A vehicle cooling system and its control method, and a vehicle equipped with the system

A technology of cooling system and control method, which is applied in the control of coolant flow, liquid cooling, engine cooling, etc., can solve the problems of poor braking effect of hydraulic retarder, etc., to reduce resistance, increase water flow speed, The effect of reducing circulation resistance

Active Publication Date: 2018-10-16
WEICHAI POWER CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problem of poor braking effect of the hydraulic retarder in the prior art

Method used

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  • A vehicle cooling system and its control method, and a vehicle equipped with the system

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] Such as figure 1 As shown, a vehicle cooling system provided by the embodiment of the present invention includes a water pump 1, a radiator 5, an engine water jacket, and a hydraulic retarder 4. The radiator 5, the water pump 1 and the engine water jacket are connected in series to form a cooling circuit. Specifically, the engine wate...

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Abstract

The invention relates to the technical field of vehicle cooling systems and particularly relates to a vehicle cooling system and a control method thereof as well as a vehicle provided with the system. The vehicle cooling system comprises a water pump, a heat radiator, an engine water jacket and a hydraulic retarder, wherein a cooling circuit is formed by connecting the heat radiator, the water pump and the engine water jacket in series; a cooling water path of the hydraulic retarder is connected with the engine water jacket in parallel; and an adjusting valve is arranged among the water pump, the hydraulic retarder and the engine water jacket and is used for adjusting the quantity of water which is introduced into the hydraulic retarder and the engine water jacket by the water pump. The cooling capability of the vehicle cooling system is improved; and furthermore, the braking efficiency of the hydraulic retarder is improved.

Description

technical field [0001] The invention relates to the technical field of vehicle cooling systems, in particular to a vehicle cooling system, a control method thereof, and a vehicle equipped with the system. Background technique [0002] As a means of auxiliary braking, the application of hydraulic retarder on heavy commercial vehicles is gradually increasing. Vehicles equipped with hydraulic retarders can greatly reduce the use of service brakes when going down long slopes, and ensure that the service brakes are always in good condition, thereby ensuring driving safety. The heat in the hydraulic retarder is taken away by the cooling water of the engine cooling system. For the hydraulic retarder, its retarding ability is limited by the cooling capacity. As long as the cooling system provides sufficient cooling capacity, its retarding Speed ​​ability is unlimited. [0003] The cooling of the existing hydraulic retarder is generally connected in series with the cooling water ci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P3/02F01P7/14F16D65/78
CPCF01P3/02F01P7/14F01P2003/028F01P2007/146F01P2060/00F16D65/78F16D2065/783
Inventor 陈月春杨秀花樊京元王卓侯建军
Owner WEICHAI POWER CO LTD
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