US 12,296,920 B2
Snowmobile
Jan R. Vistad, Roseau, MN (US); Dustin A. Mertens, Roseau, MN (US); Andrew J. Mills, Daniel, WY (US); and Michael A. Hedlund, Roseau, MN (US)
Assigned to POLARIS INDUSTRIES INC., Medina, MN (US)
Filed by Polaris Industries Inc., Medina, MN (US)
Filed on Aug. 9, 2023, as Appl. No. 18/231,913.
Application 16/505,996 is a division of application No. 14/152,596, filed on Jan. 10, 2014, granted, now 10,358,187, issued on Jul. 23, 2019.
Application 18/231,913 is a continuation of application No. 17/679,595, filed on Feb. 24, 2022, granted, now 11,753,114.
Application 17/679,595 is a continuation of application No. 16/505,996, filed on Jul. 9, 2019, granted, now 11,286,019, issued on Mar. 29, 2022.
Prior Publication US 2023/0382494 A1, Nov. 30, 2023
Int. Cl. B62M 27/02 (2006.01)
CPC B62M 27/02 (2013.01) [B62M 2027/023 (2013.01); B62M 2027/028 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A snowmobile, comprising:
a chassis, comprising a front chassis portion and a rear chassis portion;
an engine positioned in the front chassis portion and having at least one intake port and at least one exhaust port;
a front body portion defined over the front chassis portion and defining an engine compartment, at least one portion of the front body portion being fixed relative to the front chassis and at least one other portion being movable relative to the front chassis;
an air intake system fluidly coupled to the engine, the air intake system comprising:
a plurality of air vents positioned in the fixed front body portion, the plurality of air vents including a first air vent and a second air vent laterally offset from the first air vent; and
at least a first duct fluidly coupled to the plurality of air vents and communicating air from the plurality of air vents to the engine intake port, and
wherein at least one portion of the air intake system is at least partially comprised of a porous material, whereby sound from the air intake is dissipated through the porous material and into the engine compartment.