Jansen's Aircraft Controls Systems, Inc.

Douglas W Knight

Kevin W Deutscher

David G Hayward

Jerame James Powell

A servo valve has a heatsink housing with a plurality of external fins. The heatsink housing contains an electromagnet arrangement and a valve arrangement. The electromagnet arrangement has a magnet assembly, a coil assembly, pole pieces, and an armature acted upon by flux generated by the electromagnet. A conductive support member connects the coil assembly to the heatsink housing. The valve arrangement has a valve member driven by the armature to control flow between an inlet port and an outlet port. The valve arrangement is positioned in the heatsink housing on an opposite side of a seal plate from the electromagnet arrangement. The support member holds the coil assembly spaced from the seal plate and in a thermally conductive path to the heatsink housing.

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Scottsdale, AZ, United States of America

Douglas W Knight