| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a piston type compressor that can form a plurality of passages inside a driving shaft, and in which one passage thereof is a residual gas bypass passage bypassing high-pressure residual gas in a cylinder bore to a low-pressure cylinder bore.SOLUTION: A continuous hole 61 is formed inside a driving shaft 18. A cylindrical body 70 is inserted into the continuous hole 61. The inner peripheral side of the cylindrical body 70 is opened to the continuous hole 61 while a residual gas bypass passage and the continuous hole 61 are in a non-connection state. A valve mechanism includes an annular space 75 sectioned on the outer peripheral side of the cylindrical body 70 in the continuous hole 61, and a plurality of communication holes 65, 66 communicating the annular space 75 with a guide passage 60. The residual gas bypass passage is formed by the annular space 75 and the communication holes 65, 66.</p> |
