Fume exhaust fan for gas water heater

A fume exhaust fan for a gas water heater comprises an exhaust fume collecting hood with a lower opening, a base back cover, a fan and a motor. The top of the exhaust fume collecting hood is provided with an exhaust fume outlet, the lower end of the base back cover is connected with the exhaust fume...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG XIAOLI, ZHU BINGU, JIANG GUANGHUI, YANG WEIYUN, HUANG YUANYANG, YANG SHIBAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES FLUES FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING RANGES REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A fume exhaust fan for a gas water heater comprises an exhaust fume collecting hood with a lower opening, a base back cover, a fan and a motor. The top of the exhaust fume collecting hood is provided with an exhaust fume outlet, the lower end of the base back cover is connected with the exhaust fume outlet, a side outlet of the base back cover is fixedly connected with a front volute board of a volute of the fan, and the base back cover is manufactured in an overall stretched mode. The fume exhaust fan is characterized in that the top of the exhaust fume collecting hood is provided with an installation position of the base back cover, the exhaust fume outlet is arranged at one side of the installation position, the lower end of the base back cover is provided with an insertion lug, the bottom end face of the base back cover is attached to a top plate of the exhaust fume collecting hood at the installation position of the exhaust fume collecting hood to achieve the purpose of air seal, the top of the exhaust f