WATER-COOLED ELECTRIC APPARATUS

PROBLEM TO BE SOLVED: To reduce energy loss of a heater by preventing excessive temperature drop of cooling water.SOLUTION: A water-cooled electric apparatus comprises: an electric apparatus 2 arranged indoors; a pump 3 which circulates cooling water for cooling the electric apparatus; a cooler 5 ar...

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Hauptverfasser:	TADOKORO MICHIHIRO, ASAOKA MASAHISA, MUTO KAZUYUKI, OGUSA SHINICHI, SHIMOKAJI NOBUKI, TERAMOTO HITOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PRINTED CIRCUITS REFRIGERATION OR COOLING REFRIGERATORS SEMICONDUCTOR DEVICES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce energy loss of a heater by preventing excessive temperature drop of cooling water.SOLUTION: A water-cooled electric apparatus comprises: an electric apparatus 2 arranged indoors; a pump 3 which circulates cooling water for cooling the electric apparatus; a cooler 5 arranged outdoors for cooling the cooling water; a heater 6 which heats the cooling water; main piping 4 which forms a closed loop in which the cooling water circulates among the electric apparatus, the pump, the cooler, and the heater; bypass piping 11 which bypasses the main piping 4 at a section between branching portions 9 and 10 respectively provided on an inlet side and an outlet side of the cooler for shunting the cooling water; and at least one of a first flow control valve 7 provided between both of the branching portions in the main piping or a second flow control valve 12 provided in the bypass piping.