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    • 4. 发明授权
    • Spark arrester and muffler construction
    • 火花报警器和打印机构造
    • US3677364A
    • 1972-07-18
    • US3677364D
    • 1971-05-06
    • TECUMSEH PRODUCTS CO
    • PAWLINA JULIAN S
    • F01N3/06F01N1/08F01N7/18
    • F01N13/1855F01N1/089F01N3/06F01N13/1888F01N2230/06F01N2260/20
    • A combined muffle and spark arrester for use with small internal combustion engines. The muffler includes two expansion chambers through which engine exhaust is passed and a hat-shaped sparkarresting screen positioned within the second chamber. The screen removes particles from the exhaust having a size greater than the screen mesh to prevent the discharge of potentially dangerous sparks. A curved heat shield is supported on the muffler by a plurality of U-shaped brackets which are projection welded to the two chambers. The muffler construction is particularly rigid and the muffler is provided with a removable end cap to provide convenient access for removing the screen for cleaning.
    • 用于小型内燃机的组合式马弗炉和避雷器。 消音器包括两个膨胀室,发动机排气通过该膨胀室,并且位于第二室内的帽形防火屏幕。 屏幕从具有大于筛网的尺寸的废气中除去颗粒以防止潜在的危险火花放电。 通过多个U形支架将消音器支撑在弯曲的热屏蔽件上,该U形托架被投影焊接到两个腔室。 消音器结构特别刚性,并且消音器设置有可移除的端盖,以提供用于移除用于清洁的屏幕的方便的通道。