发明授权
US5559310A Muffler for air operated reciprocating pumps 失效
气动往复泵消声器

Muffler for air operated reciprocating pumps
摘要:
An open path low back pressure muffler for reciprocating air motor pulsing exhaust providing an increased area inlet orifice, double flow path reversal with directional flow assistance and a turnable sound absorbing lined duct exit.
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