CN201539303U - Gasoline engine with turbocharging - Google Patents
Gasoline engine with turbocharging Download PDFInfo
- Publication number
- CN201539303U CN201539303U CN2009201857806U CN200920185780U CN201539303U CN 201539303 U CN201539303 U CN 201539303U CN 2009201857806 U CN2009201857806 U CN 2009201857806U CN 200920185780 U CN200920185780 U CN 200920185780U CN 201539303 U CN201539303 U CN 201539303U
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- Prior art keywords
- valve
- cam shaft
- exhaust
- motor
- manifold
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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 utility model relates to a gasoline engine with turbocharging, which comprises a cavity body, a cavity sleeve, a gas inlet valve, a spark plug hole, a gas exhaust valve, a combustion chamber, a crankshaft, a connecting rod, a piston, a gas inlet manifold, a gas exhaust manifold and a turbocharging device, and further comprises a double over head camshaft adjusting valve timing structure, wherein a cam shaft, a gas exhaust cam shaft and the crankshaft are mutually connected by the double over head camshaft adjusting valve timing structure through a timing chain, the double over head camshaft adjusting valve timing structure is used to continuously and changeably adjust the opening time of the gas inlet valve and the gas exhaust valve of the combustion chamber, and can increase the use rate of fuels and the rotating speed and the output power of the engine. The turbocharging device can increase the gas inlet pressure of the engine, accelerates the rotating speed and the output power of the engine, and leads the combustion to be more fully, thereby increasing the output power of the engine, and reducing the exhaust emission. The gas exhaust manifold is provided with a three catalytic unit, thereby being capable of reducing the emission of harmful gas.
Description
Technical field
The utility model relates to a kind of petrol engine, relates in particular to a kind of turbo charged petrol engine that has that is applied on the car.
Background technique
Petrol engine is converted into kinetic energy with the chemical energy of gasoline and drives automobile, the simplest way is by obtaining kinetic energy in the engine interior burns gasoline, it is usually by connecting rod, and several big members such as distribution device, fuel supply system, lubricating system, cooling system, igniting system and starting system are formed.Wherein, connecting rod is that motor is realized work cycle, finishes the main moving parts of transformation of energy.It is made up of body group, piston rod group and crankshaft-flywheel group etc.In working stroke, piston bears gaseous-pressure moving linearly in cylinder, converts rotatablely moving of bent axle to by connecting rod, and from the external outputting power of bent axle.And in air inlet, compression and exhaust stroke, flywheel releases energy and rotatablely moving of bent axle is changed into the straight line motion of piston.
The function of distribution device is according to the job order of motor and working procedure, and time opening and close intake valve and exhaust valve makes inflammable mixture or air enter cylinder, and waste gas is discharged in cylinder, realizes gas exchange process.Distribution device adopts Overhead valve formula distribution device mostly.
The function of petrol engine fuel supply system is the requirement according to motor, makes the mixed gas of some and concentration, infeeds cylinder, and waste gas after burning is discharged to the atmosphere in cylinder goes;
The function of lubricating system is to carry quantitative cleaning lubricant oil to the part surface of doing relative movement, to realize liquid friction, reduces surface friction drag, alleviates machine members.And part surface cleaned and cool off.Lubricating system is made up of oil leab, oil pump, oil filter and some valves etc. usually.
The function of cooling system is that the part heat that the part that is heated absorbs is in time distributed, and the assurance motor is worked under optimum state of temperature.The cooling system of water cooled engine is made up of cooling jacket, water pump, fan, water tank, thermostat etc. usually.
In petrol engine, the inflammable mixture in the cylinder is that electrical spark is lighted, and on the cylinder head of petrol engine spark plug is housed for this reason, and the spark plug head stretches in the firing chamber.The armamentarium that can on time produce electrical spark between sparking-plug electrode is called igniting system, and igniting system is made up of storage battery, generator, distributor, spark coil and spark plug etc. usually.
Make motor carry out the transition to working state by state of rest, must use the bent axle of external force rolling motor earlier, make piston reciprocates, inflammable mixture burning expansion work done in the cylinder, the promotion piston moves downward and makes crankshaft rotating, motor could turn round voluntarily, and work cycle could be carried out automatically.Therefore, bent axle begins to turn to motor under external force and begins the overall process of idle running automatically, is called the starting of motor.Finish the required device of starting process, be called the starting system of motor.
In motor, its core component is a cylinder, yet the petrolic cylinder bore of present 3 cylinders is 68.5mm, discharge capacity is 796mL, and maximum speed is 5500r/min, and cylinder body is generally grey iron casting, and the valve number of each firing chamber is 2, the SOHC Single Overhead Camshaft structure.Adopt petrol engine normal length, the height dimension of said structure bigger, weight is heavier, therefore, should not be applied on the minicar, and engine speed is difficult to promote once again, and power can only be paced up and down about 30kW, and exhaust gas discharging also is difficult to the requirement that reaches higher.Therefore need to increase the suction pressure of motor, accelerate the burning of the fuel of motor, make its burning more abundant, thereby improve the output power of motor, reduce exhaust emissions.
The model utility content
The technical problems to be solved in the utility model provides that a kind of volume is less, rotating speed and output power are higher has turbo charged petrol engine.
The utility model can be implemented by the following technical programs: a kind of have a turbo charged petrol engine, comprise cylinder body, cylinder sleeve, intake valve, spark-plug hole, exhaust valve, the firing chamber, bent axle, connecting rod, piston, intake manifold, gas exhaust manifold, turbo charging installation, described cylinder body is provided with cylinder cap, it also comprises twin cam shaft adjustment structure valve timing that is arranged on described cylinder cap top, described twin cam shaft adjust valve timing structure by timing chain with admission cam shaft, exhaust cam shaft is in transmission connection mutually with bent axle, described twin cam shaft adjustment structure valve timing is used for the unlatching moment that the intake valve and the exhaust valve of firing chamber are adjusted in continuous variable ground, described intake manifold is an integral structure, described gas exhaust manifold is provided with three-way catalytic apparatus, described turbo charging installation comprises turbine chamber and pressurized machine, the suction port of described turbine chamber is connected with the gas exhaust manifold of motor, the relief opening of described pressurized machine is connected with the intake manifold of motor through intercooler, and the intake manifold that enters motor behind the heat of compression air refrigeration of intercooler with the turbo charging installation discharge is done work.
Described intake manifold is that high molecule plastic is made into integration, and described gas exhaust manifold is that stainless steel material is made.
Described cylinder body is that aluminum alloy material is made, and described cylinder sleeve is that cast iron materials is made, the setting that closely cooperates of described cylinder sleeve and described cylinder body.
Described firing chamber has two intake valves and two exhaust valves, and described spark-plug hole is positioned at the center of intake valve and exhaust valve.
Compared with the prior art the utility model has following advantage:
At first,, can increase the suction pressure of motor, accelerate the burning of the fuel of motor, make its burning more abundant, thereby improve the output power of motor, reduce exhaust emissions because the utility model is provided with turbo charging installation.
Secondly, the utlity model has the twin cam shaft Variable Valve Time structure of overhead, make intake valve and exhaust valve better to regulate, can improve the rotating speed and the output power of fuel availability and motor according to the motor needs.And, on gas exhaust manifold, be provided with three-way catalytic apparatus, can reduce discharge of harmful gases such as carbon monoxide, hydrocarbon and nitride greatly, realize environmental protection.
Once more, the utility model is introduced the plastic material component in a large number, intake manifold is made by the technology of vibration friction welding, make that the inwall of intake manifold is uniform and smooth, thereby the cast aluminium material intake manifold that has replaced original inner wall coarse, and the weight of intake manifold alleviates greatly, strengthens air inflow, improves combustion efficiency.
The 4th, the utility model is optimized block structure, has reduced cylinder diameter and stroke, thereby reduces engine displacement, has dwindled length, the width of motor, has reduced the height of motor.And adopt the cylinder body and the Cast iron liner of aluminum alloy, alleviated the weight of motor greatly, accelerate the heat radiation of motor.These will make motor convenient in car load is arranged, have better flexibility.
The 5th, change the valve number of firing chamber into two intake valves two exhaust valves, accelerated the speed of air inlet and exhaust, strengthened air inflow, can reach the purpose that promotes engine speed and increase output power.And with the spark-plug hole centering, spark is produced at the mixed gas center, can accelerate velocity of combustion, improve combustion efficiency.
Description of drawings
Accompanying drawing 1 is cylinder body of the present utility model, cylinder sleeve sectional structure schematic representation;
Accompanying drawing 2 is firing chamber of the present utility model four air valve structure schematic representation;
Accompanying drawing 3 is a Double Over Head Camshaft Variable Valve Time structural representation of the present utility model;
Accompanying drawing 4 is a structural upright schematic representation of the present utility model;
Accompanying drawing 5 is a structural representation of the present utility model;
Wherein:
1, cylinder body; 2, cylinder sleeve; 3, intake valve; 4, spark-plug hole; 5, exhaust valve; 6, timing chain; 7, admission cam shaft; 8, firing chamber; 9, bent axle; 10, connecting rod; 11, piston; 12, exhaust cam shaft; 13, double-cam is adjusted structure valve timing; 14, intake manifold; 15, gas exhaust manifold; 16, three-way catalytic apparatus; 17, cylinder cap; 18, turbo charging installation; 19, turbine chamber; 20, pressurized machine; 21, lubricating structure; 22, intercooler.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is elaborated:
As accompanying drawing 1 to shown in the accompanying drawing 3, a kind of have a turbo charged petrol engine, comprises cylinder body 1, cylinder sleeve 2, intake valve 3, spark-plug hole 4, exhaust valve 5, firing chamber 8, bent axle 9, connecting rod 10, piston 11, intake manifold 14, gas exhaust manifold 15, turbo charging installation 18.
As everyone knows, motor produces power by fuel in the combustor inner cylinder work done, because the fuel quantity of input is subjected to sucking air quantitative limitation in the cylinder, therefore the power that motor produced also can be restricted, if the ride quality of motor has been in the optimum state, increasing output power again can only enter cylinder and increase fuel quantity by the compression more air, thereby improves the burning capacity for work.Therefore under present technical specifications, turbosupercharger is the only mechanical device that can make motor increase output power under the constant situation of working efficiency.
Specifically, described turbo charging installation 18 comprises turbine chamber 19 and pressurized machine 20, and the suction port of described turbine chamber 19 is connected with the gas exhaust manifold of motor 15, and the relief opening of turbine chamber 19 then is connected on the outlet pipe.The suction port of pressurized machine 20 is connected with the air-strainer pipeline, and the relief opening of described pressurized machine 20 is connected with the intake manifold 14 of motor through intercooler 22.Enter in the motor by intake manifold 14 behind the heat of compression air refrigeration that intercooler 22 is used for turbo charging installation 18 is discharged and do work.
Pressurized machine 20 is made fresh air behind the pressurized air and is entered in the motor by intake manifold 14 after intercooler 22 coolings and does work.Again through the outlet pipe combustion gas, turbo charging installation 18 also has lubricating structure 21 to the gas that discharge motor acting back through turbine chamber 19.The main effect of turbo charging installation 18 is the suction pressures that increase motor, accelerates the burning of the fuel of motor, makes its burning more abundant, thereby improves the output power of motor, reduces exhaust emissions.
Described cylinder body 1 is provided with cylinder cap 17, it also comprises twin cam shaft adjustment structure valve timing 13 that is arranged on described cylinder cap 17 tops, described twin cam shaft adjustment structure 13 valve timing is in transmission connection admission cam shaft 7, exhaust cam shaft 12 and bent axle 9 mutually by timing chain 6, bent axle 9 at first drives exhaust cam shaft 12 by timing chain 6, and exhaust cam shaft 12 drives admission cam shaft 12 by timing chain 6.
Described twin cam shaft is adjusted valve timing structure 13 and can continuous variable ground be adjusted unlatching moment of the intake valve 3 and the exhaust valve 5 of firing chamber 8, make intake valve 3 and exhaust valve 5 better to regulate the valve size according to the motor needs, can improve the rotating speed and the output power of fuel availability and motor, the output power of motor can reach more than the 40.5kW.
The integral structure that described intake manifold 14 is made for high molecule plastic, specifically, intake manifold is made by the technology of vibration friction welding, make that the inwall of intake manifold is uniform and smooth, thereby the cast aluminium material intake manifold that has replaced original inner wall coarse, make the weight of intake manifold alleviate greatly, strengthen air inflow, improve combustion efficiency.
Described gas exhaust manifold 15 is provided with three-way catalytic apparatus 16, the working principle of three-way catalytic apparatus 16 is: when the vehicle exhaust of high temperature passes through three-way catalytic apparatus, purifying agent in the three-way catalytic apparatus will strengthen the activity of CO, hydrocarbon and three kinds of gases of NOx, impel it to carry out certain OR chemical reaction, wherein CO at high temperature is oxidized into colourless, nontoxic carbon dioxide; Hydrocarbon at high temperature is oxidized to water (H2O) and carbon dioxide; NOx is reduced into nitrogen and oxygen.Three kinds of harmful gases become innocuous gas, and vehicle exhaust is purified.Therefore can reduce discharge of harmful gases such as carbon monoxide, hydrocarbon and nitride greatly, make discharging can reach state's IV and Europe IV standard, realize environmental protection.Described gas exhaust manifold 15 is made for stainless steel material.
In addition, the utility model is also optimized block structure, has reduced cylinder diameter and stroke, and the cylinder-bore diameter on the engine cylinder-body is improved to 68.5mm, and the employing stroke is 50～70mm, reduces discharge capacity to 650～700mL.Thereby reduced engine displacement, dwindled length, the width of motor, reduced the height of motor, made motor compact more.Reduced oil consumption simultaneously, the rotating speed that promotes motor is to 6500r/min, even can reach 7000r/min, reduced exhaust emissions, and discharging can reach state's IV and Europe IV standard.
The setting that closely cooperates of described cylinder sleeve 2 and described cylinder body 1.Described cylinder body 1 is made for aluminum alloy material, and described cylinder sleeve 2 is made for cast iron materials, has alleviated the weight of motor greatly, has reduced oil consumption simultaneously, accelerates the heat radiation of motor.These will make engine application convenient in car load is arranged, have better flexibility.
Described firing chamber 8 has two intake valves 3 and two exhaust valves 5, has accelerated the speed of air inlet and exhaust, has strengthened air inflow, can reach the purpose that promotes engine speed and increase output power.And described spark-plug hole 4 is positioned at the center of intake valve 3 and exhaust valve 5, and spark is produced at the mixed gas center, can accelerate velocity of combustion, improve combustion efficiency.
The foregoing description only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this art can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection domain of the present utility model.
Claims (4)
1. one kind has turbo charged petrol engine, comprise cylinder body (1), cylinder sleeve (2), intake valve (3), spark-plug hole (4), exhaust valve (5), firing chamber (8), bent axle (9), connecting rod (10), piston (11), intake manifold (14), gas exhaust manifold (15), turbo charging installation (18), described cylinder body (1) is provided with cylinder cap (17), it is characterized in that: it also comprises twin cam shaft adjustment structure valve timing (13) that is arranged on described cylinder cap (17) top, described twin cam shaft is adjusted structure valve timing (13) and is passed through timing chain (6) with admission cam shaft (7), exhaust cam shaft (12) is in transmission connection mutually with bent axle (9), described twin cam shaft is adjusted structure valve timing (13) and is used for the unlatching moment that the intake valve (3) and the exhaust valve (5) of firing chamber (8) are adjusted in continuous variable ground, described intake manifold (14) is an integral structure, described gas exhaust manifold (15) is provided with three-way catalytic apparatus (16), described turbo charging installation (18) comprises turbine chamber (19) and pressurized machine (20), the suction port of described turbine chamber (19) is connected with the gas exhaust manifold (15) of motor, and the relief opening of described pressurized machine (20) is connected with the intake manifold (14) of motor through intercooler (22).
2. a kind of turbo charged petrol engine that has according to claim 1 is characterized in that: described intake manifold (14) is for high molecule plastic is made into integration, and described gas exhaust manifold (15) is made for stainless steel material.
3. a kind of turbo charged petrol engine that has according to claim 1, it is characterized in that: described cylinder body (1) is made for aluminum alloy material, described cylinder sleeve (2) is made for cast iron materials, the setting that closely cooperates of described cylinder sleeve (2) and described cylinder body (1).
4. a kind of turbo charged petrol engine that has according to claim 1, it is characterized in that: described firing chamber (8) have two intake valves (3) and two exhaust valves (5), and described spark-plug hole (4) is positioned at the center of intake valve (3) and exhaust valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201857806U CN201539303U (en) | 2009-07-08 | 2009-07-08 | Gasoline engine with turbocharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201857806U CN201539303U (en) | 2009-07-08 | 2009-07-08 | Gasoline engine with turbocharging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539303U true CN201539303U (en) | 2010-08-04 |
Family
ID=42590756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201857806U Expired - Fee Related CN201539303U (en) | 2009-07-08 | 2009-07-08 | Gasoline engine with turbocharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712415A (en) * | 2013-12-11 | 2015-06-17 | 现代自动车株式会社 | Engine system having turbocharger |
-
2009
- 2009-07-08 CN CN2009201857806U patent/CN201539303U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712415A (en) * | 2013-12-11 | 2015-06-17 | 现代自动车株式会社 | Engine system having turbocharger |
| CN104712415B (en) * | 2013-12-11 | 2019-09-03 | 现代自动车株式会社 | Engine system with turbocharger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20140708 |
|
| EXPY | Termination of patent right or utility model |