CPC Main Group
F01N 13/00 Exhaust or silencing apparatus characterised by constructional features
16 direct subcodes
Child Classifications
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- F01N 13/02 having two or more separate silencers in series
- F01N 13/04 having two or more silencers in parallel, e.g. having interconnections for multi-cylinder engines
- F01N 13/06 specially adapted for star-arrangement of cylinders, e.g. exhaust manifolds
- F01N 13/08 Other arrangements or adaptations of exhaust conduits
- F01N 13/12 specially adapted for submerged exhausting
- F01N 13/14 having thermal insulation
- F01N 13/16 Selection of particular materials
- F01N 13/18 Construction facilitating manufacture, assembly, or disassembly
- F01N 13/20 having flared outlets, e.g. of fish-tail shape