发明名称 |
Self metering foam proportioning system |
摘要 |
A fire fighting fluid proportioning system and method including a fire fighting fluid conduit in fluid communication with a fire fighting fluid regulating valve and a venturi, the venturi in fluid communication with a valve source of fire fighting foam concentrate, and having a pilot valve connected directly or indirectly to the regulating valve and the concentrate source valve and adapted to adjust, directly or indirectly, the regulating valve and the source valve in response to a sensed indicia of fire fighting fluid pressure in the conduit.
|
申请公布号 |
US6659187(B1) |
申请公布日期 |
2003.12.09 |
申请号 |
US20000648351 |
申请日期 |
2000.08.25 |
申请人 |
WILLIAMS FIRE & HAZARD CONTROL, INC |
发明人 |
CRABTREE DENNIS W.;BRINKERHOFF DUANE J.;LAVERGNE ERIC |
分类号 |
A62C5/02;A62C31/07;B05B1/26;B05B1/28;B05B1/32;B05B7/00;B05B7/06;(IPC1-7):A62C2/00 |
主分类号 |
A62C5/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|