Patent ID: 11870367
Assignee: UNIVERSITY OF MARYLAND, BALTIMORE
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 10:
11. A PEH mechanism comprising a housing and a frame which are rotatably attached at a hinge point, wherein the housing comprises a PEH device and optionally a mass, and wherein the housing can rotate about the hinge point relative to the frame, wherein the PEH device comprises a piezoelectric cantilever beam and a disk, wherein the disk rotates about a disk axle and comprises a first magnet and optionally an unbalanced mass, and wherein the piezoelectric cantilever beam comprises a second magnet positioned on a tip of the piezoelectric cantilever beam, wherein during every rotation of the disk, the first magnet exerts a force on the second magnet on the piezoelectric cantilever tip such that the cantilever beam vibrates and generates electrical energy.