| 摘要 |
An engine 10 comprises a first positive displacement machine A having an inlet 13 and an outlet 14; a second positive displacement machine B having an inlet 23 and an outlet 26; ducting 16 connected between the outlet of the first positive displacement machine and the inlet of the second positive displacement machine; heater means 18 for raising the temperature and pressure of a working fluid in the ducting; and a kinematic connection 28 between the first and second positive displacement machines, where in use, the first positive displacement machine causes the working fluid to flow through the ducting to the second positive displacement machine, the heated working fluid drives the second positive displacement machine and the second positive displacement machine drives the first positive displacement machine via the kinematic connection and where the first and second positive displacement machines comprise at least one rotating piston 15,25, arranged to rotate out of phase with each other. A rotary displacement machine is also claimed. |
