Hall-effect motor in which the temperature of the cathode-heating device is controlled
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United States of America Patent
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Apr 12, 2016
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N/A
app pub date -
Apr 29, 2011
filing date -
Apr 29, 2010
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Abstract
A Hall effect thruster including: a discharge channel with an open downstream end; a cathode situated outside the discharge channel; an injector system configured to inject atoms of gas into the discharge channel, the injector system situated at an upstream end of the discharge channel and also forming a cathode; a heater device configured to heat the cathode; a measurement mechanism measuring temperature of the heater device, and a regulator circuit regulating the temperature such that the heater device heats so long as its temperature is less than a threshold temperature from which the thruster is capable of starting, and ceases to heat shortly after the threshold temperature has been reached.
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