Title: Gas-blast type circuit interrupter

Abstract: A circuit interrupter of the self-extinguishing type in which a high pressure fluid generated by an electric arc established between separable contacts is utilized in the extinction of the arc. The interrupter comprises separable contacts, a pressure-raising chamber containing an arc extinguishing gas and an arc extinguishing chamber for puffing and releasing the high pressure arc extinguishing gas at substantially right angles to the electric arc established between the separated contacts.

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Inventors: Kii, Masami (Amagasaki, JP)

Application Number: 889520
Filing Date: 1978-03-23
Publication_date: 1980-08-19
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP)
Primary Class(es): 218/51 218/94, 218/118
Other Classes:
US Patent Ref:

1902507	Mar, 1933	Juhlin	200/150.
3524958	Aug, 1970	Frink	200/150.
4032736	Jun, 1977	Ruffieux et al.	200/147.
4139752	Feb, 1979	Itai	200/148.

Other Refs:
Primary Examiner: Rubinson, Gene Z.
Assistant Examiner: Ginsburg, Morris
Attorney: Burns; Robert E., Lobato; Emmanuel J., Adams; Bruce L.