BLOWER, ELECTRIC MOTOR AND ASSOCIATED METHOD

BLOWER, ELECTRIC MOTOR AND ASSOCIATED METHOD

A blower (10) includes an impeller housing (18, 20), an impeller (12) rotatably secured to the housing and an electric motor (14). The motor has a motor housing (56) with a central portion (66) and a radially extending portion (64)extending from the central portion, a venturi chamber (809) adjacent...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KLOPP, Mark Lyon, MARKS, Michael Allen, EAGLETON, C. Scott, ROHOZA, Rafal Pawel, KREIDLER, Jason Jon, DRYE, Edward L
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Beschreibung
Zusammenfassung:A blower (10) includes an impeller housing (18, 20), an impeller (12) rotatably secured to the housing and an electric motor (14). The motor has a motor housing (56) with a central portion (66) and a radially extending portion (64)extending from the central portion, a venturi chamber (809) adjacent the motor housing and opposed to the impeller housing, a stator (30) secured to the central portion of the motor housing, a rotor (32) rotatably secured to the central portion of the housing, and at least one heat generating electrical component (46) secured to the radially extending portion of the motor housing. The impeller housing has a first air pressure therein and the motor housing (56) has a second air pressure therein different that the first air pressure. The venturi housing and the motor housing define a passageway (883) therebetween whereby the difference in air pressure generates air flow within the motor housing to cool the at least one heat generating electrical component (46).