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Automobile air compressor aluminum cylinder block

An air compressor, cylinder block technology, applied in mechanical equipment, machines/engines, liquid variable volume machinery, etc. Good high temperature oxidation resistance and long service life

Inactive Publication Date: 2008-12-31
LONGKOU DACHUAN PISTON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The material of the cylinder body used in the existing automobile air compressor is cast iron, and the piston material matched with it is cast aluminum. Because the expansion coefficients of the two materials are different, the gap between the cylinders is small, and the cylinder is easy to lock at high speeds; When the cylinder matching clearance is large, it is easy to blow gas and oil at low speed

Method used

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  • Automobile air compressor aluminum cylinder block

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Embodiment Construction

[0009] Referring to the accompanying drawings, an aluminum cylinder body of an automobile air compressor is provided with a composite nanomaterial layer 2 on the surface of the inner hole of the aluminum cylinder body 1 . The composition of the composite nanomaterial layer 2 is Ni and SiC with a particle size of 40-60nm, and is plated on the surface of the inner hole of the cylinder through a composite process of electroless plating and electroplating, and the thickness of the coating is 0.05-0.15mm.

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Abstract

The invention relates to a component of a vehicle air compressor, in particular to an aluminum cylinder body of a vehicle air compressor. The aluminum cylinder body is characterized in that an inner hole surface of the aluminum cylinder is provided with a compound millimicron material coating with the ingredient being Ni and SiC of 40 to 60 nm granularity. Therefore, the aluminum cylinder body has the advantages of gas blowby resistance and oil pumping resistance of the compressor, abrasion resistance, corrosion resistance, good high-temperature oxidation resistance and long service life.

Description

Technical field: [0001] The invention belongs to parts of an automobile air compressor, in particular to an aluminum cylinder body of an automobile air compressor. Background technique: [0002] The material of the cylinder block used in the existing automobile air compressor is cast iron, and the piston material matched with it is cast aluminum. Because the expansion coefficients of the two materials are different, the gap between the cylinders is small, and the cylinder is easy to lock at high speeds; When the gap between the cylinders is large, it is easy to blow gas and oil at low speed. This problem has always been a difficult problem for the air compressor industry to solve. Invention content: [0003] The object of the present invention is to provide an aluminum cylinder body of an automobile air compressor that does not blow gas or oil, has good wear resistance, corrosion resistance, high temperature oxidation resistance, and long service life. [0004] The techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/12
Inventor 郑德本
Owner LONGKOU DACHUAN PISTON
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