[논문]엔진윤활용 가변 베인펌프의 수학적 모델 해석

딩광청; 안경관; 이재신

doi:10.7839/ksfc.2014.11.1.014

[국내논문] 엔진윤활용 가변 베인펌프의 수학적 모델 해석
Analysis of the Mathematical Model of a Variable Displacement Vane Pump for Engine Lubrication 원문보기

유공압건설기계학회지 = Journal of the Korean Society for Fluid Power and Construction Equipments, v.11 no.1, 2014년, pp.14 - 24

딩광청 (School of Mechanical Engineering, University of Ulsan) , 안경관 (School of Mechanical Engineering, University of Ulsan) , 이재신 (School of Materials Science and Engineering, University of Ulsan)

Abstract ▼ AI-Helper

Variable displacement vane-type oil pumps represent one of the most innovative pump types for industrial applications, especially for engine lubrication systems. This paper presents a complete and accurate mathematical model for a typical variable displacement vane-type oil pump. Firstly, its theoretical model is revised. Secondly, an analysis of power loss factors of this pump type is carefully investigated to optimize the modeling accuracy. Finally, the estimated pump performance using the complete pump model is verified by numerical simulations in comparison with the practical tests.

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문제 정의

This paper is to investigate carefully the power loss factors of the actual pump during its operation. It is based on the pump geometric and dynamic analyses, and its theoretical model developed by the authors in the previous work¹³⁾.

제안 방법

Most of the lost energy was due to the friction and leakage problems. The results point out that the complete model not only could show the theoretical pump flow rate but also could analyze well most of the power loss factors then, consequently, brings to the accurate estimation of actual pump flow.

대상 데이터

During the operation, the pump speed is ensured by the motor while the pump flow rate is adjusted by the fabricated actuator. The lubrication oil used for experiments was SAE 5W-20 series.

후속연구

¹¹⁾ investigated an electronic control variable displacement lubrication oil pump through a simple mathematical model. Although these studies bring some interesting results, a detailed analysis of the theoretical performance as well as a careful investigation on the power losses of a variable displacement vane‐ type oil pump in order to derive an accurate model based on practical experiments was not considered.

참고문헌 (13)

Rexroth variable displacement vanetype oil pump http://www.bosch Rexroth.com
Atos variable displacement vanetype oil pump http://www.atos.com
Scoda variable displacement vanetype oil pump http://www.scoda.it
Magna Powertrain Inc., Continuously variable displacement vane pump and system, Patent No.: WO 2007/128106 A1, 2007.
Magna Powertrain Inc., Variable Capacity vane pump with force reducing chamber on displacement ring, Patent No.: US 2009/0074598 A1, 2009.
Magna Powertrain Inc., Variable capacity vane pump with dual control chambers, Patent No.: US 7794217 B2, 2010.
D.R. Staley and B.K. Pryor, Pressure regulating variable displacement vane pump, Patent No.: US 7862306 B2, 2011.
A. Giuffrida and R. Lanzafame, "Cam shape and theoretical flow rate in balanced vane pumps," Mechanism and Machine Theory, Vol. 40, pp. 353-369, 2005.

상세보기
D.R. Staley, B.K. Pryor and K. Gilgenbach, "Adaptation of a Variable Displacement Vane Pump to Engine Lube Oil Applications," SAE Technical Paper 2007011567, pp. 19, 2007.
S. Loganathan, S. Govindarajan, J.S. Kumar, K. Vijayakumar and K. Srinivasan, "Design and Development of Vane Type Variable flow Oil Pump for Automotive Application," SAE Technical Paper 2011280102, pp. 1-7, 2011.
C. Kim, D.Q. Truong, N.T. Trung, K.K. Ahn, J.I. Yoon, J.S. Lee, H.S. Han and J.B. Kim, "Development of an Electronic Control Variable Displacement Lubrication Oil Pump," Proc. of the 15th International Conference on Mechatronics Technology, Melbourne, Australia, paper 65, 2011.
MyungHwa variable displacement vanetype oil pump http://www.myunghwa.com/
D.Q. Truong, K.K. Ahn, J.I. Yoon and J.S. Lee, "Development of a mathematic model for a variable displacement vane pump for engine oil," J. Korean Soc. Fluid Power Constr. Equip., vol. 9, no. 4, pp. 4251, 2012.

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