发明名称 |
Apparatus for sensing empty hoppers |
摘要 |
A gravity operated conical hopper having a sliding closure plate which is pneumatically activated as soon as the hopper has been emptied. An apparatus and method is also disclosed for pneumatically detecting and automatically closing the hopper to stop the flow of contained material after material has been discharged to a particular level.
|
申请公布号 |
US4445628(A) |
申请公布日期 |
1984.05.01 |
申请号 |
US19810334128 |
申请日期 |
1981.12.24 |
申请人 |
KOPPERS COMPANY, INC. |
发明人 |
CAIN, GEORGE R. |
分类号 |
F27D3/10;F27D7/02;F27D19/00;F27D21/00;F27D21/04;F27D99/00;(IPC1-7):F27D3/00 |
主分类号 |
F27D3/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|