| 发明名称 |
VALVE DEVICE AND POPPET |
| 摘要 |
A valve device includes: a poppet that is formed in a hollow shaft shape except for a leading end, has a tapered closure part at the leading end and a side hole passing through a wall of the hollow shaft-shaped part, and rotates around a shaft center thereof during opening and closing actions; and a valve seat having a sloped seat surface with which the closure part of the poppet comes into contact when closing the valve device. The closure part of the poppet or the seat surface of the valve seat, whichever has a higher hardness, has a cut mark of the opposite direction from a direction of rotation of the poppet around the shaft center that occurs during the valve closing action. |
| 申请公布号 |
US2016312902(A1) |
申请公布日期 |
2016.10.27 |
| 申请号 |
US201615138686 |
申请日期 |
2016.04.26 |
| 申请人 |
Jtekt Corporation ;Toyota Jidosha Kabushiki Kaisha |
发明人 |
MIYAKE Junya;Nishi Koji;Sugiyama Kazuhisa;Mio Takumi;Kubota Sachiko;Okawachi Eiji;Yamashita Akira;Takeshita Naohiro |
| 分类号 |
F16K1/38;F16K1/42;F16K47/04;F16K15/06 |
主分类号 |
F16K1/38 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A valve device comprising:
a poppet that is formed in a hollow shaft shape except for a leading end, has a tapered closure part at the leading end and a side hole passing through a wall of the hollow shaft-shaped part, and rotates around a shaft center thereof during opening and closing actions; and a valve seat having a sloped seat surface with which the closure part of the poppet comes into contact when closing the valve device, wherein the closure part of the poppet or the seat surface of the valve seat, whichever has a higher hardness, has a cut mark of the opposite direction from a direction of rotation of the poppet around the shaft center that occurs during the valve closing action. |
| 地址 |
Osaka-shi JP |
