Variable speed HVAC without controller and responsive to a conve

Details Variable speed HVAC without controller and responsive to a conve Variable speed HVAC without controller and responsive to a conve

1993-03-02

1995-04-25

Wysocki, Jonathan

Electricity: motive power systems

Automatic and/or with time-delay means

Responsive to thermal conditions

318 53, 34562, 34575, G05D 2300, H02J 700

Patent

active

054102308

ABSTRACT:
A system for conditioning air in a space by heating or cooling the air to change its temperature. A thermostat located within the space generates a two state temperature signal having a cyclic parameter which corresponds to the temperature of the air in the space as it rises and falls. A compressor supplies refrigerant to a heat exchanger by means of which changes are made in the temperature of the air. A variable speed motor drives the compressor in response to a motor control signal. A controller responds to the temperature signal and senses the cyclic parameter of the temperature signal. The controller generates the motor control signal as a function of the sensed cyclic parameter whereby the motor control signal is provided to the motor to control the torque or speed of the motor.

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