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US 4,733,639 AGranted
Air intake system
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsMikihiro Kohyama, Goroei Wakatsuki
Life of this patent
Estimating the term…
Abstract
An air intake system is combined with a power unit cooling system in a motor scooter. An air cleaner is disposed within the power unit casing and an outlet from the power unit is connected directly to the engine.
Claims7
A power unit having an engine with an air intake and a transmission, comprising:
- a power unit case enclosing the transmission and including an air collection chamber and a transmission chamber;
- a cleaner element in said power unit case between said air collection chamber and said transmission chamber;
- an air inlet to said power unit case;
- and
- an air outlet from said power unit case connected to the air intake of the engine, one of said air inlet and said air outlet being on one side of said cleaner element and the other of said air inlet and said air outlet being on the other side of said cleaner element.
2 more elements
A power unit comprising:
- a casing;
- means dividing said casing into a transmission chamber and an air collection chamber;
- means forming an opening to connect said chambers in fluid communication;
- an air inlet communicating with one of said chambers;
- an air outlet communicating with the other of said chambers;
- a transmission in said transmission chamber;
- an engine having an air intake connected to said air outlet;
- and
- means for conducting air supplied to said air inlet between said chambers and in heat transfer relation with said transmission prior to discharge from said air outlet into said engine air intake.
6 more elements
Dependencies are inferred from the claim text.