Fail-safe blower drive for roof mounted kitchen hood grease exhaust blowers

A roof mountable kitchen grease exhaust blower is constructed with hinged housing elements which can be raised for easy service access to all parts of the unit. Redundant blower drive motors are provided either of which can be easily engaged to the blower wheel in the event of failure of the other....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KAUFMAN, ARNOLD S
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS OTHER DOMESTIC STOVES OR RANGES POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A roof mountable kitchen grease exhaust blower is constructed with hinged housing elements which can be raised for easy service access to all parts of the unit. Redundant blower drive motors are provided either of which can be easily engaged to the blower wheel in the event of failure of the other. A blower wheel drive belt is equally engageable to either drive motor and changeover from one to the other is easily and quickly made by minimally skilled personnel. The newly engaged drive motor is enabled by a power select switch at the blower control panel.