Kinematic flowrate characteristics of external spur gear pumps using an exact closed solution

Huang, Kuo Chan; Lian, Wun Chuan

doi:10.1016/j.mechmachtheory.2008.10.002

Cited by 38 publications

(25 citation statements)

References 16 publications

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“…Las bombas de engranajes son ampliamente usadas debido a su alto rendimiento, elevada presión de descarga, alta fiabilidad y construcción compacta en general se usa bombas con engranajes externos (Huang K, 2009), el principio de funcionamiento de este tipo de bombas se basa en un par de engranajes que provocan un cambio en el volumen entre los engranes y la cámara de la bomba lo que provoca un aumento de presión debido a la incompresibilidad del fluido.…”

Section: Modelo Matemático De Bombas De Engranajes Externosunclassified

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Adquisición De Datos De Magnitudes En Un Sistema Oleohidráulico Para Su Control Y Monitoreo En Un Laboratorio Remoto De Instrumentación Virtual De Código Abierto

Romero

Chávez

Avilés

et al. 2017

ESJ

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The present research analyzes the state of the art of remote laboratories and their use in teaching and industry. In addition, the aim of this study is to develop a test bench to control and maintain, in optimal conditions, the operating parameters of a hydraulic oil system through an open source virtual platform. This equipment will analyze the behavior of an external gear pump which will enable us to make comparisons of mathematical models to predict the flow rate and compare it with that obtained in real time through the test bench. The analysis starts with a theoretical revision that is used for defining the variables to be controlled in the test bench. It is also used to propose a methodology that allows reaching the objectives raised.

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Section: Modelo Matemático De Bombas De Engranajes Externosunclassified

“…Huang propone un modelo para representar el caudal de una bomba, el mismo que es igual a la diferencia entre el caudal volumétrico de entrada y el caudal volumétrico existente (Huang K, 2009):…”

Section: Modelo Matemático De Bombas De Engranajes Externosunclassified

Adquisición De Datos De Magnitudes En Un Sistema Oleohidráulico Para Su Control Y Monitoreo En Un Laboratorio Remoto De Instrumentación Virtual De Código Abierto

Romero

Chávez

Avilés

et al. 2017

ESJ

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“…During the generation, S t moves with the rack-cutter while S 1 rotates with the pinion. When S t has a displacement of s, S 1 rotates over an angle of ' 1 , both of which are related by equation (5).…”

Section: The Profile Of Pinion With Involute Toothmentioning

confidence: 99%

Theoretical flowrate characteristics of the conjugated involute internal gear pump

Zhou

Song

2012

Proceedings of the Institution of Mechanical Engineers, Part C:

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The aim of this article is to study the theoretical flowrate characteristics of the conjugated involute internal gear pump. The conjugated involute internal gear pump has a different internal gear, the profile of which is completely conjugated to that of pinion, from the conventional involute internal gear pump. To describe briefly, the former pump is called 'conjugated pump' while the latter pump 'conventional pump'. This structure makes the conjugated pump have smaller volumes of trapped fluid than the conventional pump, which indicates the conjugated pump has a better flowrate performance. Although there have been numerous investigations into gear pumps, none of them have dealt with the conjugated pumps yet. This article presents a systematic study on the theoretical flowrate characteristics of the conjugated pumps. It is expected to obtain some generalized conclusions to guide the design of internal gear pumps. Firstly, a double envelope concept is applied to derive the mathematical models of the conjugated involute internal gear couple. Next, mesh characteristics of the gear couple, which mainly decide the fluid delivery performance of the pumps, are analyzed. Finally, using a control volume approach, the theoretical flowrate characteristics of the pump under different design parameters of gears are investigated. Results show the conjugated pump has a better performance than the conventional one. To design a conjugated pump with good flowrate characteristics, it's feasible to choose a proper shifting coefficient, a larger tooth number of the pinion, a smaller tooth number of the internal gear, a larger pressure angle and a larger fillet radius, under the condition that no tooth interference occurs.

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“…Manring and Kasaragadda [7] have analysed the flow pulsation that is produced by external gear pumps with different number of teeth on the driving and driven gears from a theoretical point of view. Huang and Lian [8] have investigated numerically how several gear parameters (including teeth number and pressure angle) help in reducing the flow rate fluctuation. Iyoi and Ishimura [9] have shown that it is not possible to get external gear pumps with no delivery fluctuation but it can be minimised.…”

Section: Introductionmentioning

confidence: 99%

Experimental analysis of the flow dynamics in the suction chamber of an external gear pump

Ertürk¹,

Vernet²,

Castilla³

et al. 2011

International Journal of Mechanical Sciences

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Kinematic flowrate characteristics of external spur gear pumps using an exact closed solution

Cited by 38 publications

References 16 publications

Adquisición De Datos De Magnitudes En Un Sistema Oleohidráulico Para Su Control Y Monitoreo En Un Laboratorio Remoto De Instrumentación Virtual De Código Abierto

Adquisición De Datos De Magnitudes En Un Sistema Oleohidráulico Para Su Control Y Monitoreo En Un Laboratorio Remoto De Instrumentación Virtual De Código Abierto

Theoretical flowrate characteristics of the conjugated involute internal gear pump

Experimental analysis of the flow dynamics in the suction chamber of an external gear pump

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