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Tractors` Injection Systems Overwiev
Poláček, Milan ; Svída, David (referee) ; Dundálek, Radim (advisor)
The object of the bachelor’s thesis is to create an overview of injection systems at currently produced tractors. The first part of the overview is concerned with conceptions of diesel injection by tractors’ engines and with a description of its parts. There are also referred related technologies for power boosting. The second part is devoted to particular marks of tractors and used injection systems.
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Analysis of the Selected Firm
Krejčík, Václav ; Veselý, Petr (referee) ; Hanušová, Helena (advisor)
This diploma thesis is concerned with a comprehensive analysis of ZETOR TRACTORS a.s. company. The main goal and mission of the analysis is to depict an actual stage of the company by some procedures and methods from the financial statements and the strategy and financial analysis, and on the basis of these analysises suggest some solutions and recommendations, which could be the subject matter towards improvement of the current situation in the future.
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Možnosti snižování nákladů u traktorových souprav na zpracování půdy
Fajmon, Jiří
The thesis on the theme-Possibilities of reduction costs by tractors kit for treatment of soil-is giving us in the theoretic part basic information about construction of nowadays tractors, possibilities its traction and effectiveness of use. It deals with economy of treatment of soil primarily with energy demands and effectiveness tillage. In the practical part of this thesis is processed field measurements, which was made for purpose to evaluate usage of traction hydraulic cylinder plough. It was investigated how the features of traction cylinder are influencing fuel consumption, traction of wheel and efficiency of tractors kit.
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Vnější hydraulické okruhy traktorů
Dvořák, Petr
The purpose of this bachelor thesis is to acquaint the reader with the external hydraulic cir-cuits of tractors. The bachelor thesis is divided into three parts. First part briefly summariz-es development of hydrostatic circuits in tractors. Second part is focused on functional and control elements of external hydraulic circuits. Furthermore, the electrohydraulic control system and the Load sensing system are described here. The final part of the bachelor thesis deals with possibilities of tractor hydraulic system diagnostics with the help of its external hydraulic circuit.
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