G - Physics – 01 – K
Patent
G - Physics
01
K
73/72
G01K 7/22 (2006.01) F25B 41/06 (2006.01) G05D 23/13 (2006.01) G05D 23/24 (2006.01)
Patent
CA 2038385
A mechanical refrigerant thermal expansion valve has a sensing port sealed with a cupped shape closure received therein and sealed about the cup rim. A cover assembly is removeably attached to the valve over the cup with a thermistor extending into the cup which is filled with thermally conductive grease for thermal conductivity between the cup and the thermistor. The cover assembly has an electrical connector provided thereon. The thermistor is preferably mounted on printed circuit board potted in the cover which may include electronic signal logic and power switching circuitry.
Glennon Thomas F.
Torrence Robert J.
Borden Ladner Gervais Llp
Parker-Hannifin Corporation
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