Ceiling fan motor with stationary shaft

Details Ceiling fan motor with stationary shaft Ceiling fan motor with stationary shaft

2007-02-13

2007-02-13

Verdier, Christopher (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

C416S1700HM, C416S21000A, C416S24400R, C416S500000

Reexamination Certificate

active

11028830

ABSTRACT:
A ceiling fan motor includes a motor housing having an end wall and a side wall; a stator assembly mounted within the housing; a rotor assembly mounted within the housing to rotate relative to the stator assembly; and a fan blade hub adapted to have fan blades mounted thereto. The fan blade hub includes a central opening and the rotor assembly includes a driving member shaped complementarily to the opening of the fan blade hub. The driving member positively engages the fan blade hub (and hence the fan blades) as the rotor rotates. A grommet is positioned between the fan blade hub and the driving member to vibrationally isolate the fan blade hub from the rotor.

REFERENCES:
patent: 1856017 (1932-04-01), Baker
patent: 2488365 (1949-11-01), Abbott et al.
patent: 2508144 (1950-05-01), Carville
patent: 2678104 (1954-05-01), Davis
patent: 2690063 (1954-09-01), Davis
patent: 4438359 (1984-03-01), Royer
patent: 4511310 (1985-04-01), Pearce
patent: 4850799 (1989-07-01), Bucher, Sr. et al.
patent: 5464323 (1995-11-01), Scofield
patent: 5944487 (1999-08-01), Pearce
patent: 5954449 (1999-09-01), Wu
patent: 6352411 (2002-03-01), Bucher et al.

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