Heat exchanger having piezoelectric fan means

Details Heat exchanger having piezoelectric fan means Heat exchanger having piezoelectric fan means

1989-03-03

1990-05-08

Davis, Jr., Albert W.

Heat exchange

With impeller or conveyor moving exchange material

Mechanical gas pump

165185, 417322, 417436, 361384, H01L 2346, F04B 3504

Patent

active

049230000

ABSTRACT:
A fluid heat exchanger for cooling an electronic component including a housing having a fluid inlet and fluid outlet. Piezoelectric means are connected to a plurality of flexible blades for pumping fluid from the inlet to the outlet. A heat conductive structure is connected to the housing base for conducting heat to the fluid. The heat conductive structure may include the flexible blades and/or fixed metal fins.

REFERENCES:
patent: 4498851 (1985-02-01), Kolm et al.
patent: 4520425 (1985-05-01), Ito
patent: 4780062 (1988-10-01), Yamada
Brochure, "Miniature DC Powered Piezo Fans" by Piezo Electric Products.
M. Toda, "Theory of Air Flow Generation by a Resonant Type PVF2 Bimorph Cantilever Vibrator, Ferroelectronics", vol. 22, pp. 911-918 (1979).

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