Ceiling fan

Details Ceiling fan Ceiling fan

1988-03-08

1990-02-13

Croyle, Carlton R.

Pumps

Motor driven

Motor within rotary pumping member

41742312, 416208, F04B 1702

Patent

active

049002368

ABSTRACT:
Ceiling fan consisting of a rotatable assembly to which the fan blades are attached and a stationary assembly connected to capable of being connected to a suspension means. These assemblies have a common centerline, and the rotary assembly comprise the rotor and the stationary assembly the stator, located concentrically inside the rotor, of an electric motor. The rotatable assembly is mounted rotatable relative to the stationary assembly by means of a tubular member extending coaxially with the centerline and a shaft located therewithin. Two bearings are located at a distance one above the other and are mounted between the shaft and the tubular member, at least one of which bearings comprises a rolling bearing. The other one of the two bearings comprises a journal bearing.

REFERENCES:
patent: 2382535 (1945-08-01), Bauer
patent: 3175755 (1965-03-01), Rockafield
patent: 3601507 (1971-08-01), Harris
patent: 4400140 (1983-08-01), Papst
patent: 4564335 (1986-01-01), Harmsen et al.

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