The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 29, 2020

Filed:

Jan. 31, 2019
Applicant:

Brp Us Inc., Sturtevant, WI (US);

Inventors:

Jeffrey Wasil, Kenosha, WI (US);

George Broughton, Wadsworth, IL (US);

Assignee:

BRP US INC., Sturtevant, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 13/00 (2010.01); F01N 3/04 (2006.01); F01N 3/28 (2006.01); B63H 20/24 (2006.01); B63H 20/32 (2006.01); F01N 11/00 (2006.01);
U.S. Cl.
CPC ...
F01N 13/004 (2013.01); B63H 20/245 (2013.01); B63H 20/32 (2013.01); F01N 3/046 (2013.01); F01N 3/28 (2013.01); F01N 11/00 (2013.01); F01N 2560/08 (2013.01);
Abstract

An exhaust system for a marine outboard engine including an engine having an engine exhaust port. The exhaust system includes a first exhaust port, a second exhaust port vertically higher than the first exhaust port, a first passage for fluidly connecting to the engine exhaust port and fluidly connected to the first exhaust port, a second passage fluidly connected between the first passage and the second exhaust port, a catalytic converter defining at least in part the second passage, a valve operable to at least partially close the first passage to respectively reduce and increase flow of exhaust gas to the first exhaust port and the second exhaust port, a valve actuator operatively connected to the valve, and a controller operatively connected to the valve actuator for controlling a position of the valve based at least in part on a speed and a throttle request of the engine.


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