Back to results
US 7,882,911 B2Granted
Straddle type vehicle including air exhaust duct for continuously variable transmission
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorTakayuki Nobuhira
Life of this patent
Estimating the term…
Abstract
A straddle-type vehicle with enhanced heat exhaust efficiency in a transmission case housing a continuously variable transmission. The continuously variable transmission and an engine are arranged forward of a rear wheel 4. An air intake duct introduces outside air into the transmission case and an air exhaust duct exhausts air from the transmission case. The air exhaust duct is connected to and extends upward from a top portion of the transmission case. The air exhaust duct has an air exhaust port that is positioned above the transmission case.
Claims12
A straddle-type vehicle comprising:
- a belt-type continuously variable transmission and an engine arranged forward of a rear wheel;
- a main frame arranged to support the engine;
- a seat rail connected to the main frame;
- a seat and a storage case supported by the seat rail, the storage case being disposed under the seat;
- a transmission case housing the continuously variable transmission;
- an air intake duct for introducing outside air into the transmission case;
- and
- an air exhaust duct for exhausting air from the transmission case, wherein
- the air exhaust duct is connected to and extends upward from a top portion of the transmission case, and includes an air exhaust port positioned above the transmission case;
- the air exhaust duct extends from the to portion of the transmission case toward an inside of the vehicle in a vehicle width direction, and through a space between the main frame and the seat rail in a side view of the vehicle;
- and
- at least a portion of the exhaust port of the air exhaust duct overlaps with the storage case in a top view of the vehicle.
9 more elements
Dependencies are inferred from the claim text.