An electromechanical device has a rotor, a stator, and a module that at least partially houses the rotor. During normal operation of the electromechanical device, the stator is positioned external to and separate from the module....http://www.google.com.au/patents/US20100152524?utm_source=gb-gplus-sharePatent US20100152524 - MODULAR MAGNETO MECHANICAL DEVICE
