| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a piston pump and a water making device using this piston pump, superior in energy-saving efficiency, without causing damage. <P>SOLUTION: This piston pump 1 has a cylinder 2 having an inside space 21 and a plurality of pistons 3 slidably arranged in the inside space 21. In the piston pump 1, the cylinder 2 has a first inflow-outflow part 22 capable of making a first fluid flow in and out to the inside space 21 and a second inflow-outflow part 23 respectively arranged on both sides of sandwiching the first inflow-outflow part 22 and capable of making a second fluid flow in and out the inside space 21, and the respective pistons 3 are respectively arranged between the first inflow-outflow part 22 and the respective second inflow-outflow parts 23. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
