Arc-extinguisher of a switch

Details Arc-extinguisher of a switch Arc-extinguisher of a switch

1990-11-16

1991-12-31

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148A, 200148R, H01H 3370

Patent

active

050774530

ABSTRACT:
An insulative tube (93) of a switch is molded with an inserted tubular condutor (15), and a sliding contact (14) provided on outer surface of a piston (7) slides on an inner surface of the tubular conductor (15); the insulative tube (3) is thereby reinforced against the pressure of an insulation gas sealed in the insulative tube (3). The piston (7) and the tubular conductor (15) are electrically connected in a stable manner and undesirable tottering of moving contacts (8), (16) mounted on the piston (7) can be prevented.

REFERENCES:
patent: 4041263 (1977-08-01), Noeske
patent: 4268733 (1981-05-01), Garzon
patent: 4303814 (1981-12-01), Scheibe
patent: 4445018 (1984-04-01), Holmgren
patent: 4459447 (1984-07-01), Arimoto

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