Refrigeration – Processes – Congealing flowable material – e.g. – ice making
Patent
1997-05-01
1998-08-18
Tapolcai, William E.
Refrigeration
Processes
Congealing flowable material, e.g., ice making
62278, 62352, F25C 510
Patent
active
057944520
ABSTRACT:
An icemaker incorporating a hot gas bypass system for introducing a supplemental quantity of refrigerant from a condenser into a compressor of the icemaker during a harvest cycle. The system includes a harvest bypass valve disposed in a bypass conduit coupled between an input port of the compressor and the inlet of a remotely disposed condenser. The harvest bypass valve is opened by a system controller of the icemaker during a harvest cycle which allows refrigerant in the condenser to migrate back into the input port of the compressor during the harvest cycle. In this manner, it can be insured that a sufficient quantity of refrigerant is available to carry out the harvest cycle. The adding of a supplemental quantity of refrigerant is further accomplished through a single valve and does not add appreciably to the overall cost or complexity of the icemaker.
REFERENCES:
patent: 5575158 (1996-11-01), Vogel
patent: 5584186 (1996-12-01), Hirano
Allison Matthew W.
Baker Melvin A.
Black William J.
Van Riper Gary L.
Scotsman Group, Inc.
Tapolcai William E.
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