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Complete vehicle thermal management system suitable for supercharged direct injection engine

A management system and engine technology, applied in the direction of engine cooling, engine starting, engine components, etc., can solve problems such as inability to achieve precise control, achieve the effects of shortening the warm-up time, reducing water resistance and heat loss, and preventing overheating

Pending Publication Date: 2019-12-24
FAW CAR CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] At present, the cooling principle of most supercharged engine models in the domestic market is mostly the traditional structural arrangement. For example, based on the development of the traditional wax-type thermostat, the temperature conditions for opening and closing the large cycle are realized through the physical changes of paraffin wax. , and the control range of opening / closing conditions is relatively wide (such as turning on / off within 85°C-95°C), and precise control cannot be achieved

Method used

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  • Complete vehicle thermal management system suitable for supercharged direct injection engine

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Embodiment Construction

[0024] Such as figure 1 As shown, the present invention includes an expansion kettle 1, an engine 2, a water pump 3, an engine oil cooler 4, a warm air core body 5, a supercharger 6, an electric water pump 7, an electronic thermostat 8, a transmission oil cooler 9 and heat dissipation device 10;

[0025] After the coolant flows out of the engine 2 outlet:

[0026] In small loop mode:

[0027] All the way back to the engine 2 through the electric water pump 7, the supercharger 6 and the electric water pump 3.

[0028] The other way returns to the engine 2 through the warm air core body 5 and the water pump 3 .

[0029] In big loop mode:

[0030] All the way back to the engine 2 through the electronic thermostat 8, the radiator 10 and the water pump 3.

[0031] The other way returns to the engine 2 through the electronic thermostat 8, the transmission oil cooler 9, the engine oil cooler 4 and the water pump 3.

[0032] In adjustable mode:

[0033] The electronic thermosta...

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Abstract

The invention discloses a complete vehicle thermal management system suitable for a supercharged direct injection engine. The complete vehicle thermal management system comprises an expansion kettle,the engine, a water pump, an engine oil cooler, a warm air core body, a supercharger, an electric water pump electronic thermostat, a gearbox oil cooler and a radiator. According to the complete vehicle thermal management system, the opening degrees of valve bodies of all branches can be controlled by additionally arranging the electronic thermostat, and the flow distribution effect can be adjusted precisely. In the mode, engine warm-up time can be effectively shortened, thermal management performance is improved, and heat losses are prevented. Meanwhile, the electric water pump is additionally arranged in a supercharger cooling loop, and the supercharger temperature can be effectively restrained from being further increased when being tool high. Moreover, cooling can be provided continuously in the halting phase, and reliability of parts is guaranteed.

Description

technical field [0001] The invention relates to a vehicle heat management system suitable for a supercharged direct injection engine. Background technique [0002] At present, the cooling principle of most supercharged engine models in the domestic market is mostly the traditional structural arrangement. For example, based on the development of the traditional wax-type thermostat, the temperature conditions for opening and closing the large cycle are realized through the physical changes of paraffin wax. , and the control range of the opening / closing conditions is relatively wide (for example, the opening / closing can be realized within 85°C-95°C), and precise control cannot be realized. Contents of the invention [0003] The object of the present invention is to provide a vehicle thermal management system suitable for a supercharged direct injection engine in order to improve the power and economy of the engine. [0004] In order to further improve the performance of the ...

Claims

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Application Information

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IPC IPC(8): F01P3/20F01P5/10F01P7/16F02B39/00F02N19/02F16H57/04
CPCF01P3/20F01P5/10F01P7/16F01P7/165F02B39/00F02N19/02F16H57/0417
Inventor 施晓光李惠常印坤李永荣
Owner FAW CAR CO LTD
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