| 摘要 |
Safety system to prevent fire or explosion in fuel transporting tank trucks. The tank portion is surrounded by a pressurized system which when broken, as by impact, the altered pressure in the system automatically starts fire foam generating equipment to produce fire foam which is automatically dispensed in the immediate area of the tank. In a preferred form the pressurized system comprises a jacket which completely encompasses the fuel carrying tank, and the space between the tank and the jacket is charged with a pressure of air or inert gas which is slightly higher than atmospheric pressure.
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