The combustion engine has a cylinder and a piston (1). The piston has a combustion chamber recess (2) at upper side, and trough base (3) which is upwardly arched towards a center. An injection nozzle (4) generates fuel jet (6) whose center line (7) is exte...

The device has an internal combustion engine (1), which is cooled by a cooling medium (9,10) and a heater (4,5) for heating the person cabin (3) through the cooling medium. A heat exchanger (7) is provided for fuel preheating, by which the heat energy of t...