Heated fuel line

Details Heated fuel line Heated fuel line

F - Mech Eng,Light,Heat,Weapons

02

M

123/115

F02M 31/12 (2006.01) F02M 31/125 (2006.01)

Patent

CA 1160522

HEATED FUEL LINE . Abstract of the Disclosure A heated fuel line for preventing solidifying of fuel in the fuel line of an engine in extremely low-temperature environments includes an electrical resistance heating element positioned directly inside the fuel line. A thin, tape-like heating element is preferably employed through the length of the fuel line between the tank and the con- nection to a fuel filter near the engine. Lead wires extend from the downstream end of the heating element through a fitting which carries the leads to the exterior of the fuel line. The heating element is preferably of a type including a pair of spaced conductor wires covered with and separated by a sheath of a radiation cross-linked polymer which has the property of becoming more conductive in lower temperatures and less conductive in higher tem- peratures. At lower temperatures, where heating of the fuel in the line is most needed, the element therefore produces the greatest amount of heat.

386993

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