Refrigeration – Automatic control – Refrigeration producer
Patent
1990-09-24
1992-01-21
Tapolcai, William E.
Refrigeration
Automatic control
Refrigeration producer
62528, 137504, 138 26, 138 42, 138 43, 138 44, 138 45, 138 46, F25B 4104
Patent
active
050818473
ABSTRACT:
A variable flow restrictor valve is disclosed that is adapted to be inserted in a fluid line to provide first and second alternative flow paths therethrough in accordance with the pressure differential between inlet and outlet ends of the valve. The assembly is characterized by use of a moveable orifice tube which defines one of the alternative paths and an intermediate part of a valve housing defines a flow path which forms another alternative flow path having flow therethrough regulated by a stop disk and a valve disk both of which are fixed to the orifice tube on either side of the intermediate part to position the valve disk to either close or open the another alternative flow path in accordance with the aforesaid pressure differential.
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General Motors Corporation
Phillips Ronald L.
Tapolcai William E.
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