| 摘要 |
PROBLEM TO BE SOLVED: To improve heat efficiency and output by promoting the heat transfer in a high temperature space/low temperature space through forced flow and also vary the output by regulating the strength of the forced flow, in the engine or refrigerator/heat pump operated by a stiring cycle or the cycle combined therewith plurally. SOLUTION: A heat pipe 2 and cooling pipe 10 are installed and a high temperature space 3/low temperature space 11 are connected to a forced flow device with the heat pipe 2 or cooling pipe 10 and the operation gas in the high temperature space/low temperature space is introduced in these heat transfer pipes repeatedly or continuously. The strength of the forced flow is varied by using a motor to the drive of a forced flow device and connecting with a power shaft via the power transmission with a variable speed. The driving force for the forced flow is reduced by making such a combination, that the volumes in the cylinders 4, 9 for swinging a gas becomes nearly constant at their respective heat source termperatures, and the force by the operation gas pressure is offset.
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