Title:
HEAT PUMP TYPE WATER HEATER
Document Type and Number:
Japanese Patent JP3915799
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent freezing of a drain water receiver for receiving drain water generated in an evaporator, in a heat pump type water heater of a hot water storage type.
SOLUTION: This heat pump type water heater is constituted so as to drain expansion water coming out of a pressure relief valve 92 of a hot water storage tank 40 to the drain water receiver 91 of the evaporator 24. Thus, freezing of the drain water receiver 91 is prevented, and the drain water can be surely and normally drained from the drain water receiver 91, to prevent water covering of the other part by an overflow of the drain water.
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Inventors:
Nobuhiko Fujiwara
Takeshi Watanabe
Masahiro Ohama
Keijiro Kunimoto
Flock
Seiichi Yasuki
Kazuhiko Marumoto
Takayuki Takaya
Tetsuhide Kuramoto
Takeshi Watanabe
Masahiro Ohama
Keijiro Kunimoto
Flock
Seiichi Yasuki
Kazuhiko Marumoto
Takayuki Takaya
Tetsuhide Kuramoto
Application Number:
JP2004176804A
Publication Date:
May 16, 2007
Filing Date:
June 15, 2004
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
F24H1/00; F24D17/00; F24H9/00; F24H9/16; F25B1/00
Domestic Patent References:
| JP7098156A | ||||
| JP58055643A | ||||
| JP2003322412A |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano