GB305480A - Improvements in and relating to electric circuit interrupting devices - Google Patents

Improvements in and relating to electric circuit interrupting devices

Info

Publication number
GB305480A
GB305480A GB3704/29A GB370429A GB305480A GB 305480 A GB305480 A GB 305480A GB 3704/29 A GB3704/29 A GB 3704/29A GB 370429 A GB370429 A GB 370429A GB 305480 A GB305480 A GB 305480A
Authority
GB
United Kingdom
Prior art keywords
relating
electric circuit
circuit interrupting
interrupting devices
devices
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
GB3704/29A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB305480A publication Critical patent/GB305480A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
GB3704/29A 1928-02-04 1929-02-04 Improvements in and relating to electric circuit interrupting devices Expired GB305480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US251987A US1780684A (en) 1928-02-04 1928-02-04 Circuit-interrupting device

Publications (1)

Publication Number Publication Date
GB305480A true GB305480A (en) 1930-05-01

Family

ID=22954186

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3704/29A Expired GB305480A (en) 1928-02-04 1929-02-04 Improvements in and relating to electric circuit interrupting devices

Country Status (2)

Country Link
US (1) US1780684A (en)
GB (1) GB305480A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157765A (en) * 1961-08-30 1964-11-17 Cutler Hammer Inc Mounting structure for electromagnetic contactor
US4266209A (en) * 1979-11-09 1981-05-05 Gould Inc. Circuit breaker handle and lost motion connected shield
DE3413555A1 (en) * 1984-04-11 1985-10-24 Brown, Boveri & Cie Ag, 6800 Mannheim DELETING DEVICE FOR ELECTRICAL SWITCHES
US4843194A (en) * 1985-07-12 1989-06-27 Square D Company Air break contactor
US5990439A (en) * 1998-03-26 1999-11-23 Siemens Energy & Automation, Inc. Compartmentalized arc chamber
US5969308A (en) * 1998-04-02 1999-10-19 Siemens Energy & Automation, Inc. Rotary switch including spring biased knife blade contacts
US5945650A (en) * 1998-04-02 1999-08-31 Siemens Energy & Automation,Inc. Polyphase rotary switch including arc chamber system with arc grids, line shields and baffles
DE102009057093B4 (en) * 2009-12-04 2011-12-15 Abb Ag Installation switching device with an arc quenching device

Also Published As

Publication number Publication date
US1780684A (en) 1930-11-04

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