Drain structure of air cleaner for motorcycle

An air filter and motorcycle technology, which is applied in the directions of fuel air filter, vehicle parts, and power plant gas intake, etc., can solve the problem of poor design freedom of motorcycle shell, increase of production cost, and flexibility of control. and reduce the lightness and other issues, to achieve the effect of better design freedom, lower production costs, and fewer assembly operations
CN101570133BActive Publication Date: 2012-10-31YAMAHA MOTOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YAMAHA MOTOR CO LTD
Publication Date
2012-10-31

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Abstract

The invention relates to a drain structure of an air cleaner for a motorcycle, which utilizes the shape of an outer cover of the air cleaner to form a gradient structure with different heights so as to induce water sprayed to the outer cover, change the flow direction of the cover and avoid the problems that a great deal of water flows to a position near an air entry and is absorbed into the air cleaner, so that air amount needed by an engine can not be provided, the performance of the engine is reduced or the engine is extinguished due to the blockage of filter medium in the air cleaner caused by water or mud and sand carried by the water. The drain structure of the air cleaner for the motorcycle is arranged on the outer cover of the air cleaner for the motorcycle and used for reducing water absorbed into the air cleaner. The drain structure is characterized in that a gradient drain tank is arranged along the outer cover from the upper edge of the outer cover above the air entry of the air cleaner for the motorcycle; in two sides of the drain tank, the lower side is ridgier than the upper side; and the drain tank inclines towards the rear lower part and extends to the rear part ofthe air entry.
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Description

technical field

[0001] The invention relates to a drainage structure for reducing water intrusion into an air filter of a motorcycle, in particular to a drainage structure formed by an air filter housing body. Background technique

[0002] For various known motorcycles, in order to reduce the chance of water being sucked into the air inlet of the air filter, some motorcycle air filters use rubber hoses to extend the air inlet to an anhydrous place; or In addition, the drainage structure A of the air filter 21 for some motorcycles is as follows: Figure 5 and Image 6 As shown, although baffles 23 and ribs 24 are respectively arranged on the periphery and the rear of the air inlet 22, it is used to reduce the chance of the water sprayed on the outer cover surface of the air filter 21 flowing to the air inlet 22, But the structure of baffle plate 23 and rib 24 can destroy the attractive in appearance of original motorcycle, reduce the consumer's willingness to buy, and its pr...

Claims

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