CN106150676B - A kind of small displacement turbocharged engine - Google Patents
A kind of small displacement turbocharged engine Download PDFInfo
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- CN106150676B CN106150676B CN201510188466.3A CN201510188466A CN106150676B CN 106150676 B CN106150676 B CN 106150676B CN 201510188466 A CN201510188466 A CN 201510188466A CN 106150676 B CN106150676 B CN 106150676B
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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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Abstract
The present invention provides a kind of small displacement turbocharged engines, it has the turbo charge system using motor driven exhaust gas by-pass valve, cylinder block and head separate type cooling system, single cylinder duel fuel injector system and middle intake and exhaust continuous variable valve timing system, the characteristics of engine with supercharger of the invention has oil consumption small, powerful.
Description
Technical field
The present invention relates to engine art, specifically, the present invention relates to a kind of small displacement turbocharged engines, such as
1.5L discharge capacity is hereinafter, the preferably turbocharged engine of 1.0L.
Background technique
It shows according to the annual production and marketing information of middle vapour association publication, after sales volume head in 2012 surpasses 15,000,000, multiplies within 2013
Reach 1792.89 ten thousand with vehicle sales volume, increases by 15.7% on a year-on-year basis.Passenger car energy conservation to mitigate energy and environment pressure meaning very
It is great.In this context, government department has put into effect automobile fuel ecomomy regulation and and the measures such as property tax excitation has been taken constantly to push away
It works into vehicle energy saving.Wherein, phase III oil consumption limit value comes into effect on July 1st, 2012, and automobile fuel consumption is required compared with the
Two-stage decline 20%.Fourth stage (2016~the year two thousand twenty) fuel economy regulation is also substantially clear: the year two thousand twenty enterprise average fuel consumption target
It is up to 5.0L/100 km.High energy efficiency is developed, the small displacement engine of low oil consumption is particularly important.
It is at present new natural aspirated engine by a engine listed that Shanghai GM is developed, using can
Become inlet manifold, intake and exhaust continuous and variable gas distribution phase techniques, while there is the large torque of speed end and low speed end, power performance
It is outstanding.Meet Chinese phase III emission request simultaneously.The engine has been widely used for several money masters of Shanghai GM at present
Power vehicle.
In view of these vehicles future the replacement and meet the needs of fourth stage fuel economy regulation, need to develop a small
Displacement energy-saving engine, to replace the naturally aspirated engine of 1.5L or following discharge capacity.The power of the small displacement engine simultaneously
Existing 1.5L engine should be surmounted with torque, bring better power output for upgrading products, and have the ability to expand to SUV or across
Boundary's vehicle etc. requires higher vehicle application for power performance.There is data to suggest that improve the fuel oil of naturally aspirated engine warp
Ji property, small displacement turbocharged engine is a kind of higher approach of input-output ratio.Turbocharger is discharged using engine
Exhaust gas inertia impulsive force push the indoor turbine of turbine, turbine drives coaxial impeller again, impeller force feed is by air cleaner
The air that pipeline is sent is allowed to pressurization and enters cylinder.The pressure and density of air increase more fuel that can burn, and make
It burns more abundant, the output power of engine can be increased by increaseing accordingly fuel quantity.The great advantage of turbocharger is energy
The power and torque of engine can be greatly improved not increasing engine displacement, it is however generally that, after installing booster additional
The power and torque of engine will increase 20% -40%.
Summary of the invention
The purpose of the present invention is to provide a kind of powerful and fuel-efficient small displacement turbocharged engines, are suitable for
Applied to compact-type automobile, entry level middle rank vehicle and small-sized SUV etc..
The present invention provides a kind of small displacement (1.5L and following discharge capacity) turbocharged engine, preferably 1.3L hereinafter,
For example, 1.0L, 1.1L, 1.2L etc., the specific engine features are as follows:
A kind of small displacement turbocharged engine comprising:
Combustion system comprising combustion chamber, air intake duct, exhaust duct;
Turbo charge system, the turbo charge system are connected to the exhaust duct, and the turbo charge system is equipped with useless
Gas by-passing valve, the exhaust gas by-pass valve are driven by motor, to adjust exhaust gas flux in response to the various operating conditions of engine;And
Cooling system, the cooling system include main thermostat, cylinder body, cylinder cover water jacket, secondary thermostat and radiator, cooling
Liquid is by the main thermostat, into the cylinder body and the cylinder cover water jacket, is then converged by the secondary thermostat into institute
Radiator is stated, the pair thermostat can adjust the coolant rate in the cylinder body.
Optionally, the engine further includes port fuel injection system, and the port fuel injection system includes
The engine operating state sensor and engine controller of fuel dispensing tube, the revolving speed for sensing engine and load,
Wherein the fuel dispensing tube is mounted on the cylinder cap of the engine, and corresponding to the every of the engine on the cylinder cap
A cylinder is provided with two air intake ducts and two corresponding inlet valves for conveying gas, wherein in each air intake duct
It is provided at corresponding inlet valve and keeps the fuel injector being connected to, and the engine control with the fuel dispensing tube
Device processed is configured to couple and communicate with the engine operating state sensor and the fuel injector to control the oil spout
The switch of device.
Optionally, the engine further includes middle intake and exhaust continuous variable valve timing system, the valve timing
System includes the CMPS Camshaft Position Sensor for being separately mounted to the camshaft cover of intake and exhaust valves and covering, and is mounted on institute
The hydraulic control valve and camshaft phase adjuster on camshaft one end are stated, car running computer can control institute according to engine operating condition
Hydraulic control valve is stated to push the camshaft phase adjuster, to optimize volumetric efficiency.
Optionally, the engine further includes low friction camshaft, is installed with rolling bearing on the low friction camshaft,
The rolling bearing is arranged for the radial force under bearing automobile timing system and valve spring-force driven dual.
Optionally, the engine further includes the lubricating oil pump of variable displacement, and the lubricating oil pump is mounted on oil sump, by chain
Wheel drive, the lubricating oil pump can the adjusting engine oil pressures of the operating condition according to locating for engine.
Optionally, the engine further includes roller rocker arms hydraulic tappet valve train.
Optionally, the cylinder cover water jacket is cross-flow head cooling jacket, and the cross-flow head cooling jacket includes phase
Intercommunicated upper layer water jacket and lower layer's water jacket, wherein engine coolant from the air inlet side water jacket of cylinder body flow upwardly into cylinder cap into
After the water jacket of gas side, it is divided into upper and lower two layers via the upper and lower layer water jacket respectively and laterally flows to exhaust side, finally in exhaust discrimination
Water outlet above pipe flows out after collecting.
Optionally, the engine further includes mechanical vacuum pump.
Optionally, the engine displacement is 1.0L.
Optionally, the engine includes three cylinders.
The beneficial effects of the present invention are: for the design requirement for reducing fuel oil consumption, brand-new design cooling system, cylinder body
Cooling and cylinder cap integrates exhaust manifold with cylinder cap separate type, is able to achieve rapid warming-up;Creative use motor driven exhaust gas bypass
Valve type turbocharger, reduces pumping loss;Using electromagnetic-valve control type two-stage variable oil pump, rolling bearing camshaft is past
It is again the design that lightweight etc. reduces frictional work;The control of intake and exhaust variable valve timing, optimizes chamber structure, uses simultaneously
Independent ignition module and Electronic Throttle Control, Optimal Control Strategy and efficiency of combustion significantly reduce oil consumption, sub-load ratio
Oil consumption is decreased to less than 370g/kw.h@2000
rpm,2bar.It is horizontal to reach domestically leading world-class economical engine, meets national every environmental protection and energy saving
The requirement of policy.
For the requirement for improving engine power performance, emphasis has redesigned the design of combustion system and cooling system, has made
With motor driven exhaust gas bypass valve type turbocharger, makes engine speed from 1700rpm to 4400rpm, can keep smooth
165NM large torque output.
Detailed description of the invention
Fig. 1 and Fig. 2 respectively illustrates the front view and dorsal view of engine according to the present invention;
Fig. 3 shows the perspective view of cast aluminium cylinder block;
Fig. 4 shows the perspective view of high efficiency combustion room;
Fig. 5 shows the perspective view of high-intensitive camshaft cover cap assembly;
Fig. 6 shows the perspective view of inlet manifold;
Fig. 7 shows the perspective view of the cylinder cap of engine;
Fig. 8 shows the perspective view of exhaust turbocharging system;
Fig. 9 shows the perspective view of oil sump;
Figure 10 shows the oil cooler of Interface integration and the perspective view of water pump;
Figure 11 shows the perspective view of engine front cover;
Figure 12 shows the perspective view of mechanical vacuum pump;
Figure 13 shows the perspective view of middle intake and exhaust continuous variable valve timing;
Figure 14 shows the perspective view of roller rocker arms hydraulic tappet valve system;
Figure 15 shows the perspective view of cross-flow head cooling jacket;
Figure 16 shows the perspective view of three-cylinder gasoline engine accessory belt drive belt system;
Figure 17 shows the perspective views of low friction camshaft;
Figure 18 shows the perspective view of port fuel injection system;And
Figure 19 shows torque and power-performance of the 1.0 novel engines with supercharger under different rotating speeds.
Specific embodiment:
It is readily appreciated that, according to the technique and scheme of the present invention, in the case where not changing true spirit, the general skill of this field
Art personnel can propose the various structures mode and implementation that can be replaced mutually.Therefore, following specific embodiments and
Attached drawing is only the exemplary illustration to technical solution of the present invention, and is not to be construed as whole of the invention or is considered as to this hair
Bright technical solution defines or limits.
It mentions in the present specification or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Positional terms are defined relative to each construction shown in the drawings, they are opposite concepts, and it is therefore possible to can root
Correspondingly changed according to different location locating for it, different use states.So also should not be by these or others side
Position term is construed to restricted term.
The present invention realizes the lower oil consumption of entire engine and more by several improvement on various engine components
High power output.Each improvement component is described in detail hereinafter with reference to attached drawing.
As depicted in figs. 1 and 2, engine 100 according to the present invention includes mainly with lower component: motor-driven exhaust gas whirlpool
Take turns pressure charging system 1, middle intake and exhaust continuous variable valve timing 2(D-VVT), cross-flow head cooling jacket 3 is independent to light a fire
Module 4, cast aluminium cylinder block 5, oil cooler 6, free-standing gs-oil separator 7, electronic control throttle body 8, compact plastic into
Gas manifold 9, mechanical vacuum pump 10 integrate the low friction camshaft 11 of rolling bearing, duel fuel injector oil rail 12, three-cylinder gasoline engine
Accessory belt drive belt system 13, electromagnetic-valve control type two-stage variable displacement oil pump 14, double thermostats 15, double mass flywheel 16.
In the shown embodiment, engine 100 is tri- cylinder turbocharged engine of 1.0L, but other structures also can be used.
The pressure charging system 1 that improvement of the invention is embodied in engine 100 uses motor driven exhaust gas by-pass valve, advantage
Be: motor-driven by-passing valve can be by control to adjust exhaust gas flux in response to various operating conditions, for example, working as engine work
Make under slow-speed of revolution running on the lower load, motor driven exhaust gas by-pass valve 1 is in fully open position, reduces exhaust back pressure and pump gas damage
It loses, improves fuel economy.Simultaneously when torque demand increases, exhaust gas by-pass valve can faster be placed in the position closed entirely,
Improve the TRANSIENT DYNAMIC RESPONSE of engine.
The cooling system that improvement of the invention is also embodied in engine 100 is cooling using cylinder block and head separate type: cooling
Liquid is set after the main thermostat on cylinder body enters cylinder body, is respectively enterd cylinder body and cylinder cover water jacket, is converged later from secondary thermostat
It closes and enters radiator.Secondary thermostat can control the flow of cylinder body coolant liquid according to operating condition is started, and improve engine efficiency, example
Such as, during engine warm-up, cylinder body coolant liquid accelerates warming-up process, helps to improve fuel-economy close to stagnation state
Property;Meanwhile coolant liquid flows into cylinder cover water jacket without cylinder body, helps to reduce the combustion chamber wall surface temperature, in big load work
The pinking tendency of engine is advantageously reduced under condition.
The cylinder that improvement of the invention is also embodied in engine 100 of the invention uses the design of single cylinder duel fuel injector:
In the engine of two inlet valve of single cylinder, two exhaust valve, a fuel injector is arranged on each inlet valve, single cylinder is by two fuel injectors point
It is not ejected into two air intake ducts, provides fuel oil to combustion chamber.The advantage is that: in the case where not changing single cylinder fuel delivery, drop
The distributive value of low each fuel injector can effectively reduce the average Suo Te diameter of injection mist of oil under identical system pressure
(SMD), in the case where taking into account cooling effect in cylinder, accelerate burn rate, improve efficiency of combustion;Meanwhile by a fuel injector
To an intake port injection, the spray angle of oil beam jetted is more accurate, it is possible to reduce the wet wall phenomenon in injection makes injection
Fuel oil is adequately used to burn, and improves idle stability, improves fuel economy, reduces hydrocarbon row when oil consumption and cold start-up
It puts.
It is described in detail engine components according to the present invention with reference to the accompanying drawing.
As shown in figure 3, engine according to the present invention uses cast aluminium cylinder block 5, cast aluminium cylinder block 5 is compared to traditional iron cylinder
Body weight is lighter, reduces engine weight, improves fuel efficiency.Another feature of cylinder body is, is integrated on shown cylinder body
Chain-wheel box is reduced the size of engine by compact design, keeps the arrangement of engine more flexible.
As shown in figure 4, engine according to the present invention uses high efficiency combustion room, which uses same application
People and priority date of the present invention submit on the same day and application No. is 201420722496.9 it is entitled " a kind of Vehicle Turbocharged engine into
Air flue " Chinese utility model patent in documented Design of Inlet, which is cited in full text and is incorporated herein by it.Burning
Room air intake duct include an air flue main body, one end opening be air inlet, the other end then bifurcated and form two gas outlets, wherein
Channel between the gas outlet bifurcation and the air flue aditus laryngis of the gas outlet be configured to lower recess and it is relatively swollen
Big fish-bellied type channel.Such air intake duct has higher Tumble and swirl, improves the efficiency of combustion of combustion chamber, and can reduce entire hair
The pinking of motivation is inclined to.
As shown in figure 5, engine according to the present invention has deformation small just using high-intensitive camshaft cover cap assembly
High feature is spent, the durability of engine is improved.
As shown in fig. 6, the inlet manifold 9 of engine according to the present invention is integrated with numerous EMS(engine management systems)
Systematic part, it is compact-sized, and use plastic material, reduce overall weight, improve fuel efficiency.
As shown in fig. 7, the cylinder cap of engine according to the present invention is integrated with exhaust manifold and chain-wheel box.Each air intake duct cloth
Two fuel injectors have been set, have been designed corresponding with the combustion chamber of special designing.
As shown in figure 8, engine according to the present invention includes exhaust turbocharging system 1, the maximum of turbo charge system 1
Advantage is that the power and torque of engine are greatly improved in the case where capable of not increasing engine displacement, it is however generally that, add
The power and torque of engine after dress booster will increase 20% -40%.Turbocharger is used using the exhaust gas of engine discharge
Property impulse force pushes the indoor turbine of turbine, and turbine drives coaxial impeller again, and impeller force feed is sent by air cleaner pipeline
Air, be allowed to pressurization enter cylinder.The pressure and density of air increase more fuel that can burn, and fill burning more
Point, the output power of engine can be increased by increaseing accordingly fuel quantity.Increase different from traditional vacuum control exhaust gas bypass valve type
The pressure charging system 1 of depressor, engine according to the present invention uses motor driven exhaust gas by-pass valve, the advantage is that: motor drives
It is dynamic to control exhaust gas by-pass valve according to operating condition, for example, motor driven is useless when engine operation is under slow-speed of revolution running on the lower load
Gas by-passing valve is in fully open position, reduces exhaust back pressure and pumping loss, improves fuel economy.Simultaneously in torque demand
When increase, exhaust gas by-pass valve can faster be placed in the position closed entirely, improve the TRANSIENT DYNAMIC RESPONSE of engine.In a reality
It applies in example, exhaust gas bypass valve actuator acts on turbine, and actuator is used under Different Work Condition of Engine by the control of motor
The exhaust gas circulation for passing through turbine is adjusted, to control supercharger speed, reaches the function of control admission pressure, has recycled part
Exhaust energy.Booster is connect by flange with exhaust duct of cylinder cover, and upper position among engine is arranged in.It is according to the present invention
Motor-driven exhaust turbocharging system 1, rationally effective matched design makes engine that can reach best in high low speed
Performance;It is integrated with direct current generator simultaneously, the mechanisms such as ECRV control valve (ECRV Emission Control Regulator Valve) are conducive to improve transient state power sound
It should be with sub-load oil consumption;Compact design is conducive to the diminution of engine overall dimensions.
As shown in figure 9, engine according to the present invention includes oil sump 14, displacement-variable oil pump, machine are installed thereon
Oil pump is adjusted lubricating system engine oil pressure on demand, is reduced system friction function, improve complete machine fuel-economy by chain wheel drive
Property.
As shown in Figure 10, engine according to the present invention includes the oil cooler and water pump of Interface integration, and size is tight
It gathers, effectively reduces oil temperature, prevent machine oil oxidation deterioration, improve engine life.
As shown in figure 11, engine according to the present invention includes front cover, integrates Front oil seal thereon, and front cover is equipped with bumps not
Flat radiation tendon improves NVH (noise, the vibration and durability) performance in this region.
As shown in figure 12, engine according to the present invention includes mechanical vacuum pump, and the detailed construction of the vacuum pump is visible
Application No. is 201420584947.7 Chinese invention patent, which is incorporated by herein by quoting it.This is mechanical true
Sky pump is designed using single blade, and frictional force is low, reliable and stable non-maintaining throughout one's life by camshaft actuated, provides vacuum for vehicle
Brake boost.
As shown in figure 13, engine according to the present invention includes middle intake and exhaust continuous variable valve timing system (D-
VVT), D-VVT system is by two CMPS Camshaft Position Sensors, two hydraulic control valves and two camshaft phase adjuster groups
At.The signal of ECU (car running computer) foundation CMPS Camshaft Position Sensor, air flow sensor and throttle position sensor is true
Determine the control instruction of camshaft phase, hydraulic pressure controlling solenoid valve pushes phase regulator according to control instruction, to adjust distribution
Phase is done sth. in advance or is postponed, and raising volumetric efficiency is reached, and reduces pumping loss, improves engine power performance and fuel economy.It is convex
Wheel shaft position sensor is mounted on camshaft cover and covers, and phase regulator and hydraulic control valve are mounted on camshaft front end.D-VVT
The open and close moment of the adjustable inlet and exhaust valve of system reaches raising for different engine operating condition optimization intake and exhaust efficiency
The purpose of power reduction oil consumption.
As shown in figure 14, engine according to the present invention includes roller rocker arms hydraulic tappet valve train, which uses
Hydraulic tappet is kept it non-maintaining throughout one's life, is effectively reduced and rubbed with cam contact using roller rocker arms to automatically adjust valve clearance
Wiping function reduces complete-vehicle oil consumption.
As shown in figure 15, engine according to the present invention includes cross-flow head cooling jacket, the detailed construction of the water jacket
It can be seen that same applicant and priority date of the present invention are submitted on the same day and application No. is a kind of 201420722493.5 entitled " cylinder caps
Cooling jacket and engine " Chinese utility model patent, which is incorporated herein by reference, which includes mutual
The upper layer water jacket and lower layer's water jacket of connection, wherein engine coolant flows upwardly into the air inlet of cylinder cap from the air inlet side water jacket of cylinder body
After the water jacket of side, it is divided into upper and lower two layers via the upper and lower layer water jacket respectively and laterally flows to exhaust side, finally in exhaust manifold
The water outlet of top flows out after collecting.The effect of the water jacket is to make to possess good coolant flow paths and flowing inside cylinder cap
Speed, low pressure loss promote the cooling of cylinder cap exhaust side ridge area and exhaust flange face.
As shown in figure 16, engine according to the present invention includes three-cylinder gasoline engine accessory belt drive belt system, the belt system
System designs tension by reducing accessory belt, reduces belt transmission slip and noise.
As shown in figure 17, engine according to the present invention includes low friction camshaft, integrates rolling bearing on the camshaft.
Rolling bearing reduces the friction loss of engine valve actuating mechanism, to reduce engine fuel consumption.The detailed knot of the camshaft
The visible same applicant of structure and priority date of the present invention are submitted on the same day and " are used for vapour application No. is 201420722652.1 entitled
Low friction camshaft, automobile engine and the automobile of car engine " Chinese utility model patent, which passes through reference
It is incorporated herein.This is installed with rolling bearing on the low friction camshaft of automobile engine, and the rolling bearing is arranged to
For the radial force under bearing automobile timing system and valve spring-force driven dual.
As shown in figure 18, engine according to the present invention includes a kind of novel air inlet path fuel injection system, accelerates burning
Rate improves efficiency of combustion.The visible same applicant of the detailed construction of the fuel oil injector rail mentions on the same day with priority date of the present invention
It hands over and application No. is the Chinese practical new of 201420722469.1 entitled " port fuel injection system, engine and automobile "
Type patent, the full patent texts are incorporated herein by reference.The port fuel injection system includes fuel dispensing tube, for sensing
The revolving speed of engine and the engine operating state sensor and engine controller of load, wherein the fuel dispensing tube
It is mounted on the cylinder cap of the engine, and each cylinder on the cylinder cap corresponding to the engine is provided with for defeated
It supplies gas two air intake ducts and two corresponding inlet valves of body, which is characterized in that in each air intake duct close to corresponding
Inlet valve at be provided with and keep the fuel injector that is connected to the fuel dispensing tube, and the engine controller is configured to
It couples and communicates with the engine operating state sensor and the fuel injector to control the switch of the fuel injector.
The experiment proved that 100 engine with supercharger of engine of the invention is compared to previous generation engine in performance and fuel oil
There are huge advance, performance parameter in economy are as follows:
1) maximum power: 85kw@5500rpm
2) peak torque: 165N.m@1700-4400rpm.
3) specific fuel consumption (2000rpm/2bar): < 370g/kw.h
Specific embodiment described above only for more clearly describing the principle of the present invention, wherein be clearly shown or
It describes all parts and is easier to understand the principle of the present invention.Without departing from the scope of the invention, this field
Technical staff can easily the present invention be carry out various modifications or be changed.Therefore it should be understood that these modifications or variation
It should be included within scope of patent protection of the invention.
Claims (10)
1. a kind of small displacement turbocharged engine, characterized in that it comprises:
Combustion system comprising combustion chamber, air intake duct, exhaust duct;
Turbo charge system, the turbo charge system are connected to the exhaust duct, and the turbo charge system is equipped with by exhaust gas
Port valve, the exhaust gas by-pass valve are driven by motor, to adjust exhaust gas flux, the exhaust gas in response to the various operating conditions of engine
By-passing valve is arranged to when the engine operation is under slow-speed of revolution running on the lower load, and exhaust gas by-pass valve described in motor driven is in complete
Open position reduces exhaust back pressure and pumping loss;When torque demand increases, the exhaust gas by-pass valve can be faster placed in
The position closed entirely;And
Cooling system, the cooling system include main thermostat, cylinder body, cylinder cover water jacket, secondary thermostat and radiator, and coolant liquid is logical
The main thermostat is crossed, into the cylinder body and the cylinder cover water jacket, is then converged by the secondary thermostat into described and is dissipated
Hot device, the pair thermostat can adjust the coolant rate in the cylinder body, and the pair thermostat is arranged in engine warm
During machine, coolant liquid in the cylinder body is made to accelerate warming-up process close to stagnation state.
2. small displacement turbocharged engine according to claim 1, which is characterized in that the engine further includes air inlet
Road fuel injection system, the port fuel injection system include fuel dispensing tube, the revolving speed for sensing engine and bear
The engine operating state sensor and engine controller of lotus, wherein the fuel dispensing tube is mounted on the engine
Cylinder cap on, and each cylinder of the engine is provided with two air inlets for conveying gas on the cylinder cap
Road and two corresponding inlet valves, wherein each air intake duct be provided at corresponding inlet valve with it is described
Fuel dispensing tube keeps the fuel injector of connection, and the engine controller is configured to pass with the engine operating state
Sensor and the fuel injector couple and communicate to control the switch of the fuel injector.
3. small displacement turbocharged engine according to claim 1, which is characterized in that the engine further include in set
Formula intake and exhaust continuous variable valve timing system, the valve timing system include be separately mounted to intake and exhaust valves convex
CMPS Camshaft Position Sensor in wheel shaft the cover, and the hydraulic control valve and camshaft phase that are mounted on described camshaft one end
Position adjuster, car running computer can control the hydraulic control valve according to engine operating condition to push the camshaft phase to adjust
Device, to optimize volumetric efficiency.
4. small displacement turbocharged engine according to claim 1, which is characterized in that the engine further includes low rubs
Camshaft is wiped, is installed with rolling bearing on the low friction camshaft, the rolling bearing is being arranged for bearing automobile just
When system and valve spring-force driven dual under radial force.
5. small displacement turbocharged engine according to claim 1, which is characterized in that the engine further includes that can be changed
The lubricating oil pump of discharge capacity, the lubricating oil pump are mounted on oil sump, by chain wheel drive, lubricating oil pump work according to locating for engine
Condition adjusts engine oil pressure.
6. small displacement turbocharged engine according to claim 1, which is characterized in that the engine is shaken using roller
Arm hydraulic tappet formula valve.
7. small displacement turbocharged engine according to claim 1, which is characterized in that the cylinder cover water jacket is cross-flow type
Cooling of Cylinder Head water jacket, the cross-flow head cooling jacket includes interconnected upper layer water jacket and lower layer's water jacket, wherein starting
Machine coolant liquid is after the air inlet side water jacket that the air inlet side water jacket of cylinder body flows upwardly into cylinder cap, respectively via the upper and lower layer water jacket
It is divided into upper and lower two layers and laterally flows to exhaust side, finally the water outlet above exhaust manifold flows out after collecting.
8. small displacement turbocharged engine according to claim 1, which is characterized in that the engine further includes machinery
Formula vacuum pump.
9. small displacement turbocharged engine according to claim 1, which is characterized in that the engine displacement is
1.0L。
10. small displacement turbocharged engine according to claim 1, which is characterized in that the engine includes three
Cylinder.
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6135077A (en) * | 1997-11-07 | 2000-10-24 | Toyota Jidosha Kabushiki Kaisha | Valve timing changing apparatus for internal combustion engine |
CN1793622A (en) * | 2004-12-23 | 2006-06-28 | 现代自动车株式会社 | Cooling system for an engine |
CN101415925A (en) * | 2006-03-28 | 2009-04-22 | 丰田自动车株式会社 | Acceleration request determining system and method, and control system and control method of internal combustion engine |
CN201991666U (en) * | 2011-03-31 | 2011-09-28 | 浙江吉利汽车研究院有限公司 | Gas inlet passage of engine |
CN103080484A (en) * | 2010-09-03 | 2013-05-01 | 株式会社捷太格特 | Camshaft device |
CN103375289A (en) * | 2012-04-20 | 2013-10-30 | 三菱电机株式会社 | Control device for internal combustion engine and method for controlling the same |
CN204755067U (en) * | 2014-11-27 | 2015-11-11 | 上海通用汽车有限公司 | Float volume turbosupercharged engine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7278396B2 (en) * | 2005-11-30 | 2007-10-09 | Ford Global Technologies, Llc | Method for controlling injection timing of an internal combustion engine |
KR100844656B1 (en) * | 2006-12-12 | 2008-07-07 | 현대자동차주식회사 | split cooling circuit of engine |
JP5389238B1 (en) * | 2012-08-29 | 2014-01-15 | 三菱電機株式会社 | Waste gate valve control device for internal combustion engine |
US8887682B2 (en) * | 2012-12-11 | 2014-11-18 | Mahle International Gmbh | Low friction camshaft |
-
2015
- 2015-04-21 CN CN201510188466.3A patent/CN106150676B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6135077A (en) * | 1997-11-07 | 2000-10-24 | Toyota Jidosha Kabushiki Kaisha | Valve timing changing apparatus for internal combustion engine |
CN1793622A (en) * | 2004-12-23 | 2006-06-28 | 现代自动车株式会社 | Cooling system for an engine |
CN101415925A (en) * | 2006-03-28 | 2009-04-22 | 丰田自动车株式会社 | Acceleration request determining system and method, and control system and control method of internal combustion engine |
CN103080484A (en) * | 2010-09-03 | 2013-05-01 | 株式会社捷太格特 | Camshaft device |
CN201991666U (en) * | 2011-03-31 | 2011-09-28 | 浙江吉利汽车研究院有限公司 | Gas inlet passage of engine |
CN103375289A (en) * | 2012-04-20 | 2013-10-30 | 三菱电机株式会社 | Control device for internal combustion engine and method for controlling the same |
CN204755067U (en) * | 2014-11-27 | 2015-11-11 | 上海通用汽车有限公司 | Float volume turbosupercharged engine |
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