One-time-close relay useful in spacecraft power systems

Details One-time-close relay useful in spacecraft power systems One-time-close relay useful in spacecraft power systems

1990-04-23

1991-06-18

Picard, Leo P.

Electricity: circuit makers and breakers

Electric switch details

Contact

335 83, 335196, H01H 102

Patent

active

050251198

ABSTRACT:
A relay (30) has one or both current carrying relay contacts (12, 14) made of a soft, deformable, readily fusible metal, preferably indium, lead, cadmium, bismuth, or tin. When the relay (30) closes, the contacts (12, 14) deform or fuse together, ensuring good electrical conductance and eliminating chatter and accidental opening. The relay (30) is particularly useful in a bypass circuit (54) for a spacecraft battery system (50).

REFERENCES:
patent: 3859491 (1975-01-01), Larson
patent: 4376926 (1983-03-01), Senor

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