Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
Load children
F01N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
Load children
3/00
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
Load children Filter patents View analytics View as hierarchy Open in page
F01N3/02
for cooling, or for removing solid constituents of, exhaust
Load children Filter patents View analytics View as hierarchy Open in page
F01N3/022
characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
Load children Filter patents View analytics View as hierarchy Open in page
F01N3/0228
the structure being made of foamed rubber or plastics
Filter patents View analytics View as hierarchy Open in page

F01N3/0228

Multistage body having a plurality of flow channels
10625251 · 2020-04-21 · ·

Described is a new multilevel article comprising a multitude of ducts and, in each duct in the direction of flow, at least one area which generates turbulence, forms an open duct section, is connected to the duct wall, and forms a baffle for the incoming flow and a stall strip for the outgoing flow. The described article has a plurality of successive interconnected duct structures which form a step-like transition in relation to each other in the direct of flow.

MULTISTAGE BODY HAVING A PLURALITY OF FLOW CHANNELS
20180126369 · 2018-05-10 ·

Described is a new multilevel article comprising a multitude of ducts and, in each duct in the direction of flow, at least one area which generates turbulence, forms an open duct section, is connected to the duct wall, and forms a baffle for the incoming flow and a stall strip for the outgoing flow. The described article has a plurality of successive interconnected duct structures which form a step-like transition in relation to each other in the direct of flow.