Autors: Stoyanov, Y. S.
Title: COMBINED OPERATION OF A DIESEL INTERNAL COMBUSTION ENGINE AND A HYDRODYNAMIC TORQUE CONVERTER IN A FORKLIFT'S POWERTRAIN
Keywords: Kinematic characteristics, forklift's powertrain, internal c

Abstract: The objective of this article is to derive and analyze the combined operation of an internal combustion engine (ICE) and a torque converter (TC) used in forklift transmissions. A diesel ICE model D3900K and a torque converter of type Brockhaus 1334 with cast impeller and turbine wheels, featuring a BBA blade system, were selected for the study. The external speed characteristics of the engine were determined with respect to torque and power, along with the efficiency and the dimensionless performance characteristics of the TC. The results obtained from the joint operation modeled in the MATLAB environment show that the load parabolas fully cover the engine speed characteristic from the maximum torque mode to the maximum power mode, i.e., across the engine’s entire operational range.

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    , 2026, Bulgaria, ISSN 2367-8569

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