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Reciprocating piston engine with an eccentric, in order to set different lifting heights, as well as a working method for operating such a reciprocating piston engine
Reciprocating piston engine with an eccentric, in order to set different lifting heights, as well as a working method for operating such a reciprocating piston engine
The invention relates to a reciprocating piston machine (1) with a crankshaft (2), the crank pin (3) by means of a rotatable eccentric (4) in a connecting rod eye (5) of a connecting rod (6) is mounted. In order to set different lifting heights can be of different angular positions of the eccentric (4) with respect to the connecting rod top end (5) be continuously varied, so that, for example, to be able to set a desired compression ratio. In order to change the angular position of the required rotational movement during the ongoing operation of the reciprocating piston engine (1) to be able to perform an adjusting device (7) is provided, which is designed as an electromagnet with a switchable magnet (8) is equipped at one of the crankshaft (2) is arranged facing inner wall surface. By activation of the magnet (8) is cyclically during each passage of the eccentric (4) through the region of the magnet (8) in an eddy current induced the eccentric (4) and thus the desired braking effect is produced, which as a braking torque on the eccentric (4) acts.
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