Electronic variable speed control of dual motor configuration

Details Electronic variable speed control of dual motor configuration Electronic variable speed control of dual motor configuration

2006-08-08

2006-08-08

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

C318S599000, C700S019000

Reexamination Certificate

active

07088062

ABSTRACT:
A dual motor configuration10includes a primary brushless motor18electronically controlled to be driven at various speeds throughout a range of motor speeds. A secondary brush motor24electronically controlled be driven at various speeds throughout a range of motor speeds. The secondary brush motor includes an electronic switching device26associated therewith for receiving a pulse width modulated signal for controlling speed of the secondary brush motor. Thus, different combinations of speeds, throughout the ranges of motor speeds, of the first and second motors can be selectively chosen.

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