E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
172/23
E04F 17/04 (2006.01) B60H 1/24 (2006.01) B60S 1/54 (2006.01) F24F 13/08 (2006.01)
Patent
CA 1187003
"IMPROVEMENTS IN OSCILLATING REED AND METHOD" ABSTRACT There is disclosed improvements in oscillating reeds particularly for use in generating a sweeping or oscillating air flow pattern. The oscillating reeds of this invention are constituted by a plurality of spaced apart resilient reed elements which, prefer- ably, are made from graphite fibers bonded together by an epoxy resin matrix reinforced by a scrim of fiber glass. To minimize the effect of torsion and/or forces which can cause the reed elements to buckle and hence create noise, a plurality of undulations are formed in the graphite strip. Thus, the oscillating reed accord- ing to the present invention offers the following four major advantages, (1) reduction in noise from buckling, (2) amplitude modulation, i.e. oscillation amplitude insensitivity to wide ranges of flow rates (3) easier starting of oscillation, and, (4) improved fati- gue strength.
404354
Melbourne Thomas A.
Morris Joseph W.
Bowles Fluidics Corporation
Macrae & Co.
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