Piezoelectric fan device and air-cooling apparatus using the piezoelectric fan device
A piezoelectric fan and piezoelectric vibrator technology, which is applied to non-variable pumps, machines/engines, mechanical equipment, etc., can solve the problems that the torque cannot be offset, the load applied by the support body, and the noise is generated, so as to reduce the failure influence, cooling efficiency improvement, and amplitude increase effect
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[0053] Figure 4 ~ Figure 7 An example of an air cooling device using Embodiment 1 of the piezoelectric fan device according to the present invention as a heat sink is shown. Figure 4 Among them, four piezoelectric fans 10 a to 10 d having the same vibration characteristics are aligned in the width direction with respect to the support body 11 , and are connected and fixed to the support body 6 at equal intervals. The piezoelectric fans 10a-10d have the same figure 1 The piezoelectric fans 1a, 1b shown are of the same construction. That is, the piezoelectric fans 10a to 10d respectively include a plurality of blades 12a to 12d and a plurality of double-layer piezoelectric type piezoelectric vibrators 13a to 13d, and the plurality of blades 12a to 12d can be freely bent and displaced in the thickness direction. The plurality of piezoelectric vibrators 13a to 13d are connected to one end in the longitudinal direction of each of the blades 12a to 12d, and flexurally vibrate b...
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