Tool having integrated electricity generator with external stator and power conditioner
View Patent ↗A tool cover for receiving a tool housing of a pneumatic tool is disclosed. The tool cover supports and aligns an inductor element of a stator with magnets of a rotor within the tool housing. The tool cover also supports a circuit to which the inductor element is electrically connected, where the circuit comprises a power conditioner for receiving current from the inductor element and conditioning the current to be acceptable for supply to a load that comprises one or more logic processing devices.
1. A stator for cooperating with a rotor having magnets mounted therein and disposed within a tool housing of an integrated electricity generator of a tool, the stator configured to be disposed on the exterior of the tool housing and comprising:
an inductor core having opposing ends connected by a middle portion;
a coil wound around the middle portion and having leads for supplying current to a load external to the tool housing, where both the inductor core and coil are configured to be arced between the opposing ends about the axis of rotation of the rotor, and the inductor core is configured to provide a consistent gap between the face of the inductor core and the face of each magnet while each magnet is being rotated between positions proximal the opposing ends, the inductor core having a length to enable its opposing ends to each be simultaneously radially aligned with a respective magnet in the rotor to complete a magnetic circuit through the inductor core; and
a power conditioner receiving the current from the coil and conditioning the current to be acceptable for supply to a load that comprises one or more logic processing devices.