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http://dx.doi.org/10.5762/KAIS.2019.20.6.74

A Study on the Corrosion Prevention of the Integral Series Generator for Military Vehicles  

Kang, Tae-Woo (Land-system Center, Defense Agency for Technology and Quality(DTaQ))
Kim, Seong-Gon (Land-system Center, Defense Agency for Technology and Quality(DTaQ))
Shin, Cheol-Ho (Land-system Center, Defense Agency for Technology and Quality(DTaQ))
Lee, Kye-Sub (Military Vehicle R&D Group, Kia Motors Co.)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.6, 2019 , pp. 74-79 More about this Journal
Abstract
The military vehicle produces electric power through an engine-integrated serial hybrid generator that is connected to the engine and does not have a separate generator installation space. However, depending on the mechanical characteristics of the connection between the generator and the engine, iron oxide for internal rusting and lubrication grew scattered. The iron oxide is adhered to the starter to deteriorate the starting performance, and there is a problem that the noise of the leg due to wear of the gear is increased. To solve this problem, the connection spline material and the surface treatment of the engine were improved and the shape was changed to a grease sealing type to prevent the generation of iron oxide inside. As the shape of the generator connector composing the shafting system was changed, the integrity of the structure was confirmed through the torsional endurance test. In addition, through the actual vehicle load test, it was verified that no corrosion occurred during the target life span without internal corrosion. It was confirmed that the anti-scattering structure of the grease effectively suppresses the generation of iron oxide, thereby reducing the noise generated from the generator. In this paper, we propose a fundamental solution to the degradation of the starter and the noise generation by preventing the back corrosion caused by the serial hybrid generator installed between the engine and the transmission.
Keywords
Engine Coupler; Transmission Coupler; Rotor Shaft; Corrosion; Rust Iron;
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