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    • 7. 发明授权
    • Slotted hybrid pressure vessel
    • 开槽混合压力容器
    • US5564272A
    • 1996-10-15
    • US282990
    • 1994-07-29
    • Mark J. WarnerWayne E. BerndtO. N. Thompson, Jr.Scott W. LauritzenKevin W. Davis
    • Mark J. WarnerWayne E. BerndtO. N. Thompson, Jr.Scott W. LauritzenKevin W. Davis
    • F02K9/34F02K9/38F42B39/20F02K9/00
    • F42B39/20F02K9/34F02K9/38
    • The present invention is directed to a novel pressure vessel and process for manufacturing the pressure vessel. In one embodiment, the invention includes a case for a rocket motor which includes a cylindrical, metal shell which has been configured with a plurality of slots positioned in axially extending rows. A fiber reinforced plastic layer is attached to the metal shell. Each slot has a length (L) and is separated by adjacent slots in the same row by an axial distance (A) with adjacent rows of slots separated by a circumferential distance (C) and configured such that L+A.gtoreq.6C and L.gtoreq.4A. The method of the invention comprises using a CO.sub.2 laser to cut a keyhole in the shell and then cutting axially outwardly from the keyhole to form the slot, resulting in slots having a width equal to the cutting width of the laser. The beam is then defocused and used to heat a portion of the metal shell surrounding the ends of each slot to produce a tempered zone.
    • 本发明涉及一种新型的压力容器和用于制造压力容器的方法。 在一个实施例中,本发明包括一种用于火箭发动机的壳体,该壳体包括圆柱形的金属壳体,该壳体已被构造成具有定位在轴向延伸的行中的多个狭槽。 纤维增强塑料层附着在金属外壳上。 每个槽具有长度(L),并且由相邻行中的相邻槽分开轴向距离(A),相邻行槽间隔开周向距离(C)并且被配置为使得L + A> = = 6和 L> / = 4A。 本发明的方法包括使用CO 2激光器切割壳体中的锁孔,然后从锁眼轴向向外切割以形成槽,从而形成具有等于激光切割宽度的宽度的槽。 然后将光束散焦并用于加热围绕每个槽的端部的金属壳的一部分以产生回火区。