Engine air intake arrangement for a vehicle
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorMasato Yokoi
Life of this patent
Estimating the term…
Abstract
A vehicle, such as a motorcycle, that includes an engine air intake arrangement with a variable length intake passage. The motorcycle includes an engine having an intake port. A fixed funnel delivers air to the intake port of the engine. A moveable funnel is positioned on the intake side of the fixed funnel and selectively cooperates with the fixed funnel to deliver air to the intake port of the engine. A parallel linkage moveably supports the moveable funnel relative to the fixed funnel. An air cleaner box, in which the fixed funnel and the moveable funnel are disposed, includes a protrusion at a portion that covers the moveable funnel and that prevents the occurrence of contact with the moveable funnel.
Claims19
A vehicle comprising:
- an engine having at least one intake port;
- a fixed funnel that delivers air to the intake port of the engine;
- a moveable funnel positioned on the inlet side of the fixed funnel and that selectively cooperates with the fixed funnel to deliver air to the intake port of the engine;
- a linkage that moveably supports the moveable funnel;
- and
- a case in which the fixed funnel and the moveable funnel are positioned, a portion of the case that covers the moveable funnel having a protrusion that defines a space sized and shaped to accommodate a portion of the moveable funnel such that contact between the case and the moveable funnel is prevented.
A vehicle comprising:
- an engine having at least one combustion chamber;
- an air intake arrangement associated with each of the combustion chambers and including an intake passage to deliver intake air to the combustion chamber, the air intake arrangement comprising at least one fixed funnel and at least one moveable funnel, the moveable funnel having a first position in which the moveable funnel is separated from the fixed funnel and a second position in which the moveable funnel and fixed funnel are coupled and cooperate to selectively vary a length of the intake passage;
- a linkage that moveably supports the moveable funnel;
- and
- an air cleaner box in which the fixed funnel and the moveable funnel are positioned, the air cleaner box having a generally planar wall portion adjacent the moveable funnel, the generally planar wall portion having at least one protrusion that defines a space sized and shaped to accommodate an upper end portion of the moveable funnel when the moveable funnel is in the second position.
Dependencies are inferred from the claim text.