Patent ID: 9401241
Filing Date: 2016-07-26
CPC Classification: H01F

Claim Text:
1. A solenoid coil assembly configured to operate a valve assembly in a hazardous environment, comprising: a yoke having a base portion connected to two flange portions, the base portion and the two flange portions having a generally U-shaped profile; a bobbin mounted to the yoke, the bobbin having a tubular main body connected to a top plate and a bottom plate and configured to hold a coil of wire thereon; a protective housing enclosing the yoke and the bobbin, the protective housing having a plurality of generally rectangular side walls, a generally rectangular top wall, and a generally rectangular bottom wall, each of the generally rectangular top wall and the generally rectangular bottom wall having an annular opening therein for receiving the valve assembly; and encapsulation material disposed within the protective housing and surrounding the yoke and the bobbin, the encapsulation material filling the protective housing and preventing hazardous material from the hazardous environment from accumulating within the protective housing; wherein the protective housing is made of metal.