H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/207
H01H 33/32 (2006.01) H01H 33/42 (2006.01) H01H 39/00 (2006.01)
Patent
CA 1191882
13 ABSTRACT OF THE DISCLOSURE An electric circuit interrupter comprising a pair of separable contacts, an operating mechanism for opening and closing the contacts and a drive mechanism including a cylinder-piston assembly and a gas pressure generator having multiple stationary combustion chambers and a directing device for selectively directing an expulsion of gaseous medium from any one of the multiple stationary combustion chambers.
418894
Burney Ivan T.
Crookston Ronald W.
Oldham And Company
Westinghouse Electric Corporation
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