Directional air flow fan

Details Directional air flow fan Directional air flow fan

1981-08-03

1984-03-20

Favors, Edward G.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

74 25, 415125, F24F 1316

Patent

active

044373945

ABSTRACT:
The present invention provides a fan structure having a housing and vane arrangement adapted to oscillate relative to the housing. The fan motor is used to operate both the fan blade and the vane arrangement. The structure includes a drive system having a rotating drive shaft for driving an oscillator which is adapted to oscillate the vanes and a control mechanism for controlling on/off switching of the drive system to the oscillator. Accordingly, the fan blade is operated independently of the oscillator so that the structure can be run both with and without oscillation of the vanes.

REFERENCES:
patent: 697448 (1902-04-01), Coleman
patent: 1861608 (1932-06-01), Persons
patent: 2768782 (1956-10-01), Tateishi
patent: 2836350 (1958-05-01), Tateishi
patent: 4084491 (1978-04-01), Spotts et al.
patent: 4131776 (1978-12-01), Ehrenberger

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