US 12,215,656 B2
Evaporative emissions control for a vehicle
Lindsay S B Edwards, North Branch, MN (US); Jonathon P. Graus, Wyoming, MN (US); and Nick Levin, Wyoming, MN (US)
Assigned to Polaris Industries Inc., Medina, MN (US)
Filed by Polaris Industries Inc., Medina, MN (US)
Filed on Jan. 26, 2023, as Appl. No. 18/101,743.
Application 16/999,833 is a division of application No. 15/387,662, filed on Dec. 22, 2016, granted, now 10,767,600, issued on Sep. 8, 2020.
Application 18/101,743 is a continuation of application No. 16/999,833, filed on Aug. 21, 2020, granted, now 11,585,300.
Prior Publication US 2023/0175462 A1, Jun. 8, 2023
Int. Cl. F02M 25/08 (2006.01); B60K 5/04 (2006.01); B60K 15/035 (2006.01); F02B 75/18 (2006.01); F02D 41/00 (2006.01)
CPC F02M 25/089 (2013.01) [B60K 5/04 (2013.01); B60K 15/03504 (2013.01); B60K 15/03519 (2013.01); F02B 75/18 (2013.01); F02D 41/004 (2013.01); F02M 25/0836 (2013.01); F02M 25/0854 (2013.01); F02M 25/0872 (2013.01); B60K 2015/0358 (2013.01); B60Y 2200/20 (2013.01); F02B 2075/1808 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A vehicle comprising:
a frame;
a plurality of ground engaging members supporting the frame;
a powertrain assembly operably coupled to the ground engaging members, the powertrain assembly comprising:
an engine having a first cylinder and a second cylinder; and
at least one throttle body fluidly coupled to the first cylinder and the second cylinder;
an intake assembly coupled to the engine, the intake assembly comprising a first intake port and a second intake port;
an exhaust assembly coupled to the engine; and
a fuel system fluidly coupled to the engine, the fuel system including;
a first throttle body fluidly coupled to the first intake port,
a second throttle body fluidly coupled to the second intake port,
a mixing volume fluidly coupled to each of the first throttle body and the second throttle body,
a fuel tank, and the mixing volume and the fuel tank each fluidly coupled to each of the first throttle body and the second throttle body,
an evaporative canister fluidly coupled intermediate the fuel tank and the mixing volume
a first check valve operably coupled to the first cylinder and positioned intermediate the mixing volume and the first throttle body,
a second check valve operably coupled to the second cylinder and positioned intermediate the mixing volume and the second throttle body, and
a fuel vapor line fluidly coupling the fuel tank to the first check valve and the second check valve.