Title:
WATER HEATER
Document Type and Number:
Japanese Patent JP3878474
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a low-cost water heater which copes with reduction of a gas supply amount to a burner without causing temporary fluctuation of a hot water supply temperature due to an intentional and temporary reduction of an opening of a gas passage.
SOLUTION: This water heater is provided with a deviation measuring means 42 measuring a deviation between a target combustion quantity Q' of a burner, which is set by combustion control means 41 based on a measured value Θ1 of a water supply temperature by a water supply thermistor 36, a measured value Θ2 of a hot water supply temperature by a hot water supply thermistor 37, and a measured value v of a flow rate by a water flow rate sensor 35, and combustion quantity Q of the burner 1. This water heater is also provided with a correcting means 43 which correctively reduces the maximum value Qmax' of the target combustion quantity of the burner 1 based on the deviation measured by the deviation measuring means 42.
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Inventors:
Shigeru Ogiso
Keiichi Kuriki
Hideki Kitagawa
Hidenori Nagata
Keiichi Kuriki
Hideki Kitagawa
Hidenori Nagata
Application Number:
JP2001383563A
Publication Date:
February 07, 2007
Filing Date:
December 17, 2001
Export Citation:
Assignee:
Rinnai Corporation
International Classes:
F23N1/08; F24H1/10; F23N1/00; F23N5/10; F23N5/14; (IPC1-7): F24H1/10; F23N1/08; F23N5/14
Domestic Patent References:
| JP7198129A | ||||
| JP2021126A |
Attorney, Agent or Firm:
Tatsuhiko Sato
Takehiro Chiba
Takehiro Chiba
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