Pumps – Motor driven – Motor within rotary pumping member
Patent
1987-07-02
1988-09-27
Smith, Leonard E.
Pumps
Motor driven
Motor within rotary pumping member
310 67R, 310 71, F04B 1702
Patent
active
047738286
ABSTRACT:
A blower comprising a frame formed with an air duct, a shaft support member provided at a substantially central portion of the air duct and mounted through mount legs to the frame, a bearing mounted to the shaft support member, a stator mounted to the shaft support member, a rotating shaft rotatably engaged with the bearing, a rotor fixed to the rotating shaft and having a magnet opposed to an outer circumference of the stator, a printed circuit board electrically connected to the stator, lead wires connected to the printed circuit board, and a connecting portion for connecting the lead wires with the printed circuit board, the connecting portion being located outside of the frame.
REFERENCES:
patent: 3644066 (1972-02-01), Heab et al.
patent: 3700358 (1972-10-01), Papst et al.
patent: 4115715 (1978-09-01), Muller
patent: 4558245 (1985-12-01), Glasaver
patent: 4629919 (1986-12-01), Merkle
patent: 4636669 (1987-01-01), Plunkett et al.
Hagiwara Ippei
Hara Naoyuki
Mitsubishi Denki & Kabushiki Kaisha
Smith Leonard E.
Szczecina Jr. Eugene L.
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