Title:
WATER HEATER
Document Type and Number:
Japanese Patent JP2016161189
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To solve a problem that in some cases, in a freezing preventive operation of a conventional water heater, a heat generating component such as an electric heater is additionally used depending on a portion requiring the freezing preventive operation.SOLUTION: A water heater in this embodiment includes: a heating device for converting water flowing in a water heat exchanger into hot water; a main hot water storage tank having a vertically long cylindrical shape and storing the hot water generated by the water heat exchanger; a first auxiliary hot water storage tank having a vertically long cylindrical shape and connected to the main hot water storage tank; a hot water supply passage for connecting the water heat exchanger and an upper portion of the main hot water storage tank with each other; lower piping for connecting a lower portion of the main hot water storage tank and an upper portion of the first auxiliary hot water storage tank with each other; lower piping connected to a lower portion of the first auxiliary hot water storage tank; second hot water piping connected to the water heat exchanger via the lower piping of the auxiliary hot water storage tank; and water discharge piping branched from a middle portion of the lower piping of the auxiliary hot water storage tank.SELECTED DRAWING: Figure 1
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Inventors:
MORIZONO TAKAHIRO
Application Number:
JP2015039214A
Publication Date:
September 05, 2016
Filing Date:
February 27, 2015
Export Citation:
Assignee:
TOSHIBA CARRIER CORP
International Classes:
F24H1/18
Domestic Patent References:
| JP2005188864A | 2005-07-14 | |||
| JP2002048405A | 2002-02-15 | |||
| JPH085145A | 1996-01-12 | |||
| JP2011007340A | 2011-01-13 | |||
| JP2005265213A | 2005-09-29 |
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