CA1003015A - Pressure switch - Google Patents

Pressure switch

Info

Publication number
CA1003015A
CA1003015A CA195,143A CA195143A CA1003015A CA 1003015 A CA1003015 A CA 1003015A CA 195143 A CA195143 A CA 195143A CA 1003015 A CA1003015 A CA 1003015A
Authority
CA
Canada
Prior art keywords
pressure switch
switch
pressure
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
CA195,143A
Inventor
Frank G. Weis
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.)
Ecodyne Corp
Original Assignee
Ecodyne Corp
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 Ecodyne Corp filed Critical Ecodyne Corp
Application granted granted Critical
Publication of CA1003015A publication Critical patent/CA1003015A/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
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Safety Valves (AREA)
CA195,143A 1973-06-13 1974-03-15 Pressure switch Expired CA1003015A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00369638A US3842224A (en) 1973-06-13 1973-06-13 Pressure switch with diaphragm for liquid bearing solids

Publications (1)

Publication Number Publication Date
CA1003015A true CA1003015A (en) 1977-01-04

Family

ID=23456275

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195,143A Expired CA1003015A (en) 1973-06-13 1974-03-15 Pressure switch

Country Status (2)

Country Link
US (1) US3842224A (en)
CA (1) CA1003015A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH609750A5 (en) * 1976-05-07 1979-03-15 Carba Sa
US4468170A (en) * 1980-07-11 1984-08-28 Beta Technology, Inc. Low level indicator
US5136309A (en) * 1986-03-19 1992-08-04 Canon Kabushiki Kaisha Liquid injection apparatus with residual ink quantity detecting means
DE3708865C2 (en) * 1986-03-19 2001-04-19 Canon Kk Device for determining the residual ink quantity in an inkjet printer
US7700887B2 (en) * 2007-04-18 2010-04-20 Trusty Warns, Inc. Variable differential adjustor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2680168A (en) * 1952-07-07 1954-06-01 Frank W Murphy Safety switch
US3345478A (en) * 1965-11-23 1967-10-03 Harold D Hutchinson Flow responsive switch
US3448434A (en) * 1966-03-23 1969-06-03 Elton Ind Corp The Deceleration warning-indication system for motor vehicles
US3439897A (en) * 1966-06-28 1969-04-22 Hills Mccanna Co Ball valve assembly with both high and low pressure side seals
US3667725A (en) * 1968-08-07 1972-06-06 Balon Corp Unstressed seats for between flange valves

Also Published As

Publication number Publication date
US3842224A (en) 1974-10-15

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