An exciter (20) for starting a power generator having a thermally isolated diode wheel (25) and methods of removing a diode wheel (25) from an exciter rotor shaft (30) are provided. The exciter (20) preferably includes an exciter rotor shaft (30), a thermal insulation layer (40) mounted to the exciter...http://www.google.com.hk/patents/US6404082?utm_source=gb-gplus-share專利 US6404082 - Exciter having thermally isolated diode wheel and method of removing diode wheel for same
