Refrigeration – Automatic control – Refrigeration producer
Patent
1992-04-21
1993-08-31
Wayner, William E.
Refrigeration
Automatic control
Refrigeration producer
62510, 62DIG2, F25B 110
Patent
active
052398358
ABSTRACT:
The present inventions are intended to improve heat efficiency of a refrigeration system having plural refrigerating cycles of different evaporating or condensing temperatures typically used in breweries. Each of main lines of different evaporating temperatures are connected with each of suction lines to a compressor respectively, to enable the system to save energy and to establish a back-up system of compressors. A different condensing temperature system having a common refrigerant source is provided with refrigerant transferring means to transfer refrigerant from an refrigerant excess cycle to an refrigerant insufficiency cycle. The refrigerating cycles are arranged in parallel and the evaporators are connected to form a liquid path, through which a liquid stream flows in series to be chilled in the evaporators, as well as to form a refrigerant path for a refigerant stream of each rerigerating cycle, individually, and further are arranged in order from a high evaporating temperature of refrigerant to low one along the liquid path from the upstream to the downstream.
REFERENCES:
patent: 2453095 (1948-11-01), McGrath
patent: 4193270 (1980-03-01), Scott
Kitaguchi Masaru
Sakashita Shigeru
Asahi Breweries Ltd.
Mayekawa Mfg. Co., Ltd.
Wayner William E.
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