Patent AT-E400458-T1: [Translated] CONTROLLED AIR CONDITIONING DEVICE AND METHOD FOR CONTROLLING AIR CONDITIONING

The device has a compressor (2) driven by an engine (1) of a vehicle through a clutch (3). A complimentary circuit (33) is arranged between a coolant driving branch (30) and a suction branch (32) to send gases compressed by the compressor directly towards the inlet of the compressor. The complementary circuit has an electromagnetic valve (5) and a logic controller (10) for enabling and disabling the complimentary circuit. An independent claim is also included for a method to control an air-conditioning device for an urban public transport vehicle.