US 11,932,321 B2
All-terrain vehicle
Ryan M. LaCanne, Eagan, MN (US); Nicholas K. Otto, Milltown, WI (US); Jeffrey D. Bennett, Roseau, MN (US); and Ryan K. Lovold, Columbia, MO (US)
Assigned to Polaris Industries Inc., Medina, MN (US)
Filed by Polaris Industries Inc., Medina, MN (US)
Filed on Oct. 2, 2020, as Appl. No. 17/062,105.
Application 17/062,105 is a continuation of application No. 15/895,495, filed on Feb. 13, 2018, granted, now 10,793,181.
Prior Publication US 2021/0016823 A1, Jan. 21, 2021
Int. Cl. F01N 13/00 (2010.01); B60G 3/20 (2006.01); B62D 3/12 (2006.01); B62D 5/04 (2006.01); B62D 21/18 (2006.01); B62D 39/00 (2006.01); B62D 65/02 (2006.01); B62K 5/01 (2013.01); B62K 21/00 (2006.01); B62K 25/04 (2006.01); B62K 5/00 (2013.01)
CPC B62D 5/0403 (2013.01) [B60G 3/20 (2013.01); B62D 3/126 (2013.01); B62D 5/04 (2013.01); B62D 21/183 (2013.01); B62D 39/00 (2013.01); B62D 65/02 (2013.01); B62K 5/01 (2013.01); B62K 21/00 (2013.01); B62K 25/04 (2013.01); F01N 13/00 (2013.01); B60G 2200/144 (2013.01); B60G 2206/011 (2013.01); B60G 2300/07 (2013.01); B60G 2300/124 (2013.01); B62K 2005/001 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A vehicle comprising:
a frame extending along a longitudinal axis;
ground engaging members supporting the frame, including front and rear ground engaging members;
a seat supported by the frame;
an engine supported by the frame and having at least one cylinder; and
an exhaust system fluidly coupled to the engine, the exhaust system including a muffler having a longitudinally-extending centerline that is coplanar with the longitudinal axis of the frame along a rear of the vehicle, wherein the muffler defines a generally elliptical cross-section having a horizontal component defining a width of the muffler and a vertical component defining a height of the muffler, wherein the muffler is longitudinally aligned with the at least one cylinder of the engine.