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US 2018/0109208 A1Published application
Synchronous motor assembly, pump, and ventilation fan using same
AssigneeJohnson Electric S.A.
InventorsYue LI, Chui You ZHOU, Hong Liang YI, Yong Gang ZHANG, Yong WANG
Life of this patent
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Abstract
A synchronous motor assembly includes a motor connected between two nodes of an AC power source, a motor drive circuit, and a regulation unit. The drive circuit drives the motor to rotate. The regulation unit regulates a rotation speed of the motor via regulating the motor to different steady voltage points.
Claims18
A synchronous motor assembly, comprising:
- a motor connected between two nodes of an AC power source;
- a motor drive circuit driving the motor to rotate;
- and
- a regulation unit regulating a rotation speed of the motor via regulating the motor to different steady voltage points.
1 more element
Dependencies are inferred from the claim text.