| 发明名称 |
Vacuum Valve |
| 摘要 |
A pneumatic vacuum valve is situated atop a cylinder or convenient working space utilized in conjunction with a pneumatic elevator. The vacuum valve has a coupling unit holding a diaphragm device for actuation of the diaphragm against a flow control opening. An Allen screw uses a simple regulation device to control the flow of air into a working chamber for expansion and contraction of the diaphragm device. |
| 申请公布号 |
US2014238781(A1) |
申请公布日期 |
2014.08.28 |
| 申请号 |
US201313778182 |
申请日期 |
2013.02.27 |
| 申请人 |
Ascua Carlos M.;de Ledebur Juan Carlos |
发明人 |
Ascua Carlos M.;de Ledebur Juan Carlos |
| 分类号 |
B66B9/04 |
主分类号 |
B66B9/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A vacuum valve system comprising:
a pneumatic elevator cylinder having a sealed cabin therein that has a diaphragm device attached at a top of the pneumatic elevator cylinder. |
| 地址 |
Parana AR |
