| 摘要 |
A reciprocating thermal actuator system with hydraulic coupling to hydraulic motion output such as a motor is powered through cooling or alternatively heating of a thermally expansible liquid contained within respective chambers of ring shaped cross section, the heating and cooling provisions being integral with the unit and adaptable for either natural or artificial heating and cooling; details of a thermal switch in two embodiments, and of an electrical system synchronizing the heating are disclosed.
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