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US 12,459,654 B2Granted
Smart heater for aircraft generator freeze protection
AssigneeHamilton Sundstrand Corporation
InventorsAshutosh Joshi, Chukwunyere Ofoegbu, Debabrata Pal
Life of this patent
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Abstract
A ram air turbine assembly includes one or more airfoils and a ram turbine operably connected to the one or more airfoils. The ram air turbine includes: a rotor; a stator that includes windings; and a self-regulating heater coupled to the stator. The self-regulating heater configured to vary power that passes through it based on a temperature of the heater.
Claims10
A ram air turbine assembly comprising:
- one or more airfoils;
- and
- a ram turbine operably connected to the one or more airfoils, the ram air turbine comprising:
- a rotor;
- a stator surrounding the rotor and that includes windings;
- and
- a self-regulating heater disposed on an outer surface of the stator, the self-regulating heater configured to vary power that passes through it based on a temperature of the heater;
- wherein the heater includes:
- first and second electrodes;
- and
- a silicone matrix that includes conductive particles therein.
8 more elements
Dependencies are inferred from the claim text.