A structural unit for an electric vehicle which includes a box-like slide-in unit containing the electrical, electronic, and electro-mechanical structural elements for the control and regulation of the operating currents and voltages. The slide-in unit which is adapted to be securely connected with the...http://www.google.com.tw/patents/US4153127?utm_source=gb-gplus-share專利 US4153127 - Structural unit for an electric vehicle
