DOUBLE-PIPE HEAT EXCHANGER AND HEAT-PUMP TYPE WATER HEATER

PROBLEM TO BE SOLVED: To provide a double-pipe heat exchanger having corrosion prevention means for preventing an outer surface part of an inner pipe in which refrigerant flows from being oxidation corroded with gas bubbles generated from hot water and provide a heat-pump type water heater including...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	EDA AKITO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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