CONTROLLING METHOD FOR COMBUSTION OF HOT WATER SUPPLYING APPARATUS

PURPOSE:To prevent a drop of a temperature of supply hot water as much as possible at the time of re-supplying hot water by continuing an operation of an air supply fan by fully closing, after a burner is flame extinguished, a damper unit, and starting combustion of the burner by opening the unit at...

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Main Authors KIYAMA KATSUYUKI, MAEDA TOSHIMASA, YASUNAGA SHIGEFUMI, BANDO SEIJI, NISHIMURA SHIGEO
Format Patent
LanguageEnglish
Published 21.01.1994
Edition5
Subjects
AIR SUPPLY
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
DRAUGHT-INDUCING
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
REGULATING OR CONTROLLING COMBUSTION
SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
VENTILATING
WEAPONS
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Summary:PURPOSE:To prevent a drop of a temperature of supply hot water as much as possible at the time of re-supplying hot water by continuing an operation of an air supply fan by fully closing, after a burner is flame extinguished, a damper unit, and starting combustion of the burner by opening the unit at the time of re-supplying the hot water. CONSTITUTION:When a hot water supplying operation is stopped, a fuel proportional valve for supplying fuel to a fuel injection nozzle 22 is closed, and a burner unit B stops its combustion. Then, a damper unit D is driven to be fully closed and stopped. However, drive of an air supply fan 13 remains continued. When hot water is, after the supplying operation is stopped, re-supplied, the unit D is opened, the valve is opened, fuel is supplied to the unit B, the unit B is ignited by an ignition plug 23 to start combustion. Thus, the drop of the temperature of the supply hot water at the time of re-supplying the hot water can be prevented.
Bibliography:Application Number: JP19920171336