Ceiling fan having rotary inner housing

Details Ceiling fan having rotary inner housing Ceiling fan having rotary inner housing

1998-06-09

1999-11-02

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

With illumination means

416 93R, 416124, 416170R, 416171, 416175, F04D 2938, F04D 2952

Patent

active

059758481

ABSTRACT:
A ceiling fan includes an outer housing and a cap secured on top of the outer housing. A shaft is secured to the cap and a motor is disposed in the outer housing and secured to the shaft for driving a number of fan blades. An inner housing is rotatably disposed in the outer housing and includes a center sleeve rotatably engaged on the shaft for allowing the inner housing to be rotated about the shaft and includes a number of blade members. The fan blades may generate a circulating wind through the inner housing in order to actuate the blade members.

REFERENCES:
patent: 4391570 (1983-07-01), Stutzman
patent: 4626970 (1986-12-01), Huang
patent: 5440459 (1995-08-01), Chan
patent: 5441387 (1995-08-01), Yu
patent: 5454692 (1995-10-01), Davis
patent: 5503524 (1996-04-01), Yu
patent: 5655877 (1997-08-01), Yu
patent: 5672048 (1997-09-01), Yu

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