Patent ID: 6375086
Filing Date: 2002-04-23
Classification: F25B,Y02B

Abstract:
An electrically operated valve assembly for controlling flow of refrigerant in a refrigeration system comprising:(a) a valve body defining an inlet port and outlet port and a valving bore communicating with the inlet port and the outlet port; (b) a spool disposed in the valving bore and moveable therein for modulating flow between the inlet port and outlet port; (c) a screw engaging said spool and operative upon rotation to effect said movement of said spool; (d) a motor attached to the valve body and connected upon energization driving said screw; (e) a sensing passage formed through the body in spaced relationship to said inlet and outlet ports and the valving chamber; and, a temperature sensor disposed in said sensing passage and operative to provide an electrical signal indicative of the temperature sensed therein.