摘要 |
A thermal cycle engine (96) of the type having a piston undergoing reciprocating linear motion within an expansion cylinder, the expansion cylinder having a cylindrical wall and containing a working fluid heated by conduction, through a heater head (100), of heat from an exhaust gas of an external combustor having a fuel supply and a thermal sensor (138) for measuring a temperature of the heater head (100) at a point of maximum temperature of the heater head (100). |