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GB336230A - Improvements in electric switches in which compressed gas is used for preventing sparking - Google Patents

Improvements in electric switches in which compressed gas is used for preventing sparking

Info

Publication number
GB336230A
GB336230A GB20973/29A GB2097329A GB336230A GB 336230 A GB336230 A GB 336230A GB 20973/29 A GB20973/29 A GB 20973/29A GB 2097329 A GB2097329 A GB 2097329A GB 336230 A GB336230 A GB 336230A
Authority
GB
United Kingdom
Prior art keywords
compressed gas
electric switches
preventing sparking
sparking
preventing
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
GB20973/29A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB336230A publication Critical patent/GB336230A/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
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
    • H01H33/7046—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
GB20973/29A 1928-08-06 1929-07-08 Improvements in electric switches in which compressed gas is used for preventing sparking Expired GB336230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1947230X 1928-08-06

Publications (1)

Publication Number Publication Date
GB336230A true GB336230A (en) 1930-10-08

Family

ID=7750779

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20973/29A Expired GB336230A (en) 1928-08-06 1929-07-08 Improvements in electric switches in which compressed gas is used for preventing sparking

Country Status (2)

Country Link
US (1) US1947230A (en)
GB (1) GB336230A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486127A (en) * 1944-06-26 1949-10-25 Gen Electric Air blast electric circuit breaker
US2439952A (en) * 1944-08-31 1948-04-20 Westinghouse Electric Corp Circuit interrupter
CH406357A (en) * 1964-03-26 1966-01-31 Sprecher & Schuh Ag Switch for high voltage direct current
US3629532A (en) * 1970-02-20 1971-12-21 Sun Electric Corp Immediately responsive fluid flow operated switch with normally closed spring contact in flow channel

Also Published As

Publication number Publication date
US1947230A (en) 1934-02-13

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