Anti-corrosion, anti-abrasion, high-temperature-resistant, anti-scaling, low-cost and high-cleanliness water pump for automobile

A technology for water pumps and automobiles, which is applied to parts, pumps, and pump components of pumping devices for elastic fluids. It can solve problems such as easy noise, poor passage, and complicated processing technology, and achieves improved anti-corrosion and simple components. Effect

Inactive Publication Date: 2016-07-13
张金荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Except for the seals, all other components of this pump are mainly made of metal parts, which are heavy; the movement is prone to noise; the surface is easy to corrode; the processing technology is complicated, and the multiple positioning makes the geometric shape accuracy low, poor cleanliness, and rough The inner wall of the pump is too large, resulting in a large liquid resistance, poor passage, and unstable flow control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A water pump for automobiles, which includes a pump body and an impeller installed inside the pump body, the impeller includes a titanium alloy impeller body and a boron nitride ceramic material layer outside the impeller body; the pump body includes: a copper alloy pump body , The tungsten carbide-based ceramic material layer on the outer surface of the pump and the boron carbide-based ceramic material layer on the inner surface of the pump,

[0024] It is characterized in that the chemical composition of the titanium alloy impeller body is (weight): Zn: 19%, Al: 9%, Mo: 2.8%, Si: 1.7%, Co: 0.89%, Cu: 0.48%, Fe: 0.27%, Cr: 0.18%, Zr: 0.078%, La: 0.039%, Ta: 0.036%, B: 0.017%, and the balance is Ti and unavoidable impurities;

[0025] The preparation method of the titanium alloy impeller body includes the following steps: preparing the alloy according to the above ratio, melting and pouring the alloy material: the melting temperature is 1819°C, and the pouring temperatu...

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PUM

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Abstract

A water pump for an automobile comprises a pump body and an impeller installed in the pump body.The pump body comprises a copper alloy pump main body, a tungsten carbide ceramic material layer on the outer surface of the pump main body, and a boron carbide ceramic material layer on the inner surface of the pump main body.The impeller comprises a titanium alloy impeller body and a boron nitride ceramic material layer.The surface of titanium and the surface of copper alloy are coated with ceramic materials, and corrosion resistance, abrasion resistance and high temperature resistance of the materials are improved.

Description

technical field [0001] The invention relates to an automobile water pump, which belongs to the technical field of vehicle machinery. Background technique [0002] Automobile water pump is an important part of automobile, it is based on traditional vane pump technology. Except for the seals, all other components of this pump are mainly made of metal parts, which are heavy; the movement is prone to noise; the surface is easy to corrode; the processing technology is complicated, and the multiple positioning makes the geometric shape accuracy low, poor cleanliness, and rough The internal wall of the pump causes large liquid resistance, poor passage, and unstable flow control. Contents of the invention [0003] The present invention proposes an anti-corrosion, wear-resistant, high-temperature-resistant, anti-scaling, high-efficiency, low-cost, high-cleanliness automotive water pump aimed at the above problems: [0004] A water pump for automobiles, which includes a pump body ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/22C22C14/00C22F1/18C23G1/10C23C22/44C22C9/01C22C1/02C23C30/00C04B35/56C04B35/563
CPCF04D29/2294C04B35/5626C04B35/563C04B2235/3826C04B2235/3839C04B2235/3843C04B2235/3886C22C1/02C22C9/01C22C14/00C22F1/183C23C22/44C23C30/00C23G1/106F04D29/2227
Inventor 张金荣
Owner 张金荣
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