Refrigeration – Intermediate fluid container transferring heat to heat... – Flow line connected transfer fluid supply and heat exchanger
Patent
1994-10-27
1996-02-20
Tapolcai, William E.
Refrigeration
Intermediate fluid container transferring heat to heat...
Flow line connected transfer fluid supply and heat exchanger
62436, 165 38, F25D 1702
Patent
active
054919827
ABSTRACT:
An improvement in a water chiller of the kind used for industrial processes such as electrical discharge machining (EDM). The chiller includes a reservoir for water (frequently de-ionized water), an evaporator, refrigerating apparatus such as a condenser and a compressor, and a pump; there is a supply line connection to an electrical discharge machining apparatus or other industrial process apparatus, and a return line connection. The pressure in the return line is usually lower than the pressure in the supply line. The improvement includes a fitting connected in series in the supply line and a bypass line connected to that fitting to afford a bypass flow of water in parallel with the process apparatus. A flow-limiting orifice member in series in the bypass line limits the bypass flow to a predetermined rate; the rate may be determined by the pressure differential between the supply and return lines. All fittings are formed of non-ionizing resins such as nylon; the orifice member is stainless steel. There is no valve in the bypass.
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AEC, Inc. Bulletin AE2-115.1 (1994).
AEC, Inc.
Tapolcai William E.
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