Fluid reaction surfaces (i.e. – impellers) – With illumination means
Patent
1988-03-04
1989-11-07
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
With illumination means
416170R, F04D 2964
Patent
active
048788066
ABSTRACT:
A ceiling fan optionally usable in a suspended down rod mode in which the fan blades are spaced downwardly from the ceiling, or in a flush mounted mode in which the blades are relatively close to the ceiling. The fan includes a canopy secured adjacent the ceiling, and an optionally downrod which swivelly supports the fan housing and blades at a position spaced downwardly from the ceiling. The fan further includes a motor housing which has top and bottom housing plates and an annular band located between the housing plates. The top and bottom plates are secured to a soft iron armature which is driven in rotation by a stator carried on a rod extended through the center of the fan housing. The fan blades are connected to the bottom plate of the housing, and housing and blades are driven in rotation with the iron armature. A flush mounting disc is secured around the rod which projects through the center of the fan housing and carries the stator, and this disc is adapted for securement to the canopy after the down rod has been removed from the assembly.
REFERENCES:
patent: 4073598 (1978-02-01), Mizutani et al.
patent: 4342073 (1982-07-01), Ranten
patent: 4592702 (1986-06-01), Bogage
patent: 4621977 (1986-11-01), Markwardt
patent: 4634345 (1987-01-01), Stanek et al.
patent: 4640668 (1987-02-01), Yang
patent: 4692096 (1987-09-01), Yang
patent: 4720241 (1988-01-01), Markwardt
patent: 4729725 (1988-03-01), Markwardt
Bradley James E.
Encon Industries, Inc.
Powell Jr. Everette A.
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