| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a check valve that is easy to be manufactured and can suppress pulsation without deteriorating durability. <P>SOLUTION: An internal passage 51 moving according to differential pressure in an inlet-outlet port of a housing 2 is formed in a fuel flow pass 11 of the housing 2. A downstream of the internal passage 51 has an internal passage valve seat 57 having an opening 55 communicating with an inlet port 2A where, when the fluid pressure of the inlet port 2A is higher than one of outlet ports 2B, a ball 3 which protrudes more downstream than the opening 5 of the housing valve seat 7 and functions as a valve body is pushed more downstream ((4), (5) steps). <P>COPYRIGHT: (C)2013,JPO&INPIT |
