CN106150676A - A kind of small displacement turbocharged engine - Google Patents
A kind of small displacement turbocharged engine Download PDFInfo
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- CN106150676A CN106150676A CN201510188466.3A CN201510188466A CN106150676A CN 106150676 A CN106150676 A CN 106150676A CN 201510188466 A CN201510188466 A CN 201510188466A CN 106150676 A CN106150676 A CN 106150676A
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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
Abstract
The invention provides a kind of small displacement turbocharged engine, it has the turbo charge system using motor to drive 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, it is little that the engine with supercharger of the present invention has oil consumption, the feature of powerful.
Description
Technical field
The present invention relates to engine art, specifically, the present invention relates to a kind of small displacement turbocharged engine, such as below 1.5L discharge capacity, the turbocharged engine of preferably 1.0L.
Background technology
The annual production and marketing information issued according to middle vapour association shows, after sales volume head in 2012 surpasses 15,000,000, within 2013, passenger car sales volume reaches 1792.89 ten thousand, increases by 15.7% on a year-on-year basis.Passenger car is energy-conservation the most great to alleviating energy and environment pressure meaning.In this context, government department has put into effect automobile fuel ecomomy regulation and and has taked the measures such as property tax excitation constantly to advance vehicle energy saving to work.Wherein, phase III oil consumption limit value comes into effect on July 1st, 2012, and automobile fuel consumption requires that relatively second stage declines 20%.Fourth stage (2016～the year two thousand twenty) fuel economy regulation is the clearest and the most definite: the year two thousand twenty enterprise average fuel consumption target is up to 5.0L/100 km.Exploitation high energy efficiency, the small displacement engine of low oil consumption is particularly important.
A electromotor listed developed by Shanghai GM at present is new natural aspirated engine, have employed variable intake manifold, intake and exhaust continuous and variable gas distribution phase techniques, has speed end and the high pulling torque of low speed end simultaneously, and power performance is outstanding.Meet China's phase III emission request simultaneously.This electromotor has been widely used for Shanghai GM some moneys main force vehicle at present.
The replacement following in view of these vehicles and meet the demand of fourth stage fuel economy regulation, needs a small displacement energy-saving engine of exploitation badly, to replace the naturally aspirated engine of 1.5L or following discharge capacity.Power and the moment of torsion of this small displacement engine should surmount existing 1.5L electromotor simultaneously, brings more preferable power to export for upgrading products, and have the ability to expand to SUV or transboundary car etc. the application of higher vehicle is required for power performance.There is data to suggest that, for improving the fuel economy of naturally aspirated engine, small displacement turbocharged engine is a kind of approach that input and output are higher.Turbocharger utilizes waste gas inertia impulsive force that electromotor discharges to promote the turbine in turbine room, and turbine drives again coaxial impeller, the air that impeller force feed is sent here by air filter pipeline, is allowed to supercharging and enters cylinder.The pressure of air and density increase the more fuel that can burn, and make burning more abundant, and the corresponding fuel quantity that increases just can increase the output of electromotor.The great advantage of turbocharger is to strengthen engine displacement just can improve power and the moment of torsion of electromotor greatly, it is however generally that, install the power of the electromotor after supercharger additional and moment of torsion to increase 20% 40%.
Summary of the invention
It is an object of the invention to provide a kind of powerful and fuel-efficient small displacement turbocharged engine, it is suitable to be applied to compact-type automobile, entry level middle rank car and small-sized SUV etc..
The invention provides a kind of small displacement (1.5L and following discharge capacity) turbocharged engine, preferably below 1.3L, for example, 1.0L, 1.1L, 1.2L etc., specifically this engine features is as follows:
A kind of small displacement turbocharged engine, comprising:
Combustion system, it includes combustor, air intake duct, exhaust duct；
Turbo charge system, described turbo charge system connects with described exhaust duct, and described turbo charge system is provided with exhaust gas by-pass valve, and described exhaust gas by-pass valve is driven by motor, in order in response to the various regulating working conditions waste gas flux of electromotor；And
Cooling system, described cooling system includes main thermostat, cylinder body, cylinder cover water jacket, secondary thermostat and radiator, coolant is passed through described main thermostat, is entered described cylinder body and described cylinder cover water jacket, converging the described radiator of entrance by described secondary thermostat subsequently, described secondary thermostat can regulate the coolant rate in described cylinder body.
Alternatively, described electromotor also includes port fuel injection system, described port fuel injection system includes fuel dispensing tube, the engine operating state sensor of rotating speed and load for sensing electromotor, and engine controller, wherein said fuel dispensing tube is arranged on the cylinder cap of described electromotor, and each cylinder corresponding to described electromotor is provided with two air intake ducts for carrying gas and corresponding two inlet valves on described cylinder cap, wherein, at corresponding inlet valve, the fuel injector keeping connecting with described fuel dispensing tube it is provided with at each air intake duct, and described engine controller is configured to couple with described engine operating state sensor and described fuel injector and communicate control the switch of described fuel injector.
Alternatively, described electromotor also includes middle intake and exhaust continuous variable valve timing system, described valve timing system includes the CMPS Camshaft Position Sensor being separately mounted on the camshaft cover lid of inlet valve and exhaust valve, and it is arranged on the hydraulic control valve on described camshaft one end and camshaft phase adjuster, car running computer can control described hydraulic control valve according to engine operating condition and promote described camshaft phase adjuster, thus optimizes charging efficiency.
Alternatively, described electromotor also includes low friction projection wheel shaft, and described low friction projection wheel shaft is equiped with rolling bearing, and described rolling bearing is arranged for the radial force under bearing automobile timing system and valve spring power effect.
Alternatively, described electromotor also includes variable-displacement lubricating oil pump, and described lubricating oil pump is arranged on oil sump, and by chain wheel drive, described lubricating oil pump can be according to regulating working conditions engine oil pressure residing for electromotor.
Alternatively, described electromotor also includes roller rocker arms hydraulic tappet valve train.
Alternatively, described cylinder cover water jacket is cross-flow head cooling jacket, described cross-flow head cooling jacket includes upper strata water jacket and the lower floor's water jacket being interconnected, wherein engine coolant is after the air inlet side water jacket of cylinder body flows upwardly into the air inlet side water jacket of cylinder cap, it is divided into upper and lower two-layer all to laterally flow to exhaust side via described upper and lower layer water jacket respectively, flows out after finally the outlet above exhaust manifold collects.
Alternatively, described electromotor also includes mechanical vacuum pump.
Alternatively, described engine displacement is 1.0L.
Alternatively, described electromotor includes three cylinders.
The beneficial effects of the present invention is: for reducing the design requirement of fuel oil consumption, brand-new design cooling system, cylinder body and the cooling of cylinder cap separate type and cylinder cap integrated exhaust manifold, rapid warming-up can be realized；Creative use motor drives exhaust gas bypass valve type turbocharger, reduces pumping loss；Use electromagnetic-valve control type two-stage variable oil pump, rolling bearing camshaft, be back and forth the design of the reduction frictional works such as lightweight；Intake and exhaust VVT controls, and optimizes chamber structure, uses independent ignition module and Electronic Throttle Control, Optimal Control Strategy and efficiency of combustion simultaneously, significantly reduces oil consumption, and sub-load specific fuel consumption is decreased to less than 370g/kw.h@2000
rpm,2bar.Reach domestically leading world-class economical engine level, meet the requirement of national every environmental protection and energy saving policy.
For the requirement improving engine power performance, emphasis has redesigned the design of combustion system and cooling system, use motor to drive exhaust gas bypass valve type turbocharger, make engine speed from 1700rpm to 4400rpm, the high pulling torque output of the 165NM of smooth-going can be kept.
Accompanying drawing explanation
Fig. 1 and Fig. 2 respectively illustrates front view and the dorsal view of the electromotor according to the present invention；
Fig. 3 shows the axonometric chart of cast aluminium cylinder block；
Fig. 4 shows the axonometric chart of high efficiency combustion room；
Fig. 5 shows the axonometric chart of the camshaft cover cap assembly of high intensity；
Fig. 6 shows the axonometric chart of inlet manifold；
Fig. 7 shows the axonometric chart of the cylinder cap of electromotor；
Fig. 8 shows the axonometric chart of exhaust turbocharging system；
Fig. 9 shows the axonometric chart of oil sump；
Figure 10 shows the oil cooler of Interface integration and the axonometric chart of water pump；
Figure 11 shows the axonometric chart of engine front cover；
Figure 12 shows the axonometric chart of mechanical vacuum pump；
Figure 13 shows the axonometric chart of middle intake and exhaust continuous variable valve timing；
Figure 14 shows the axonometric chart of roller rocker arms hydraulic tappet valve system；
Figure 15 shows the axonometric chart of cross-flow head cooling jacket；
Figure 16 shows the axonometric chart of three-cylinder gasoline engine accessory belt drive belt system；
Figure 17 shows the axonometric chart of low friction projection wheel shaft；
Figure 18 shows the axonometric chart of port fuel injection system；And
Figure 19 shows 1.0 novel engines with supercharger moment of torsion under different rotating speeds and power-performance.
Detailed description of the invention:
Easy to understand, according to technical scheme, under not changing true spirit, one of ordinary skill in the art can be to propose various structures mode and the implementation that can mutually replace.Therefore, detailed description below and accompanying drawing are only the exemplary illustrations to technical scheme, and are not to be construed as the whole of the present invention or are considered as defining or limiting technical solution of the present invention.
The orientation terms such as the up, down, left, right, before and after mentioned in this manual or may mention, front, the back side, top, bottom are to be defined relative to the structure shown in each accompanying drawing, they are relative concepts, it is therefore possible to correspondingly can change according to diverse location, different use state residing for it.So, these or other orientation term should be construed to restricted term.
The present invention realizes the lower oil consumption of entire engine by the some improvement on various engine components and higher power exports.Each improvement parts are described in detail hereinafter with reference to accompanying drawing.
As depicted in figs. 1 and 2, electromotor 100 according to the present invention mainly includes with lower component: motor-driven exhaust turbocharging system 1, middle intake and exhaust continuous variable valve timing 2(D-VVT), cross-flow head cooling jacket 3, independent ignition module 4, cast aluminium cylinder block 5, oil cooler 6, stand alone type gs-oil separator 7, , electronic control throttle body 8, compact plastic air intake manifold 9, mechanical vacuum pump 10, the low friction projection wheel shaft 11 of integrated 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 embodiment shown, electromotor 100 is 1.0L triplex turbocharged engine but it also may use other structures.
The pressure charging system 1 of the present electromotor of modified body 100 of the present invention have employed motor and drives exhaust gas by-pass valve, have an advantage in that: motor-driven bypass valve can be controlled so that in response to various operating modes, regulation waste gas flux, such as, under electromotor is operated in slow-speed of revolution running on the lower load, motor drives exhaust gas by-pass valve 1 to be in fully open position, reduces exhaust back pressure and pumping loss, improves fuel economy.Simultaneously when torque demand increases, exhaust gas by-pass valve can be placed in fully closed position faster, improves the TRANSIENT DYNAMIC RESPONSE of electromotor.
The improvement of the present invention is also embodied in the cooling system of electromotor 100 and have employed the cooling of cylinder block and head separate type: after the configured main thermostat on cylinder body of coolant enters cylinder body, respectively enters cylinder body and cylinder cover water jacket, converges entrance radiator from secondary thermostat afterwards.Secondary thermostat can improve engine efficiency according to the flow starting operating mode to control cylinder body coolant, such as, during engine warm-up, cylinder body coolant, close to stagnation state, is accelerated warming-up process, is favorably improved fuel economy；Meanwhile, coolant i.e. flows into cylinder cover water jacket without cylinder body, contributes to reducing the combustion chamber wall surface temperature, advantageously reduces the pinking tendency of electromotor under high load working condition.
The improvement of the present invention is also embodied in the design of the cylinder employing single cylinder duel fuel injector of the electromotor 100 of the present invention: in the electromotor of single cylinder two inlet valve two exhaust valve, a fuel injector is arranged on each inlet valve, single cylinder is ejected into two air intake ducts respectively by two fuel injectors, provides fuel oil to combustor.Have an advantage in that: in the case of not changing single cylinder fuel delivery, reduce the distributive value of each fuel injector, under identical system pressure, the average Suo Te diameter (SMD) of injection mist of oil can be effectively reduced, taking into account in cylinder in the case of cooling effect, 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, the wet wall phenomenon in injection can be reduced, make the fuel oil of injection sufficiently for burning, improve idle stability, improve fuel economy, reduce hydrocarbon emission when oil consumption and cold start-up.
Describe the engine components according to the present invention below in conjunction with the accompanying drawings in detail.
As it is shown on figure 3, use cast aluminium cylinder block 5 according to the electromotor of the present invention, cast aluminium cylinder block 5 is lighter compared to traditional iron cylinder body weight, reduces engine weight, improves fuel efficiency.Another feature of cylinder body is, shown cylinder body is integrated with chain-wheel box, is reduced the size of electromotor by compact design, and the layout making electromotor is more flexible.
As shown in Figure 4, electromotor according to the present invention uses high efficiency combustion room, this combustor have employed same applicant and priority date of the present invention submit on the same day and Application No. 201420722496.9 entitled " a kind of Vehicle Turbocharged engine inlets " Chinese utility model patent in described Design of Inlet, this patent is quoted in full by it and is expressly incorporated herein.Combustion chamber charge road includes an air flue main body, its one end open is air inlet, the other end then bifurcated and form two gas outlets, wherein the passage between bifurcation, described gas outlet and the air flue aditus laryngis of described gas outlet is configured to concave downward and the relative fish-bellied type passage expanded.This type of air intake duct has higher Tumble and swirl, improves the efficiency of combustion of combustor, and can reduce the pinking tendency of whole electromotor.
As it is shown in figure 5, use the camshaft cover cap assembly of high intensity according to the electromotor of the present invention, it has the advantages that the little rigidity of deformation is high, improves the durability of electromotor.
As shown in Figure 6, be integrated with numerous EMS(engine management system according to the inlet manifold 9 of the electromotor of the present invention) systematic part, its compact conformation, and use plastic material, reduce overall weight, improve fuel efficiency.
As it is shown in fig. 7, be integrated with exhaust manifold and chain-wheel box according to the cylinder cap of the electromotor of the present invention.Two fuel injectors of each intake port layout, its design is corresponding with the combustor of particular design.
As shown in Figure 8, electromotor according to the present invention includes exhaust turbocharging system 1, the great advantage of turbo charge system 1 be can not strengthen engine displacement in the case of improve power and the moment of torsion of electromotor greatly, it is said that in general, install the power of the electromotor after supercharger additional and moment of torsion to increase 20% 40%.Turbocharger utilizes waste gas inertia impulsive force that electromotor discharges to promote the turbine in turbine room, and turbine drives again coaxial impeller, the air that impeller force feed is sent here by air filter pipeline, is allowed to supercharging and enters cylinder.The pressure of air and density increase the more fuel that can burn, and make burning more abundant, and the corresponding fuel quantity that increases just can increase the output of electromotor.It is different from traditional vacuum and controls exhaust gas bypass valve type supercharger, the pressure charging system 1 of the electromotor according to the present invention have employed motor and drives exhaust gas by-pass valve, have an advantage in that: motor drives can be according to operating mode to control exhaust gas by-pass valve, such as, under electromotor is operated in slow-speed of revolution running on the lower load, motor drives exhaust gas by-pass valve to be in fully open position, reduces exhaust back pressure and pumping loss, improves fuel economy.Simultaneously when torque demand increases, exhaust gas by-pass valve can be placed in fully closed position faster, improves the TRANSIENT DYNAMIC RESPONSE of electromotor.In one embodiment, exhaust gas bypass valve actuator acts on turbine, and executor is controlled by motor, the waste gas circulation by turbine is regulated under Different Work Condition of Engine, thus control supercharger speed, reach to control the function of admission pressure, reclaim portion energy.Supercharger is connected with exhaust duct of cylinder cover by flange, is arranged in upper position in the middle of electromotor.Motor-driven exhaust turbocharging system 1 according to the present invention, the most effective matched design makes electromotor all can reach optimum performance at high low speed；It is integrated with the mechanisms such as direct current generator, ECRV control valve (ECRV Emission Control Regulator Valve) simultaneously, is conducive to improving TRANSIENT DYNAMIC RESPONSE and sub-load oil consumption；Reducing of compact design beneficially electromotor overall dimensions.
As it is shown in figure 9, include oil sump 14 according to the electromotor of the present invention, it is provided with displacement-variable oil pump, lubricating oil pump by chain wheel drive, on-demand regulation lubricating system engine oil pressure, reduce system friction merit, improve complete machine fuel economy.
As shown in Figure 10, include oil cooler and the water pump of Interface integration, its compact dimensions according to the electromotor of the present invention, effectively reduce oil temperature, prevent machine oil oxidation deterioration, improve engine life.
As shown in figure 11, including protecgulum according to the electromotor of the present invention, integrated Front oil seal on it, protecgulum is provided with rough radiation tendon and improves NVH (noise, vibration and the durability) performance in this region.
As shown in figure 12, including mechanical vacuum pump according to the electromotor of the present invention, the Chinese invention patent of Application No. 201420584947.7 seen from the detailed construction of this vacuum pump, this patent is incorporated by herein by quoting it.This mechanical vacuum pump uses single blade design, and frictional force is low, by camshaft actuated, reliable and stable the most non-maintaining, provides vacuum braking power-assisted for car load.
As shown in figure 13, including middle intake and exhaust continuous variable valve timing system (D-VVT) according to the electromotor of the present invention, D-VVT system is by two CMPS Camshaft Position Sensors, two hydraulic control valves and two camshaft phase adjuster compositions.ECU (car running computer) is according to CMPS Camshaft Position Sensor, the signal of air flow sensor and TPS determines the control instruction of camshaft phase, hydraulic pressure controlling solenoid valve promotes phase regulator according to control instruction, thus regulate port timing and ahead of time or postpone, reach to improve charging efficiency, reduce pumping loss, improve engine power performance and fuel economy.CMPS Camshaft Position Sensor is arranged on camshaft cover lid, and phase regulator and hydraulic control valve are arranged on camshaft front end.D-VVT system can regulate the open and close moment of inlet and exhaust valve, optimizes intake and exhaust efficiency for different engine operating conditions and reaches to improve the purpose of power reduction oil consumption.
As shown in figure 14, electromotor according to the present invention includes roller rocker arms hydraulic tappet valve train, this valve train uses hydraulic tappet to be automatically adjusted valve clearance so that it is the most non-maintaining, uses roller rocker arms and cam contact effectively to reduce frictional work and reduces complete-vehicle oil consumption.
As shown in figure 15, electromotor according to the present invention includes cross-flow head cooling jacket, same applicant seen from the detailed construction of this water jacket and priority date of the present invention are submitted to and the Chinese utility model patent of entitled " a kind of Cooling of Cylinder Head water jacket and electromotor " of Application No. 201420722493.5 on the same day, this full patent texts is incorporated herein by, this water jacket includes upper strata water jacket and the lower floor's water jacket being interconnected, wherein engine coolant is after the air inlet side water jacket of cylinder body flows upwardly into the air inlet side water jacket of cylinder cap, respectively via on described, lower floor's water jacket is divided into, lower two-layer all laterally flows to exhaust side, last outlet above exhaust manifold flows out after collecting.The effect of this water jacket is to make to have good coolant flow paths and flowing velocity inside cylinder cap, the low pressure loss. promote cylinder cap exhaust side ridge area and the cooling in exhaust flange face.
As shown in figure 16, including three-cylinder gasoline engine accessory belt drive belt system according to the electromotor of the present invention, this belt system, by reducing accessory belt design tension force, reduces belt transmission and skids and noise.
As shown in figure 17, include low friction projection wheel shaft according to the electromotor of the present invention, integrated rolling bearing on this camshaft.Rolling bearing reduces the friction loss of engine valve actuating mechanism, thus reduces engine fuel consumption.Same applicant seen from the detailed construction of this camshaft and priority date of the present invention are submitted to and the Chinese utility model patent of entitled " for low friction projection wheel shaft, automobile engine and the automobile of automobile engine " of Application No. 201420722652.1 on the same day, and this full patent texts is incorporated herein by.This is used on the low friction projection wheel shaft of automobile engine being equiped with rolling bearing, and described rolling bearing is arranged for the radial force under bearing automobile timing system and valve spring power effect.
As shown in figure 18, include a kind of novel air inlet path fuel injection system according to the electromotor of the present invention, accelerate burn rate, improve efficiency of combustion.Same applicant seen from the detailed construction of this fuel oil injector rail and priority date of the present invention are submitted to and the Chinese utility model patent of entitled " port fuel injection system, electromotor and automobile " of Application No. 201420722469.1 on the same day, and this full patent texts is incorporated herein by.This port fuel injection system includes fuel dispensing tube, the engine operating state sensor of rotating speed and load for sensing electromotor, and engine controller, wherein said fuel dispensing tube is arranged on the cylinder cap of described electromotor, and each cylinder corresponding to described electromotor is provided with two air intake ducts for carrying gas and corresponding two inlet valves on described cylinder cap, it is characterized in that, at corresponding inlet valve, the fuel injector keeping connecting with described fuel dispensing tube it is provided with at each air intake duct, and described engine controller is configured to couple with described engine operating state sensor and described fuel injector and communicate control the switch of described fuel injector.
The experiment proved that, electromotor 100 engine with supercharger of the present invention has huge advance compared to previous generation electromotor in performance and fuel economy, and its performance parameter is:
1) peak 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, is wherein clearly shown that or describes all parts and make the principle of the present invention be easier to understand.Without departing from the scope of the invention, those skilled in the art easily can carry out various amendment or change to the present invention.Therefore it should be appreciated that within these amendments or change should be included in the scope of patent protection of the present invention.
Claims (10)
1. a small displacement turbocharged engine, it is characterised in that comprising:
Combustion system, it includes combustor, air intake duct, exhaust duct；
Turbo charge system, described turbo charge system connects with described exhaust duct, and described turbo charge system is provided with exhaust gas by-pass valve, and described exhaust gas by-pass valve is driven by motor, in order in response to the various regulating working conditions waste gas flux of electromotor；And
Cooling system, described cooling system includes main thermostat, cylinder body, cylinder cover water jacket, secondary thermostat and radiator, coolant is passed through described main thermostat, is entered described cylinder body and described cylinder cover water jacket, converging the described radiator of entrance by described secondary thermostat subsequently, described secondary thermostat can regulate the coolant rate in described cylinder body.
nullSmall displacement turbocharged engine the most according to claim 1，It is characterized in that，Described electromotor also includes port fuel injection system，Described port fuel injection system includes fuel dispensing tube、The engine operating state sensor of rotating speed and load for sensing electromotor，And engine controller，Wherein said fuel dispensing tube is arranged on the cylinder cap of described electromotor，And each cylinder corresponding to described electromotor is provided with two air intake ducts for carrying gas and corresponding two inlet valves on described cylinder cap，Wherein，At corresponding inlet valve, the fuel injector keeping connecting with described fuel dispensing tube it is provided with at each air intake duct，And described engine controller is configured to couple with described engine operating state sensor and described fuel injector and communicate control the switch of described fuel injector.
Small displacement turbocharged engine the most according to claim 1, it is characterized in that, described electromotor also includes middle intake and exhaust continuous variable valve timing system, described valve timing system includes the CMPS Camshaft Position Sensor being separately mounted on the camshaft cover lid of inlet valve and exhaust valve, and it is arranged on the hydraulic control valve on described camshaft one end and camshaft phase adjuster, car running computer can control described hydraulic control valve according to engine operating condition and promote described camshaft phase adjuster, thus optimizes charging efficiency.
Small displacement turbocharged engine the most according to claim 1, it is characterized in that, described electromotor also includes low friction projection wheel shaft, being equiped with rolling bearing on described low friction projection wheel shaft, described rolling bearing is arranged for the radial force under bearing automobile timing system and valve spring power effect.
Small displacement turbocharged engine the most according to claim 1, it is characterized in that, described electromotor also includes that variable-displacement lubricating oil pump, described lubricating oil pump are arranged on oil sump, by chain wheel drive, described lubricating oil pump can be according to regulating working conditions engine oil pressure residing for electromotor.
Small displacement turbocharged engine the most according to claim 1, it is characterised in that described electromotor uses roller rocker arms hydraulic tappet formula valve.
Small displacement turbocharged engine the most according to claim 1, it is characterized in that, described cylinder cover water jacket is cross-flow head cooling jacket, described cross-flow head cooling jacket includes upper strata water jacket and the lower floor's water jacket being interconnected, wherein engine coolant is after the air inlet side water jacket of cylinder body flows upwardly into the air inlet side water jacket of cylinder cap, it is divided into upper and lower two-layer all to laterally flow to exhaust side via described upper and lower layer water jacket respectively, flows out after finally the outlet above exhaust manifold collects.
Small displacement turbocharged engine the most according to claim 1, it is characterised in that described electromotor also includes mechanical vacuum pump.
Small displacement turbocharged engine the most according to claim 1, it is characterised in that described engine displacement is 1.0L.
Small displacement turbocharged engine the most according to claim 1, it is characterised in that described electromotor includes three cylinders.
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| CN2014106942656 | 2014-11-27 |
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| 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 |
| CN103670680A (en) * | 2012-08-29 | 2014-03-26 | 三菱电机株式会社 | Internal combustion engine wastegate valve controller |
| US20140158076A1 (en) * | 2012-12-11 | 2014-06-12 | Mahle International Gmbh | Low friction camshaft |
| 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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| CN106150676B (en) | 2018-12-07 |
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