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Ventilating machine provided with tight fitting type fan cover

A type of fit and machine technology, applied in the direction of mechanical equipment, engine components, machines/engines, etc., can solve the problems such as the tight fit between the shroud and the fan cover, the influence of the airtightness of the cooling space, and the influence of the heat dissipation effect. Compact structure, guaranteed sealing, and space-saving effect

Active Publication Date: 2015-05-13
LONCIN MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing general machine, due to the lack of tight fit between the shroud and the fan cover, the airtightness of the cooling space is affected, which will inevitably cause a lot of airflow loss and affect the heat dissipation effect

Method used

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  • Ventilating machine provided with tight fitting type fan cover
  • Ventilating machine provided with tight fitting type fan cover
  • Ventilating machine provided with tight fitting type fan cover

Examples

Experimental program
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Embodiment Construction

[0024] As shown in the figure: the general machine with a close-fitting fan cover in this embodiment includes a general machine case 1 and cylinder heads 2 on both sides connected with the general machine case 1, and also includes a fan cover 3 and the edge of the fan cover 3 Circumferentially closely fit to form an air guide cover assembly through a closed air passage for cooling the fan box 1 and the cylinder head 2; the structure of the present invention is suitable for forced air-cooled fans, wherein the fan cover 3 is used to cover the impeller, The fan cover 3 cooperates with the wind guide cover assembly to form an air duct for cooling the casing (crankcase) and the cylinder head 2 of the general machine. In the present embodiment, the fan cover 3 is an approximately circular structure, and its rear end surface is Irregular edge structure, the edge circumference refers to a circle around the edge of the rear end surface of the fan cover 3, and the internal cooling space ...

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PUM

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Abstract

The invention discloses a ventilating machine provided with a tight fitting type fan cover. The ventilating machine comprises a ventilating machine box body and two side cylinder heads connected with the ventilating machine box body and further comprises the fan cover and an air guide cover module penetrating through an airtight air channel and used for cooling the ventilating machine box body and the two side cylinder heads. Due to the fact that the edge peripheries of the air guide cover module and the fan cover form an airtight through cooling space through right fitting, the leakproofness of the whole cooling space is greatly improved, air flow loss in the cooling space is reduced, and heat dissipation effect is ensured. In addition, in the mode that the fan cover and the air guide cover module form the tight fitting structure, the ventilating machine is more compact in overall structure and capable of saving space.

Description

technical field [0001] The invention relates to the field of forced air-cooled ventilator cooling, in particular to a ventilator with a close-fitting windshield. Background technique [0002] The cooling air passage of the traditional general-purpose gasoline engine forced air cooling system is usually composed of heat sinks of the box body and cylinder head, fan cover parts and more air guide covers. The fan cover and air guide cover are made of injection molding or metal Manufactured by stamping technology, and connected with the box body or cylinder head by bolts. The formation process of the cooling air flow is: under the action of the impeller, the air is continuously gathered into a certain space formed by the fan cover part, the box body, and the cylinder head, so that the space The pressure increases, and under the action of pressure, the air will flow along the reserved channel connected to this space, that is, the air duct composed of the air guide cover, the box b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01P5/02
CPCF01P5/02F01P11/00
Inventor 戴瑞义刘兵罗代伦孙玲玲曾勇张成龙
Owner LONCIN MOTOR
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