Buckling protective fuze cap专利检索-流体动能能源燃料种类专利检索查询-专利查询网

Buckling protective fuze cap

阅读：185发布：2022-02-02

专利汇可以提供Buckling protective fuze cap专利检索，专利查询，专利分析的服务。并且A removable protective cap for an air driven fluidic fuze is described. A fluidic fuze having a plurality of ports therein for the introduction and exhaust of ram air is mounted in a projectile. A removable protective cap fits over the end of the fuze in sealing engagement with the parts during storage of the fuze and while the projectile is at rest in a launch tube or gun prior to firing. The protective cap includes a silicone rubber nose portion extending from one end of the fuze and a skirt portion which fits over the fuze end in sealing engagement with the ports. The cap further includes a shoulder portion between the nose and skirt portions. When the projectile is first fired, the setback forces in the launch tube cause the nose portion to be accelerated toward the wall of the tube. As the projectile emerges from the tube, the nose portion pivots about the cap shoulder as a fulcrum point in response to stored kinetic energy, and, if this is insufficient, to windstream drag forces to effect a complete removal of the protective cap.，下面是Buckling protective fuze cap专利的具体信息内容。

权利要求

1. In combination with a fluidic fuze for a detonating device contained in a projectile to be fired from a gun, said fuze having at least one port in the exterior surface thereof for the flow of fluids therethrough, cap means for sealing said at least one port before said projectile is fired, said cap means being removable in response to forces generated by the firing of said projectile, the improvement in said cap means comprising: a. a flexible nose portion of a predetermined size extending from one end of said fluidic fuze; and b. a flexible skirt portion extending in the opposite direction from said one end over said fuze in sealing engagement with said at least one port; whereby the forces generated in response to the firing of said projectile cause said nose portion to pivot toward said skirt portion to thereby remove said skirt portion from said fuze.

2. The combination of claim 1 wherein said cap means is further provided with a shoulder means at the juncture of said nose portion and said skirt portion, said shoulder means serving as a fulcrum point about which said nose portion may pivot.

3. The combination of claim 2 wherein said forces generated by the firing of said projectile are setback forces and windstream forces, said nose portion pivoting to a first position in response to said setback forces and a second position in response to said windstream forces.

4. The combination of claim 2 wherein said predetermined size of said nose portion is defined by the equation:

5. The combination of claim 2 wherein the material of said cap means comprises silicone rubber.

6. The combination of claim 5 wherein the material of said fluidic fuze comprises a polycarbonate, and a dry lubricant is disposed between said cap and said fuze.

7. The combination of claim 6 wherein said dry lubricant is graphite.

8. The combination of claim 6 wherein said dry lubricant is boron nitride.

9. The combination of claim 2 wherein said fluidic fuze is dome-shaped with a waist portion and a base portion of said skirt of said cap means is adapted to fit snugly within said waist to effect a seal.

10. The combination of claim 9 wherein said fluidic fuze includes an entrance port for fluid in said one end and a plurality of exhaust ports in the surface of said waist portion.

11. The combination of claim 1 wherein said cap is removable or replaceable by hand.

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Buckling protective fuze cap

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