An aircraft air conditioning system (10) comprises a process air line (12) adapted to supply compressed process air provided by a process air source (14) to an air conditioning unit (16) of the aircraft air conditioning system (10) and a trim air line (38)...

The air conditioning for a motor vehicle has a coolant circuit (2) with a compressor (3) mechanically driven by a hydraulic motor (32) actuated by a low pressure hydraulic circuit (33). The speed of the hydraulic motor is controlled by the pressure in the ...