Patent ID: 8020389
Filing Date: 2011-09-20
Classification: F25B,F25D,G01N,Y02B

Abstract:
1. Climatic test chamber, in which during a sequence of specified test cycles at least one test cavity is cooled down to and maintained at a minimum set temperature by a refrigerating unit including at least a refrigerating circuit where a refrigerant medium flows therethrough, comprising: a compressor, with a delivery pipe and a suction pipe, driven by an electric motor, whose rotating speed is adjustable between a maximum value and a minimum value, a condenser, an evaporator having an inlet and an outlet, a throttling device located at the end of a main pipe, between the condenser and the inlet of the evaporator, a tank which is filled with a cold storage medium and through which there are caused to pass: means for selectively controlling the flow of the refrigerant medium through the main pipe, the secondary pipe, and the recovery pipe so as: