Evaporative emissions control for a vehicle
An all-terrain vehicle (“ATV”) comprising a frame, a plurality of ground engaging members supporting the frame, a straddle seat coupled to the frame for supporting at least one rider, a powertrain assembly operably coupled to the ground engaging members, the powertrain assembly comprising an engine, a storage container coupled to the frame at a position rearward of the straddle seat, an exterior surface of the storage container including an indentation, and a fuel system fluidly coupled to the engine, the fuel system including a fuel tank, a fuel vapor line fluidly coupling the fuel tank to the engine, and an evaporation canister positioned along the fuel vapor line, wherein the evaporation canister is positioned within the indentation in an exterior surface of the storage container.
1 . A vehicle comprising:
a frame;
a body supported by the frame, the body having a front body panel and a rear body panel;
a plurality of ground engaging members supporting the frame;
a seat coupled to the frame for supporting at least one rider;
a powertrain assembly operably coupled to the ground-engaging members, the powertrain assembly comprising an engine including an engine rearward extent and an exhaust assembly operably coupled to the engine;
an indented member positioned rearward of the seat;
a fuel system fluidly coupled to the engine, the fuel system including a fuel tank with a fuel tank rearward extent positioned forwardly of the engine rearward extent, the fuel tank defining a lower extent and a horizontal plane extends along the lower extent and intersects the engine, a fuel vapor line fluidly coupling the fuel tank to an evaporation canister and passing between the exhaust assembly and the indented member, and the evaporation canister positioned along the fuel vapor line and rearwardly of the engine rearward extent, wherein at least a portion of the evaporation canister is positioned between an upper-facing surface of the indented member and a bottom surface of the rear body panel; and
a heat shield, supported by the frame and positioned between the exhaust assembly and the vapor fuel line, wherein the heat shield insulates the fuel vapor line from heat.
2 . The vehicle of claim 1 , wherein the upper-facing surface of the indented member includes a shape complementary to a shape of the evaporation canister.
3 . The vehicle of claim 1 , wherein the fuel tank includes a vapor exit port, the vapor exit port and the evaporation canister being positioned above a lowermost extent of the seat.
4 . The vehicle of claim 3 , wherein the vehicle has an upper half and a lower half, the vapor exit port, the evaporation canister, and the seat being positioned entirely within the upper half of the vehicle.
5 . The vehicle of claim 3 , wherein the vapor exit port and the evaporation canister are positioned higher than an uppermost extent of the engine.
6 . The vehicle of claim 1 , wherein the fuel vapor line includes a fuel vapor load line fluidly coupling the fuel tank to the evaporation canister and a fuel vapor purge line fluidly coupling the evaporation canister to the engine, and the seat includes a longitudinal length, the fuel vapor load line extending from forward of the seat to rearward of the seat, a length of the fuel vapor load being greater than the longitudinal length of the seat.
7 . An all-terrain vehicle (“ATV”) comprising:
a frame extending along a longitudinal axis;
a first vertical plane extending along the longitudinal axis;
a second vertical plane extending orthogonal to the first vertical plane;
a horizontal plane extending orthogonal to each of the first vertical plane and the second vertical plane;
a body panel assembly comprising at least one body panel;
a plurality of ground engaging members supporting the frame;
a straddle seat coupled to the frame for supporting at least one rider;
a powertrain assembly operably coupled to the ground engaging members, the powertrain assembly comprising an engine and an exhaust assembly operably coupled to the engine;
a bracket comprising a bracket body and a plurality of bracket extensions projecting upwardly from the bracket body, the plurality of bracket extensions coupled to the at least one body panel at a position rearward of the straddle seat;
a fuel system supported by the frame, the fuel system comprising a fuel tank positioned forward of the straddle seat, a fuel vapor line fluidly coupling the fuel tank to an evaporation canister and passing between the exhaust assembly and the bracket, an evaporation canister fluidly coupled to the fuel tank, an air filter coupled to the evaporation canister, and the evaporation canister positioned intermediate the bracket body and the at least one body panel;
wherein each of the fuel tank and the engine intersect each of the first vertical plane, the second vertical plane, and the horizontal plane; and
a heat shield, supported by the frame and positioned between the exhaust assembly and the vapor fuel line, wherein the heat shield insulates the fuel vapor line from heat.
8 . The ATV of claim 7 , wherein the at least one body panel comprises at least one body panel extension extending downwardly from the at least one body panel to couple with at least one of the plurality of bracket extensions.
9 . The ATV of claim 7 , wherein the bracket body comprises an opening and the evaporation canister comprises a plurality of extension members, and the plurality of extension members are configured to sit within the opening.
10 . The ATV of claim 7 , wherein a shape of the bracket body is complementary to a shape of the evaporation canister.
11 . The ATV of claim 7 , further comprising a coupling mechanism extending across the bracket body, the coupling mechanism configured to retain the evaporation canister within the bracket body.
12 . The ATV of claim 7 , wherein the powertrain assembly comprises an intake assembly, and the evaporation canister is positioned vertically higher than a portion of the intake assembly.
13 . The ATV of claim 7 , wherein the air filter is positioned vertically lower than the evaporation canister.
14 . An all-terrain vehicle (“ATV”) comprising:
a frame extending along a longitudinal centerline;
a plurality of ground engaging members supporting the frame;
a straddle seat coupled to the frame for supporting at least one rider;
a powertrain assembly operably coupled to the ground engaging members, the powertrain assembly comprising an engine and an exhaust assembly operably coupled to the engine, the exhaust assembly comprising a muffler positioned rearwardly of the straddle seat and on a first side of the longitudinal centerline;
a bracket supported by the frame, the bracket positioned rearwardly of the straddle seat, and the bracket comprising a body and a plurality of extensions extending from the body;
a fuel system comprising a fuel tank supported by the frame at a position forward of the straddle seat, a fuel vapor line fluidly coupling the fuel tank to an evaporation canister and passing between the exhaust assembly and the bracket, and an evaporative canister positioned along the longitudinal centerline and rearward of the straddle seat, the evaporative canister positioned adjacent the muffler of the exhaust assembly, and the fuel tank comprising a fill opening and a fuel vapor exit port;
the evaporative canister is positioned in the body of the bracket, the evaporative canister fluidly coupled to the fuel vapor exit port by a fuel vapor line, and the evaporative canister positioned at a height substantially similar to that of the fuel vapor exit port, and a portion of the fuel vapor line is positioned substantially vertically below each of the fuel vapor exit port and the evaporative canister; and
a heat shield, supported by the frame and positioned between the exhaust assembly and the vapor fuel line, wherein the heat shield insulates the fuel vapor line from heat.
15 . The ATV of claim 14 , further comprising a fresh air intake positioned vertically lower than the evaporative canister.
16 . The ATV of claim 14 , wherein the fuel vapor line extends at a position lower than the fuel vapor exit port and the evaporative canister.
17 . The ATV of claim 16 , wherein the powertrain assembly further comprises an intake assembly and the evaporative canister is fluidly coupled to the intake assembly, and a purge valve is positioned fluidly intermediate the evaporative canister and the intake assembly.
18 . The ATV of claim 14 , further comprising a heat shield positioned intermediate the evaporative canister and the exhaust assembly.
19 . The ATV of claim 14 , wherein the muffler is vertically offset the evaporative canister.
20 . An all-terrain vehicle (“ATV”) comprising:
a frame;
a plurality of ground engaging members supporting the frame;
a straddle seat coupled to the frame for supporting at least one rider;
a body supported by the frame, the body comprising at least one body panel positioned rearwardly of the straddle seat;
a powertrain assembly operably coupled to the ground engaging members, the powertrain assembly comprising an engine and an exhaust assembly operably coupled to the engine;
a bracket comprising a body portion coupled to the at least one body panel, the body portion comprising an opening; and
a fuel system supported by the frame, the fuel system comprising:
a fuel tank positioned forward of the straddle seat; and
an evaporative canister defining a body extending longitudinally along an axis defining a plane, the body comprising a plurality of extensions including a first set of extensions positioned on a first side of the plane and a second set of extensions positioned on a second side of the plane opposite the first side and spaced apart from the opening, and each extension of the first set of extensions are configured to extend through the opening when the evaporative canister is positioned within the body portion;
a fuel vapor line fluidly coupling the fuel tank to the evaporation canister and passing between the exhaust assembly and the body; and
a heat shield supported by the frame and positioned between the exhaust assembly and the evaporative canister and a vapor fuel line, wherein the heat shield insulates the fuel vapor line from heat.
21 . The ATV of claim 20 , wherein the opening comprises a first end and a second end, and the second end is wider than the first end.
22 . The ATV of claim 21 , wherein the plurality of extensions includes a first pair of extensions and a second pair of extensions, the first pair of extensions defined by the first extension and a third extension, the first pair of extensions being spaced to be received by the first end of the opening and the second pair of extensions being spaced to be received by the second end of the opening.
23 . The ATV of claim 22 , further comprising a retention member extending across the evaporative canister, the retention member extending between the second set of extensions.
24 . The ATV of claim 20 , wherein the bracket further comprises at least one bracket extension, the bracket is coupled to the at least one body panel at the at least one bracket extension, and the evaporative canister is positioned intermediate the body portion of the bracket and the at least one body panel.
25 . The ATV of claim 20 , further comprising a fresh air intake fluidly coupled to the evaporative canister, and the fresh air intake is positioned vertically lower than the evaporative canister.
26 . The ATV of claim 20 , wherein the fuel system further comprises:
a fuel vapor line extending between the fuel tank and the evaporative canister, the fuel vapor line coupled to the evaporative canister at a first aperture; and
a fuel vapor purge line extending between the engine and the evaporative canister, the fuel vapor purge line coupled to the evaporative canister at a second aperture, the second aperture positioned vertically above the first aperture.