James J Dougherty

US Patent:

20140077400, Mar 20, 2014

Filed:

Nov 26, 2013

Appl. No.:

14/089822

Inventors:

Rangan Chakravarthi - Izumisano, JP
James Dougherty - Ypsilanti MI, US

Assignee:

Tenneco Automotive Operating Company Inc. - Lake Forest IL

International Classification:

B01F 3/04

US Classification:

261 74

Abstract:

A mixer for mixing an exhaust flow with a fluid injected into an exhaust pipe includes a tubular housing having a reduced size center portion positioned between first and second ends. The housing includes circumferentially spaced apart apertures extending through the center portion. A first mixing element includes a first peripheral portion positioned within one of the apertures and a second peripheral portion positioned within another one of the apertures. A second mixing element includes third and fourth peripheral portions positioned within other apertures of the housing.

US Patent:

20150314250, Nov 5, 2015

Filed:

Jul 14, 2015

Appl. No.:

14/799081

Inventors:

- Lake Forest IL, US
Rangan Chakravarthi - Izumisano, JP
James Dougherty - Ypsilanti MI, US

International Classification:

B01F 5/04
B01D 53/79
F01N 3/08
B01F 3/04

Abstract:

A mixer for mixing an exhaust flow in an exhaust pipe includes a tubular housing having a first end, a second end and a center portion positioned between the ends. The center portion has a reduced size in relation to at least one of the first and second ends. The housing includes circumferentially spaced apart apertures extending through the center portion. A mixing element includes a body having a first peripheral portion and a second peripheral portion. The first peripheral portion is fixed to the center portion at a location adjacent to one of the apertures. The second peripheral portion is fixed to the center portion at a location adjacent to another one of the apertures.