Low-speed fuel channel for gasifier

Abstract

The invention provides a low-velocity fuel channel of a gasifier. The low-velocity fuel channel of the gasifier improves the spraying of the low-velocity fuel and performs atomization of the low-velocity fuel well, so that the fuel will not stay in the intake channel. The solution is to set a bypass channel (37) connecting the upstream and downstream of the throttle valve (5), and use the first channel (37a) and the second channel (37b) to form the bypass channel, wherein the The first passage (37a), with its upper end on the downstream side of the throttle valve, and is eccentric relative to the central axial side of the intake passage, opens an opening (38) on the wall of the intake passage (3), and Its lower end is open on the bottom surface of the gasifier main body (2), and the upper end of the second passage (37b) is provided with an opening (39) on the wall surface of the intake passage on the upstream side of the throttle valve (3). The other end corresponds to the lower end of the aforementioned first channel, and connects the guiding outlet to the aforementioned first channel. Thereby, inertia is given to the low-velocity air-fuel mixture ejected from the bypass passage, and the low-velocity fuel mixture can be ejected violently substantially perpendicular to the intake passage in a swirling state, and the low-velocity fuel can be well atomized.

Description

technical field [0001] The present invention relates to a low velocity fuel passage that supplies fuel in a gasifier that controls fuel supply to an engine, particularly when the engine is running at low speed. Background technique [0002] In the prior art gasifier, as shown in FIG. 5 , an air intake passage 102 penetrating in the transverse direction is provided on the main body 101 of the carburetor, and a butterfly throttle valve 103 is rotatably arranged in the air intake passage 102 . The butterfly throttle valve 103 controls the opening and closing of the intake passage 102 . In the float chamber 104 formed below the intake passage 102, a boss portion 105 hangs down from the lower side of the carburetor main body 101, and in the boss portion 105, the lower end side and the oil level below the float chamber 104 are provided. The communicating pilot nozzle 106. A pilot deflation chamber 107 is formed around the pilot nozzle 106 , and the fuel channel 108 inside the pi...

AI Technical Summary

Problems solved by technology

However, since the passage lengths of the openings 117a and 117b are short, low-velocity fuel is ejected along the wall surface of the intake passage 102, and as a result, a part of the fuel adheres to the wall surface of the intake passage, and there is a fuel that cannot completely eliminate the intake passage. stuck problem

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