SPORLAN

REFRIGERATION CONTROLS-NAMELY, EXPANSION VALVES FOR CONTROL OF DELIVERY OF LIQUID REFRIGERANT TO AN EVAPORATOR; THERMOSTATIC EXPANSION VALVES FOR CONTROL OF FLOW OF A LIQUID REFRIGERANT UNDER INFLUENCE OF A THERMOSTAT; REFRIGERANT DISTRIBUTORS, CONSISTING OF DEVICES UTILIZED WITH MULTIPLE CIRCUIT REFRIGERANT EVAPORATORS FOR EVENLY DISTRIBUTING A REFRIGERANT FROM A SINGLE SOURCE TO ANY REASONABLE NUMBER OF EVAPORATOR CIRCUITS; MODULATING PILOT CONTROLS IN THE NATURE OF SELF-ACTUATED, MANUALLY ADJUSTABLE, TEMPERATURE CONTROL DEVICES OF TYPES EMPLOYING A FLUID-COLUMN THERMOSTAT ACTING ON A REFRIGERANT FLOW-CONTROL VALVE