公开(公告)号：US12173633B2

公开(公告)日：2024-12-24

申请号：US17965031

申请日：2022-10-13

Applicant: TENNECO AUTOMOTIVE OPERATING COMPANY INC.

Inventor： Jason C. Johnson ,  Bradley Smith ,  Brett Herwat

IPC: F01N13/08 ,  F01N13/18

Abstract: An exhaust assembly includes a first tailpipe having an exit end and a curved portion along at least a portion of a length of the first tailpipe. The exhaust assembly further includes a baffle surrounding the first tailpipe at the exit end and defining a plurality of perforations therethrough. The exhaust assembly further includes a pair of shields. Each shield is attached to and at least partially surrounds each of the baffle and the first tailpipe. Each shield extends from a first end proximal to the exit end of the first tailpipe to a second end distal to the exit end of the first tailpipe. Each shield engages the baffle at the first end and engages the first tailpipe at least at or proximal to the second end. The pair of shields is adapted to allow fluid flow to or from the plurality of perforations of the baffle.

公开(公告)号：US20220220874A1

公开(公告)日：2022-07-14

申请号：US17616803

申请日：2020-06-04

Applicant: Tenneco Automotive Operating Company Inc.

Inventor： Brett Herwat ,  Boyd Boehlke ,  Bradley Smith ,  Jason Johnson

IPC: F01N1/00 ,  F01N13/08 ,  F01N1/16

Abstract: A muffler for use with an internal combustion engine is provided. The muffler includes a first tube configured to receive a first exhaust stream. The first tube includes a first inlet portion, a first outlet portion spaced apart from the first inlet portion, and a first intermediate portion extending between the first inlet portion and the first outlet portion. The muffler also includes a second tube configured to receive a second exhaust stream. The second tube includes a second inlet portion, a second outlet portion spaced apart from the second inlet portion, and a second intermediate portion extending between the second inlet portion and the second outlet portion. The first intermediate portion and the second intermediate portion cross each other, are at least partially stacked on each other, and are in fluid communication with each other.

公开(公告)号：US11692470B2

公开(公告)日：2023-07-04

申请号：US17616803

申请日：2020-06-04

Applicant: Tenneco Automotive Operating Company Inc.

Inventor： Brett Herwat ,  Boyd Boehlke ,  Bradley Smith ,  Jason Johnson

IPC: F01N1/12 ,  F01N13/08

CPC classification number: F01N1/12 ,  F01N13/08 ,  F01N2470/10 ,  F01N2470/14 ,  F01N2470/16 ,  F01N2470/20

Abstract: A muffler for use with an internal combustion engine is provided. The muffler includes a first tube configured to receive a first exhaust stream. The first tube includes a first inlet portion, a first outlet portion spaced apart from the first inlet portion, and a first intermediate portion extending between the first inlet portion and the first outlet portion. The muffler also includes a second tube configured to receive a second exhaust stream. The second tube includes a second inlet portion, a second outlet portion spaced apart from the second inlet portion, and a second intermediate portion extending between the second inlet portion and the second outlet portion. The first intermediate portion and the second intermediate portion cross each other, are at least partially stacked on each other, and are in fluid communication with each other.