Patent ID: 6541875
Filing Date: 2003-04-01
Classification: F02B,H02K

Abstract:
A work unit, comprising:a frame; a housing carried by said frame, said housing defining each of a combustion cylinder and a generator/motor cylinder, an internal combustion engine disposed within said housing, said combustion engine including said combustion cylinder, a piston reciprocally disposed within said combustion cylinder, and a piston rod coupled with said piston; a linear electric generator/motor located within said housing, said linear electric generator/motor including at least one magnet carried by said piston rod and at least one coil positioned in association with said at least one magnet, said piston rod and said at least one magnet carried thereby reciprocally disposed within said generator/motor cylinder; a battery, an electrical load; and an electrical circuit coupled with each of said at least one coil, said battery and said load to selectively supply current from said battery to said at least one coil and from said at least one coil to at least one if said battery and said load.