F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
230/5
F04D 29/36 (2006.01) F04D 25/10 (2006.01) F04D 29/56 (2006.01)
Patent
CA 1130251
ABSTRACT OF THE DISCLOSURE 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.
382800
Johnson Douglas S. Q.c.
Tateishi Arthur K.
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