Electric heating – Metal heating – By arc
Patent
1992-10-02
1994-10-25
Paschall, Mark H.
Electric heating
Metal heating
By arc
21912157, 21912152, 602031, 307 71, 307 85, B23K 906, B23K 9073
Patent
active
053591801
ABSTRACT:
A power supply system for thrusters (e.g., arcjet thrusters) in a spacecraft system comprises lightweight, redundant power supplies that share the power distribution function to the thrusters. Each power supply comprises a plurality of parallel-connected power supply subunits of which the combined power output capability exceeds the required maximum power demand by at least one subunit capacity for each arcjet thruster in the system. Each power supply subunit comprises a lightweight, high-frequency, soft-switching power supply. For arcjet systems comprising arcjet thrusters that do not operate simultaneously, relays are employed to switch between thrusters.
REFERENCES:
patent: 4644140 (1987-02-01), Kenny et al.
patent: 4717833 (1988-01-01), Small
patent: 4729086 (1988-03-01), Lethellier
patent: 4766724 (1988-08-01), Gruber
patent: 4788449 (1988-11-01), Katz
Goodman George D.
Park John N.
Steigerwald Robert L.
Stewart David B.
Berard C. A.
General Electric Company
Meise W. H.
Paschall Mark H.
Young S. A.
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