| 摘要 |
<p>PROBLEM TO BE SOLVED: To discontinue the use of parts affecting adversely by the variation with time and provide a pump of separate structure in which the above-referred parts are not used. SOLUTION: Induction valve units 5 and 6 for dividing a cylinder 10 with a suction hole and a discharge outlet into a suction chamber A communicated with the suction hole and a discharge chamber B communicated with the discharge outlet are inserted slidably into the above-referred cylinder 10 in the axial direction, and axis units 1 and 7 for moving reciprocatingly the induction valve units 5 and 6 at the given interval in the axial direction are inserted into the cylinder 10, and a flow path to be opened and closed at the time of moving reciproatingly the induction valve units 5 and 6 and communicating the suction chamber A with the discharge chamber B are provided, and also valve mechanisms 8 and 9 for opening and closing the suction hole in communication with the reciprocating movement of the axis units 1 and 7 are provided in the suction chamber A.</p> |
