| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a valve sound without deteriorating responsiveness of a valve in a pressure control device for controlling a pressure of fuel supplied to an internal combustion engine. Ž<P>SOLUTION: The pressure control device includes a retainer spring 90 mounted on a diaphragm and receiving one end of a spring 80. The retainer spring 90 includes contact parts T1 and T2 slidably abutted on an inner wall 10a of a spring chamber cover 13. The spring constant of the contact part T1 and the spring constant of the contact part T2 are different from each other. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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