| 摘要 |
<p>PROBLEM TO BE SOLVED: Not to spoil transportation and workability even if adding a communicating conduit. SOLUTION: This pump device is furnished with an internal combustion engine 30, a pump 60 driven by this internal combustion engine 30 and a case body 100 to store these internal combustion engine 30 and pump 60, and it is constituted to generate vacuum suction force by air suction of this pump 30. In this case, communicating conduits 101, 102, 103 to communicate an air suction conduit 51 of the internal combustion engine 30 and an air suction conduit 52 of the pump 60 to each other are furnished, and these communicating conduits are arranged and provided in the inside of the case body 100.</p> |
