| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a reciprocating pump having a safety valve provided with a primary function and possible to be effectively used usually. <P>SOLUTION: The reciprocating pump is provided with the safety valve 50 in relation to a pump chamber P formed between a suction side and a discharge side check valves 21 and 31. The safety valve 50 is structured to change the condition wherein the pump chamber P is opened when the inner pressure thereof becomes the predetermined pressure after sealing the pump chamber P, and the condition wherein seal of the pump chamber P is released. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
