Title:
給湯器
Document Type and Number:
Japanese Patent JP5788023
Kind Code:
B2
Abstract:
A hot-water supply device (1) includes a heat exchanger (4) that performs heat exchange, a hot-water supply tank (3), a delivery piping that delivers hot water from the hot-water supply tank (3) to the heat exchanger (4), a return piping that feeds the hot water from the heat exchanger (4) to the hot-water supply tank (3), and a scale adhering material (10). The scale adhering material (10) is disposed in a channel of the hot water including the hot-water supply tank (3), the delivery piping, the heat exchanger (4), and/or the return piping. When an area of an aperture (13) of the scale adhering material (10) is S, and an outer circumference is P, a representative length L of the aperture (13) defined as L = 4S/P is equal to or greater than 1.0 mm and equal to or smaller than 20 mm.
Inventors:
Kiyoji Noda
Seiji Furukawa
Seiji Furukawa
Application Number:
JP2013550210A
Publication Date:
September 30, 2015
Filing Date:
December 05, 2012
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F24H9/00; C02F5/00; F24H1/18; F28F19/00
Domestic Patent References:
| JP2011226697A | ||||
| JP2010261651A | ||||
| JP2007093082A | ||||
| JP2006095426A | ||||
| JP2010091179A | ||||
| JP64022194U | ||||
| JP2002001326A |
Attorney, Agent or Firm:
Kimura Mitsuru
Koji Yashima
Mie Hideki
Koji Yashima
Mie Hideki