| 摘要 |
<p>PCT No. PCT/GB96/01089 Sec. 371 Date Feb. 23, 1998 Sec. 102(e) Date Feb. 23, 1998 PCT Filed May 8, 1996 PCT Pub. No. WO96/35918 PCT Pub. Date Nov. 14, 1996The invention provides a weapon simulator which comprises a combustion chamber having an exhaust port, a mechanism for admitting fuel gas to the combustion chamber, an ignition system for igniting fuel gas in the combustion chamber to cause an explosion, and an outlet valve to close the exhaust port. The outlet valve is arranged to open rapidly and with audible results in response to an explosive pressure rise within the combustion chamber. Further, the outlet valve comprises a collapsible diaphragm and a breechblock having opposing clamping parts releasable secured together and which releasably grip the collapsible diaphragm such that the gripped portion of the diaphragm is released on its collapse due to the explosive pressure rise in the combustion chamber.</p> |
