Descriptor: "Hydraulic circuit" / Language: czech - Searchworks@Jio Institute Digital Library Search Results

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Start Over Descriptor "Hydraulic circuit" Language czech

Author: Ján Kosiba, Zdenko Tkáč, Ľubomír Hujo, Juraj Tulík, Peter Ševčík, Vladimír Šinský, and Milan Rašo
Subjects: flow rate characteristics, hydraulic circuit, tractor, Agriculture
Abstract: This paper deals with the effect of ecological energy carrier on flow characteristics of a hydraulic pump. A hydraulic oil MOL Farm UTTO Synt was used as an ecological energy carrier. After completing 900 engine hours, the flow efficiency of the hydraulic pump decreased by Δηpr = 1.197 %. Oil samples were taken from the agricultural tractor Zetor Forterra 114 41. These samples were subjected to an IR spectroscopy analysis in an accredited laboratory WearCheck, Hungary. The following oil properties were examined: kinematic viscosity at 40 °C, viscosity index, silicium and ferrum content.
Published: 2013
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Author: PŘICHYSTAL, Martin
Subjects: rozvaděč, hydraulický okruh, hydraulic circuit, hydraulic motor, hydraulický systém, hydrogenerátor, Diagnostika, hydromotor, ventil, hydraulická ruka, Diagnostics, distributor, crane, hydrogenerator, hydraulic system, valve
Abstract: The work deals with the methodology of disassembly-less procedure of hydraulic systems. The theoretical part contains the basic characteristics of fluids, hydraulic system parts description, hydraulic system elements description, characteristic of measured variables and description of diagnostic methods of the hydraulic system elements. The practical part includes the methodology of disassembly-less diagnostics of hydraulic system and verify the suitability of the proposed disassembly-less diagnostics.
Published: 2012

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