Ingrassia Fisher & Lorenz, P.C.
Free-piston linear alternator systems and methods
Methods and apparatus are provided for operating a free-piston linear alternator. The apparatus includes a linear machine having first and second coils wound around a path for a linearly-moving mass and a rotating machine having a rotating mass and third and fourth coils. The first coil is coupled to the third coil, and the second coil is coupled to the fourth coil, such that movement of the linearly-moving mass with respect to the first and second coils imparts a first magnetic field upon the rotating mass via the third and fourth coils. Further, movement of the rotating mass with respect to the third and fourth coils creates a second magnetic field upon the linearly-moving mass to position the linearly moving mass for combustion.
GM Global Technology Operations LLC
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Alan G.
Holmes