| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve structure in which the durability of a leaf valve can be improved. SOLUTION: The valve structure is provided with a plurality of ports 2 provided on the same circle, a valve body 1 provided with a plurality of opening windows 3 communicating to an outlet end of each port 2 and a seat part 4 surrounding an opening end outer circumference of each opening windows 3, an abutment member 20 abutting on the seat part 4 and laminated on the valve body 1, and a leaf valve 10 laminated on the abutment member 20. The abutment member 20 includes one or more grooves 21 provided having a total circumferential direction width longer than the total circumferential direction width of each opening window 3 formed on a leaf valve side end part, and a plurality of communication holes 22 establishing communication between an inside of the groove 21 and each opening window 3. COPYRIGHT: (C)2007,JPO&INPIT
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