Piezoelectric acousto-electric generator
AssigneePiezo Electric Products, Inc.
InventorsHenry H. Kolm, Eric A. Kolm
Life of this patent
Estimating the term…
Abstract
A piezoelectric generator for converting acoustic energy in a predetermined frequency range to electric energy including: a piezoelectric bending element; means for mounting the piezoelectric bending element in an acoustic energy path; tuning means mounted to the piezoelectric bending element to set the resonant frequency of oscillation of the piezoelectric bending element within the predetermined frequency range.
Claims12
A piezoelectric generator system for converting acoustic energy in a predetermined frequency range to electric energy, comprising:
- a piezoelectric bending element;
- means for mounting said piezoelectric bending element in cantilevered configuration in an acoustic energy path;
- a planar member and means for supporting said planar member on the free end of said piezoelectric bending element in spaced relation to said piezoelectric bending element, whereby said planar member sets the resonant frequency of oscillation of said piezoelectric bending element within said predetermined frequency range.
A piezoelectric generator system for converting to electric energy acoustic energy in a predetermined frequency range propagating along a surface, comprising:
- a plurality of piezoelectric generators each including:
- a piezoelectric bending element;
- means for mounting said piezoelectric bending element in cantilever configuration in an acoustic energy path;
- a planar member and means for supporting said planar member on the free end of said piezoelectric bending element in spaced relation to said piezoelectric bending element, whereby said planar member sets the resonant frequency of oscillation of said piezoelectric bending element within said predetermined frequency range.
A piezoelectric generator system for converting to electric energy acoustic energy in a predetermined frequency range propagating along a conduit, comprising:
- a plurality of piezoelectric generators each including:
- a piezoelectric bending element;
- means for mounting said piezoelectric bending element in cantilever configuration in an acoustic energy path;
- a planar member and means for supporting said planar member on the free end of said piezoelectric bending element in spaced relation to said piezoelectric bending element, whereby said planar member sets the resonant frequency of oscillation of said piezoelectric bending element within said predetermined frequency range.
A piezoelectric generator system for converting to electric energy acoustic energy in a predetermined frequency range propagating along a reciprocating piston engine exhaust conduit, comprising:
- a plurality of piezoelectric generators each including:
- a piezoelectric bending element;
- means for mounting said piezoelectric bending element in cantilever configuration in an acoustic energy path;
- a planar member and means for supporting said planar member on the free end of said piezoelectric bending element in spaced relation to said piezoelectric bending element, whereby said planar member sets the resonant frequency of oscillation of said piezoelectric bending element within said predetermined frequency range.
Dependencies are inferred from the claim text.