Design and Development of Vane Type Variable flow Oil Pump for Automotive Application

Loganathan, S.; Govindarajan, S.; Kumar, Jitendra; Vijayakumar, K.; Srinivasan, Koottalai

doi:10.4271/2011-28-0102

Cited by 15 publications

(13 citation statements)

References 4 publications

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“…The use of active systems with a variable displacement pump offers possibilities for avoiding these energy losses by matching oil pump flow Q T to engine requirements Q eng and avoiding the use of a pressure relief valve. 3,4 Recent production engines have included such devices to exploit these benefits; however, to the authors’ knowledge, there are no detailed studies of the impacts on engine behaviour. 5–8 The work presented in this article aims to capture these impacts on the thermal state and quantify the performance benefits in terms of FC and emissions.…”

Section: Introductionmentioning

confidence: 99%

Investigation into the benefits of reduced oil flows in internal combustion engines

Burke

Brace

Stark

et al. 2014

International Journal of Engine Research

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The engine lubrication system is a vital element for engine health but causes a parasitic load on the engine which increases the fuel consumption: this load can be reduced by matching the oil flow to lubricating requirements using a variable displacement oil pump (VDOP). In a first stage, two VDOPs were installed on a 2.4L Diesel engine; experiments over the New European Drive cycle (NEDC) showed reductions in fuel consumption of up to 3.4% and up to 5.8% over the urban phase of the cycle. A VDOP was subsequently installed on an instrumented engine capturing over 100 metal and fluid temperatures within the engine structure. This showed that reducing oil flows resulted in lower oil temperature by up to 4 o C during cold start NEDC but 2 hotter cylinder liner temperatures by up to 6 o C. The higher cylinder wall temperatures caused an increase of 3% in NOx emissions but a reduction of 3-5% in CO and Hydrocarbon emissions. Finally an energy flow analysis showed that the VDOP can reduce oil pump energy consumption by 160kJ (32%) but that this led to a 400kJ reduction in friction and accessory work. These findings highlight the need for a systems-level rather than a component-level approach to engine lubrication design to capture key thermal interactions.

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Section: Introductionmentioning

confidence: 99%

Investigation into the benefits of reduced oil flows in internal combustion engines

Burke

Brace

Stark

et al. 2014

International Journal of Engine Research

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show abstract

“…As a result, a significant amount of the energy used to pressurize the lubricating oil is exhausted through the relief valve. 1,2 Subsequently, a potential trend for machine lubrication is the employment of variable-displacement vane pumps as lubrication oil pumps. To vary the displacement, there are two common approaches, namely the use of a linear translating cam ring [3][4][5] and the use of a pivoting cam ring.…”

Section: Introductionmentioning

confidence: 99%

“…Staley et al 1 carried out a study on a variable-displacement vane pump for engine lubrication. Loganathan et al 2 also developed a variable-displacement vane pump for automotive applications by simulations and experiments. In another study, Kim et al 11 investigated an electronic control variable-displacement lubrication oil pump through a simple mathematical model.…”

Section: Introductionmentioning

confidence: 99%

Performance analysis of a variable-displacement vane-type oil pump for engine lubrication using a complete mathematical model

Dinh

Ahn

Trung

et al. 2013

Proceedings of the Institution of Mechanical Engineers, Part D:

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Variable-displacement vane-type oil pumps represent one of the most innovative pump types for industrial applications, especially for engine lubrication systems. The aim of this paper is to develop a complete and accurate mathematical model for a typical variable-displacement vane-type oil pump to investigate its working performance. First, the detailed theoretical model was built on the basis of pump geometric design and dynamic analyses. Next, numerical simulations with the constructed model and experiments on the actual pump system were carried out to analyse the main power loss factors in order to develop the complete model for high modelling accuracy. The estimated pump performance using the complete pump model was finally verified by numerical simulations in comparison with practical tests.

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“…Therefore, development of a variable displacement vane-type oil pump model is indispensable and can be considered as a priority task in order to investigate the pump working performance as well as to optimize the pump design structure. Some studies relating to this field have been done to investigate the pump performances [8][9][10][11] . Giuffrida investigated an electronic control variable displacement lubrication oil pump through a simple mathematical model.…”

Section: Introductionmentioning

confidence: 99%

“…Subsequently, a potential trend for machine lubrication is the employment of variable displacement vane pumps as lubrication oil pumps. To vary the displacement, there are two common approaches which are the use of a linear translating cam ring1-3), and the use of a pivoting cam ring [4][5][6][7][8][9][10][11][12] . By the second method, each pump generally includes a control ring combined with other mechanisms such as springs, which can be operated to alter the volumetric displacement of the pump and thus its output at an operating speed.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Mathematical Model of a Variable Displacement Vane Pump for Engine Lubrication

Truong¹,

Ahn²,

Lee³

2014

Journal of The Korean Society for Fluid Power & Constructio

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Abstract: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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Design and Development of Vane Type Variable flow Oil Pump for Automotive Application

Cited by 15 publications

References 4 publications

Investigation into the benefits of reduced oil flows in internal combustion engines

Investigation into the benefits of reduced oil flows in internal combustion engines

Performance analysis of a variable-displacement vane-type oil pump for engine lubrication using a complete mathematical model

Analysis of the Mathematical Model of a Variable Displacement Vane Pump for Engine Lubrication

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