Glow ring ignition assist for internal combustion engine

一种内燃机、炽热的技术，应用在发动机的白炽点火、燃料喷射装置、内燃活塞发动机等方向，能够解决燃烧不完全、碳氢化合物排放增加、发动机低效率等问题，达到完全燃烧的效果

Inactive Publication Date: 2006-01-04
WESTPORT POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As such, the engine may operate at a lower efficiency and produce less power due to incomplete combustion
Also, a higher percentage of unburned fuel can lead to increased emissions of hydrocarbons (HC), see: Mueller C.J. and Musculus, M.P., "GlowPlug Assisted Ignition and Combustion of Methanol in an Optical DI DieselEngine", SAE paper 2001-01 -2004
[0008] Spark ignition can also be used, however, like a glow plug, spark ignition ignites a flame at one point in the combustion chamber, which spreads throughout the combustion chamber, so combustion with this method may also be incomplete

Method used

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  • Glow ring ignition assist for internal combustion engine
  • Glow ring ignition assist for internal combustion engine
  • Glow ring ignition assist for internal combustion engine

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Embodiment Construction

[0036] A glow is provided which assists in the ignition and combustion of fuel which is difficult to spontaneously ignite under conditions typically found in compression ignition diesel engines. The disclosed methods and apparatus help ignite more fuel within the combustion chamber.

[0037] In the embodiment discussed here, the combustion chamber accumulates intake air through the intake stroke of the piston and compresses the intake air through the compression stroke of the piston. Embodiments are described when the piston is at or near top dead center at the beginning of the power stroke. As an example, at approximately this point in the engine cycle, gaseous fuel is injected into the compressed intake air within the combustion chamber. Among a number of considerations, the injection should be timed to allow the fuel to be ignited and combusted to drive the power stroke.

[0038] Referring to FIGS. 1 a and 1 b , an annular glow member 54 is shown, which is connected to a ...

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PUM

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Abstract

A glow member, preferably in the shape of a ring, assists ignition and combustion of a fuel used in an internal combustion engine. A fuel injection valve injects a plurality of fuel jets directly into a combustion chamber during operation of the engine so that the fuel jets are aimed to the proximity of the glow member such that ignition of fuel in each fuel jet is assisted by the glow member. The glow member is made from high temperature materials and can include catalytic materials to further promote combustion. The glow member can be actively heated, for example by an electric current, in addition to being passively heated by the heat generated within the combustion chamber by the combustion of the fuel therein.

Description

technical field [0001] The present disclosure relates to an apparatus for assisting the ignition and combustion of fuel used to drive an internal combustion engine. Background technique [0002] Fuels in place of diesel, including gaseous fuels, such as natural gas, hydrogen, ethane, and such gaseous fuels, provide considerable reductions in pollutant emissions when used to power an internal combustion engine compared to the same engine fueled by diesel mixture. When gaseous fuel is used as fuel for diesel engines, pollutants such as nitrogen oxides (NO X ), particulate matter (PM) and carbon dioxide (CO 2 ) can be reduced by an amount that depends on the fuel selected among other variables. Furthermore, diesel engines can be fueled with gaseous fuels and still maintain the performance obtained when using diesel fuel. For example, gaseous fuel injected directly into the combustion chamber of a diesel engine at high pressure can deliver performance comparable to feeding d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02P19/02F02M21/02F23Q7/00F02B3/06F02B9/06F02B23/06F02B43/04F02D41/00F02D41/40F02M57/00F02M61/18F02P19/00
CPCF02M21/029F02B23/0669F02M21/0275F02B23/0651F02D41/0027F02B3/06Y02T10/123F02B23/0696Y02T10/125F02B23/0621F02B2275/14Y02T10/32F02D41/402F02M21/0215F02B23/0654F02B2023/0606F02B43/04F02M57/00F02P19/02F02P19/00F02M61/1806Y02T10/12Y02T10/30F02M21/02
Inventor 菲利普·G·希尔李国伟艾伦·B·韦尔奇马克·E·邓恩张德虹
Owner WESTPORT POWER
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