Self-learning control system and method for controlling fan...

Details Self-learning control system and method for controlling fan... Self-learning control system and method for controlling fan...

2008-04-22

2008-04-22

Donovan, Lincoln (Department: 2837)

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Running-speed control

C318S599000, C318S811000

Reexamination Certificate

active

10908731

ABSTRACT:
A feedback control logic system for commanding a particular air conditioning unit fan speed is driven by a pulse-width modulated signal from a control unit. The engine control unit decrements the pulse-width modulated signal to the air conditioning unit fan and allows the fan to run for a predetermined time. If a particular function, such as shutting off of an air conditioner pressure switch or other sensor, has not been achieved within the predetermined time, the engine control unit again decrements the pulse-width modulated signal.

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