F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
F04D 15/00 (2006.01) A47L 5/22 (2006.01) A47L 9/28 (2006.01) F04D 25/08 (2006.01) F24F 11/04 (2006.01) H02K 7/14 (2006.01) H02K 11/04 (2006.01)
Patent
CA 2342577
An electric blower comprises a motor unit having a stator and a rotor , a fan unit having an impeller attached to an output shaft of the rotor , and a circuit unit having a heat-generating component for controlling electric power to the motor unit. The circuit unit is disposed in an airflow path of air expelled from an outer periphery of the impeller toward the stator and the rotor of the motor unit. The air suctioned by rotation of the impeller cools the heat-generating component in the circuit unit before cooling the stator and the rotor.
Morishita Kazuhisa
Murata Yoshitaka
Nishimura Tsuyoshi
Tokuda Tsuyoshi
Yamaguchi Seiji
Matsushita Electric Industrial Co. Ltd.
Smart & Biggar
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