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Circulation loop for engine cooling system

A technology of engine cooling and circulation loop, which is applied in the direction of engine cooling, engine components, machines/engines, etc. It can solve the problems of long cooling pipelines, long engine warm-up time, etc., and achieve the effect of high water temperature

Inactive Publication Date: 2013-09-11
SAIC-GM-WULING AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And because the cooling pipeline of the miniature car is relatively long, it will make the warm-up time of the engine relatively longer.

Method used

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  • Circulation loop for engine cooling system
  • Circulation loop for engine cooling system
  • Circulation loop for engine cooling system

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Experimental program
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Embodiment Construction

[0021] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.

[0022] Such as figure 1 As shown, the specific embodiment of the present invention is: the present invention constructs an engine cooling system, including a large circulation of the cooling system, a water pump assembly 2 integrating water pump components, a water outlet support 5 supporting the water outlet of the cooling system, and a detection cooling system temperature thermostat 20, a thermostat cover 19 for accommodating the thermostat 20, a thermostat assembly (19, 20) integrating the thermostat 20 and the thermostat cover 19, the engine (not shown in the figure), the engine also includes a cylinder head and a cylinder block (not shown in the figure), the front end of the engine block includes a front end cover (not shown in the figure), the water pump assembly 2 and The thermostat assembly (19, 20) is fixed on the front end cover, the th...

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Abstract

The invention relates to a circulation loop for an engine cooling system. A water pump assembly and a thermostat assembly are fixed on a front end cover; a thermostat is arranged at the water inlet end of an engine; a water outlet support is fixed on a cylinder head; the front end cover is fixed on a cylinder body; and the circulation loop comprises a heating loop for quickly returning high-temperature cooling liquid to the water pump assembly and a throttling valve body heating loop for heating the thermostat. In the circulation loop for the engine cooling system, two small circulation loops directly impact a temperature sensing part of the thermostat when entering a water channel of the front end cover, so that the effect of heating the thermostat is achieved; meanwhile, a temperature difference of a water outlet and a water inlet of the engine is measured and reflected in the performance parameter of the thermostat, so that the phenomenon of a high water temperature possibly caused by temperature sensing lag of the thermostat is avoided.

Description

technical field [0001] The invention relates to a circulation loop, in particular to a circulation loop of an automobile engine cooling system. Background technique [0002] At present, there are two types of engine cooling systems: one is that the thermostat is placed at the engine water outlet, and the other is that the thermostat is placed at the engine water inlet. Both cooling systems have their own advantages and disadvantages. The thermostat is placed at the water outlet of the engine. The thermostat is more sensitive to the temperature of the engine outlet water. However, during the filling process, an additional exhaust channel needs to be set at the rear end of the thermostat; the thermostat is placed at the engine inlet. The water port, the whole filling process is smoother, but the response of the thermostat itself to the temperature of the engine water outlet is slightly lagging. [0003] The engine of a minibus is usually placed obliquely in the middle of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P5/10F01P7/16F01P3/00
Inventor 张帆李坚覃瑜
Owner SAIC-GM-WULING AUTOMOBILE CO LTD