Lennox Industries Inc.

Eric Quinton Giles

Aaron James Starling

Rakesh Goel

Siddarth Rajan

Chris McHugh

An HVAC system includes an evaporator. A compressor is fluidly coupled to the evaporator via a suction line. A condenser is fluidly coupled to the compressor via a discharge line. The condenser includes a first pass and a second pass. A common manifold fluidly couples the first pass and the second pass. A charge compensator is fluidly coupled to the common manifold above a maximum liquid level of the common manifold.

Method and apparatus for common manifold charge compensator

An apparatus includes a microchannel heat exchanger, a load, a compressor, and a controller. The microchannel heat exchanger removes heat from a refrigerant. The load uses the refrigerant to remove heat from a space proximate the load. The compressor compresses the refrigerant from the load. The controller determines a discharge temperature of the refrigerant at the compressor and predicts a saturation temperature of the refrigerant between the compressor and the microchannel heat exchanger. The controller also determines a discharge superheat by subtracting the saturation temperature from the discharge temperature and triggers an alarm if the discharge superheat is below a threshold temperature.

Cooling system

A reversing valve comprising a valve body having an internal cavity therein and an input port, output port and first and second reversing ports. A baffle is located within the internal cavity and is configured to rotate around a pivot point within the internal cavity. At least one electromagnet is coupled to the valve body. The electromagnet is configured to cause the baffle to rotate in one of the clockwise direction or counter-clock wise direction when a voltage is applied to the electromagnet.

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Park Forest, IL, United States of America

Eric Quinton Giles