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Water pump for automobiles

A technology for water pumps and automobiles, applied to pumps, pump components, components of pumping devices for elastic fluids, etc., can solve problems such as poor passage, easy to generate noise, easy to corrode the surface, etc., achieve simple components and improve anti-corrosion Effect

Active Publication Date: 2015-07-15
河北唐京泥浆泵科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Except for the seal, all other components of this pump are mainly made of metal parts, which are heavy; the movement is prone to noise; The internal wall of the pump causes 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

[0046] 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,

[0047] It is characterized in that the chemical composition of the titanium alloy impeller body is (weight): Zn: 15%, Al: 5%, Mo: 2%, Si: 1%, Co: 0.8%, Cu: 0.4%, Fe: 0.2%, Cr: 0.1%, Zr: 0.05%, La: 0.03%, Ta: 0.03%, B: 0.01%, and the balance is Ti and unavoidable impurities;

[0048] 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: melting temperature: 1810°C, pouring temperature: 1750°C; Heating, hea...

Embodiment 2

[0061] 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,

[0062] It is characterized in that the chemical composition of the titanium alloy impeller body is (weight): Zn: 20%, Al: 10%, Mo: 3%, Si: 2%, Co: 0.9%, Cu: 0.5%, Fe: 0.3%, Cr: 0.2%, Zr: 0.08%, La: 0.04%, Ta: 0.04%, B: 0.02%, and the balance is Ti and unavoidable impurities;

[0063] 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 1820°C, and the pouring temperature is 1760°...

Embodiment 3

[0076] 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,

[0077] It is characterized in that the chemical composition of the titanium alloy impeller body is (weight): Zn: 17%, Al: 7%, Mo: 2.5%, Si: 1.5%, Co: 0.85%, Cu: 0.45%, Fe: 0.25%, Cr: 0.15%, Zr: 0.06%, La: 0.035%, Ta: 0.035%, B: 0.015%, and the balance is Ti and unavoidable impurities;

[0078] 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 1815°C, and the pouring temperatur...

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Abstract

The invention relates to a water pump for automobiles, which comprises a pump body and an impeller installed inside the pump body, wherein the impeller comprises a titanium alloy impeller body and a boron nitride ceramic material layer outside the impeller body; the pump body comprises a copper alloy pump body, a tungsten carbide ceramic material layer on the external surface of the pump body and a boron carbide ceramic material layer on the internal surface of the pump body; and the titanium alloy and copper alloy have simple components and can satisfy the strength requirements for the water pump. The titanium alloy and copper alloy are subjected to acid pickling and passivation surface treatment to avoid the problems of surface black spots and the like, thereby obtaining the clean surface.

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): C22C14/00C22C9/01C22F1/18C22F1/08F04D29/02C23G1/10C23C22/36C04B35/583C04B35/56
CPCC22C14/00C23C22/34C23C2222/20C23G1/106F04D29/026F05D2230/90
Inventor 张金荣
Owner 河北唐京泥浆泵科技有限公司
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