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Car power assembly and car

An automotive powertrain and engine technology, applied in vehicle components, control devices, transportation and packaging, etc., can solve the problems of the insufficient first-order bending mode of the automotive powertrain affecting the NVH performance of the car, and achieve improved NVH performance and stiffness , Improving the effect of the first-order bending mode

Active Publication Date: 2017-11-07
北京汽车动力总成有限公司
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AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of automobile powertrain and automobile, solve the problem that the lack of first-order bending mode of automobile powertrain in the prior art affects the NVH performance of the automobile

Method used

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Embodiment Construction

[0034] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0035] The invention aims at the problem that the insufficient first-order bending mode of the automobile power assembly in the prior art affects the NVH performance of the automobile, and provides an automobile power assembly and the automobile, by adding a reinforcement bracket between the engine cylinder head and the transmission suspension bracket , so that a triangular connection structure is formed between the engine and the transmission through the reinforced bracket, and the rigidity of the parts is increased, thereby improving the first-order bending mode of the power assembly, thereby improving the NVH performance of the vehicle.

[0036] Such as figure 1 , figure 2 and image 3 As shown, the embodiment of the present invention provides an a...

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Abstract

The invention provides a car power assembly and a car. The car power assembly comprises an engine, a transmission and a reinforcing support. The engine comprises an engine cylinder body and an engine cylinder cover mounted on the engine cylinder body. The transmission is provided with a transmission suspension support. One end of a reinforcing support is connected with the engine cylinder cover, and the other end of the reinforcing support is connected with the transmission suspension support. The engine and the transmission form a triangular connecting structure through the reinforcing support. According to the car power assembly and the car, the reinforcing support is additionally arranged between the engine cylinder cover and the transmission suspension support, so that the engine and the transmission form the triangular connecting structure through the reinforcing support, the rigidity of parts is improved, the first-order bending mode of the power assembly is improved accordingly, and thus the NVH performance of the car is improved.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to an automobile power assembly and an automobile. Background technique [0002] With the development of the economy, people have higher and higher requirements for passenger cars, not only requiring better reliability of the car, but also hoping that the NVH (noise, vibration and harshness) performance of the car is also excellent. As the main source of noise and vibration of an automobile, the NVH of the powertrain directly affects the customer's satisfaction with the vehicle, so the NVH performance of the powertrain is given more attention. [0003] The first-order bending mode of the powertrain has a great influence on the NVH of the vehicle, and it is very difficult to improve the first-order bending mode of the powertrain. The current solution is to add stiffeners to the flange at the rear end of the cylinder block to improve the bending stiffness of the powertrain. This...

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Application Information

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IPC IPC(8): B60K17/00
CPCB60K17/00
Inventor 郝晓峰秦永舜于宏志鲁守卫吕品贺燕铭田安民李继凯李海波
Owner 北京汽车动力总成有限公司
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