CA640670A - Contactless snap-action limit switch - Google Patents

Contactless snap-action limit switch

Info

Publication number
CA640670A
CA640670A CA640670A CA640670DA CA640670A CA 640670 A CA640670 A CA 640670A CA 640670 A CA640670 A CA 640670A CA 640670D A CA640670D A CA 640670DA CA 640670 A CA640670 A CA 640670A
Authority
CA
Canada
Prior art keywords
contactless
snap
limit switch
action limit
action
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
CA640670A
Other languages
English (en)
Inventor
P. White Marshall
Pierce Lawrence
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric 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.)
Publication date
Application granted granted Critical
Publication of CA640670A publication Critical patent/CA640670A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/2033—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnets (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
CA640670A 1958-11-18 Contactless snap-action limit switch Expired CA640670A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA640670T
US774672A US3010089A (en) 1958-11-18 1958-11-18 Contactless snap-action limit switch

Publications (1)

Publication Number Publication Date
CA640670A true CA640670A (en) 1962-05-01

Family

ID=72234597

Family Applications (1)

Application Number Title Priority Date Filing Date
CA640670A Expired CA640670A (en) 1958-11-18 Contactless snap-action limit switch

Country Status (3)

Country Link
US (1) US3010089A (enrdf_load_stackoverflow)
JP (1) JPS361180B1 (enrdf_load_stackoverflow)
CA (1) CA640670A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2378129A (en) * 1941-08-07 1945-06-12 Trist & Co Ltd Ronald Magnetic device
US2414688A (en) * 1942-08-22 1947-01-21 Trist & Co Ltd Ronald Magnetic device
US2471947A (en) * 1945-06-04 1949-05-31 Howe & Fant Inc Impulse generator for telemetering systems
US2856591A (en) * 1956-08-15 1958-10-14 Westinghouse Electric Corp Switching devices

Also Published As

Publication number Publication date
US3010089A (en) 1961-11-21
JPS361180B1 (enrdf_load_stackoverflow) 1961-03-08

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