Electric heating – Heating devices – With heating unit structure
Patent
1984-02-06
1985-04-09
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heating unit structure
602001, 219523, 219530, 219541, 219552, 338241, 338303, 338326, H05B 302
Patent
active
045103771
ABSTRACT:
A cylindrical core of a ceramic such as alumina (Al.sub.2 O.sub.3) has grooves in the form of a double lead thread. A coil of Nichrome V is placed in the grooves, starting in one lead of the thread and returning in the other. A split ring of a ceramic such as beryllia surrounds the core. The heater is enclosed in a housing of a metal such as Inconel 600. The entire cartridge is only one inch long and 3/16 inch diameter. It is used as a catalyst bed heater for a satellite thruster.
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G. W. Joseph, Improved Monopropellant Thruster Heaters, (AFRPL-TR-81-49), Jul. 1981, available through DTIC AD B060333L, (with distribution list).
Merritt Francis L.
Taylor Charles H.
Franz Bernard F.
Mayewsky Volodymyr Y.
Singer Donald J.
The United States of America as represented by the Secretary of
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