F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/25
F01N 1/08 (2006.01) F01N 13/00 (2010.01)
Patent
CA 1278261
MUFFLER Abstract A sound attenuator may be directly threadedly connected to the exhaust port of a pneumatic device whose exhaust air is to be attenuated. A fail saEe blowout plug is provided in the attenuator at the end remote from the exhaust port connection. A cartridge screen covering exhaust slots in the attenuator wall is trapped within an annular groove in the end of the attenuator remote from the exhaust port connection. The screen overlies a protective cover within the attenuator which extends over the blowout plug.
551134
Macrae & Co.
Trainor John B.
LandOfFree
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