Piezoelectric blade protection structure

Details Piezoelectric blade protection structure Piezoelectric blade protection structure

2006-10-31

2006-10-31

Dougherty, Thomas M. (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S341000, C310S342000, C310S348000

Reexamination Certificate

active

07129623

ABSTRACT:
A piezoelectric blade protection structure for a plurality of juxtaposed piezoelectric blades mounting onto a circuit board to provide protection and anchoring effect for the piezoelectric blades. A protection member is mounted onto the vibration nodes of the piezoelectric blades to prevent the piezoelectric blades from broken by improper impact of external forces. The protection member, piezoelectric blades and circuit board are interposed respectively by a upper elastic element and a lower elastic element to provide a desired vibration space and anchoring for the piezoelectric blades.

REFERENCES:
patent: 4998549 (1991-03-01), Bran
patent: 5847490 (1998-12-01), Kumasaka et al.
patent: 5875795 (1999-03-01), Bouix
patent: 6504095 (2003-01-01), Hoffstrom
patent: 2004/0135473 (2004-07-01), Byers et al.
patent: 11-354971 (1999-12-01), None

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