Invention Grant
US09410517B2 Fuel line 有权
输油线

Fuel line
Abstract:
A fuel line, in particular a fuel line for a gasoline direct injection line system, having an inner steel tube and an outer steel tube, wherein the inner steel tube is accommodated in the outer steel tube in a force-locking manner. The inner steel tube is made of a corrosion resistant steel and the outer steel tube is made of an outer steel tube alloy, wherein a wall thickness of the inner steel tube is smaller than a wall thickness of the outer steel tube. A maximum carbon content of the outer steel tube alloy is higher than a maximum carbon content of the corrosion resistant steel. A thickness of the fuel line amounts to between 5% and 60% of an inner diameter of the motor vehicle fluid line.
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