CN107989718A - The engine block of the double injections of cold water mix inside and outside a kind of cylinder - Google Patents
The engine block of the double injections of cold water mix inside and outside a kind of cylinder Download PDFInfo
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- CN107989718A CN107989718A CN201711145452.9A CN201711145452A CN107989718A CN 107989718 A CN107989718 A CN 107989718A CN 201711145452 A CN201711145452 A CN 201711145452A CN 107989718 A CN107989718 A CN 107989718A
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Classifications
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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
- F02M25/025—Adding water
- F02M25/028—Adding water into the charge intakes
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- 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
- F02D19/12—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 non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel
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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
-
- 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
- F02M25/0227—Control aspects; Arrangement of sensors; Diagnostics; Actuators
-
- 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
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Fuel-Injection Apparatus (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The present invention relates to a kind of engine blocks of the double injections of cold water mix inside and outside cylinder, including diesel-engine body, inlet manifold and exhaust manifold, fuel injector, the in-cylinder water injection device being arranged in diesel-engine body, the high-pressure hydraulic pump unit being connected with in-cylinder water injection device, be arranged on water jet outside the cylinder in inlet manifold, the low-pressure pump unit being connected with water jet outside cylinder, respectively with water jet and low-pressure pump unit are electrically connected outside fuel injector, in-cylinder water injection device, high-pressure hydraulic pump unit, cylinder electronic controller.Compared with prior art, the present invention absorbs heat using the cold water sprayed into cylinder, reduces temperature of the combustion top dead center nearby in cylinder, reduces NOxDischarge, while as extra working medium, significantly improve the thermal efficiency of diesel engine;In addition, spraying water in inlet manifold, with the evaporation endothermic of water, the gas temperature of cylinder is lowered into, increases density of the induced air, increases coefficient of charge, improves diesel engine power per liter, improves dynamic property.
Description
Technical field
The invention belongs to technical field of internal combustion engines, is related to a kind of double engine blocks sprayed of cold water mix inside and outside cylinder.
Background technology
The fast development of automotive engineering brings huge facility to human society, while also brings the energy, environment
The series of negative such as pollution influence.The problems of energy consumption of motor vehicle receives significant attention, and oil consumption is also more tight with discharge standard
Lattice.Energy-saving and emission-reduction also become the main melody of motor vehicle industry development.
In order to further improve motor vehicle work efficiency, reduce energy consumption, be currently suggested supercharging of internal combustion engine with it is small-sized
Change technology.Internal combustion engine miniaturization technology can often use the load of operating mode with increasing combustion engine, reduce pumping loss, improve fuel-economy
Property.And supercharging technology can make up the shortcomings that dynamic property caused by being minimized due to internal combustion engine is insufficient.But small displacement supercharged diesel
The thermal efficiency of machine is subject to NOxThe limitation of discharge, in order to make full use of the potentiality of small displacement supercharged diesel engine, water-jet technology meet the tendency of and
It is raw.Its feature is to absorb heat using the cold water sprayed into cylinder, so as to reduce temperature, reduces NOxDischarge, can be further
The Diesel Engine Parameters including such as compression ratio are improved, improve the thermal efficiency.In-cylinder water injection technology has obtained academia and industrial quarters
Extensive concern, such as German BMW group, group of German Bosch, Hyundai automobile group and Toyota Motor group exist
Interior Duo Jia research institutions all start to optimize research to in-cylinder water injection technology.But conventional technical research is confined to only
In in-cylinder water injection, the diesel engine thermal efficiency is limited, power per liter further improves.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind can improve diesel oil
The machine thermal efficiency, power per liter, and can effectively reduce diesel engine NOxThe engine block of the double injections of cold water mix inside and outside the cylinder of discharge.
The purpose of the present invention can be achieved through the following technical solutions:
The engine block of the double injections of cold water mix, the structure include diesel-engine body, are arranged on diesel oil inside and outside a kind of cylinder
Inlet manifold and exhaust manifold, fuel injector on machine body, the in-cylinder water injection device and in-cylinder water injection being arranged in diesel-engine body
High-pressure hydraulic pump unit that device is connected, be arranged on the water jet cylinder in inlet manifold Wai, the low pressure being connected with the outer water jet of cylinder
Pump unit, be electrically connected with water jet and low-pressure pump unit outside fuel injector, in-cylinder water injection device, high-pressure hydraulic pump unit, cylinder respectively
Electronic controller.
The low-pressure pump unit includes water tank, the low-pressure pump being arranged in water tank, is connected with low-pressure pump
Low pressure water rail, the first low pressure water pipe that low pressure water rail is connected with water jet outside cylinder.
The water inlet of the outer water jet of the cylinder is connected by the first low pressure water pipe with low pressure water rail, and the outer water jet of cylinder returns
The mouth of a river is connected by the second low pressure water pipe with low-pressure pump.
Hydraulic pressure is added to 0.3-1MPa and is delivered to low pressure water rail again by the low-pressure pump.
The high-pressure hydraulic pump unit includes the high-pressure hydraulic pump being connected with low-pressure pump, the height being connected with high-pressure hydraulic pump
Press water rail, the first high-pressure water pipe that high pressure water rail is connected with in-cylinder water injection device.
The water inlet of the in-cylinder water injection device is connected by the first high-pressure water pipe with high pressure water rail, and in-cylinder water injection device returns
The mouth of a river is connected by the second high-pressure water pipe with high-pressure hydraulic pump.
Water is forced into after 35MPa and is delivered to high pressure water rail again by the high-pressure hydraulic pump.
The bent axle of the diesel engine is equipped with the speed probe being electrically connected with electronic controller.
In the operating condition, the speed probe can monitor the rotating speed of diesel engine in real time, and feed data back to
In electronic controller.
The tank gage being electrically connected with electronic controller is equipped with the water tank.
In the operating condition, the tank gage monitors the liquid level in water tank in real time, judges surplus water, and immediate feedback
It to electronic controller, when the liquid level in water tank is less than preset value, will alarm, water required supplementation with prompting, is avoided the occurrence of
Store up hydropenic situation.
With being equipped with pressure maintaining valve on low pressure water rail, pressure maintaining valve can be controlled hydraulic pressure the high pressure water rail, make water
Pressure ensures job stability in suitable scope.
The pressure maintaining valve is equipped with overflow pipe, which is equipped with overflow valve, inside the overflow pipe and water tank
It is connected.After setting a constant pressure to pressure maintaining valve, the hydraulic pressure of output just will not change, if hydraulic pressure is excessive in pressure maintaining valve,
Overflow valve is opened, and unnecessary water is just flow back into water tank through overflow pipe, can either play the role of fast and stable hydraulic pressure, at the same time also
It is avoided that the waste of water.
The electronic controller is according to calibration MAP chart (igniting, oil spout, spray of the engine under various operating modes of storage
The controlling curve figure such as water, is known as MAP chart) water spray in master cylinder, outside cylinder, it is internally provided with in-cylinder water injection amount-speed diagram, outside cylinder
Water spray-speed diagram, in-cylinder water injection amount-torque diagram, water spray-speed diagram inside and outside cylinder.Specific control strategy and signal touch
The principle of hair is similar to the Injection Control principle of diesel engine.
In practical application, a part of water is delivered in low pressure water rail by the low-pressure pump in water tank, and it is stored in low pressure
In water rail, water is delivered to water jet outside cylinder by low pressure water rail by the first low pressure water pipe;Another part water is delivered to high-pressure hydraulic pump,
Water pressurized delivered into high pressure water rail, and is stored in high pressure water rail by subsequent high-pressure hydraulic pump, and high pressure water rail passes through the first high pressure
Water is delivered to in-cylinder water injection device by water pipe, electronic controller controlled according to the calibration MAP chart of storage spray into cylinder of diesel engine body and
Water spray in inlet manifold.
Compared with prior art, the invention has the characteristics that:
1) two water jets are set in the cylinder of diesel engine and at inlet manifold, can reach while improve dynamic property, warp
The purpose of Ji property and emission performance;
2) heat is absorbed using the cold water sprayed into cylinder, so as to reduce temperature of the combustion top dead center nearby in cylinder, reduces NOx
Discharge, while as extra working medium, improve the thermal efficiency of diesel engine, improve fuel consumption and emission characteristic;
3) spray water in inlet manifold, with the evaporation endothermic of water, be lowered into the gas temperature of cylinder, increase density of the induced air,
Increase coefficient of charge, thus improve diesel engine power per liter, improve dynamic property;
4) monitoring in real time and control carry out diesel engine by electronic controller, to adjust water spray moment and water spray, and
Water spray is adapted with the specific operating mode of diesel engine, and then improve the thermal efficiency of diesel engine, power per liter, there is application well
Prospect.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the engine block of the double injections of cold water mix inside and outside cylinder of the present invention;
Description of symbols in figure:
1- water tanks;2- low-pressure pumps;3- diesel-engine bodies;4- low pressure water rails;5- high-pressure hydraulic pumps;6- high pressure water rails;7- electricity
Sub-controller;The outer water jet of 8- cylinders;9- inlet manifold;10- in-cylinder water injection devices;11- fuel injectors;12- exhaust manifolds.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment:
As shown in Figure 1, inside and outside a kind of cylinder the double injections of cold water mix engine blocks, including diesel-engine body 3, be arranged on
Inlet manifold 9 and exhaust manifold 12, fuel injector 11 on diesel-engine body 3, the in-cylinder water injection device being arranged in diesel-engine body 3
10th, the high-pressure hydraulic pump unit being connected with in-cylinder water injection device 10, the cylinder being arranged in inlet manifold 9 spray outside water jet 8 and cylinder outside
Low-pressure pump unit that hydrophone 8 is connected, respectively with water jet outside fuel injector 11, in-cylinder water injection device 10, high-pressure hydraulic pump unit, cylinder
8 and low-pressure pump unit be electrically connected electronic controller 7.The bent axle of diesel engine is equipped with turn being electrically connected with electronic controller 7
Fast sensor.In the operating condition, speed probe can monitor the rotating speed of diesel engine in real time, and feed data back to electronics control
In device 7 processed.The tank gage being electrically connected with electronic controller 7 is equipped with water tank 1.In the operating condition, tank gage monitors water in real time
Liquid level in case 1, judges surplus water, and immediate feedback is to electronic controller 7, when the liquid level in water tank 1 is less than preset value,
It will alarm, water required supplementation with prompting, avoid the occurrence of the hydropenic situation of storage.
Wherein, low-pressure pump unit includes water tank 1, the low-pressure pump 2 being arranged in water tank 1, is connected with low-pressure pump 2
Low pressure water rail 4, the first low pressure water pipe that low pressure water rail 4 is connected with water jet outside cylinder 8.The water inlet of the outer water jet 8 of cylinder
It is connected by the first low pressure water pipe with low pressure water rail 4, the water return outlet of the outer water jet 8 of cylinder passes through the second low pressure water pipe and low-pressure pump
2 connections.Hydraulic pressure is added to 0.3-1MPa and is delivered to low pressure water rail 4 again by low-pressure pump 2.
High-pressure hydraulic pump unit includes the high-pressure hydraulic pump 5 being connected with low-pressure pump 2, the high pressure being connected with high-pressure hydraulic pump 5
Water rail 6, the first high-pressure water pipe that high pressure water rail 6 is connected with in-cylinder water injection device 10.The water inlet of in-cylinder water injection device 10 passes through
First high-pressure water pipe is connected with high pressure water rail 6, and the water return outlet of in-cylinder water injection device 10 is connected by the second high-pressure water pipe and high-pressure hydraulic pump 5
Connect.Water is forced into after 35MPa and is delivered to high pressure water rail 6 again by high-pressure hydraulic pump 5.
In practical structures design, for high pressure water rail 6 with being equipped with pressure maintaining valve on low pressure water rail 4, pressure maintaining valve can be to hydraulic pressure
It is controlled, hydraulic pressure is in suitable scope, ensures job stability.Pressure maintaining valve is equipped with overflow pipe, on the overflow pipe
Equipped with overflow valve, overflow pipe inside water tank 1 with being connected.After setting a constant pressure to pressure maintaining valve, the hydraulic pressure of output is just
It will not change, if hydraulic pressure is excessive in pressure maintaining valve, overflow valve is opened, and unnecessary water is just flow back into water tank 1 through overflow pipe, can either
Play the role of fast and stable hydraulic pressure, while be also avoided that the waste of water.
In calibration MAP chart master cylinder of the electronic controller 7 according to storage, the water spray outside cylinder, be internally provided with in-cylinder water injection
Outer water spray-the speed diagram of amount-speed diagram, cylinder, in-cylinder water injection amount-torque diagram, water spray-speed diagram inside and outside cylinder.Specific control
Strategy and the principle of signal triggering are similar to the Injection Control principle of diesel engine.
In practical application, a part of water is delivered in low pressure water rail 4 by the low-pressure pump 2 in water tank 1, and it is stored in low
Press in water rail 4, water is delivered to water jet 8 outside cylinder by low pressure water rail 4 by the first low pressure water pipe;Another part water is delivered to high pressure
Water pressurized delivered into high pressure water rail 6, and is stored in high pressure water rail 6 by water pump 5, subsequent high-pressure hydraulic pump 5, and high pressure water rail 6 is logical
Cross the first high-pressure water pipe and water is delivered to in-cylinder water injection device 10, electronic controller 7 controls according to the calibration MAP chart of storage and sprays into bavin
Water spray in oil machine cylinder body and in inlet manifold.
The engine block of the double injections of cold water mix absorbs heat using the cold water sprayed into cylinder inside and outside the present embodiment cylinder, from
And the temperature near combustion top dead center in cylinder is reduced, reduce NOxDischarge;At the same time as extra working medium, diesel oil is significantly improved
The thermal efficiency of machine, improves fuel consumption and emission characteristic.In addition, spray water in inlet manifold, with the evaporation endothermic of water, reduce into
Enter the gas temperature of cylinder, increase density of the induced air, increase coefficient of charge, thus significantly improve diesel engine power per liter, improve power
Property.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously easily can make these embodiments various modifications, and described herein general
Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel disclose according to the present invention, do not depart from improvement that scope made and modification all should be the present invention's
Within protection domain.
Claims (9)
1. the engine block of the double injections of cold water mix inside and outside a kind of cylinder, it is characterised in that the structure includes diesel-engine body
(3), the inlet manifold (9) and exhaust manifold (12) that are arranged on diesel-engine body (3), fuel injector (11), be arranged on diesel engine
In-cylinder water injection device (10) in body (3), the high-pressure hydraulic pump unit being connected with in-cylinder water injection device (10), be arranged on inlet manifold
(9) the outer water jet (8) of cylinder in, with the cylinder low-pressure pump unit that water jet (8) is connected outside, respectively with fuel injector (11), cylinder
The electronic controller (7) that interior water jet (10), high-pressure hydraulic pump unit, the outer water jet (8) of cylinder and low-pressure pump unit are electrically connected.
2. the engine block of the double injections of cold water mix inside and outside a kind of cylinder according to claim 1, it is characterised in that described
Low-pressure pump unit include water tank (1), the low-pressure pump (2) being arranged in water tank (1), be connected with low-pressure pump (2)
Low pressure water rail (4), the first low pressure water pipe that low pressure water rail (4) is connected with the outer water jet (8) of cylinder.
3. the engine block of the double injections of cold water mix inside and outside a kind of cylinder according to claim 2, it is characterised in that described
The water inlet of the outer water jet (8) of cylinder be connected by the first low pressure water pipe with low pressure water rail (4), the backwater of cylinder water jet (8) outside
Mouth is connected by the second low pressure water pipe with low-pressure pump (2).
4. the engine block of the double injections of cold water mix inside and outside a kind of cylinder according to claim 3, it is characterised in that described
Low-pressure pump (2) hydraulic pressure added into 0.3-1MPa be delivered to low pressure water rail (4) again.
5. the engine block of the double injections of cold water mix inside and outside a kind of cylinder according to claim 2, it is characterised in that described
The high-pressure hydraulic pump unit high-pressure hydraulic pump (5) for including being connected with low-pressure pump (2), the high pressure that is connected with high-pressure hydraulic pump (5)
Water rail (6), the first high-pressure water pipe that high pressure water rail (6) is connected with in-cylinder water injection device (10).
6. the engine block of the double injections of cold water mix inside and outside a kind of cylinder according to claim 5, it is characterised in that described
The water inlet of in-cylinder water injection device (10) be connected by the first high-pressure water pipe with high pressure water rail (6), in-cylinder water injection device (10) returns
The mouth of a river is connected by the second high-pressure water pipe with high-pressure hydraulic pump (5).
7. the engine block of the double injections of cold water mix inside and outside a kind of cylinder according to claim 6, it is characterised in that described
High-pressure hydraulic pump (5) water be forced into after 35MPa be delivered to high pressure water rail (6) again.
8. the engine block of the double injections of cold water mix, its feature inside and outside a kind of cylinder according to any one of claims 1 to 7
It is, the bent axle of the diesel engine is equipped with the speed probe being electrically connected with electronic controller (7).
9. the engine block of the double injections of cold water mix inside and outside a kind of cylinder according to claim 8, it is characterised in that described
Water tank (1) in be equipped with the tank gage that is electrically connected with electronic controller (7).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2017108013041 | 2017-09-07 | ||
CN201710801304 | 2017-09-07 |
Publications (1)
Publication Number | Publication Date |
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CN107989718A true CN107989718A (en) | 2018-05-04 |
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CN201711145452.9A Pending CN107989718A (en) | 2017-09-07 | 2017-11-17 | The engine block of the double injections of cold water mix inside and outside a kind of cylinder |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108869105A (en) * | 2018-06-21 | 2018-11-23 | 浙江吉利控股集团有限公司 | A kind of engine water injection system |
CN111963343A (en) * | 2020-07-17 | 2020-11-20 | 南京航空航天大学 | Novel heavy oil watering device and working method |
CN114412634A (en) * | 2021-12-24 | 2022-04-29 | 中国北方发动机研究所(天津) | Device for improving heat efficiency of engine and reducing heat load |
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CN102459842A (en) * | 2009-06-04 | 2012-05-16 | 乔纳森·杰伊·范斯坦 | Internal combustion engine |
WO2014206892A1 (en) * | 2013-06-28 | 2014-12-31 | Robert Bosch Gmbh | Apparatus and method for reducing the pollutants and/or fuel consumption of an internal combustion engine |
US9291125B2 (en) * | 2011-04-22 | 2016-03-22 | Kawasaki Jukogyo Kabushiki Kaisha | Gas engine, control system and control method for gas engine |
CN105569864A (en) * | 2014-11-04 | 2016-05-11 | 宝马股份公司 | Method for controlling combustion in an internal combustion engine and the internal combustion engine |
CN106870207A (en) * | 2015-10-19 | 2017-06-20 | 罗伯特·博世有限公司 | Supply equipment and control electric pump supply water and spray into the method and apparatus of engine chamber |
-
2017
- 2017-11-17 CN CN201711145452.9A patent/CN107989718A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102459842A (en) * | 2009-06-04 | 2012-05-16 | 乔纳森·杰伊·范斯坦 | Internal combustion engine |
US9291125B2 (en) * | 2011-04-22 | 2016-03-22 | Kawasaki Jukogyo Kabushiki Kaisha | Gas engine, control system and control method for gas engine |
WO2014206892A1 (en) * | 2013-06-28 | 2014-12-31 | Robert Bosch Gmbh | Apparatus and method for reducing the pollutants and/or fuel consumption of an internal combustion engine |
CN105569864A (en) * | 2014-11-04 | 2016-05-11 | 宝马股份公司 | Method for controlling combustion in an internal combustion engine and the internal combustion engine |
CN106870207A (en) * | 2015-10-19 | 2017-06-20 | 罗伯特·博世有限公司 | Supply equipment and control electric pump supply water and spray into the method and apparatus of engine chamber |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108869105A (en) * | 2018-06-21 | 2018-11-23 | 浙江吉利控股集团有限公司 | A kind of engine water injection system |
CN111963343A (en) * | 2020-07-17 | 2020-11-20 | 南京航空航天大学 | Novel heavy oil watering device and working method |
CN114412634A (en) * | 2021-12-24 | 2022-04-29 | 中国北方发动机研究所(天津) | Device for improving heat efficiency of engine and reducing heat load |
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Application publication date: 20180504 |