Patent ID: 6657351
Filing Date: 2003-12-02
Classification: A47J,A61F,A61N,H01F,H01M,H02K,H05B,Y02B,Y02E

Abstract:
A contactless energy transfer apparatus comprising:(a) portable receiving unit including: (i) a receiver coil: and (ii) a housing in which the receiver coil is disposed, said housing supporting the receiver coil: and a flux generator including: (i) a housing adapted to be disposed proximate to the housing of the receiving unit; (ii) a magnetic field generator comprising at least one permanent magnet disposed within the housing of the flux generator; and (iii) a prime mover drivingly coupled with the at least one permanent magnet, causing said at least one permanent magnet to move relative to the receiver coil, movement of said at least one permanent magnet producing a varying magnetic field that is coupled to the receiver coil, inducing an electrical current to flow in the receiver coil, wherein the prime mover is disposed outside the housing of the flux generator and is drivingly coupled with said at least one permanent magnet through a driven shaft.