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Research on Working Characteristics of Hydraulic Lash Adjuster Based on AMESim
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Jian Chen1, 2, Jianliang Wu1, Jiazhong Ma1, Fei Yuan1, Bing Zhang2
Automotive Engineer | 2023, (1) : 38 - 43
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Automotive Engineer | 2023, (1): 38-43
Research on Working Characteristics of Hydraulic Lash Adjuster Based on AMESim
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Jian Chen1, 2, Jianliang Wu1, Jiazhong Ma1, Fei Yuan1, Bing Zhang2
Affiliations
  • 1 Jiangsu SUMEC Electromechanical Technology Co., Ltd., Nanjing 211599
  • 2 Jiangsu University, Zhenjiang 212013
Published: 2023-01-15 doi: 10.20104/j.cnki.1674-6546.20220014
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This paper introduced the composition and working principle of the valve train and hydraulic lash adjuster of the engine, and used AMESim software to build the hydraulic lash adjuster model. Given the input signal of the cam speed, the working path of the cam lift section was consistent with the changing trend of the force, displacement, overcurrent and pressure in the high-pressure chamber of the hydraulic lash adjuster, thus verifying the correctness of the model. The paper also analyzed the influence of oil gas content, dead zone volume of high pressure chamber, oil temperature and oil grade on the working characteristics of hydraulic lash adjuster. The results show that the valve displacement decreases with the increase of oil gas content; the dead zone volume of high pressure chamber decreases, and the follow-up response of valve displacement improves; with the increase of oil temperature, the viscosity of oil decreases and the leakage increases, which leads to the decrease of valve displacement; with the increase of the high temperature kinematic viscosity of the engine oil, the corresponding kinematic viscosity grade will increase and the oil leakage will decrease.

Hydraulic lash adjuster  /  AMESim  /  Working characteristics  /  Valve displacement
Jian Chen, Jianliang Wu, Jiazhong Ma, Fei Yuan, Bing Zhang. Research on Working Characteristics of Hydraulic Lash Adjuster Based on AMESim[J]. Automotive Engineer, 2023 , (1) : 38 -43 . DOI: 10.20104/j.cnki.1674-6546.20220014
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doi: 10.20104/j.cnki.1674-6546.20220014
  • Online Date：2025-11-25
  • Published：2023-01-15
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  • Revised：2022-10-11
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    1 Jiangsu SUMEC Electromechanical Technology Co., Ltd., Nanjing 211599
    2 Jiangsu University, Zhenjiang 212013
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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