Rotation speed signal detector

G - Physics – 01 – P

Patent

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Details

340/148.6

G01P 3/44 (2006.01) H02K 7/20 (2006.01) H02K 29/14 (2006.01)

Patent

CA 1169944

ABSTRACT OF THE DISCLOSURE A rotation speed signal detector comprises a cylindrical rotor magnet having n rotor magnet poles provided along the inner circumference and m [m > n] rotation speed detection magnet poles provided along the outer circumference; a stator winding; a rotation speed detection coil including a pair of coil conductors provided on the outer side of the rotor magnet in the form of a ring; and a terminal base having output terminal pins connected to one end portion of the coil conductors and a short circuiting terminal pin for connecting the other ends of the coil conductors. Each conductor may be short-circuited by a conductor on a winding conductor processing substrate provided sepa- rately instead of being short-circuited by the terminal pin.

353316

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