Title:
Hot water storage type water heater
Document Type and Number:
Japanese Patent JP6337830
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a storage type water heater capable of positively restricting accumulation of scale inside a heat exchanger or the like for heating water.SOLUTION: A storage type water heater 1 comprises: a heat exchanger [liquid-water heat exchanger 38] for heating water; a hot water storage tank 8 for storing hot water heated by the heat exchanger; a circulating path for connecting in an annular manner a lower taking-out port 8b at the lower part of the hot water storage tank 8, a heat exchanger, and a lower returning port 8c at the lower part of the hot water storage tank 8; a pump [a water circulation pump 11] for circulating water in the circulating path to cause water taken out of the lower taking-out port 8b to return from the lower returning port 8c to inside of the hot water storage tank 8 via the heat exchanger; and a capture tool [a scale capture tool 18] for capturing scale contained in water passed through the heat exchanger when water is circulated at the circulating path. The lower returning port 8c is placed at a position that is a lower side in a vertical direction as compared with that of the lower taking-out port 8b.SELECTED DRAWING: Figure 1
More Like This:
| JP2005061787 | HOT WATER STORAGE TYPE WATER HEATER WITH BATH REHEATING FUNCTION |
| JP4079405 | Hot water storage |
Inventors:
Naoki Shibasaki
Toshiyuki Sakuma
Shuhei Naito
Toshiyuki Sakuma
Shuhei Naito
Application Number:
JP2015096631A
Publication Date:
June 06, 2018
Filing Date:
May 11, 2015
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F24H1/18; F24H9/00
Domestic Patent References:
| JP2015068628A | ||||
| JP2014076421A | ||||
| JP2014173768A | ||||
| JP2012207846A | ||||
| JP2007113836A | ||||
| JP2013064575A |
Attorney, Agent or Firm:
Mamoru Takada
Hideki Takahashi
Yasuo Koizumi
Hideki Takahashi
Yasuo Koizumi