Heat pump type hot water supply device

Details Heat pump type hot water supply device Heat pump type hot water supply device

2007-06-12

2007-06-12

Tapolcai, William E. (Department: 3744)

Refrigeration

Disparate apparatus utilized as heat source or absorber

With vapor compression system

C237S00800C

Reexamination Certificate

active

10495364

ABSTRACT:
A heat pump type hot water supplying apparatus includes a hot water reservoir tank (3) and a circulating path (12) for connecting a water intake port (10) formed at the bottom of the hot water reservoir tank (3) and a hot water inlet (11) formed at the upper portion of the hot water reservoir tank (3) to each other. A water circulating pump (13) and a heat exchanging path (14) are disposed on the circulating path (12). A boiling operation is performed for heating the heat exchanging path (14) by a heat pump type heating source, boiling water which has not been heated yet from the water intake port (10) and returning the heated water to the hot water inlet (11). A bypassing path (17) branched from the hot water inlet (11) and connected to the bottom of the hot water reservoir tank (3) is disposed on the circulating path (12). A freeze-proof operation by circulation is performed such that the water circulating pump (13) is driven and the water reserved in the hot water reservoir tank (3) is returned to the hot water reservoir tank (3) via the bypassing path (17).

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patent: 2002-48399 (2002-02-01), None
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