Apparatus for directly converting thermal energy into rotational movement. A long shaft relative to its cross-section and made of an elastic material with a high thermal coefficient of expansion is equipped with a plurality of journals at prescribed points along its axial length. A corresponding number...http://www.google.fr/patents/US4503676?utm_source=gb-gplus-shareBrevet US4503676 - Apparatus for directly converting thermal to rotational energy
Apparatus for directly converting thermal to rotational energy
