Mitsubishi electric corporation (20240418740). ROTATION SPEED DETECTOR
ROTATION SPEED DETECTOR
Organization Name
mitsubishi electric corporation
Inventor(s)
Hitoshi Hasegawa of Tokyo (JP)
ROTATION SPEED DETECTOR
This abstract first appeared for US patent application 20240418740 titled 'ROTATION SPEED DETECTOR
Original Abstract Submitted
a rotation speed detector includes: a base material to be attached to a rotating body; a first magnetic pole having an arcuate strip shape and provided on the base material; a second magnetic pole having an arcuate strip shape and provided on the base material; and a power generation element including a magnetic wire configured to cause a large barkhausen effect, and a pickup coil. the power generation element is arranged to face the first magnetic pole and the second magnetic pole so that a longitudinal direction of the magnetic wire is provided along a radial direction of the first magnetic pole and the second magnetic pole. a non-magnetic gap is provided between the first magnetic pole and the second magnetic pole.