| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a check valve of small type including a pressure relieving function, easily manufacturable at a low cost. <P>SOLUTION: The check valve 100 having a pressure relieving function includes a valve element 30, which is installed slidably on a valve shell 1 furnished with a main passage 25 in communication with the primary side and secondary side and a valve seat 13, and a relief passage 35 from the secondary to the primary side and a relief valve element 50 which are provided in the check valve element, wherein the check valve element is energized from the secondary to the primary side by a first elastic member 40 to make valve closing, while the relief valve element is energized from the primary to the secondary side by a second elastic member 60 to make valve closing. <P>COPYRIGHT: (C)2012,JPO&INPIT |
