F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
62/23
F25B 41/04 (2006.01) F25B 1/047 (2006.01) F25B 31/00 (2006.01) F25B 47/02 (2006.01) F25B 49/02 (2006.01)
Patent
CA 1284035
Title LIQUID/GAS BYPASS Inventors James C. Wendschlag James W. Larson Abstract A liquid/gas bypass line bypasses an expansion device of a refrigeration apparatus. An inlet of the bypass line is connected slightly above the bottom of a condenser so that it can pass either liquid refrigerant or vaporous refrigerant, depending on the level of liquid refrigerant in the condenser. The other end of the bypass line is connected to discharge into the evaporator, bypassing the expansion device. The bypass line functions as a conventional hot gas bypass during low load conditions when the level of liquid refrigerant is below the line's inlet. When the level rises above the inlet, often occurring when the condenser coolant temperature is low and the compressor is fully loaded, the bypass line returns excess accumulated liquid refrigerant to the evaporator. Maintaining the proper levels of liquid refrigerant in both the condenser and the evaporator not only provides the most effective use of their heat transfer surfaces, but also promotes the proper return of oil to the compressor.
570155
Larson James W.
Wendschlag James C.
American Standard Inc.
Fetherstonhaugh & Co.
Larson James W.
Wendschlag James C.
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