Motor control for refrigeration appliance

Details Motor control for refrigeration appliance Motor control for refrigeration appliance

1993-12-10

1995-07-04

Wayner, William E.

Refrigeration

Automatic control

Of external fluid or means

62296, 622284, 181202, 381 71, 415119, F25D 1900, F01D 510

Patent

active

054289653

ABSTRACT:
A microprocessor speed control system for a refrigeration apparatus for controlling a speed of at least one variable speed motor is provided. The control system has an input for receiving demands to vary a speed of the motor and a memory where certain predetermined speed ranges are kept in a means for preventing the motor from being operated at the predetermined speed ranges. The predetermined speed ranges can be based upon speed ranges which cause excessive noise or vibration in the refrigeration appliance or any of its components.

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patent: 5203178 (1993-04-01), Shyu

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