| 摘要 |
PROBLEM TO BE SOLVED: To provide a driving machine in which consumption of compressed air is reduced. SOLUTION: A main valve chamber 10e is connected with a pressure storage chamber 10a through a main valve control passage 61 and a main valve chamber passage 62. A cylindrical part 71 having a sub-valve 72 inside thereof is provided on a portion of the main valve control passage 61 and a portion of the main valve chamber passage 62 between the main valve chamber 10e and the pressure storage chamber 10a. One end of a sub-valve control passage 63 is connected to the upper end of the cylindrical part 71 and an other end is connected to a return air chamber 10b. When the sub-valve 72 is at a first position, the main valve chamber passage 62 is shut off and the main valve control passage 61 is communicated. When the sub-valve 72 is at a second position, the main valve chamber passage 62 is communicated and the main valve control passage 61 is shut off. COPYRIGHT: (C)2011,JPO&INPIT |
