基本信息:
- 专利标题： ELECTROHYDRAULIC VALVE HAVING DUAL-ACTION RIGHT-ANGLE PILOT ACTUATOR
- 申请号：US14934591 申请日：2015-11-06
- 公开(公告)号：US20170130857A1 公开(公告)日：2017-05-11
- 发明人： Dennis Ray BARBER
- 申请人： Caterpillar Inc.
- 申请人地址： US IL Peoria
- 专利权人： Caterpillar Inc.
- 当前专利权人： Caterpillar Inc.
- 当前专利权人地址： US IL Peoria
- 主分类号： F16K31/06
- IPC分类号： F16K31/06 ; F16K27/04 ; E02F9/00 ; F16K11/06
摘要：
A pilot actuator is disclosed for use with a valve. The pilot actuator may have a cage with a base end and a tip end, and a pilot bore formed in the cage. The pilot actuator may also have a supply port, a drain port, a first end port, and a second end port each formed in the cage and intersecting with the pilot bore. The pilot actuator may further have a pilot spool slidingly disposed in the pilot bore and movable to selectively connect the supply port and the drain port with the first and second end ports, a follower separate from the cage and disposed at the tip end of the cage, and at least one spring operatively connecting the follower to the cage and to the pilot spool.
公开/授权文献:
IPC结构图谱:
| F | 机械工程；照明；加热；武器；爆破 |
| --F16 | 工程元件或部件；为产生和保持机器或设备的有效运行的一般措施；一般绝热 |
| ----F16K | 阀；龙头；旋塞；致动浮子；通风或充气装置 |
| ------F16K31/00 | 操作装置；释放装置 |
| --------F16K31/02 | .电力的；磁力的 |
| ----------F16K31/06 | ..使用磁铁 |