18826637. ELECTRIC GENERATOR (SEIKO EPSON CORPORATION)
ELECTRIC GENERATOR
Organization Name
Inventor(s)
Yukio Yamauchi of Chino-shi (JP)
Takeo Funakawa of Chino-shi (JP)
ELECTRIC GENERATOR
This abstract first appeared for US patent application 18826637 titled 'ELECTRIC GENERATOR
Original Abstract Submitted
An electric generator includes a shaft, a rotating plate including a silicon substrate having an insertion hole that receives the shaft, a first base facing the rotating plate, an electret film disposed on one of the rotating plate and the first base to face the other of the rotating plate and the first base, and a first electrode disposed on the other of the rotating plate and the first base to face the electret film. The shaft has at least one groove extending in an axial direction, and the rotating plate has first beams each extending from an outer periphery of the insertion hole to an interior of the insertion hole and having a tip in the at least one groove and a second beam located between the first beams and having a tip that presses the shaft.