CA408679A - Dispositif electrique a vapeurs - Google Patents

Dispositif electrique a vapeurs

Info

Publication number
CA408679A
CA408679A CA408679A CA408679DA CA408679A CA 408679 A CA408679 A CA 408679A CA 408679 A CA408679 A CA 408679A CA 408679D A CA408679D A CA 408679DA CA 408679 A CA408679 A CA 408679A
Authority
CA
Canada
Prior art keywords
electric device
vapour electric
vapour
electric
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
CA408679A
Other languages
English (en)
Inventor
J. Brown Myron
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 Canada Inc
Original Assignee
Canadian Westinghouse 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.)
Publication date
Application granted granted Critical
Publication of CA408679A publication Critical patent/CA408679A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/28—Energising current supplied by discharge tube

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
CA408679A 1939-05-05 Dispositif electrique a vapeurs Expired CA408679A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US271897A US2269842A (en) 1939-05-05 1939-05-05 Vapor electric device

Publications (1)

Publication Number Publication Date
CA408679A true CA408679A (fr) 1942-11-17

Family

ID=23037549

Family Applications (1)

Application Number Title Priority Date Filing Date
CA408679A Expired CA408679A (fr) 1939-05-05 Dispositif electrique a vapeurs

Country Status (3)

Country Link
US (1) US2269842A (fr)
CA (1) CA408679A (fr)
DE (1) DE921951C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874355A (en) * 1957-01-02 1959-02-17 Rca Corp Pulse width modulation system

Also Published As

Publication number Publication date
DE921951C (de) 1955-01-07
US2269842A (en) 1942-01-13

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