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Engine and vehicle

A technology for engines and vehicles, which is applied in the direction of engine components, combustion engines, machines/engines, etc. It can solve the problems that the Atkinson cycle and the supercharger cannot be combined, so as to ensure anti-knock performance, reduce pumping loss, and improve thermal efficiency. Effect

Active Publication Date: 2018-04-06
GREAT WALL MOTOR CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention aims to propose an engine to solve the problem that the Atkinson cycle and supercharger cannot be combined

Method used

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  • Engine and vehicle
  • Engine and vehicle
  • Engine and vehicle

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Embodiment Construction

[0034] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0035] The engine 100 of the embodiment of the present invention will be described in detail below with reference to the drawings and embodiments, and the engine 100 can be applied to a vehicle.

[0036] The engine 100 according to the embodiment of the present invention may include: a supercharger 10, an engine body 20, a first manifold 30 and a second manifold 40, such as figure 1 As shown, the supercharger 10 may include: an impeller 11 and a turbine 12 , and the engine 100 may further include: a mixing chamber 90 disposed on the intake side of the impeller 11 .

[0037] The body 20 is provided with a plurality of cylinders 21, for example four, each cylinder 21 corresponds to an intake passage, a first exhaust passage 22 and a second exhaust passage 23, and the impeller 11 is connected to the intake pass...

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Abstract

The invention provides an engine and a vehicle. The engine comprises a pressurizer, an engine body, a first branch pipe and a second branch pipe. The pressurizer comprises an impeller and a turbine, aplurality of air cylinders are arranged on the engine body, all the air cylinders are provided with air inlet channels, first exhaust channels and second exhaust channels correspondingly, the impeller and the air inlet channels of the air cylinders are connected, and the first exhaust channels are selectively opened and closed during exhaust of the air cylinders. When the first exhaust channels can be opened, the second exhaust channels are suitable for being opened during air inlet of the air cylinders, and when the first exhaust channels are normally closed, the second exhaust channels aresuitable for exhausting during exhaust of the air cylinders. The first branch pipe is connected with the first exhaust channels and connected with the turbine, and the second branch pipe is connectedwith the second exhaust channels and the impeller. Therefore, the combination of Atkinson circulating control and the pressurizer can be achieved so that the heat efficiency can be improved and the pump air loss and oil consumption can be reduced while the anti-explosion performance is ensured.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to an engine and a vehicle with the engine. Background technique [0002] In related technologies, in order to solve the following problems: how to increase thermal efficiency while ensuring anti-knock performance, how to reduce pumping loss, and how to balance temperature and fuel consumption, car companies gradually introduce atksion (Atkinson) cycle technology into gasoline engines , such as Toyota and Nissan. By using the Atksion cycle technology, the expansion ratio is increased and the theoretical thermal efficiency is improved. In addition, the intake air volume is adjusted by the closing time of the intake valve after the Atksion cycle technology is adopted, which greatly reduces the pumping loss. However, the Atksion technology and the supercharger used by most car companies are in conflict with each other, so as long as the engine performs Atksion, the supercharger will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B75/02F02B37/00F02M26/04F02M26/42F01L13/08
CPCF01L13/08F02B37/00F02B75/02Y02T10/12
Inventor 王江涛杨晓勇李宇飞高峰胡广进申荣伟张士伟
Owner GREAT WALL MOTOR CO LTD
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