| 摘要 |
A vapor engine using a refrigerant as its working medium and having a number of bellows each forming an expansion chamber which receives the working medium and changing its volume under the influence of the pressure exerted by the vaporized working medium. A crank shaft is arranged above and is mechanically connected to each of the bellows, and a rotary slide is provided below the bellows for controlling the flow of the working medium to and from the bellows.
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