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Double-fuel inlet manifold

An intake manifold, dual-fuel technology, applied in fuel injection device, combustion air/combustion-air treatment, charging system, etc., can solve the problem of unreasonable overall layout of intake manifold, achieve convenient layout, guarantee The effect of fuel injection angle and reasonable arrangement

Active Publication Date: 2012-05-16
ZHEJIANG GEELY HOLDING (GROUP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At the same time, the invention also provides a dual-fuel intake manifold with reasonable structural layout, good versatility, and convenient installation and maintenance; it solves the technical problem of unreasonable overall layout of the intake manifold in the prior art

Method used

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Examples

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Embodiment

[0020] Such as figure 1 with 2 As shown in and 3, a dual-fuel intake manifold is integrally cast, which includes an intake manifold body 1, and a resonant cavity 2 is arranged on the upper end of the body 1, and the resonant cavity 2 is connected with an inlet There are 4 gas passages 3 and 3 intake passages, and the intake passages 3 are distributed in a claw shape. The main body 1 is provided with an intake manifold connecting seat 5 for connection, which is in the form of a flange, and is used for connecting and fixing the intake manifold and the engine. A fuel nozzle mounting seat 6 integrally cast with the body 1 is provided directly above each air intake channel 3 . Each fuel nozzle mounting seat 6 includes a fuel injection mounting hole 7 in the front row and a fuel injection mounting hole 10 in the rear row. Hole centers coincide. The two installation holes are in the shape of a cylinder, and are arranged in a stepped manner one after the other above the intake air...

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Abstract

The invention relates to a part used for an automobile engine, in particular to an intake manifold applied to a dual-fuel automobile engine. The invention comprises an intake manifold body which is equipped with an intake manifold connecting seat used for connection, a fuel nozzle mount pad and an oil track mount pad which are integral with the intake manifold body are arranged at the position close to the intake manifold connecting seat, the fuel nozzle mount pad comprises two groups of nozzle mount holes, and the oil track mount pad is arranged above the air intake channel and provided withtwo groups of oil track mount holes. The invention mainly aims at providing a dual-fuel intake manifold which uses two groups of fuel nozzles to provide dual fuel, and the phenomena affecting the fuel nozzle performance between the two groups of fuel nozzles such as oil film deposition and coverage at the mount holes of the fuel nozzles do not appear; and the invention resolves the technical problems existing in the prior art that only single point injection is employed and meanwhile the lower fuel nozzle can produce oil film deposition and coverage, thus affecting the performance of the lower fuel nozzle.

Description

technical field [0001] The invention relates to a part for an automobile engine, in particular to an intake manifold applied to a dual-fuel automobile engine. Background technique [0002] With the development of industrial technology, automobiles have become an important means of transportation for people. At present, the main fuel for automobiles is gasoline, which is a non-renewable fuel and will cause pollution to the environment. New types of automobile fuels are expected by people. Now the fuels used in automobile engines are beginning to diversify, and more and more dual-fuel and multi-fuel vehicles are being developed and used. It is very necessary to use a simple, easy, convenient and low-cost method to enable the engine to use two or more fuels of. [0003] The fuel used for engine combustion is injected into the engine in the form of mist through the fuel nozzle installed on the intake manifold. The nozzles are generally arranged directly above the intake manif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M35/104F02M61/14
Inventor 宋金环金先扬
Owner ZHEJIANG GEELY HOLDING (GROUP) CO LTD
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