BLOWER

A blower has a centrifugal impeller driven by an electric motor. The centrifugal impeller has a base plate, a cover plate defining an air inlet, a plurality of blades mounted between the base plate and the cover plate, and a reinforcement ring mounted to the cover plate around the air inlet. The cov...

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Bibliographische Detailangaben
Hauptverfasser:	SHEN JUN FENG, TAM SIU CHUN, LEUNG CHING HANG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FURNITURE HEATING HUMAN NECESSITIES LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR SPICE MILLS SUCTION CLEANERS IN GENERAL TOILET ACCESSORIES WEAPONS
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Beschreibung
Zusammenfassung:	A blower has a centrifugal impeller driven by an electric motor. The centrifugal impeller has a base plate, a cover plate defining an air inlet, a plurality of blades mounted between the base plate and the cover plate, and a reinforcement ring mounted to the cover plate around the air inlet. The cover plate includes an outwardly extending flange at the air inlet. The reinforcement ring has a flange fitted around the flange of the cover plate. Each blade has cover plate mounting portions and base plate mounting portions. The cover plate has blade mounting holes engaged with the cover plate mounting portions. The base plate has blade mounting holes engaged with the base plate mounting portions. The reinforcement ring increases the strength of the cover plate, to avoid breakage under high speed rotation.