Solid state blower

Details Solid state blower Solid state blower

1983-03-22

1985-02-12

Gluck, Richard E.

Pumps

Motor driven

Magnetostrictive chamber

416 83, 417436, F04B 3504

Patent

active

044988516

ABSTRACT:
A pumping device comprising: a housing; piezoelectric element having one end mounted to the housing and one end free; a generally planar impeller blade connected to the free end of the piezoelectric element and having its distal end unconstrained by the housing; the blade having a high Q factor, a high stiffness-to-weight ratio and a low mass per unit area substantially less than that of the piezoelectric element; a voltage is applied to the piezoelectric element for oscillating its free end perpendicular to its plane at or close to resonance and propagating a traveling wave along the blade to generate and shed vortices at the distal end of the blade.

REFERENCES:
patent: 3963380 (1976-06-01), Thomas

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