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    • 4. 发明申请
    • AN ANNULAR PISTON SYSTEM FOR RIFLES
    • 一个固定的活塞活塞系统
    • WO2013136112A3
    • 2014-01-23
    • PCT/IB2012003126
    • 2012-11-23
    • ZHENG JING
    • ZHENG JING
    • F41A5/20F41A5/28F41A13/12
    • F41A5/20F41A5/28F41A13/12
    • An annular piston system for a firearm comprises a barrel, a gas block assembly, a piston, and a spring. The barrel has multiple sections lengthwise, one of the sections having at least one gas port hole to vent gas from the barrel. The gas block assembly is disposed annularly around the barrel and is adjustable to control an amount of gas flowing out of the barrel through the at least one gas port hole. The piston is disposed annularly around the barrel and can move longitudinally along the barrel in response to being pushed by the gas flowing out of the barrel. The spring is disposed annularly around the third section of the barrel and coupled to the piston. The spring limits a distance that the piston can move longitudinally along the barrel when the piston is pushed to move by the gas flowing out of the barrel.
    • 用于枪支的环形活塞系统包括枪管,气体组件,活塞和弹簧。 桶具有纵向多个部分,其中一个部分具有至少一个气体端口孔,以从筒体排出气体。 气体组件环绕环设置并且是可调节的,以通过至少一个气体孔来控制从筒体流出的气体的量。 活塞环绕环设置并且可以响应于被流出筒的气体的推动而沿着桶纵向移动。 弹簧环绕环的第三部分设置并联接到活塞。 当活塞被从气缸中流出的气体推动移动时,弹簧限制了活塞可沿着筒体纵向运动的距离。
    • 9. 发明申请
    • HIGH PERFORMANCE GUN BARREL
    • 高性能枪手
    • WO1994012843A1
    • 1994-06-09
    • PCT/US1993011533
    • 1993-11-30
    • ROGERS, Ernest
    • F41A21/28
    • F41A21/24F41A13/12F41A21/28F41A21/30
    • A barrel (10) has an inner tube (12) with cartridge chamber (28) at one end and a muzzle (16) at the other. An outer tube (56) is secured to and surrounds said inner tube to form a propellant chamber (60) therewith. The barrel guides projectiles such as bullets (32) as they are accelerated by a propellant. The inner tube has a wall with an aperture (62) formed therein and spaced inwardly from said muzzle. Propellant gasses pass through the aperture into said propellant chamber. A plurality of ribs (52) also extend between the inner and outer tubes. A coolant may also be injected into the propellant chamber to escape through the muzzle with the propellant after the projectile exits the muzzle.
    • 桶(10)具有在一端具有盒室(28)的内管(12)和另一端的枪口(16)。 外管(56)固定到所述内管并围绕所述内管以与其形成推进剂室(60)。 枪管引导诸如子弹(32)的射弹,因为它们被推进剂加速。 内管具有壁,其上形成有孔(62),并且与所述枪口间隔开。 推进剂气体通过孔进入推进剂室。 多个肋(52)也在内管和外管之间延伸。 在喷射器离开枪口后,冷却剂也可以注射到推进剂室中以与推进剂一起通过枪口逸出。