Dual speed quad brush two pole motor system

Details Dual speed quad brush two pole motor system Dual speed quad brush two pole motor system

2006-07-04

2006-07-04

Ip, Paul (Department: 2837)

Electricity: motive power systems

Plural diverse motor controls

Running-speed control

C318S280000, C318S541000, C388S836000, C310S148000

Reexamination Certificate

active

07071643

ABSTRACT:
A motor system includes four brushes electrically connected to a rotor. A stator includes two magnetic poles. A circuit selectively rotates the rotor at a first speed by applying a first voltage to a first of the brushes and a second voltage to a second of the brushes. The circuit selectively rotates the rotor at a second speed by applying the first voltage to the first brush or the second brush, and applying the second voltage to a third of the brushes and/or a fourth of the brushes.

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