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Patent Searching and Data


Title:
HEAT PUMP TYPE WATER HEATER
Document Type and Number:
Japanese Patent JP2010286131
Kind Code:
A
Abstract:

To obtain a heat pump type water heater capable of easily using intermediate temperature water in a hot water storage tank for hot water supply by simple control.

When constituting the heat pump type water heater 150A, a high temperature water takeout pipe 50 is connected to the upper part of the hot water storage tank 20, and an intermediate temperature water takeout pipe 65 is connected to the intermediate part of the hot water storage tank. The outlet side of the high temperature water takeout pipe and the outlet side of a water supply pipe are connected to a mixing valve 55, and a first hot water supply pipe 60 is connected to the outlet side of the mixing valve. The outlet side of the first hot water supply pipe and the outlet side of the intermediate temperature water takeout pipe are connected to a three-way valve 70, and a second hot water supply pipe 75 is connected to the outlet side of the three-way valve. By controlling operations of the mixing valve and the three-way valve by a control device 120A, intermediate temperature water in the hot water storage tank is made to flow from the intermediate temperature water takeout pipe to the three-way valve and to the second hot water supply pipe, and used for hot water supply.


Inventors:
Endo, Shugo
Hiraoka, SO
Application Number:
JP2009000138303
Publication Date:
December 24, 2010
Filing Date:
June 09, 2009
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F24H1/00; F24H1/18
Attorney, Agent or Firm:
酒井 宏明