F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/35
F01N 1/04 (2006.01) F01N 13/16 (2010.01) C04B 38/00 (2006.01) F01N 1/10 (2006.01) F01N 1/24 (2006.01)
Patent
CA 1184127
ABSTRACT OF THE DISCLOSURE A silencer comprising one or more sound-absorbing parts of ceramic material. The ceramic material is porous and the sound-absorbing parts are self-supporting and have a specific resistance to air flow of 103 - 107 Pas/m2 and a compression strength of at least 40 kN/m2, preferably at least 400 kN/m2.
406462
Johansson Bengt R.
Norrbrand Gote V.
Slycke H. Lennart
Antiphon Ab
Fetherstonhaugh & Co.
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