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an exhaust system

A technology of exhaust system and exhaust manifold, which is applied in the direction of exhaust devices, machines/engines, mechanical equipment, etc., which can solve the problem of non-adjustable, fixed exhaust flow area that cannot be adjusted, and that cannot better meet the diameter of the engine. and flow cross-sectional area to achieve the effect of improving power and economy, reasonable design and simple structure

Active Publication Date: 2019-02-01
广西玉柴船电动力有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing diesel engine exhaust systems usually use exhaust manifold headers with a single pipe structure. Usually, the pipe diameter and flow cross-sectional area of ​​the exhaust manifold headers are fixed, and the volume of the header pipes is fixed and cannot be adjusted. The air flow area is fixed and cannot be adjusted. The fixed exhaust manifold pipe diameter and exhaust flow flow area cannot better meet the requirements of the engine on the pipe diameter and flow cross-sectional area of ​​the exhaust manifold pipe under different working conditions. demand, which in turn will affect the power and economy of the engine

Method used

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Embodiment 1

[0027] refer to Figure 1-3 , 6. In this embodiment, the two ends of the baffle plate 6 are respectively in contact with the partition plate 4 and cover the communication port 5, and the baffle plate 6 rotates to the bottom to completely close the communication port 5. The channel 2 communicates with the lower channel 3, and the effective pipe diameter and flow area of ​​the exhaust manifold 1 are the smallest, matching the effective pipe diameter and flow area of ​​the exhaust manifold 1 with small engine demand.

Embodiment 2

[0029] refer to figure 1 , 2 , 4, 6. In this embodiment, one end of the baffle 6 is in contact with the partition 4, and the other end is in contact with the top wall of the exhaust manifold 1. The baffle 6 rotates to the middle to separate the upper channel 2 into left and right two. Among them, the larger part communicates with the lower passage 3, and the effective pipe diameter and flow area of ​​the exhaust manifold 1 are increased to match the effective pipe diameter and flow area of ​​the exhaust manifold 1 with greater engine demand.

Embodiment 3

[0031] refer to figure 1 , 2 , 5, 6, in this embodiment, the baffle 6 is in contact with the top wall of the exhaust manifold 1, and the two ends of the baffle 6 are located above the partition 4, the baffle 6 rotates to the top, and the entire upper channel 2 communicates with the lower channel 3, and the exhaust manifold 1 has the largest effective pipe diameter and flow area, which matches the effective pipe diameter and flow area of ​​the exhaust manifold 1 which has the largest engine demand.

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Abstract

The invention discloses an exhaust system. The exhaust system comprises an exhaust manifold. A partition plate which divides an air flow channel into an upper channel and a lower channel is arranged in the exhaust manifold; a communicating port which communicates the two is formed between the upper channel and the lower channel; a baffle plate which is inserted into an inner cavity of the exhaustmanifold and can rotate relative to the partition plate to close or open the communicating port is also arranged on the exhaust manifold; and an electronic executor which can be connected to an ECU controller of an engine and drives the baffle plate to rotate is arranged on the exhaust manifold. The exhaust system disclosed by the invention is simple in structure. The exhaust system can switch three effective exhaust manifolds and a circulating section of a main exhaust manifold according to the operating working condition of the engine to meet the demand of the engine on the pipe diameter ofthe main exhaust manifold in different working conditions, so that the exhaust manifold and the economical benefit of the engine are enhanced effectively.

Description

technical field [0001] The invention relates to the technical field of engine exhaust, more specifically, it relates to an exhaust system. Background technique [0002] Existing diesel engine exhaust systems usually use exhaust manifold headers with a single pipe structure. Usually, the pipe diameter specifications and flow cross-sectional area of ​​the exhaust manifold headers are fixed, and the volume of the header pipes is fixed and cannot be adjusted. The air flow area is fixed and cannot be adjusted. The fixed exhaust manifold pipe diameter and exhaust flow flow area cannot better meet the requirements of the engine on the pipe diameter and flow cross-sectional area of ​​the exhaust manifold pipe under different working conditions. demand, which in turn will affect the power and economy of the engine. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an exhaust system with simple structure and strong practica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N13/10
CPCF01N13/10
Inventor 唐克远李伟刘文元曾黎
Owner 广西玉柴船电动力有限公司