The air conditioning unit has a ventilation group (1) with two separate radial or transverse flow vents (1b) which run in the same plane, with a spacing (X) between them, in which an air intake aperture (8) serving both the vents is fitted. A circulating a...

Device for displacing a cylinder block (1) and head relative to a crankcase has a connecting line (5) of bearing eyes or arms of the cylinder block lying vertical to the cylinder axis (9). The bearings of the adjusting shafts (4) and their cams run in the ...