Patent ID: 6629421
Filing Date: 2003-10-07
Classification: F25B

Abstract:
A refrigeration unit has a gas defrost system and is comprised of a compressor, a condenser, a self-governing device for the pulse feeding process and which is connected to a solenoid valve that is placed between said compressor and said condenser, an evaporator, a timer, a thermostat to control the temperature of the refrigerant vapor in a suction line connected electrically to said compressor, a solenoid valve placed on a line, which connects discharge line of said compressor with said evaporator, and is connected electrically to said timer, a pressure controller with set-point adjustment wherein said pressure controller is connected to said discharge line of said compressor and electrically connected to said solenoid valve that is placed on said line connecting said discharge line of said compressor to said evaporator, respectively.