Commutated electro-dynamic machine such as a d.c. motor, having

Details Commutated electro-dynamic machine such as a d.c. motor, having Commutated electro-dynamic machine such as a d.c. motor, having

1992-12-04

1994-07-19

Shoop, Jr., William M.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Synchronizing or phasing control

318 70, 318146, 318254, H02K 2300

Patent

active

053312570

ABSTRACT:
In a screen wiping apparatus for a vehicle, two or more motorsz of the kind having a commutator, such as d.c. wiper motors, are automatically synchronised by a synchronising means which comprises a wheel coupled to the commutator of each machine, together with a reading device which is coupled to the stator of the machine. The reading device detects the instantaneous angular position of the machine.

REFERENCES:
patent: 3569804 (1971-03-01), Studer
patent: 3577050 (1971-05-01), Ringland et al.
patent: 3663877 (1972-05-01), Clark
patent: 5177393 (1993-01-01), Webber

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