Air directing device for motorcycles

摘要

An air directing device for motorcycles with an engine air cleaner bottom housing. An external air plenum forms both an engine-air intake channel and a rearward cylinder cooling channel by coupling (e.g., directly attaching) the external air plenum to an air filter. The external air plenum defining a forward-facing inlet port and an engine-facing outlet port (disposed over a portion of the rearward cylinder) with the two channels in fluid communication with the inlet port.

主权项

1. An air directing device for a motorcycle including an engine having a forward cylinder, a rear cylinder disposed rearwardly of and in line with the forward cylinder, and an air cleaner assembly for intake air for the engine disposed laterally of and overlying outside portions of both of the cylinders, comprising:
an engine air cleaner housing bottom portion of the air cleaner assembly, said engine air cleaner housing bottom portion including a sidewall extending away from a base plate; an air filter coupled to said engine air cleaner housing bottom portion and providing an engine air inlet path through said air filter into the engine through said engine air cleaner housing bottom portion; and an external air plenum, coupled to said an engine air cleaner housing bottom portion and enclosing said air filter, said external air plenum defining a forward-facing inlet port, an engine-facing outlet port, and an air communication channel extending from said inlet port past said air filter to said outlet port; wherein an air intake channel extends from said inlet port into said air filter and then into one or more air communication structures coupled into the engine through said engine air cleaner housing bottom portion; and wherein said outlet port overlies an outside portion of the rear cylinder.