GB202427A - Improvements in or relating to electro-magnetically controlled switching apparatus - Google Patents

Improvements in or relating to electro-magnetically controlled switching apparatus

Info

Publication number
GB202427A
GB202427A GB1453022A GB1453022A GB202427A GB 202427 A GB202427 A GB 202427A GB 1453022 A GB1453022 A GB 1453022A GB 1453022 A GB1453022 A GB 1453022A GB 202427 A GB202427 A GB 202427A
Authority
GB
United Kingdom
Prior art keywords
electro
switching apparatus
relating
controlled switching
magnetically controlled
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
GB1453022A
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.)
Creed and Co Ltd
Original Assignee
Creed and 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.)
Filing date
Publication date
Application filed by Creed and Co Ltd filed Critical Creed and Co Ltd
Priority to GB1453022A priority Critical patent/GB202427A/en
Publication of GB202427A publication Critical patent/GB202427A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/86—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve

Landscapes

  • Selective Calling Equipment (AREA)
  • Lock And Its Accessories (AREA)

Abstract

202,427. Creed & Co., Ltd., and Creed, F. G. May 23, 1922. Keying systems and apparatus.-In switching apparatus which can be used as a key in transmitting apparatus, a relay n is associated with say a wheatstone transmitter and controls an air engine m which operates switch contacts a, d in the high tension circuit.
GB1453022A 1922-05-23 1922-05-23 Improvements in or relating to electro-magnetically controlled switching apparatus Expired GB202427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1453022A GB202427A (en) 1922-05-23 1922-05-23 Improvements in or relating to electro-magnetically controlled switching apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1453022A GB202427A (en) 1922-05-23 1922-05-23 Improvements in or relating to electro-magnetically controlled switching apparatus

Publications (1)

Publication Number Publication Date
GB202427A true GB202427A (en) 1923-08-23

Family

ID=10042851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1453022A Expired GB202427A (en) 1922-05-23 1922-05-23 Improvements in or relating to electro-magnetically controlled switching apparatus

Country Status (1)

Country Link
GB (1) GB202427A (en)

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