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Trapped vortex tail wing carburetor of throttle

A technology for a throttle valve and a carburetor, which is applied to the field of a throttle valve trapped vortex tail carburetor, can solve the problems of the intake pressure loss of the combustion chamber and the decrease of the engine power, so as to reduce the airflow pressure loss, improve the degree of mixing, and improve the structure. simple effect

Inactive Publication Date: 2012-06-13
张龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the separation of the air flow caused by the vertical and sudden expansion of the throttle throat outlet channel area of ​​the carburetor, the intake pressure of the combustion chamber is greatly lost, resulting in a decrease in engine power

Method used

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  • Trapped vortex tail wing carburetor of throttle
  • Trapped vortex tail wing carburetor of throttle
  • Trapped vortex tail wing carburetor of throttle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] exist figure 1 In the shown first embodiment, the vortex tail (4) is a triangular piece, arranged behind the plunger throttle (2), the lower bottom surface of the vortex tail (4) is in contact with the plunger throttle (2) The bottom surface of the connecting rod (5) is connected to the upper surface of the vortex empennage (4), and the other end has a connecting hole, and the end with the connecting hole is inserted into the rear wall of the plunger throttle (2), and the oil needle ( 3) Connect the vortex tail (4) to the rear wall of the plunger throttle (2) through the connecting hole on the connecting rod (5). like figure 2 As shown in the triangular sheet-shaped vortex tail (4), the root of the triangular side is an arc line close to the rear wall of the plunger throttle (2), and the width of the root is equal to the diameter of the plunger throttle (2) or the outlet The width of the passageway (13), the other two sides of the triangle constitute two edge lines (...

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Abstract

The invention provides a trapped vortex tail wing carburetor of a throttle. In the invention, a trapped vortex tail wing (4) is additionally arranged behind a plunger throttle (2) or a diaphragm throttle (6) in a carburetor body assembly (1). Through airflow flowing, trapped vortex shedding and the sweepback effect generated by an edge line (7) of the trapped cortex tail wing (4), the pressure loss of the airflow flowing is lowered, at the same time the mixing degree of oil-gas is improved, thus the power and the combustion efficiency of an engine are increased, and the purpose of saving fuel oil is reached.

Description

Technical field [0001] The invention belongs to the field of automobile and motorcycle engine parts, and relates to a throttle valve vortex tail carburetor. Background technique [0002] At present, there are two types of carburetors for automobile and motorcycle engines: plunger carburetors and equal-vacuum diaphragm carburetors. No matter what kind of carburetor, its working principle is to rely on the vacuum generated by the piston movement of the engine to suck air from the intake port of the carburetor, and the pressure difference generated by the throttle throat of the carburetor to make the liquid fuel flow from the carburetor. The float chamber is sucked out, and after being impacted and atomized by the high-speed air flow, the mixed gas enters the combustion chamber for combustion. However, due to the air flow separation caused by the sudden vertical expansion of the throttle throat outlet channel area of ​​the carburetor, the intake pressure of the combustion cham...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M7/12
Inventor 张龙
Owner 张龙
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