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Gas supplementing structure of motorcycle engine

A technology for engines and motorcycles, which is applied in the direction of engine components, machines/engines, exhaust devices, etc., can solve the problems of secondary purification and leakage of exhaust gas, and achieve the effects of avoiding exhaust gas leakage, improving purification effect, and reducing emissions

Pending Publication Date: 2021-03-02
ZHEJIANG QIANJIANG MOTORCYCLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the above-mentioned problems in the existing technology, and propose an air supply structure for motorcycle engines to solve the problem of direct leakage of existing motorcycles when performing secondary purification of exhaust gas

Method used

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  • Gas supplementing structure of motorcycle engine
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  • Gas supplementing structure of motorcycle engine

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Embodiment Construction

[0028] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0029] Such as Figure 1 to Figure 5 Shown, a kind of gas supplement structure of motorcycle engine, motorcycle engine comprises cylinder head 1, has exhaust channel 2 in cylinder head 1, and the inner end of this exhaust channel 2 communicates with combustion chamber, and outer end is used for connecting Exhaust pipe, the inner end of the exhaust passage 2 is located on the bottom surface of the cylinder head 1, and the outer end is located on the side wall, so the exhaust passage 2 is arranged in an arc shape as a whole, and the outer end is higher than the inner end. Down to the air supply channel 3 opened on the cylinder head 1, the cylinder head 1 has a top surface for matching with the cylinder head, and the cylinder head ...

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Abstract

The invention provides a gas supplementing structure of a motorcycle engine, and belongs to the technical field of motorcycles. The problem that direct leakage exists when secondary purification is conducted on tail gas of an existing motorcycle is solved. According to the gas supplementing structure of the motorcycle engine, the engine comprises a cylinder head with exhaust passageways, the gas supplementing structure comprises gas supplementing passageways formed in the cylinder head from top to bottom, the upper ends of the gas supplementing passageways communicate with the outer portion, the lower ends of the gas supplementing passageways incline towards the inner ends of the exhaust passageways, and lower end ports of the gas supplementing passageways penetrate to the top walls of theexhaust passageways. A flow guide protruding part protruding downwards is arranged on the top wall of each exhaust passageway, located between the lower end port of the corresponding gas supplementing passageway and the inner end port of the corresponding exhaust passageway and close to the edge of the lower end port of the corresponding gas supplementing passageway, and the flow guide protrudingparts are lower than the lower end ports of the gas supplementing passageways. By means of the gas supplementing structure of the motorcycle engine, the situation that due to the fact that waste gasis directly exhausted from the gas supplementing passageways, waste gas leakage is caused can be avoided.

Description

technical field [0001] The invention belongs to the technical field of motorcycles, and relates to an air supply structure for a motorcycle engine. Background technique [0002] The motorcycle engine includes a cylinder head, a cylinder head fixed on the top surface of the cylinder head, and a cylinder block fixed on the bottom surface of the cylinder head. A combustion chamber is arranged in the cylinder body, and a piston is arranged in the combustion chamber. The crankshaft runs, and the cylinder head is provided with an intake passage and an exhaust passage connected to the top of the combustion chamber, and valves are provided at the intake passage and exhaust passage, and a camshaft and a rocker shaft are also provided in the cylinder head , There is a rocker arm on the rocker shaft, one end of the rocker arm is against the cam on the camshaft, and the other end is against the top of the valve, the rotation of the camshaft drives the rocker arm to swing, and then drive...

Claims

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Application Information

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IPC IPC(8): F01N3/30F01N13/00F01N13/08
CPCF01N3/30F01N13/00F01N13/082
Inventor 邓定红张立成蔡良正程雪君李良周鹏博
Owner ZHEJIANG QIANJIANG MOTORCYCLE
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