Fan system and motor control device

Details Fan system and motor control device Fan system and motor control device

2011-07-05

2011-07-05

Masih, Karen (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Brushless motor closed-loop control

C318S600000, C388S829000

Reexamination Certificate

active

07973501

ABSTRACT:
A fan system includes a control device and a fan device. The control device has a first node, a rotation speed signal generation circuit and a rotation speed reading circuit. The fan device has a second node, a signal transforming circuit, a motor driving circuit, a motor and a fan. The first node is electrically connected with the second node to set up a transmission route between the control device and the fan device. The rotation speed control signal and the motor rotation speed signal are transmitted via the two-way transmission route, and the control device controls the fan device via a wired or wireless transmission route. A motor control device is also disclosed.

REFERENCES:
patent: 6054823 (2000-04-01), Collings et al.

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