Abstract: An automotive air-conditioning system comprising an electronic control unit programmed to store different operating profiles of the air-conditioning system, each of which is defined by a temperature, air flow rate and air distribution in the passenger compartment; and a human-machine interface configured to allow a user to select one of the stored operating profiles; and wherein the electronic control unit is further programmed to automatically control the air-conditioning system operation based on the selected operating profile.

Abstract: A helicopter transmission presenting at least a first reduction unit receiving motion from a respective engine on the helicopter; and a second reduction unit connected to the first reduction unit and transmitting motion to the shaft of the main rotor; both reduction units presenting one reduction stage, and each including a pair of face gears coaxial with and facing each other and only one of which is fitted to the output shaft of the respective reduction unit; and two pinions of which one is a floating input pinion and the other is a fixed-axis pinion, and each of which meshes with both the face gears.