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:
Apr. 11, 2023

Filed:

Jan. 25, 2022
Applicant:

Bombardier Recreational Products Inc., Valcourt, CA;

Inventors:

David Laroche, Sherbrooke, CA;

Steve Brouillette, Sherbrooke, CA;

Catherine Geoffroy, Granby, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F16H 57/02 (2012.01); F16H 57/031 (2012.01); F16H 57/035 (2012.01); F16H 57/027 (2012.01);
U.S. Cl.
CPC ...
F16H 57/0416 (2013.01); F16H 57/031 (2013.01); F16H 57/035 (2013.01); F16H 57/0489 (2013.01); F16H 57/027 (2013.01); F16H 2057/0203 (2013.01); F16H 2057/02065 (2013.01);
Abstract

A vehicle has an engine; a drive pulley connected to and driven by a crankshaft of the engine; a driven pulley; an output shaft connected to and driven by the driven pulley; a belt looped around the pulleys; and a cover connected to the engine. The cover and the engine define a volume therebetween. A baffle disposed in the volume separates the volume in first and second chambers. The first chamber is disposed between the baffle and the engine. The second chamber is disposed between the baffle and the cover. The pulleys are disposed in the second chamber. The baffle defines first and second apertures fluidly communicating the first chamber with the second chamber. An air inlet is fluidly connected to the first chamber. An air outlet is fluidly connected to the second chamber.


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