Gas exhaust and heat insulation plate

A technology of heat insulation board and exhaust pipe, which is applied to exhaust devices, mufflers, engine components, etc., can solve the problems of insufficient space, increased manufacturing cost, insufficient layout space, etc., and achieves compact and simple structure and low manufacturing cost. , good thermal insulation effect

Inactive Publication Date: 2012-02-01
FAW GROUP
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Problems solved by technology

[0003] The above two types of heat shields are currently commonly used types, but we often encounter this situation: due to insufficient layout space, a few or a single part is very close to the equidistant exhaust pipe, in order to prevent these parts from being heated, heat shields are needed To separate these parts from the exhaust pipe, the traditional method is: one is to wrap these parts with a heat shield, but the disadvantage of this method is that the required heat shield area is larg

Method used

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  • Gas exhaust and heat insulation plate
  • Gas exhaust and heat insulation plate
  • Gas exhaust and heat insulation plate

Examples

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[0010] The present invention will be further described below in conjunction with the drawings:

[0011] Exhaust heat insulation board, which is composed of an exhaust pipe 2 and a heat insulation board 1. It is characterized in that the heat insulation board 1 is installed on the exhaust pipe 2, and the heat insulation board 1 partially surrounds the circumference of the exhaust pipe 2 and heat insulation A gap is left between the plate 1 and the exhaust pipe 2.

[0012] Such as figure 1 with figure 2 As shown, during the development of the A130 project, for the situation where the hot end exhaust pipe 2 of the exhaust system and the transmission shaft protective cover are close and other parts are far away, such as figure 2 As shown, the heat insulation plate 1 is welded to the exhaust pipe 2. The heat insulation plate 1 does not wrap the entire exhaust pipe 2 but only wraps the part of the exhaust pipe 2 opposite to the protective sleeve of the drive shaft, and the heat insula...

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Abstract

The invention relates to a gas exhaust and heat insulation plate, which consists of a gas exhaust pipe and a heat insulation plate and is characterized in that: the heat insulation plate is arranged on the gas exhaust pipe, the heat insulation plate is partially surrounded at the circumference of the gas exhaust pipe, and a gap is reserved between the heat insulation plate and the gas exhaust pipe. The gas exhaust and heat insulation plate has the advantages of good heat insulation effect, small and exquisite and simple structure, space saving, arrangement flexibility, simple process, easiness in manufacturing, high reliability, low manufacturing cost, high economy, and the like.

Description

technical field [0001] The invention belongs to the technical field of exhaust heat insulation boards for automobiles, and in particular relates to a novel exhaust heat insulation board. Background technique [0002] At present, exhaust heat shields are roughly divided into two categories: one is fixed to the body floor and wraps the body floor; the other is to wrap the exhaust manifold, catalytic converter and exhaust pipe, and use To heat and insulate. [0003] The above two types of heat shields are currently commonly used types, but we often encounter this situation: due to insufficient layout space, a few or a single part is very close to the equidistant exhaust pipe, in order to prevent these parts from being heated, heat shields are needed To separate these parts from the exhaust pipe, the traditional method is: one is to wrap these parts with a heat shield, but the disadvantage of this method is that the required heat shield area is large, and the space itself is no...

Claims

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Application Information

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IPC IPC(8): F01N13/14
Inventor 赵红英谢晓峰贾春
Owner FAW GROUP
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