基本信息:
- 专利标题： SPRAY-HEAD FOR FIGHTING FIRE
- 专利标题（中）：喷头灭火
- 申请号：EP92905590.3 申请日：1992-02-28
- 公开(公告)号：EP0665761B1 公开(公告)日：1998-10-14
- 发明人： SUNDHOLM, Göran
- 申请人： SUNDHOLM, Göran
- 申请人地址： Ilmari Kiannon kuja 3 SF-04310 Tuusula FI
- 专利权人： SUNDHOLM, Göran
- 当前专利权人： SUNDHOLM, Göran
- 当前专利权人地址： Ilmari Kiannon kuja 3 SF-04310 Tuusula FI
- 代理机构： Jenkins, Peter David
- 优先权： FI911028 19910228; FI911404 19910322; FI911792 19910412; FI912433 19910520; FI913018 19910619; FI914705 19911004
- 国际公布： WO9215370 19920917
- 主分类号： A62C37/10
- IPC分类号： A62C37/10
摘要：
The invention relates to a spray-head for fire fighting. The spray-head according to the invention comprises a housing having a central boring with a movable spindle (11), the spindle (11) comprising a shoulder (11a) for defining an annular space (15) between the spindle (11) and a surrounding boring wall, the annular space (15) communicating with a respective feed line (3) and having the same cross-sectional area as the end of the piston (11) subected to the liquid pressure in the line (3). A spring force (16) is arranged to act on the piston (11) in the direction of release.