Patent ID: 6748907
Filing Date: 2004-06-15
Classification: B60K,B60L,F02B,H02K,Y02T

Abstract:
A device comprising:a combustion engine comprising a piston mechanically freely movable in a space in a housing, the piston configured to move in response to a pushing force produced by combustion of a fuel mixture in the device; an electromagnetic energy transducer; an external current circuit connected to the energy transducer, the external current circuit configured to exchange electrical effect to or from the energy transducer; and a control unit comprising a computer and at least a first converter having a first connection point connected to the energy transducer and a second connection point connected to the current circuit, the first converter configured to be controlled by the computer, wherein the control unit is configured to control a size of the electrical effect, is configured to control a direction and a size of an active effect exchanged between the energy transducer and the external current circuit during operation of the device, and is configured to feed back a reactive effect to the energy transducer, and wherein the second connection point of the first converter is connected to a first connection point of a second converter by an electric connection, and a second connection point of the second converter is connected to the current circuit.