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    • 1. 发明授权
    • Method of generating a high pressure gas pulse using fuel and oxidizer
that are relatively inert at ambient conditions
    • 使用在环境条件下相对惰性的燃料和氧化剂产生高压气体脉冲的方法
    • US5909001A
    • 1999-06-01
    • US796013
    • 1997-02-05
    • Yeshayahu Shyke A. Goldstein
    • Yeshayahu Shyke A. Goldstein
    • F41A1/04F41A20060101F41A1/02F41B6/00F41F1/00F42B5/08F42B6/00F02K9/00
    • F42B6/006F41B6/00F42B5/08
    • A high pressure pulsed gas source for accelerating a projectile along a gun barrel comprises a structure including a high voltage electrode for establishing axial electrical discharges in corresponding axial gaps behind an outlet where the projectile is located. Plasma flows at right angles to the discharges into a propellant mass that is converted into a high pressure component of the gas pulse. The gaps are arranged so that after the projectile moves away from its initial position and is in the barrel, power applied to the plasma via gaps close to the outlet is greater than power applied to the plasma via gaps farther from the outlet. To avoid damage to the gun, the gaps are arranged so power applied to the plasma is substantially the same in the discharges when plasma is initially produced. The gaps include walls that are eroded differently by the discharges so gap walls close to the outlet erode faster than gap walls farther from the outlet. The propellant mass includes a solid fuel and an oxidizer that do not react at ambient conditions. A portion of the fuel abuts the structure and the fuel and oxidizer are vaporized and elevated to a sufficiently high temperature by the plasma as to produce an exothermic chemical reaction resulting in derivation of the high pressure gas pulse that is supplied to the projectile. The axial gaps are arranged so that the power applied to the plasma via gaps close to the projectile causes initial vaporization of the fuel closest to the projectile prior to vaporization of the fuel farther from the projectile and progressive vaporization of the fuel farther from the projectile.
    • 用于加速枪管沿炮枪筒的高压脉冲气体源包括一种结构,其包括高压电极,用于在射弹所在的出口后面的相应的轴向间隙中建立轴向放电。 等离子体与放电成直角流动成为转化为气体脉冲的高压分量的推进剂物质。 间隙被布置成使得在射弹远离其初始位置并且在枪管中之后,通过靠近出口的间隙施加到等离子体的功率大于通过距离出口更远的间隙施加到等离子体的功率。 为了避免损坏喷枪,间隙被布置成使得等离子体的功率在最初产生等离子体时的放电中基本相同。 这些间隙包括被排放物不同地侵蚀的墙壁,使靠近出口的间隙壁比离开出口的间隙壁更快地腐蚀。 推进剂物质包括在环境条件下不起反应的固体燃料和氧化剂。 燃料的一部分与结构相接触,并且燃料和氧化剂被蒸发并通过等离子体升高到足够高的温度,以产生放热的化学反应,导致提供给射弹的高压气体脉冲的衍生。 轴向间隙被布置成使得通过靠近抛射体的间隙施加到等离子体的功率在燃料离喷射体更远的蒸发之前引起最接近射弹的燃料的初始蒸发,并且使燃料从射弹进一步蒸发。
    • 2. 发明授权
    • Double piston propulsion unit
    • 双活塞推进装置
    • US5313870A
    • 1994-05-24
    • US39143
    • 1993-04-23
    • Robert O. Clark
    • Robert O. Clark
    • F41A20060101F41A1/10
    • F41A1/10
    • A double piston propulsion unit for a recoilless mass/countermass projectile launcher comprises two hollow cylindrical pistons (22, 23) arranged in a back-to-back relationship with closed outer ends and open inner ends, the open inner ends being joined together by a circumferential rupturable connecting means so that the pistons form a vessel in which a propellant charge (34) is enclosed. In operation, the unit is slideably located inside the open-ende launch tube (1) of the projectile launcher at its mid-point. The propellant when initiated causes a build up of propellant gases inside the vessel and when the gas pressure reaches a pre-determined value the connecting means fails in tension and the piston (22, 23) are propelled in opposite directions. The tensile and compressive force experienced by the pistons (22, 23) during the firing of the unit are substantially decreased compared to known units, so that relatively lightweight pistons (22, 23) can be employed.
    • PCT No.PCT / GB91 / 01661 Sec。 371日期:1993年4月23日 102(e)日期1993年4月23日PCT 1991年9月27日PCT PCT。 出版物WO92 / 06344 日本1999年4月16日。用于无后坐力质量/反炸弹抛射发射器的双活塞推进装置包括两个中空圆柱形活塞(22,23),其与封闭的外端和敞开的内端以背对背的关系布置, 内端通过周向可破裂的连接装置连接在一起,使得活塞形成封闭推进剂装料(34)的容器。 在运行中,该装置在其中点可滑动地位于射弹发射器的开放式发射管(1)的内部。 推进剂在启动时引起容器内的推进剂气体的积聚,并且当气体压力达到预定值时,连接装置处于不稳定状态,并且活塞(22,23)以相反的方向被推进。 与已知单元相比,在燃烧单元期间活塞(22,23)所经受的拉伸和压缩力大大降低,从而可以采用相对较轻的活塞(22,23)。
    • 3. 发明授权
    • Digital pistol
    • 数码手枪
    • US06890178B2
    • 2005-05-10
    • US10685436
    • 2003-10-16
    • Junichi GoukoHiroshi Watanabe
    • Junichi GoukoHiroshi Watanabe
    • F41A33/06A63H33/18F41A20060101F41A9/53F41A19/00F41A33/00F41A33/02F41A33/04F41G3/26F41J5/14
    • F41G3/2655F41A33/02F41A33/06
    • A gun suitable for games is disclosed for permitting an operator to recognize when a trigger is pulled. A target signal receiver receives a target signal sent from a target for causing the gun to recognize that the gun is opposite the target, and notifies a controller that the target signal receiver has received the target signal. Upon detection of a manipulation by the operator, the controller a forces shooting device to perform a shooting operation, and instructs an information generator to generate recognition information. The shooting device emits an optical bullet formed of a light ray. The recognition information generator drives a solenoid to bring associated members into impact against each other to permit the operator to recognize that the operation has been performed.
    • 公开了适用于游戏的枪,以允许操作者识别何时拉动扳机。 目标信号接收器接收从目标发送的目标信号,以使枪识别枪与目标相反,并通知控制器目标信号接收器已经接收到目标信号。 当检测到操作者的操纵时,控制器用力拍摄装置执行拍摄操作,并指示信息发生器产生识别信息。 拍摄装置发射由光线形成的光学子弹。 识别信息发生器驱动螺线管以使相关联的构件相互碰撞,以允许操作者识别出已经执行了操作。
    • 4. 发明授权
    • Method of and apparatus for generating a high pressure gas pulse using
fuel and oxidizer that are relatively inert at ambient conditions
    • 使用在环境条件下相对惰性的燃料和氧化剂产生高压气体脉冲的方法和装置
    • US5612506A
    • 1997-03-18
    • US417529
    • 1995-04-06
    • Yeshayahu S. A. Goldstein
    • Yeshayahu S. A. Goldstein
    • F41A1/04F41A20060101F41A1/02F41B6/00F41F1/00F42B5/08F42B6/00
    • F42B6/006F41B6/00F42B5/08
    • A high pressure pulsed gas source for accelerating a projectile along a gun barrel comprises a structure including a high voltage electrode for establishing axial electrical discharges in corresponding axial gaps behind an outlet where the projectile is located. Plasma flows at right angles to the discharges into a propellant mass that is converted into a high pressure component of the gas pulse. The gaps are arranged so that after the projectile moves away from its initial position and is in the barrel, power applied to the plasma via gaps close to the outlet is greater than power applied to the plasma via gaps farther from the outlet. To avoid damage to the gun, the gaps are arranged so power applied to the plasma is substantially the same in the discharges when plasma is initially produced. The gaps include walls that are eroded differently by the discharges so gap walls close to the outlet erode faster than gap walls farther from the outlet. The propellant mass includes a solid fuel and an oxidizer that do not react at ambient conditions. A portion of the fuel abuts the structure and the fuel and oxidizer are vaporized and elevated to a sufficiently high temperature by the plasma as to produce an exothermic chemical reaction resulting in derivation of the high pressure gas pulse that is supplied to the projectile. The axial gaps are arranged so that the power applied to the plasma via gaps close to the projectile causes initial vaporization of the fuel closest to the projectile prior to vaporization of the fuel farther from the projectile and progressive vaporization of the fuel farther from the projectile.
    • 用于加速枪管沿炮枪筒的高压脉冲气体源包括一种结构,其包括高压电极,用于在射弹所在的出口后面的相应的轴向间隙中建立轴向放电。 等离子体与放电成直角流动成为转化为气体脉冲的高压分量的推进剂物质。 间隙被布置成使得在射弹远离其初始位置并且在枪管中之后,通过靠近出口的间隙施加到等离子体的功率大于通过距离出口更远的间隙施加到等离子体的功率。 为了避免损坏喷枪,间隙被布置成使得等离子体的功率在最初产生等离子体时的放电中基本相同。 这些间隙包括被排放物不同地侵蚀的墙壁,使靠近出口的间隙壁比离开出口的间隙壁更快地腐蚀。 推进剂物质包括在环境条件下不起反应的固体燃料和氧化剂。 燃料的一部分与结构相接触,并且燃料和氧化剂被蒸发并通过等离子体升高到足够高的温度,以产生放热的化学反应,导致提供给射弹的高压气体脉冲的衍生。 轴向间隙被布置成使得通过靠近抛射体的间隙施加到等离子体的功率在燃料离喷射体更远的蒸发之前引起最接近射弹的燃料的初始蒸发,并且使燃料从射弹进一步蒸发。