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US 9,429,120 B2Granted
Detecting leaks in a feedthrough device
AssigneeWoodward, Inc.
InventorsRoger M. Kifer, Steven A. DeHerrera, Gregory J. Brodsack, Timothy J. Farrow
Life of this patent
Estimating the term…
Abstract
A feedthrough device includes first and second opposing outer end faces. The feedthrough device includes an opening, between the first and second opposing outer end faces, that allows fluid communication between an interior and an exterior of the feedthrough device. A conductor extends through the feedthrough device from the first end face, through the interior, to the second end face.
Claims22
A fuel injector system comprising:
- a partition between a high pressure zone, a low pressure zone, and a leak detection port of the fuel injector system;
- and
- a feedthrough device disposed in the partition between the high pressure zone, the low pressure zone, and the leak detection port, the feedthrough device comprising a continuous feedthrough body and one or more conductors extending through the feedthrough body, the continuous feedthrough body having a first outer end face at the high pressure zone, a second outer end face opposite the first end at the low pressure zone, an outer surface extending between the first outer end face and the second outer end face, and an internal cavity defined therewithin, the conductors passing between and exposed to both the high pressure zone and the low pressure zone within the internal cavity, and one or more fluid passages through the outer surface of the continuous feedthrough body allowing fluid communication between the internal cavity and the leak detection port.
A feedthrough device comprising:
- a continuous feedthrough body having a first outer end face at a high pressure zone of a fuel injector system, a second outer end face opposite the first end at the low pressure zone of the fuel injector system, an outer surface extending between the first outer end face and the second outer end face, and defining an internal cavity,
- one or more fluid passages through the outer surface of the continuous feedthrough body allowing fluid communication between the internal cavity and the outer surface of the continuous feedthrough body;
- and
- one or more conductors extending through the continuous feedthrough body between and exposed to both the high pressure zone and the low pressure zone, the conductors passing within the internal cavity.
1 more element
Dependencies are inferred from the claim text.