Cummins Filtration Ip, Inc.

Fleetguard, Inc.

Digisonix, Inc.

Universal Acoustic & Emission Technologies, Inc.

Jay V Warner

Jeffrey T Sedlacek

Kenneth Pawson

Randolph G Zoran

Patrick M Pierz

Howard E Tews

Thomas O Roe

David Kapsos

Kent F Delfosse

Scott D Kuhn

Dawn Marsh

Ken Trumm

Jean-Marc Vasnier

John Degnan

Timothy J Palzkill

Ami E Kreger

Roger Bahr

An exhaust aftertreatment system has a side inlet flow diffuser and provides even flow exhaust distribution to an aftertreatment element.

Exhaust aftertreatment system with flow distribution

Catalyst housings and catalyst silencer housings that include various features for modularity and for servicing and securing catalysts elements, spacers and filter elements are provided.

Catalyst housing

An exhaust treatment packaging apparatus, system, and method includes an elongate exhaust gas passage comprising an inlet for the entrance of flowing exhaust gases and an outlet for the exit of the gases. A catalytic device comprising an inlet and an outlet completely or partially overlaps the passage to reduce the length required for the system. The passage outlet is disposed adjacent the catalytic device inlet, and a flow connector connects the passage outlet to the catalytic device inlet. A particulate filter or other treatment device may be substituted for or added to the catalytic device. A doser disposed upstream of the passage doses an additive which evaporates, mixes, or otherwise undergoes change in the passage before reaching the catalytic device.

Exhaust treatment packaging apparatus, system, and method

An exhaust aftertreatment assembly and method enables lateral removal of an aftertreatment component from between first and second assembly components for servicing.

Serviceable exhaust aftertreatment assembly and method

A vertical mount muffler ( ) has an external water trap ( ) in an exhaust pipe ( ) and drains water from a point between the muffler housing upper outlet ( ) and the terminal end ( ) of the exhaust pipe. The water trap ( ) is laterally adjacent to the muffler housing ( ) and below the housing upper outlet ( ) and traps and drains water entering the exhaust pipe ( ) from the terminal end ( ).

Muffler with external water trap

A multi-filter-set active adaptive control system includes a plurality of output transducer arrays introducing control signals to combine with a system input signal to yield a system output signal. A plurality of error transducers sense the system output signal and provide a plurality of error signals to a plurality of sets of adaptive filters. A plurality of sets of D/A converters are provided at the outputs of the adaptive filters outputting correction signals therethrough. A plurality of sets of A/D converters are provided at the filter inputs and error inputs of the adaptive filters. Various filter sets and combinations are provided.

Multi-filter-set active adaptive control system

Growing community of inventors

Stoughton, WI, United States of America

Jay V Warner