The invention discloses a unidirectional spray type fire extinguishing bomb without high explosive fragmentation, includes a housing, a fuse, an igniter, an fire extinguishing agent and a main charge, and further includes a tail braking device, combustor, a plate closure, a piston and a diffuser. Th
The invention discloses a unidirectional spray type fire extinguishing bomb without high explosive fragmentation, includes a housing, a fuse, an igniter, an fire extinguishing agent and a main charge, and further includes a tail braking device, combustor, a plate closure, a piston and a diffuser. The housing, the tail braking device and the piston are made of light metal materials; the housing is cylindrical; the tail braking device is arranged at the bottom of the housing and is fixed with the housing through a screw nail; and the fuse is arranged on the diffuser and is fixed through a screw nail. During working process, when the fuse detects the fire extinguishing bomb to be 5-10 meters far away from a combustion source, the igniter ignites the main charge, the piston is pushed under high pressure to move in the housing, and the fire extinguishing agent is sprayed out from spraying holes to the combustion source for fire extinguishing. The present invention has simple structure, and has no lethality when the fire extinguishing agent is sprayed.
대표청구항▼
1. A unidirectional spray type fire extinguishing bomb, comprising: a cylindrical housing defining a cavity thereto, and having a first end and a second end,a tail braking device disposed within the housing and at the first end of the housing and coupled with the housing by a fastener,a plate closur
1. A unidirectional spray type fire extinguishing bomb, comprising: a cylindrical housing defining a cavity thereto, and having a first end and a second end,a tail braking device disposed within the housing and at the first end of the housing and coupled with the housing by a fastener,a plate closure disposed within the housing, between the tail braking device and the second end,a combustor disposed within the housing, between the plate closure and the second end, wherein the combustor is coupled with the plate closure by a threaded connection, and is coupled with the housing by a fastener,a piston disposed within the housing, between the combustor and the second end, and defining a through hole at a center, wherein an outer diameter of the piston matches an inner diameter of the housing,an igniter disposed within the through hole of the piston and coupled with the combustor by a threaded connection,a main charge disposed within the combustor, wherein the main charge is configured to be ignite by the igniter,a fire extinguishing agent disposed within the housing, between the piston and the second end,a diffuser having spraying holes disposed on the its surfaced, the diffuser being disposed within the housing and at the second end of the housing, wherein a pin secures the diffuser in a position such that the spraying holes are covered by the housing, wherein upon igniting the main charge, the pin is shorn and the diffuser moves to extend the spraying holes beyond the second end of the housing, and wherein the second end prevents the diffuser from existing the housing,a fuse disposed on the diffuser and coupled with the diffuser by a fastener,wherein the housing, the tail braking device, and the piston are made of light metal materials. 2. The fire extinguishing bomb of claim 1 wherein the fastener is a screw nail.
Sridharan,Vinayagamurthy; Vairavan,Ram, Fire extinguishing by explosive pulverisation of projectile based frozen gases and compacted solid extinguishing agents.
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