Direct current switching apparatus

Details Direct current switching apparatus Direct current switching apparatus

1994-02-24

1995-05-16

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

335202, 218 1, H01H 6702

Patent

active

054164559

ABSTRACT:
A two-pole switch for DC current has a housing formed by a pair of open shells abutting each other to enclose components of the apparatus. Each shell rigidly holds a stationary contact, and an actuator is pivotally coupled to the shells. A pair of movable contacts are pivotally attached to the actuator so that each movable contact touches one stationary contact when the actuator is in a first position and the contacts are separated when the actuator is in a second position. A spine plate is between the shells and electrically separates the two stationary contacts and arc extinguishing chambers. A solenoid is within the housing aligned with the contacts and drives the actuator between the second and first positions to close the contacts.

REFERENCES:
patent: 4800352 (1989-01-01), Haury et al.
patent: 5004874 (1991-04-01), Theisen et al.
patent: 5130504 (1992-07-01), Moldovan et al.
patent: 5138122 (1992-08-01), Moldovan et al.
patent: 5163175 (1992-11-01), Mori et al.
patent: 5235303 (1993-08-01), Xiao

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