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Water temperature controlling mechanism of engine cooling circulating system

A technology for engine cooling and water temperature regulation, applied in the direction of engine cooling, engine components, machines/engines, etc.

Inactive Publication Date: 2009-07-08
CHONGQING CHANGAN AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is not suitable for engines with more compact structure, higher emission requirements and lower fuel consumption

Method used

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  • Water temperature controlling mechanism of engine cooling circulating system
  • Water temperature controlling mechanism of engine cooling circulating system
  • Water temperature controlling mechanism of engine cooling circulating system

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] see figure 2 and image 3 , the water temperature regulating mechanism of the engine cooling circulation system includes the large and small circulation pipes 1 and 3 of the cooling circulation system, and the heating and ventilation circulation pipe 4, and is connected between the large circulation pipe 1 and the small circulation pipe 3 and the heating and ventilation circulation pipe 4 Thermostat seat 2, a water temperature regulating valve 5 is installed in the thermostat seat 2, and an auxiliary valve 6 is installed on the water temperature regulating valve 5 facing the small circulation pipe 3, and Φ2.5~Φ3 is opened on the auxiliary valve 6. Small holes 6-4 of 5mm.

[0011] The auxiliary valve 6 includes a spring 6-1, a valve stem 6-2 and a valve 6-3, the upper end of the valve stem 6-2 is connected to the water temperature regulating valve 5, the lower end is equipped with a valve 6-3, and the spring 6-1 is set on the valve stem 6 The upper and lower ends of -...

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Abstract

The invention relates to a water temperature regulating mechanism for an engine cooling circulation system. The water temperature regulating mechanism comprises a big cycle and a small cycle of the cooling circulation system and a heating ventilation cycle. A thermoregulator seat is arranged between the big cycle, the small cycle and the heating ventilation cycle; a water temperature regulating valve is arranged inside the thermoregulator seat; a supplementary valve facing the small cycle is arranged on the water temperature regulating valve; when the engine is not started, the supplementary valve is about 6mm away from the entrance of the small cycle; and a small hole is arranged on the supplementary valve and is used to communicate the big cycle and the small cycle when the supplementary valve is used to close the entrance of the small cycle. The technical proposal effectively reduces the oil consumption of the engine and the emission of harmful gas, reduces the vibration of the engine and the frictional wear during cold start, improves the reliability of a cylinder sleeve and the service life of engine parts such as the water temperature regulating device, and also improves the entire car comfort.

Description

technical field [0001] The invention relates to a control mechanism of a cooling circulation system of an engine, in particular to a water temperature adjustment mechanism for controlling the circulation of engine coolant. Background technique [0002] Usually, the water temperature adjustment mechanism for engine coolant size circulation control is composed of a thermostat seat 2 and a water temperature regulating valve 5, and the thermostat seat 2 is respectively connected with the large circulation pipe 1, the small circulation pipe 3 and the HVAC circulation pipe 4, specifically See attached figure 1 , the water temperature regulating valve 5 does not have an auxiliary valve, and the full-open lift of the water temperature regulating valve 5 is 8-10mm, so the small circulation pipe of the coolant is normally open. The small circulation pipe 3 is made very small. This kind of water temperature regulating mechanism can meet the requirements of engines with low emission a...

Claims

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Application Information

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IPC IPC(8): F01P7/16
Inventor 袁浩邓伟尹强梁文锋
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
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