B
Authority
IT
Italy
Prior art keywords
operating means
pressure switch
switch
pressure
operating
Prior art date
Application number
IT2823874A
Other languages
English (en)
Original Assignee
Europe Mfg Trust
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
Priority claimed from US05/458,948 external-priority patent/US4104495A/en
Application filed by Europe Mfg Trust filed Critical Europe Mfg Trust
Application granted granted Critical
Publication of IT1022734B publication Critical patent/IT1022734B/it

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
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Push-Button Switches (AREA)
IT2823874A 1973-10-10 1974-10-09 Mezzo di azionamento per u interruttore a pressione IT1022734B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40522573A 1973-10-10 1973-10-10
US05/458,948 US4104495A (en) 1973-10-10 1974-04-08 Pressure switch and actuating means responsive to low pressure

Publications (1)

Publication Number Publication Date
IT1022734B true IT1022734B (it) 1978-04-20

Family

ID=27018981

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2823874A IT1022734B (it) 1973-10-10 1974-10-09 Mezzo di azionamento per u interruttore a pressione

Country Status (7)

Country Link
JP (1) JPS5827609B2 (it)
AU (1) AU497009B2 (it)
CA (1) CA1022975A (it)
DE (1) DE2448329A1 (it)
FR (1) FR2247801B1 (it)
GB (1) GB1464637A (it)
IT (1) IT1022734B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535707C2 (de) * 1975-08-09 1985-02-28 Karl Dungs Gmbh & Co, 7067 Urbach Druckwächter
US4081637A (en) * 1976-06-21 1978-03-28 Robertshaw Controls Company Pressure operated switch construction having a one-piece base and control shaft bracket structure
US4307272A (en) * 1979-02-21 1981-12-22 The Echlin Manufacturing Company Pressure actuated switch
FR2472827A1 (fr) * 1979-12-26 1981-07-03 Crouzet Sa Commutateur a action brusque
US4490708A (en) * 1982-06-24 1984-12-25 General Electric Company Condition responsive electric switch system, electrical switching device and method of operation thereof
US4532390A (en) * 1982-11-17 1985-07-30 Signal Lux S.P.A. Diaphragm pressure switch for controlling small pressure gradients
EP0169280A1 (en) * 1984-07-24 1986-01-29 AB Electronic Components Limited Pressure switch
GB2287128A (en) * 1994-03-03 1995-09-06 M & G Tankers & Trailers Ltd Fluid operated switch
DE102010041280B4 (de) * 2010-09-23 2012-12-27 Siemens Aktiengesellschaft Druckschalteinrichtung mit ansteuerbarem Rückstellglied zur Diagnose der Funktionsfähigkeit bei anliegendem Arbeitsdruck

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4515391Y1 (it) * 1966-12-19 1970-06-27

Also Published As

Publication number Publication date
DE2448329A1 (de) 1975-04-17
AU7420974A (en) 1976-04-15
GB1464637A (en) 1977-02-16
JPS5077873A (it) 1975-06-25
FR2247801B1 (it) 1979-03-16
FR2247801A1 (it) 1975-05-09
CA1022975A (en) 1977-12-20
AU497009B2 (en) 1978-11-23
JPS5827609B2 (ja) 1983-06-10

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