Electricity: single generator systems inventions 02/08

20080042626 - Output voltage controller of engine-driven generator: A control section 32 supplies a current obtained by rectifying the output of an exciting winding 5 to a field winding 3 responding to variations in the output voltage of the generator to suppress the variations in the output voltage of the generator. The control section 32 drives a transistor... Agent: Arent Fox LLP

20080042625 - Portable generator housing: A portable genset with an engine driving a generator mounted to a frame and positioned within an enclosure. The enclosure includes front and rear hoods that are hingedly mounted adjacent opposite ends of the genset. The hoods may be hinged open to permit access to either of the engine or... Agent: Godfrey & Kahn S.c.

20080036429 - Hand-held power tool and method for operating a heating device of a hand-held power tool: A hand-held power tool has a drive motor driving a tool and a generator. One or more heating devices having one or more heating elements are provided. The generator supplies the one or more heating devices with energy. A control device controls a power supplied to the one or more... Agent: Gudrun E. Huckett Draudt

20080036428 - Connecting a prime mover driven alternator to a circuit with an existing alternating current: Apparatus and method are provided, for connecting prime mover driven alternator to circuit that has an existing alternating current. Alternator is connected to circuit when minimum current flows to or from alternator. The actual current is measured by controller following connection and the value of this current is used to... Agent: Needle & Rosenberg, P.C.