Patent ID: 11915866
Assignee: WOODWARD, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F  Y | IPC F  H

Claim 21:
22. A coil for use in a solenoid, comprising:
an encapsulation body having at least one body de-stress feature;
a coil wound on the encapsulation body;
a sleeve forming an outermost side protective wall configured to accommodate the encapsulation body and coil therewithin;
potting provided between the encapsulation body and the sleeve to seal the coil therein; and
wherein the at least one body de-stress feature is configured to reduce at least one of a formation or a propagation of a crack through the potting to the coil and includes rounded corners on an inner side wall of the encapsulation body, an outline curvature of a transition from side walls of the sleeve to each end walls of the sleeve, and an upper end wall on at least one end of the plastic encapsulation body configured to extend from a top surface of the coil to form an outermost surface displacing the potting that would otherwise cover a top of the coil.