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Automobile power system with double-engine and its control method

A power system, dual-engine technology, applied in the direction of control device, power device, vehicle components, etc., can solve problems such as complex structure, and achieve the effect of increasing effective load, saving development cost and use cost

Inactive Publication Date: 2008-03-26
SAIC MOTOR
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  • Abstract
  • Description
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Problems solved by technology

But its disadvantage is that the structure is more complex

Method used

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  • Automobile power system with double-engine and its control method
  • Automobile power system with double-engine and its control method

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Embodiment Construction

[0025] As shown in Figure 4, the dual-engine vehicle power system of the present invention includes a main power system that is connected in sequence by the main engine 1, the main clutch 3, the main transmission 6, the differential 7 and the wheels 8, which are the same as those of a traditional car. , also includes an auxiliary engine 2 connected in parallel with the main engine 1, the output shaft of the auxiliary engine 2 is connected with an auxiliary transmission 4, the auxiliary transmission can adopt a two-speed planetary gear transmission, and the output shaft of the two-speed planetary gear transmission 4 is then It is connected with the output shaft of the main engine 1 through a gear set 5 . In order to optimize the energy structure, the main engine 1 is a gasoline engine, and the auxiliary engine 2 is an ethanol engine.

[0026] When separating the clutch and the ring gear brake in the two-speed planetary gear transmission 4, the two-speed planetary gear transmiss...

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Abstract

The present invention discloses one kind of double engine automobile power system, which includes one main engine, one main clutch, one main speed variator, one differential gear and wheels connected successively to constitute one main power system, as well as one auxiliary engine and one auxiliary speed variator connected to constitute one auxiliary power system. The auxiliary power system has an output shaft connected through one gear train to the output shaft of the main engine. The present invention can save fuel oil, reduce emission and lower cost effectively. The present invention also discloses the control method of the double engine automobile power system.

Description

technical field [0001] The invention relates to an automobile power system, in particular to an automobile power system with two engines, and to a control method for the power system. Background technique [0002] Energy and the environment have become two decisive factors affecting the future development of the automobile industry. Improving engine efficiency and developing new energy vehicles are not only important ways to solve energy constraints, but also the commanding heights to enhance a country's competitiveness. At present, the choice of technology has formed a trend of diversification. [0003] It can be seen from the engine power characteristics that in order to make the fuel work efficiency of the engine the highest, it is necessary to make the engine work at the maximum load rate state. However, in a vehicle, the matching of the engine power required by the vehicle is uncertain; therefore, it is unrealistic to make the engine work at full load. Therefore, for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K5/08B60K17/28
Inventor 张家宁龚红兵姚烈邬建华韩轶
Owner SAIC MOTOR
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