Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Preparation method of water-based magneto rheological hydraulic transmission medium

A hydraulic transmission and magnetorheological technology, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of poor anti-rust performance, weak metal surface wear resistance, etc., to improve the anti-rust performance, prevent settlement and agglomeration, The effect of less leakage

Inactive Publication Date: 2011-05-04
KUNMING UNIV OF SCI & TECH
View PDF5 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention patent "a stable water-based magnetorheological fluid and its preparation method" (publication number CN19599871A) uses a compound base fluid to improve the oxidation resistance and anti-settling properties of the magnetorheological fluid, although the additive There are anti-wear additives in it, but the magnetorheological fluid prepared by this method has weak anti-wear properties on metal surfaces and poor anti-rust performance, so it is not suitable as a hydraulic transmission medium
Invention patent "a water-based magnetic fluid material and its preparation method" (publication number CN101136277A), using sucrose as a surfactant, a stable water-based magnetic fluid is prepared by chemical coprecipitation method, and the magnetorheological fluid prepared by this method is also Not suitable as a hydraulic transmission medium

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment one: with 38gFe 3 o 4 Mix with 55g of water, stir at room temperature for 4 hours, stirring speed 150r / min, to obtain a primary suspension; add 1g of polyethylene glycol to the primary suspension, stir and mix for 30 minutes at room temperature, stirring speed 150r / min, Obtain secondary suspension; 1g montmorillonite is added in secondary suspension, stir and mix 30 minutes under greenhouse, stirring speed 150r / min, obtain three suspensions; 1.5g sodium benzoate is joined in three suspensions, Stir and mix at room temperature for 15 minutes at a stirring speed of 150r / min to obtain four suspensions; mix 2.5gTiO 2 Add the granules to the four suspensions, stir and mix at room temperature for 15 minutes at a stirring speed of 150r / min to obtain five suspensions; add 1g of dodecenylsuccinic acid to the five suspensions, and stir at room temperature Mix for 30 minutes at a stirring speed of 150r / min to obtain a water-based magnetorheological hydraulic transmiss...

Embodiment 2

[0027] Embodiment two: with 30gFe 3 o 4 Mix with 60g of water, stir at room temperature for 4 hours, stirring speed 150r / min, to obtain a primary suspension; add 1.5g sodium gluconate to the primary suspension, stir and mix for 30 minutes at room temperature, stirring speed 150r / min, Obtain a secondary suspension; add 1.5g of methylcellulose to the secondary suspension, stir and mix at room temperature for 30 minutes at a stirring speed of 150r / min to obtain a tertiary suspension; add 2g of sodium nitrite to the tertiary suspension , stirred and mixed at room temperature for 15 minutes at a stirring speed of 150r / min to obtain four suspensions; 3gTiO 2 Add the particles into the four suspensions, stir and mix at room temperature for 15 minutes at a stirring speed of 150r / min to obtain five suspensions; add 2g of dodecenylsuccinic acid to the five suspensions, stir and mix at room temperature 30 minutes, stirring speed 150r / min, obtain water-based magnetorheological hydraulic...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a preparation method of a water-based magneto rheological hydraulic transmission medium, comprising: proportioning 55-70% of deionized soft water, 29-45% of magnetic particle and 1-10% of additive; successively adding; and mixing and stirring to obtain the water-based magneto rheological hydraulic transmission medium. The medium has good stability and inoxidizability and can greatly improve the abrasion resistance and the rust protection of a hydraulic system working medium.

Description

1. Technical field [0001] The invention relates to a method for preparing a water-based magnetorheological hydraulic transmission medium, which belongs to the technical field of chemical preparation. 2. Background technology [0002] Magneto-rheological fluid is a smart material with special properties that unifies magnetism and liquid fluidity. Under the action of an external magnetic field, it can instantly (milliseconds) change from a free-flowing liquid state to a semi-solid state. , showing a controllable yield strength, and this change is continuous and reversible. It is widely used in the fields of biomedicine, aerospace, large-scale civil engineering, machining, automotive engineering and mechatronics. [0003] In the literature related to water-based magnetorheological fluids that have been reported so far, water-based magnetorheological fluids are mainly used in chemical industry, medical treatment, etc., and there is no report on using water-based magnetorheologi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C10M173/02C10N40/14C10N40/08C10N30/06C10N30/12
Inventor 吴张永李纶张自华王娴莫子勇贾伟亮王娟温成卓王庆辉吴喜
Owner KUNMING UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com