Abstract: An apparatus, known as a refrigeration capacity control device, to continuously modulate the capacity of an air conditioning system, the apparatus comprising a liquid injection valve, a low pressure regulating valve, a pressure sensing line, a mixing chamber that contains thermodynamic catalyst fill material, and a mixing nozzle assembly.

Abstract: This disclosure describes both a method of use for, and embodiments of, an apparatus to continuously modulate the capacity in air conditioning systems, said apparatus comprising: a liquid injection valve, comprising: a liquid line connection point, a temperature sensing element and a flashed liquid connection point; a low pressure regulating valve, comprising: a compressor discharge connection point, an Optional LPRV Gas Spring Reservoir and an LPRV discharge port; and a mixing chamber comprising: a suction connection point, a flashed liquid injection point, a superheated gas injection point, a means for fill material retention, a mixing chamber, a thermodynamic catalyst fill material, and a mixing nozzle assembly.