| 摘要 |
<p>PCT No. PCT/GB96/02161 Sec. 371 Date Apr. 27, 1998 Sec. 102(e) Date Apr. 27, 1998 PCT Filed Sep. 2, 1996 PCT Pub. No. WO97/09580 PCT Pub. Date Mar. 13, 1997A weapon simulator comprising a combustion chamber (1), means (2) for admitting fuel gas to the combustion chamber, an inlet valve (9) for admitting air to the combustion chamber, the inlet valve being biased open at ambient pressure and arranged to close in response to both pressure rise and drop in the combustion chamber, means (7) to introduce ambient air into the combustion chamber through the valve (9), ignition means (3) for igniting fuel gas in the combustion chamber to cause an explosion, and an exhaust port (2) in the combustion chamber through which exhaust gases can exit rapidly and with audible results in response to explosive pressure rise within the combustion chamber.</p> |
