WINDSHIELD WIPE MOTOR Russian patent published in 2015 - IPC H02K7/116 H02K29/08 H02K11/00 B60S1/08 

FIELD: transport.

SUBSTANCE: invention relates to wiper drive motor. Claimed drive motor comprises drive shaft, reduction gearbox to reduce the drive shaft rpm and controller unit. Reduction gearbox comprises casing, first gear fitted on drive shaft one end, second gear with output shaft aligned therewith and engaged with said first gear to make along therewith said reduction gearbox. Claimed drive motor comprises also the controller unit. The latter comprises the pickup magnet secured at drive shaft opposite end, control PCB facing the drive shaft opposite end in its axial direction, revolution transducer arranged at the section facing the control PCB transducer magnet to define drive shaft rpm and winding with one end. Said transducer magnet is electrically connected with control PCB to generate e.m.f. for revolution of drive shaft by the feed of excitation current from said control PCB. Motor casing features a cylindrical shape. Said case is mounted at the motor end section.

EFFECT: longer life, better accuracy of control.

4 cl, 7 dwg