| 转子式机油泵的椭圆与类椭圆齿廓修形方案分析 |
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| 引用本文： | 霍鹏光,龚金科,蔡皓.转子式机油泵的椭圆与类椭圆齿廓修形方案分析[J].中国机械工程,2018,29(3):320. |
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| 作者姓名： | 霍鹏光 龚金科 蔡皓 |
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| 作者单位： | 1.湖南大学汽车车身先进设计制造国家重点实验室，长沙，410082
2.湖南省机油泵股份有限公司，衡东,421400 |
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| 基金项目： | 湖南省自然科学省市联合基金资助项目(12JJ9015)
The Joint Funds of Hunan Provincial Natural Science Foundation of China （No. 12JJ9015） |
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| 摘 要： | 针对当前椭圆齿廓转子机油泵存在的不足，设计了一种新型类椭圆齿廓转子，包括相互啮合的内转子和外转子。同时对椭圆和类椭圆修形后的机油泵进行了流量性能、液力矩以及多体动力学对比分析。应用类椭圆转子的机油泵可在不改变原有泵体设计的基础上进行改型，以减少改型的费用,同时在提高机油泵低速时流量的基础上，减小了内转子上由油液产生的扭矩，从而提高了转子泵的流量性能,降低了磨损并节省能源。
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| 关 键 词： | 机油泵 转子 修形方案 类椭圆齿廓 |
Analysis of Ellipse and Similar Ellipse Tooth Profile Modification Scheme of Rotor Oil Pump |
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| HUO Pengguang,GONG Jinke,CAI Hao.Analysis of Ellipse and Similar Ellipse Tooth Profile Modification Scheme of Rotor Oil Pump[J].China Mechanical Engineering,2018,29(3):320. |
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| Authors: | HUO Pengguang GONG Jinke CAI Hao |
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| Affiliation: | 1.State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,Hunan University, Changsha,410082
2.Hunan Oil Pump Company, Hengdong, Hunan,421400 |
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| Abstract: | A new kind of similar elliptic rotor tooth profile was designed to solve the problems of current oil pumps with elliptical profile rotor, including the inner rotor and outer rotor meshing with each other. At the same time, the flow performance analysis, liquid moment analysis and multibody dynamics analysis were compared with elliptic profile and similar elliptic profile. Applications of oil pump with similar elliptical may reduce the costs of modifications without changing the original design of the pump bodies. It also may reduce torques generated by oil on inner rotors on the basis of improving the oil pump flows at low speeds. The similar elliptic profile improves the rotor pump flow performance and reduces abrasion and saves energy. |
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| Keywords: | oil pump rotor modification scheme similar elliptic tooth profile |
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