Abstract

The paper is devoted to the issues of design and improvement of vehicles with hybrid power units, which are intensively developing fuel saving and environment pollution reduction technology for automobile transport. The ideology of hybrid power plants lies in optimal or rational choice of engines operating mode and the efficient use of produced energy. Vehicles with hybrid power plants can be quite effective in saving fuel resources, implementation of modern energy efficiency requirements and improvement the local environment in case of their mass use. The description of the design, functionality and characteristics of two experimental vehicles with hybrid power plants are shown. The design and engineering solutions that allow to extend the functionality of hybrid power unit and to improve consumer performance of vehicles are shown. One of design solutions is proposed by the authors circuit liquid cooling system of reversible electrical machines combined with the internal combustion engine cooling system. Since the power characteristic of some electric motors is not significantly different from the power characteristics of the internal combustion engines, authors believe that to develop automobile hybrid power plant it is advisable to design a two-stage connecting - transforming device, installed in the unit with the reversible electric machines on the basis of patent description at the request of the authors of the invention. In addition, to expand the scope of implementation of automobiles with hybrid power plants and to ensure universality of application, due to specific road and climate conditions of Russia, the authors of this article proposed a concept of extended functionality for vehicle with a hybrid power plant, where two electrical machines having individual kinematic connection with the corresponding wheel of drive axle are mounted in drivetrain. For the concept of such a vehicle with a hybrid power plant authors issued a patent for the invention.

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