Patent ID: 7367296

Claim:
A system comprising: a power supply with a positive and negative terminal; a first coil coupled to a cylinder valve actuator of an engine, said first coil having a first end and a second end; a first switch coupled between said first end of said first coil and said positive terminal of said power supply; a first capacitor coupled between said positive terminal of said power supply and said second end of said first coil; a second switch coupled between said first end of said first coil and said negative terminal; a second coil, said second coil having a first end and a second end, said first end of said second coil coupled to said second end of said first coil; a second capacitor coupled between said first end of said second coil and said negative terminal; a third switch coupled between said second end of said second coil and said negative terminal; and a fourth switch coupled between said second end of said second coil and said positive terminal.