| 发明名称 |
PNEUMATIC PRESSURE SWITCH |
| 摘要 |
A pneumatic pressure detector comprises a first electrical terminal, a second electrical terminal and a deformable diaphragm configured to deform between first, second and third positions. When the diaphragm is in its first position, the first and second terminals are open. When the diaphragm is in its second position, the first terminal is open and the second terminal is closed. When the diaphragm is in its third position, the first and second terminals are both closed. The pneumatic pressure detector may be connected to a sensor tube. |
| 申请公布号 |
US2014320292(A1) |
申请公布日期 |
2014.10.30 |
| 申请号 |
US201414249815 |
申请日期 |
2014.04.10 |
| 申请人 |
Kidde Technologies, Inc. |
发明人 |
Rennie Paul;Smith Paul D. |
| 分类号 |
G08B21/18;F15B15/20 |
主分类号 |
G08B21/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A pneumatic pressure detector comprising:
first and second electrical terminals; and a deformable diaphragm configured to deform between first, second and third positions, wherein in said first position, said first and second terminals are open, in said second position, said first terminal is open and said second terminal is closed, and in said third position, said first and second terminals are closed and wherein said detector is configured such that a first alarm is activated when said first terminal is closed and a second alarm is activated when said second terminal is opened. |
| 地址 |
Wilson NC US |
