Patent ID: 7789620

Claim:
A gas turbine engine component comprising: a component body susceptible to ice formation; and an electrothermal heater assembly for anti-icing and deicing a component, the component body electrothermal heater assembly comprising: a metallic heating element; and a densely woven fabric layer adjacent to the metallic heating element and attaching the metallic heating element to the component body, the fabric layer impregnated with a thermoset adhesive capable of being load-bearing at a heater assembly operating temperature of up to 550° F., wherein the fabric layer includes a fabric material selected from a group consisting of a fiberglass fabric, a ceramic fiber fabric, polymer film, and combinations thereof; and wherein the fabric layer includes about 45 to about 70 percent by volume of the fabric material and about 30 to about 55 percent by volume thermoset adhesive.