Applicable to the test device and measurement method for engine oil jet hitting the wall and splashing

A test device and engine oil technology, applied in the direction of internal combustion engine testing, etc., can solve the problems of low flexibility, increased cost, complex structure, etc., and achieve the effect of high flexibility, low cost, and simple structure

Inactive Publication Date: 2018-11-30
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method belongs to external treatment, which cannot reduce the oil mist concentration in the crankcase from the source, and will increase the cost, resulting in complex structure and low flexibility

Method used

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  • Applicable to the test device and measurement method for engine oil jet hitting the wall and splashing
  • Applicable to the test device and measurement method for engine oil jet hitting the wall and splashing

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0026] see figure 1 and figure 2 , the preferred embodiment of the present invention provides a test device suitable for wall splashing of engine oil injection, which is used to simulate the phenomenon of wall splashing of engine oil beams inside the crankcase of an internal combustion engine, and to evaluate the adsorption performance of oil mist on different solid wall surfaces, and further ...

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Abstract

The invention discloses a machine oil injection hit-wall splash test device comprising the following units: an adjustable oil supply system used for pressurizing the machine oil and injecting the machine oil; a splash machine oil collect cover with an opening; a test piece mount table; a diversion plate with one end connected with the side wall of side opening; an attached machine oil collect tank; and a first electron scale and a second electron scale respectively used for bearing the attached machine oil collect tank and the splash machine oil collect cover. The diversion plate and the splash machine oil collect cover form an acute angle; the test piece mount table is adjacent to the opening and used for fixedly connecting with a tested plate; a preset gap is formed between the bottom of the tested plate and the diversion plate; the first electron scale and the second electron scale are respectively used for weighting the mass of the machine oil collected by the attached machine oil collect tank and the mass of the machine oil collected by splash machine oil collect cover. The invention also relates to a machine oil injection hit-wall splash measuring method.

Description

technical field [0001] The invention belongs to the technical field related to internal combustion engines, and more specifically relates to a test device and a measurement method suitable for wall splashing of engine oil injection. Background technique [0002] During the operation of the internal combustion engine, under the rapid agitation of moving parts such as the crankshaft and connecting rod, there will be severe oil splashing inside the crankcase, which will generate high-speed flying oil jets. When these oil beams hit the inner wall of the crankcase or other solid surfaces, a large number of oil droplets will be splashed and dispersed to the entire crankcase cavity to form oil mist. The oil mist concentration in the crankcase is too high, which will accelerate the foaming and oxidation process of the oil, and weaken the lubricating effect of the oil. In addition, excessive oil mist concentration will also increase the burden on the oil-gas separator, resulting in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M15/04
CPCG01M15/04
Inventor 黄荣华李进周培徐昆朋代辉陈琳马寅杰黄胜
Owner HUAZHONG UNIV OF SCI & TECH
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