| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a compressor or a vacuum machine whose manufacturing cost is reduced.SOLUTION: The compressor or the vacuum machine includes a cylinder and a crankcase, a piston arranged in the cylinder and the crankcase, and a motor for reciprocating the piston, the cylinder including a cylinder body fixed to the crankcase, and a cylinder head fixed to the cylinder body, the cylinder body including a cylinder part inside which the front end of the piston is reciprocated, and a flat plate part which is formed integrally with the cylinder part to close the opening end of the cylinder part, and to which the cylinder head is fixed. It further includes a spacer for defining a chamber having a capacity changed with the reciprocating motion of the piston, together with the flat plate part, the spacer being cylindrical which is fitted into the cylinder part and inside which the front end of the piston is reciprocated.</p> |
