US 8,133,292 B2 · Air cleaner assembly for a small V-type engine, engine incorporating same, and motorcycle incorporating same

Abstract

An air cleaner for a V-type internal combustion engine includes a filter housing with introduction ports formed in both left and right lateral walls communicating with respective air intake ducts and a pair of cleaner elements fixedly disposed in the filter housing to partition the inside thereof into an upper unfiltered air chamber communicating with both the introduction ports and a filtered air chamber disposed below the unfiltered air chamber. The cleaner elements are disposed on both sides of a vertical plane passing through a vehicle body centerline, extend forward and rearward of the air introduction ports, and are inclined to be gradually lowered as they extend away from the vertical plane to face the respective air introduction ports.

Claims20

Dependent claims

An air cleaner structure for a small V-type engine in which an engine main body having a front bank and a rear bank V-shaped in a back and forth direction of a body frame is mounted on the body frame, and a pair of left and right extending air intake ducts opening forward are respectively connected to both left and right sides of a single air cleaner shared by the front and rear banks, comprising:

a filter housing having an introduction port formed in each of the left and right lateral walls, each introduction port communicating with respective air intake ducts;
and,
a pair of cleaner elements fixedly disposed in the filter housing partitioning the inside of the filter housing into an upper unfiltered air chamber communicating with both of the introduction ports, and a filtered air chamber disposed below the unfiltered air chamber and shared by the front and rear banks;
wherein
the cleaner elements are adapted to be disposed on opposing sides of a vehicle body centerline, extend forwardly and rearwardly of the air introduction ports, and are inclined to be gradually lowered as the cleaner elements extend away from the vehicle body centerline to face respective air introduction ports.

2 more elements

A V-type engine comprising an engine main body having a front bank and a rear bank cooperating to form a V-shape extending in a longitudinal direction of a body frame, and a single air cleaner shared by the front and rear banks, said air cleaner comprising:

a filter housing having an introduction port formed in each of the left and right lateral walls, each introduction port communicating with respective air intake ducts;
and,
a pair of cleaner elements fixedly disposed in the filter housing partitioning the inside of the filter housing into an upper unfiltered air chamber communicating with both the introduction ports and a filtered air chamber disposed below the unfiltered air chamber and shared by the front and rear banks;
wherein the cleaner elements are disposed on opposing sides of a vehicle body centerline, extending forward and rearward, the air introduction ports and are inclined to be gradually lowered as the cleaner elements are away from the vehicle body centerline to face respective air introduction ports;
and said left and right extending air intake ducts are respectively connected to left and right sides of said filter housing.

2 more elements

Dependencies are inferred from the claim text.

Air cleaner assembly for a small V-type engine, engine incorporating same, and motorcycle incorporating same

Life of this patent

Air cleaner assembly for a small V-type engine, engine incorporating same, and motorcycle incorporating same

Life of this patent

Abstract

Claims20