AC generator and method
Patent 7327061 Issued on February 5, 2008. Estimated Expiration Date: 
October 25, 2025. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 25, 2025. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2479589 3435267 3521099 Electric generator Electric generator Alternating current generator Electricity generator Aircraft engine starting with synchronous ac generator Electric generator with two rotors Iron-free rotary disk electrical machine InventorApplicationNo. 11259025 filed on 10/25/2005US Classes:310/112, Plural units, structurally united310/128, Commutator and slip-ring type310/233, Commutators172/120, Disk or planar cutter (e.g., saw, etc.)310/168, Inductor-type generators (variable reluctance)310/155, Inductor type322/25, Voltage and current310/258, Frame and core type310/273, Miscellaneous310/178, Homopolar310/127, Plural collector-type machines310/164, Toroidal coil322/19, Antihunting or rate of change310/268, Disc290/52TURBOGENERATORSExaminersPrimary: Lam, ThanhAttorney, Agent or FirmInternational ClassH02K 7/20AbstractOne aspect of the invention is a generator with at least two commutators mounted on a rotatable shaft. At least two magnetically conductive bars may be mounted in an opposed relationship with at least one of the bars passing through a wire coil. At least two magnets may also be mounted in an opposed relationship. The bars and magnets may be mounted such that they extend between the commutators. In various positions, a magnetic field passes through the two commutators, one of the bars and one of the magnets. The magnet field in the bars changes due to rotation of the shaft and current is induced into the wire coil.Other References
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