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Carburetor

A carburetor and main body technology, applied in the field of carburetor improvement, can solve problems such as the enlargement of the carburetor, and achieve the effects of suppressing fluctuations, achieving stabilization, and suppressing violent shaking

Active Publication Date: 2014-09-24
HITACHI ASTEMO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Patent Document 1 describes a carburetor in which a wave prevention plate surrounding the float protrudes from the inner wall of the float chamber. However, in such a structure, in order to avoid interference between the wave prevention plate and the float, it is necessary to form the float chamber The diameter is larger, which will lead to the enlargement of the carburetor

Method used

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Embodiment Construction

[0037] Embodiments of the present invention will be described below based on preferred embodiments of the present invention shown in the drawings.

[0038] First, in figure 1 and figure 2 Among them, the carburetor C of the motor motorcycle engine has: a carburetor main body 1, which has a horizontal air intake passage 2 connected to the air intake port of the engine; and a float chamber body 5, which is separated by an O-shaped The ring 3 is engaged with the lower end surface of the carburetor main body 1 to form a float chamber 4 therebetween. The float chamber body 5 is detachably fastened to the carburetor main body 1 by bolts. Hereinafter, in the carburetor C, the downstream side (engine side) of the intake port 2 is referred to as the front side, and the upstream side of the intake port 2 is referred to as the rear side.

[0039] The carburetor main body 1 integrally has a fuel boss 1a protruding from the center of the lower surface of the carburetor main body 1 into...

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Abstract

The invention provides a carburetor, and fluctuation of an oil level of a fuel in a float chamber without increasing the diameter of the float chamber. A floator (7) forms a shape of a major arc which surrounds a fuel boss (1a) and is open in a pivot (9) side, and an arc-shaped upper longitudinal rib (23) protruding downward from a lower outer peripheral edge of the floator (7) is formed on the floator (7); and, on the other hand, an arc-shaped lower longitudinal rib (25) is formed on the float chamber (5), and the lower longitudinal rib (25) is erected from the bottom of the float chamber (5) to the lower surface of the floator (7) and is disposed on the inner side of the upper longitudinal rib (23).

Description

technical field [0001] The present invention relates to an improvement of a carburetor. The carburetor is provided with: a carburetor main body having a horizontal air inlet; A float chamber is formed between the lower end surfaces of the carburetor main body, and the carburetor main body has a fuel boss, which holds the main spray nozzle opened in the air intake passage, and protrudes into the float chamber, and accommodates in the float chamber The float is supported vertically by the carburetor body via a pivot shaft, and operates a float valve that opens and closes the fuel inlet hole to control the fuel oil level in the float chamber to be constant. Background technique [0002] Conventionally, such a carburetor is known as described in Patent Document 1 below. [0003] Patent Document 1: Japanese Patent Application Laid-Open No. 1-271648 [0004] Patent Document 1 describes a carburetor in which a wave prevention plate surrounding the float protrudes from the inner w...

Claims

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Application Information

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IPC IPC(8): F02M5/12
Inventor 赤羽根明
Owner HITACHI ASTEMO LTD
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