IT7828933A0 - Meccanismo d'azionamento pneumatico per interruttori di circuito. - Google Patents

Meccanismo d'azionamento pneumatico per interruttori di circuito.

Info

Publication number
IT7828933A0
IT7828933A0 IT7828933A IT2893378A IT7828933A0 IT 7828933 A0 IT7828933 A0 IT 7828933A0 IT 7828933 A IT7828933 A IT 7828933A IT 2893378 A IT2893378 A IT 2893378A IT 7828933 A0 IT7828933 A0 IT 7828933A0
Authority
IT
Italy
Prior art keywords
actuating mechanism
circuit breakers
pneumatic actuating
pneumatic
breakers
Prior art date
Application number
IT7828933A
Other languages
English (en)
Other versions
IT1100981B (it
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.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT7828933A0 publication Critical patent/IT7828933A0/it
Application granted granted Critical
Publication of IT1100981B publication Critical patent/IT1100981B/it

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
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
    • H01H33/304—Working fluid supplies
IT28933/78A 1977-10-26 1978-10-20 Meccanismo d'azionamento pneumatico per interruttori di circuito IT1100981B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/845,769 US4213020A (en) 1977-10-26 1977-10-26 Pneumatic operating mechanism for a circuit-breaker

Publications (2)

Publication Number Publication Date
IT7828933A0 true IT7828933A0 (it) 1978-10-20
IT1100981B IT1100981B (it) 1985-09-28

Family

ID=25296057

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28933/78A IT1100981B (it) 1977-10-26 1978-10-20 Meccanismo d'azionamento pneumatico per interruttori di circuito

Country Status (6)

Country Link
US (1) US4213020A (it)
JP (1) JPS5472472A (it)
CA (1) CA1108674A (it)
GB (1) GB1603270A (it)
IT (1) IT1100981B (it)
NO (1) NO783606L (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531031A (en) * 1981-11-13 1985-07-23 Westinghouse Electric Corp. Pneumatic operating mechanism for a circuit breaker
US4463229A (en) * 1981-11-13 1984-07-31 Westinghouse Electric Corp. Pneumatic operating mechanism for a circuit breaker
FR2547108B1 (fr) * 1983-05-30 1986-07-04 Gratzmuller Claude Commande oleopneumatique pour disjoncteurs electriques
US20050045595A1 (en) * 2003-09-03 2005-03-03 Christian Daehler Pressure-limiting valve for a puffer interrupter assembly
JP2007149902A (ja) * 2005-11-28 2007-06-14 Sumitomo Metal Electronics Devices Inc 電子部品収納用セラミックパッケージ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901679A (en) * 1931-03-10 1933-03-14 Gen Electric Gas blast circuit breaker
JPS5125775A (ja) * 1974-08-27 1976-03-02 Tokyo Shibaura Electric Co Gasushadanki

Also Published As

Publication number Publication date
NO783606L (no) 1979-04-27
US4213020A (en) 1980-07-15
JPS5472472A (en) 1979-06-09
GB1603270A (en) 1981-11-25
CA1108674A (en) 1981-09-08
IT1100981B (it) 1985-09-28

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