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The comparison of biodegradable hydraulic fluid with mineral oil on the basis of selected parameters

Author

Listed:
  • R. Majdan

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

  • J. Kosiba

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

  • J. Tulík

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

  • D. Kročková

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

  • V. Šinský

    (Department of Transport and Handling, Faculty of Engineering, Slovak Agriculture University in Nitra, Nitra, Slovak Republic)

Abstract

The paper presents a comparison of two fluids quality. The first one was mineral oil type UTTO which is commonly used in the transmission and hydraulic systems of agricultural tractors. The second one tested was biodegradable hydraulic fluid type ERTTO which could replace the toxic mineral oil. Both fluids were tested under the same test conditions using a special test device. The selected parameters of the hydrostatic pump were evaluated. The tests were evaluated according to the parameters describing the technical state of the hydrostatic pump as follows: flow efficiency, decrease of flow efficiency and cleanliness level of the fluid tested. This additional measurement verifies the test results. On the basis of the results achieved, we can state that the biodegradable hydraulic fluid exerts no harmful influence on the technical state of the hydrostatic pump. Therefore, the biodegradable fluid tested can be applied to the agricultural tractor. Has been demonstrated that the selected parameters are suitable for the evaluation of hydraulic fluid during its working performance. Therefore, these parameters will be used in the next examination of the fluid under operational conditions of an agricultural tractor.

Suggested Citation

  • R. Majdan & J. Kosiba & J. Tulík & D. Kročková & V. Šinský, 2011. "The comparison of biodegradable hydraulic fluid with mineral oil on the basis of selected parameters," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 57(SpecialIs), pages 43-49.
    • Handle: RePEc:caa:jnlrae:v:57:y:2011:i:specialissue:id:7-2011-rae
    DOI: 10.17221/7/2011-RAE
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    References listed on IDEAS

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    1. I. Petranský & Š. Drabant & J. Ďuďák & A. Žikla & I. Grman & J. Jablonický, 2003. "Pressure in the hydraulic system of three point hitch of tractor equiped with electrical and mechanical control," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 49(2), pages 37-43.
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