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PCE
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DIFF Subgroup
F01N 3/038

by means of perforated plates defining expansion chambers associated with condensation and collection chambers

Introduced: January 2000

Full Title

Full titles differ between systems:

IPC:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust > for cooling, or for removing solid constituents of, exhaust > by means of perforated plates defining expansion chambers associated with condensation and collection chambers

CPC:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (electric control F01N9/00; monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N11/00) > for cooling, or for removing solid constituents of, exhaust (by means of electric or electrostatic separators F01N3/01 ) > by means of perforated plates defining expansion chambers associated with condensation and collection chambers

No child classifications to compare. This is a leaf node in both IPC and CPC.