US 12,325,486 B2
Snow vehicle
Michael Fuchs, Medina, MN (US); and Cody Telford, Sandpoint, ID (US)
Assigned to POLARIS INDUSTRIES INC., Medina, MN (US)
Filed by Polaris Industries Inc., Medina, MN (US)
Filed on Oct. 17, 2023, as Appl. No. 18/488,542.
Application 18/488,542 is a division of application No. 16/995,960, filed on Aug. 18, 2020, granted, now 11,814,136.
Claims priority of provisional application 62/889,349, filed on Aug. 20, 2019.
Prior Publication US 2024/0043092 A1, Feb. 8, 2024
Int. Cl. B62M 27/02 (2006.01)
CPC B62M 27/02 (2013.01) [B62M 2027/023 (2013.01); B62M 2027/025 (2013.01); B62M 2027/026 (2013.01); B62M 2027/027 (2013.01); B62M 2027/028 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A snow vehicle comprising:
a frame assembly;
a seat coupled to the frame assembly;
a tunnel coupled to the frame assembly, said tunnel having an upper surface defining a plane; and
an engine having a crankshaft axis disposed below the plane of the upper surface of the tunnel, said crankshaft coupled to a clutch comprising a primary clutch and a secondary clutch, said primary clutch comprising a first clutch axis of rotation disposed below the plane of upper surface of the tunnel, at least a portion of the primary clutch, at least a portion of the secondary clutch and at least a portion of the engine are disposed directly beneath the seat in a vertical direction, said secondary clutch disposed behind the engine, at least a portion of the engine disposed in front of the seat, the engine further comprises an exhaust port disposed in front of the seat and a tuned pipe coupled to the exhaust port, said tuned pipe having a first curved portion curving the tuned pipe upward after the exhaust port and a second curved portion of the tuned pipe after the first curved portion directing the tuned pipe into a rearward direction, the first curved portion and the second curved portion disposed in front of the seat.