Fan system and its control device and control method

Details Fan system and its control device and control method Fan system and its control device and control method

2006-08-16

2009-08-04

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S461000, C318S778000, C361S689000, C361S695000

Reexamination Certificate

active

07570009

ABSTRACT:
A control device of a fan system, which has at least one fan, receives a starting voltage. The control device includes a start controlling unit and a driving unit. The start controlling unit receives the starting voltage and outputs a start controlling signal according to the starting voltage. After a predetermined period, the start controlling unit stops sending the start controlling signal. The driving unit is electrically connected to the start controlling unit and the fan, respectively. The driving unit receives the start controlling signal for controlling the rotation speed of the fan.

REFERENCES:
patent: 6040668 (2000-03-01), Huynh et al.
patent: 6135718 (2000-10-01), Yang
patent: 6380704 (2002-04-01), Chin
patent: 6396231 (2002-05-01), Horng et al.
patent: 6810202 (2004-10-01), Hsu et al.
patent: 7205733 (2007-04-01), Xiong et al.
patent: 7245099 (2007-07-01), Yamamoto et al.

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