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Convection machine with tight-fitting hood

A type of fit and machine technology, applied in mechanical equipment, engine components, machines/engines, etc., can solve the problems of the air shroud and the fan cover not being closely matched, the airtightness of the cooling space, and the impact on the heat dissipation effect, etc. Compact structure, guaranteed sealing, and space-saving effect

Active Publication Date: 2017-02-22
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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  • Convection machine with tight-fitting hood
  • Convection machine with tight-fitting hood
  • Convection machine with tight-fitting hood

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

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

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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 present invention relates to the field of forced air-cooled ventilation machine cooling, in particular to a ventilation machine with a close-fitting hood. Background technique [0002] The cooling air duct of the traditional general gasoline engine forced air cooling system is usually composed of the heat sink of the box and the cylinder head, the fan cover part and more air shrouds. The fan cover and the air shroud are made of injection molding or metal It is manufactured by stamping process and connected with the box body or cylinder head by bolting. The cooling air flow is formed by: under the action of the impeller, the air continuously gathers into a certain space formed by the fan cover part, the box body and the cylinder head to make the space The pressure increases. Under the action of the pressure, the air will flow along the reserved channel connected with this space, that is, the air duct composed of the air deflector, the box body and the cy...

Claims

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Application Information

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Patent Type & Authority Patents(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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