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Anti-freezing engine fuel pipe

A fuel pipe and engine technology, applied in engine components, machines/engines, mechanical equipment, etc., can solve problems such as the inability to ensure the normal operation of vehicles, and achieve the effect of avoiding wax clogging.

Inactive Publication Date: 2017-05-10
HENAN SHAOLIN BUS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even if the graded oil in cold areas is added, sudden changes in the weather cannot guarantee the normal operation of the vehicle

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] as attached figure 1 As shown, this embodiment relates to a kind of antifreeze engine fuel pipe, including oil return pipe and oil inlet pipe, wherein the oil return pipe and oil inlet pipe are made of copper, and the oil return pipe and oil inlet pipe are connected together by welding to form 8 A figure-shaped pipeline; in the 8-shaped pipeline, the oil inlet pipe is located above the oil return pipe; the two ends of the oil inlet pipe and the oil return pipe are connected together by a flexible hose.

Embodiment 2

[0019] This embodiment relates to an antifreeze engine fuel pipe, including a fuel return pipe and an oil inlet pipe, wherein the oil return pipe and the fuel inlet pipe are made of copper, and the oil return pipe and the fuel inlet pipe are connected together by welding to form an 8-shaped pipe Road; in the 8-shaped pipeline, the oil inlet pipe is located above the oil return pipe; the two ends of the oil inlet pipe and the oil return pipe are connected together by a flexible hose. The oil return pipe and the oil inlet pipe are made of copper alloy, and the copper alloy includes: 1.2wt% Mg, 1.2wt% Mn and the balance copper.

Embodiment 3

[0021] This embodiment relates to an antifreeze engine fuel pipe, including a fuel return pipe and an oil inlet pipe, wherein the oil return pipe and the fuel inlet pipe are made of copper, and the oil return pipe and the fuel inlet pipe are connected together by welding to form an 8-shaped pipe Road; in the 8-shaped pipeline, the oil inlet pipe is located above the oil return pipe; the two ends of the oil inlet pipe and the oil return pipe are connected together by a flexible hose. The oil return pipe and the oil inlet pipe are made of copper alloy, and the copper alloy includes: 1.75wt% Mg, 0.5wt% Mn and the balance copper.

[0022] In the antifreeze engine fuel pipe of the present invention, the oil return pipe and the oil inlet pipe are reliably welded together, and the oil return pipe can play the role of preheating and heat preservation for the oil inlet pipe, thereby avoiding the wax deposition and blockage of the oil inlet pipe.

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Abstract

The invention relates to an anti-freezing engine fuel pipe. The anti-freezing engine fuel pipe comprises an oil return pipe and an oil inlet pipe, and is characterized in that the oil return pipe and the oil inlet pipe are made of copper or copper alloys; and the oil return pipe and the oil inlet pipe are connected through welding to form an 8-shaped pipeline. In the anti-freezing engine fuel pipe, the oil return pipe and the oil inlet pipe are reliably welded; and the oil return pipe can achieve the preheating and insulation effects on the oil inlet pipe to prevent the paraffin precipitation blockage of the oil inlet pipe.

Description

technical field [0001] The invention relates to the technical field of automobile engine accessories, more specifically, the invention relates to an antifreeze type engine fuel pipe. Background technique [0002] Internal combustion engines working in low temperature environments need to use low temperature resistant fuels. For example, when the ambient temperature of the diesel engine is close to zero, it is necessary to replace -10 gasoline; when the temperature is close to -10 degrees, it is necessary to replace -20 diesel; when the temperature is close to -20 degrees, it is necessary to replace -35 diesel. In addition, our country has a vast territory, and the temperature difference between the north and the south is large, and vehicles that are normally running often automatically turn off midway. This is usually due to a sudden change in temperature, which leads to wax deposition in the oil circuit, blocking the oil inlet and return pipelines, and causing the engine t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M37/00F02M31/16C22C9/00C22C9/05
CPCF02M37/0052C22C9/00C22C9/05F02M31/16F02M37/0011
Inventor 李恒乔俊峰荆保锋宋东虹
Owner HENAN SHAOLIN BUS
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