CN103321760B - For the method for operating stroke piston internal combustion engine - Google Patents

For the method for operating stroke piston internal combustion engine Download PDF

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Publication number
CN103321760B
CN103321760B CN201310089825.0A CN201310089825A CN103321760B CN 103321760 B CN103321760 B CN 103321760B CN 201310089825 A CN201310089825 A CN 201310089825A CN 103321760 B CN103321760 B CN 103321760B
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Prior art keywords
combustion chamber
additive fluid
combustion
injected
reciprocating
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CN103321760A (en
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G.多姆贝格尔
P.亨申
I.维尔克
S.孔克尔
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MAN Energy Solutions SE
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MAN Diesel and Turbo SE
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022—Adding fuel and water emulsion, water or steam
    • F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
    • F02M25/0225—Water atomisers or mixers, e.g. using ultrasonic waves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022—Adding fuel and water emulsion, water or steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/3094—Controlling fuel injection the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F02D19/021—Control of components of the fuel supply system
    • F02D19/023—Control of components of the fuel supply system to adjust the fuel mass or volume flow
    • F02D19/024—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
    • F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/10—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D21/00—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
    • F02D21/06—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air
    • F02D21/08—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air the other gas being the exhaust gas of engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/405—Multiple injections with post injections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248—Injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022—Adding fuel and water emulsion, water or steam
    • F02M25/025—Adding water
    • F02M25/03—Adding water into the cylinder or the pre-combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/04—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by adding non-fuel substances to combustion air or fuel, e.g. additives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
    • F02B23/0621—Squish flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Abstract

For running a kind of reciprocating IC engine（1）Method, the reciprocating IC engine have at least one combustion cylinder（10）, being accommodated in the combustion cylinder can point-blank in top dead centre（OT）And lower dead center（UT）Between move reciprocating-piston（20）, wherein, methods described has：Fuel and combustion air are incorporated into the combustion chamber of combustion cylinder（13）In, it is used to the burning by the fuel and combustion air to realize the expansion stroke of reciprocating-piston, and by additive fluid（ZF）It is incorporated into combustion chamber, is used to influence the burning using the additive fluid.For the optimal burning in the combustion chamber for realizing combustion cylinder, the additive fluid and fuel and combustion air are dividually directly injected in combustion chamber.

Description

For the method for operating stroke piston internal combustion engine
Technical field
The present invention relates to a kind of method for operating stroke piston internal combustion engine, the reciprocating IC engine has at least one Individual combustion cylinder, accommodates the reciprocating-piston that point-blank can be moved between top dead centre and lower dead center in the combustion cylinder. Wherein, methods described has：Fuel and combustion air are incorporated into the combustion chamber of combustion cylinder, be used to by the fuel and The expansion stroke of reciprocating-piston is realized in the burning of combustion air, and additive fluid is incorporated into combustion chamber, is used to utilize The additive fluid influences the burning.
Background technology
Start the method for the type for example from disclosed in the A1 of DE 10 2,006 054 227.
The content of the invention
Task of the invention is to propose a kind of method for operating stroke piston internal combustion engine such that it is able to realized The burning of the optimization in the combustion chamber of combustion cylinder.The reciprocating IC engine has at least one combustion cylinder, in the burning The reciprocating-piston that point-blank can be moved between top dead centre and lower dead center is accommodate in cylinder, wherein, methods described has：Will Fuel and combustion air are incorporated into the combustion chamber of combustion cylinder, are used to be realized by the burning of the fuel and combustion air The expansion stroke of reciprocating-piston, and additive fluid is incorporated into combustion chamber, it is used to using the additive fluid to influence State burning.
The task is realized using the method according to the invention.Improvement project of the invention is limited in a preferred embodiment. According to the invention it is proposed that a kind of for running a kind of method of reciprocating IC engine, the reciprocating IC engine has At least one combustion cylinder, in the combustion cylinder accommodate can point-blank between top dead centre and lower dead center move it is reciprocal Piston, wherein, methods described has：Fuel and combustion air are incorporated into the combustion chamber of combustion cylinder, are used to by described The expansion stroke of reciprocating-piston is realized in the burning of fuel and combustion air, and additive fluid is incorporated into combustion chamber, is used To influence the burning using the additive fluid, it is characterised in that by the additive fluid and fuel and combustion air point Turn up the soil and be directly injected in combustion chamber, wherein, when reciprocating-piston is located at lower, additive fluid is injected to burning In room.
According to the present invention it is proposed that a kind of method for operating stroke piston internal combustion engine, the reciprocating IC engine has At least one combustion cylinder, accommodate in the combustion cylinder can point-blank between top dead centre and lower dead center move it is reciprocal Piston, wherein, the method has steps of：Fuel and combustion air are incorporated into the combustion chamber of combustion cylinder, are used to lead to The burning of the fuel and combustion air is crossed to realize the expansion stroke of reciprocating-piston；And fuel and combustion-supporting will be preferably different from The additive fluid of air is incorporated into combustion chamber, is used to influence the burning using the additive fluid.Side of the invention The characteristics of method is dividually directly to be injected in combustion chamber additive fluid and fuel and combustion air.
Because the additive fluid and fuel and combustion air are dividually directly injected in combustion chamber, it is placed to combustion Burn the ignition time point of the mixture that the process in room can be formed independently of combustion process and/or by fuel and combustion air Be controlled, and therefore most preferably with need to realize matching the influence burnt.
Can be before the mixture formed by fuel and combustion air burns, period using the method according to the invention And/or additive fluid is directly injected to or be injected in combustion chamber afterwards.Thus can realize neatly influenceing described Burning in the combustion chamber of combustion cylinder, and therefore can cause that preferably optimization is realized in burning.
A kind of implementation method of the invention, when reciprocating-piston is located at lower dead center（UT）When nearby, additive fluid is sprayed Enter in combustion chamber.It is preferred that when reciprocating-piston is located in lower dead center, additive fluid is injected in combustion chamber.
Another embodiment of the invention, selection is set directly at a top dead centre（OT）Lower dead center before is made It is the lower dead center for being injected to additive fluid in combustion chamber, wherein, the top dead centre is set directly at doing for reciprocating-piston Before work(stroke, that is to say, that selection is set directly at the igniting between the compression stroke and expansion stroke of reciprocating-piston Top dead centre（ZOT）Lower dead center before.
Another embodiment of the invention, is injected to water as additive fluid in combustion chamber.
It is directly injected into using this water（Water Direct Injection-WDI）Can reduce in the reciprocating-piston The discharge of poisonous waste of combustion engine, and realize that power is raised and pinking is minimized.Lower dead center before the igniting top dead centre In in the case where injecting or spraying into additive fluid with water as form, cool down and can improve by the evaporation of the water after compression The efficiency of the burning.
Another embodiment of the invention, the gas that will be difficult to light is incorporated into combustion chamber as fuel, its In, the gas that will easily light is injected in combustion chamber as additive fluid.
According to this design according to the method for the present invention, flammable preferably point easy in other words is sprayed into by additional The gas incendive in other words of combustion, can optimize the burning of the gas for being difficult to light in other words of flammable difference.
A kind of implementation method of the invention, additive fluid is injected in combustion chamber as follows so that its with enter into Point kerosene beam in combustion chamber, for lighting the mixture formed by fuel and combustion air or pre-burning naked light are mutually overlapped It is folded.
According to a kind of design according to the method for the present invention, the injection or penetrating of additive fluid can for example pass through Local enriching is supported to improve the combustibility of the mixture in other words by mixture that fuel and combustion air are formed.
Another embodiment of the invention, additive fluid is targetedly injected at least one of combustion chamber Crush zone（Quetschzone）In.
（For example at the piston body of reciprocating-piston）Crush zone or extruding margin are used to for example making by fuel and combustion-supporting The mixture that air is formed eddies in a combustion chamber.Crush zone is such a region, in this region due to past resurrection The cylinder cover near combustion cylinder is filled in, the extruding of the mixture just occurs, it is possible thereby to make the region partially or completely Ground excludes burning.
It is described by increase during additive fluid targetedly is injected into certain combustion chamber, such as preferred crush zone Effective combustion chamber is achieved that more preferable conversion ratio, and it is achieved that burning or reciprocating IC engine it is more preferable Efficiency, and the extra loading movement in combustion chamber is generated, and therefore reduce the nytron produced as waste gas Thing.
Another embodiment of the invention, will be difficult the gas lighted as additive fluid by fuel（It is preferred that High-quality and the fuel easily lighted）The period of lighting of the mixture formed with combustion air is injected in combustion chamber.
Therefore, according to this design according to the method for the present invention, can targetedly inject or spray into low The fuel of quality, this can aid in the operating cost for reducing reciprocating IC engine.
Another embodiment of the invention, selection is set directly at lower dead center after a top dead centre as being used for Additive fluid is injected to the lower dead center in combustion chamber, wherein, the top dead centre be set directly at reciprocating-piston expansion stroke it Before, that is to say, that selection is set directly at the lower dead center after igniting top dead centre.Here, it is preferred that by exhaust after-treatment agent, preferably Ammonia is injected in combustion chamber as additive fluid.
According to the design according to the method for the present invention, SCR can be cancelled（The catalysis reduction of selectivity- Selektive Katalytische Reduktion）- catalyst, it can be used for reducing the useless of the reciprocating IC engine Nitrogen oxides in gas, and/or cancel the mixing section before SCR- catalyst.This is for the exhaust after-treatment by means of additives Other forms it is also effective.
The present invention also clearly extends to such a implementation method, and it is not by by obvious claim adduction relationship The combinations of features of formation is given, therefore the feature of disclosure of the invention can arbitrarily be mutually combined, as long as it is technically Beneficial.
Brief description of the drawings
Below by way of preferred embodiment and being described in detail with reference to the accompanying drawings the present invention.
Fig. 1 shows the longitudinal cross-section view of the combustion cylinder of reciprocating IC engine；
Fig. 2 shows the viewgraph of cross-section of the combustion cylinder of the Fig. 1 observed along the straight line A-A in Fig. 1.
Reference numerals list：
1 reciprocating IC engine；
10 combustion cylinders；
11 cylinder covers；
12 fuel-combustion air-feeding mechanism；
13 combustion chambers；
13.1 crush zones；
14 additive fluid feeders；
20 reciprocating-pistons；
20.1 are located at the reciprocating-piston in top dead centre；
20.2 are located at the reciprocating-piston in lower dead center；
ZF additive fluids；
OT top dead centres；
UT lower dead center.
Specific embodiment
As visible from Fig. 1 and Fig. 2, reciprocating IC engine of the invention 1（It is not completely shown）Example The Diesel engine or petrol engine worked with 2- stroke procedures or with 4- stroke procedures can be such as designed to, it has at least One combustion cylinder 10, being accommodated in the combustion cylinder can point-blank in top dead centre OT（Extraly with the past resurrection of 20.1 marks Plug）With lower dead center UT（With the reciprocating-piston of 20.2 marks）Between move reciprocating-piston 20.
The combustion cylinder 10 has cylinder cover 11, and fuel-combustion air-feeding mechanism 12 is accommodated in the cylinder cover, leads to Crossing the fuel-combustion air-feeding mechanism can be incorporated into the combustion chamber 13 of combustion cylinder 10 fuel and combustion air.
Fuel-combustion air-the feeding mechanism 12 can for example have a fuel nozzle and one or more air intakes Valve.
Additionally, a kind of additive fluid feeder 14 is also hold in the cylinder cover 11 of combustion cylinder 10, it is attached by this Plus additive fluid ZF and fuel and combustion air can be separately introduced into fluid blast device the combustion chamber of combustion cylinder 10 In 13.
Additive fluid feeder 14 can for example have nozzle, and in order to reequip common reciprocating IC engine, Can for example be arranged in set by the outlet valve, opening of cylinder cover 11 or passage.
1 and 2 is of the invention for running the method for the reciprocating IC engine 1 to describe with reference to the accompanying drawings Implementation method.
According to the present invention, the method for running the reciprocating IC engine 1 at least has the following steps：By means of combustion Be incorporated into the combustion chamber 13 of combustion cylinder 10 for fuel and combustion air by material-combustion air-feeding mechanism 12, is used to by combustion Material realizes the expansion stroke of reciprocating-piston 20 with the burning of combustion air, and will be excellent by means of additive fluid feeder 14 Choosing is incorporated into combustion chamber 13 different from the additive fluid ZF of fuel and combustion air, is used to be influenceed using additive fluid ZF The burning, wherein, additive fluid ZF and fuel and combustion air are dividually directly injected in combustion chamber 13.
According to a kind of implementation method according to the method for the present invention, when reciprocating-piston 20 is located near lower dead center UT, will Additive fluid ZF is injected in combustion chamber 13.Preferably, when reciprocating-piston 20（20.2）When in lower dead center UT, will be additional Fluid ZF is injected in combustion chamber 13.
According to the another embodiment according to the method for the present invention, selection is rushed located immediately at the compression in reciprocating-piston 20 Igniting OT between journey and expansion stroke（The top dead centre of OT- reciprocating-pistons 20）Lower dead center UT before, is used as to combustion chamber The lower dead center UT of the additive fluid ZF is sprayed into 13.
According to a kind of implementation method according to the method for the present invention, before the igniting OT of reciprocating-piston 20 In lower dead center UT（Or in the lower）It is injected to water as additive fluid ZF in combustion chamber 13.
According to a kind of interchangeable implementation method according to the method for the present invention, the gas that will be difficult to light draws as fuel Enter in combustion chamber 13, wherein, such as in the lower dead center UT before located immediately at the igniting OT of reciprocating-piston 20（Or under this Near stop）The gas for being possible to easily light is injected in combustion chamber 13 as additive fluid ZF.
According to a kind of implementation method according to the method for the present invention, additive fluid ZF is so injected in combustion chamber 13, So that its with enter into point kerosene beam in combustion chamber 13, for lighting the mixture formed by fuel and combustion air or Pre-burning naked light（It is not shown）Overlap.
According to a kind of implementation method according to the method for the present invention, additive fluid ZF is targetedly injected to combustion chamber In 13 at least one crush zone 13.1.
According to a kind of interchangeable implementation method according to the method for the present invention, the gas lighted as additional streams will be difficult Body ZF is by fuel（It is preferred that high-quality and inflammable fuel）The period of lighting of the mixture formed with combustion air sprays into To in combustion chamber 13.
According to another interchangeable implementation method according to the method for the present invention, selection is located immediately at after the OT that lights a fire Lower dead center UT as the lower dead center UT that additive fluid ZF is sprayed into combustion chamber 13, wherein, preferably by exhaust after-treatment Agent, for example preferred ammonia are injected in combustion chamber 13 as additive fluid ZF.According to the present invention it is also contemplated that other waste gas Post-treatment agent.

Claims (10)

1. it is used to run a kind of reciprocating IC engine（1）Method, the reciprocating IC engine have at least one burning Cylinder（10）, being accommodated in the combustion cylinder can point-blank in top dead centre（OT）And lower dead center（UT）Between move it is reciprocal Piston（20）, wherein, methods described has：
Fuel and combustion air are incorporated into combustion cylinder（10）Combustion chamber（13）In, it is used to by the fuel and combustion-supporting sky Reciprocating-piston is realized in the burning of gas（20）Expansion stroke, and
By additive fluid（ZF）It is incorporated into combustion chamber（13）In, it is used to using the additive fluid（ZF）To influence the burning,
Characterized in that, by the additive fluid（ZF）Combustion chamber is dividually directly injected to fuel and combustion air（13） In, wherein, work as reciprocating-piston（20）Positioned at lower dead center（UT）When nearby, by additive fluid（ZF）It is injected to combustion chamber（13）In.
2. the method as described in claim 1, wherein, work as reciprocating-piston（20）Positioned at lower dead center（UT）When middle, by additive fluid （ZF）It is injected to combustion chamber（13）In.
3. the method as described in claim 1 or 2, wherein, select located immediately at a top dead centre（OT）Lower dead center before（UT） As for by additive fluid（ZF）It is injected to combustion chamber（13）In lower dead center（UT）, wherein, the top dead centre located immediately at Reciprocating-piston（20）Expansion stroke before.
4. the method as described in claim 3, wherein, using water as additive fluid（ZF）It is injected to combustion chamber（13）In.
5. the method as described in claim 3, wherein, the gas that will be difficult to light is incorporated into combustion chamber as fuel（13）In, And the gas that will easily light is used as additive fluid（ZF）It is injected to combustion chamber（13）In.
6. the method as described in claim 1 or 2, wherein, by the additive fluid（ZF）So it is injected to combustion chamber（13）In, So that the additive fluid with enter into combustion chamber（13）In for lighting the mixture formed by fuel and combustion air And the point kerosene beam or pre-burning naked light for setting overlap.
7. the method as described in claim 1 or 2, wherein, by the additive fluid（ZF）Targetedly it is injected to combustion chamber （13）At least one crush zone（13.1）In.
8. the method as described in claim 1, wherein, the gas lighted as additive fluid will be difficult（ZF）Lighting by fuel Combustion chamber is injected to during the mixture formed with combustion air（13）In.
9. the method as described in claim 1, wherein, selection is set directly at a top dead centre（OT）Lower dead center afterwards（UT）Make It is for by additive fluid（ZF）It is injected to combustion chamber（13）In lower dead center（UT）, wherein, the top dead centre is located immediately at past Bring back to life plug（20）Expansion stroke before, and wherein using exhaust after-treatment agent as additive fluid（ZF）It is injected to combustion chamber （13）In.
10. the method as described in claim 9, wherein, the exhaust after-treatment agent is ammonia.
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