To provide a control valve capable of being correctly and smoothly operated without any abnormal noise or general noise caused by vibration of a valve element when the control valve is opened.
In a control valve, a valve element 36 is guided by a guide bush 24, the valve element is moved in an approaching/separating direction to/from a valve seat 20, and the valve element opens/closes a valve port 22 of the valve seat. The valve element includes a first flange 66 located at a through hole 38 passing through the valve element of the guide bush when the valve element is opened, and a second flange 68 separate from the first flange and located in a vicinity of an opening of a pressure equalizing hole 42 formed in the guide bush. A first groove 70 is formed between the first and second flanges, and a second groove 72 is formed between the second flange and a base end 36C of the valve element.
NAKAGAWA DAIKI
MINAMIZAWA HIDEKI
KOBAYASHI KAZUYA
MIYADERA HIROTAKA
JP2001027335A | 2001-01-30 | |||
JPS62140286U | 1987-09-04 | |||
JPH11287337A | 1999-10-19 | |||
JP3145048U | 2008-09-25 | |||
JPH0242286A | 1990-02-13 | |||
JPH09317922A | 1997-12-12 | |||
JP2010043727A | 2010-02-25 |
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