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    • 5. 发明授权
    • Method of producing an expanded insulating layer for propellant charges
    • 制造用于推进剂装料的膨胀绝缘层的方法
    • US4473517A
    • 1984-09-25
    • US455488
    • 1983-01-04
    • Peter GoedtkeHeinz G. Langer
    • Peter GoedtkeHeinz G. Langer
    • F02K9/34B29C27/10
    • F02K9/346
    • An insulating layer is effected between a propellant charge in the interior walls of a combustion chamber of a rocket engine by applying an expandable plastic to the inside of the combustion chamber housing between the housing and the outer circumferential wall of the propellant charge then expanding the plastic. Advantageously the combustion chamber is preheated before introducing the charge and the expandable plastic into the combustion chamber. Preferably the ratio of the layer of the thickness of the expandable plastic to the spacing between the propellant charge and the walls of the combustion chamber ranges from 1 to 11/2; 1 to 1 and 1 to 3. The expandable plastic is advantageously a polybutadiene.
    • 在火箭发动机的燃烧室的内壁中的推进剂装料之间,通过将可膨胀塑料施加到壳体与推进剂装料的外周壁之间的燃烧室壳体的内部,然后使塑料膨胀而实现绝缘层 。 有利地,在将电荷和可膨胀塑料引入燃烧室之前,将燃烧室预热。 优选地,可膨胀塑料的厚度层与推进剂装料与燃烧室壁之间的间隔的比例范围为1至11/2; 1至1和1至3.可膨胀塑料有利地是聚丁二烯。