CN100386514C - Fuel injection equipment of motorcycle - Google Patents
Fuel injection equipment of motorcycle Download PDFInfo
- Publication number
- CN100386514C CN100386514C CNB2003101103558A CN200310110355A CN100386514C CN 100386514 C CN100386514 C CN 100386514C CN B2003101103558 A CNB2003101103558 A CN B2003101103558A CN 200310110355 A CN200310110355 A CN 200310110355A CN 100386514 C CN100386514 C CN 100386514C
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- fuel
- fuel injection
- engine
- injection apparatus
- spark plug
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Abstract
The present invention relates to fuel injection equipment of a motorcycle. A motorcycle is provided with an engine which is provided with a cylinder, a cylinder end, a spark plug, a cooling fan, fuel injection equipment and a fuel pressure regulator, wherein the cylinder end is provided with a burning chamber; the outside of the cooling fan is provided with a fan cover; the fuel injection equipment is provided with a fuel inlet, a fuel nozzle, a high pressure air inlet, a premixing chamber, a fuel outlet and a mixing gas nozzle and is arranged on the cylinder end, and the fuel pressure regulator is arranged in the fuel injection equipment; the mixing gas nozzle of the fuel injection equipment is arranged by facing to the burning chamber of the cylinder end, and the spark plug is arranged by facing to the side of the fan cover and is positioned on a cooling air channel formed by the fan cover and an engine cover; the fuel inlet and the fuel outlet of the fuel injection equipment are arranged by facing to the reverse direction of the spark plug. The present invention can improve the convenience of the assembly of the fuel injection equipment and ensure the safety of the movement of the engine.
Description
＜technical field 〉
The present invention relates to a kind of arrangement of fuel injection apparatus of motorcycle, particularly relate to a kind of fuel injection apparatus that makes and reach property easy to assembly, and guarantee the structure of the Security of engine work.
＜background technique 〉
The start of general vehicle, as motorcycle, all-terrain vehicle etc., be after the fresh air of external world's importing and fuel oil are mixed into oil gas, again the oil gas input engine is fired generation power, move reciprocatingly and promote piston, drive belt speed change mechanism via bent axle and carry out transmission, to reach the purpose of advancing.Existing as No. the 448902nd, TaiWan, China patent gazette Announcement Number " the speed gram reaches injection engine locomotive engine cover structure ", utilize Carburetor to carry out the scooter motorcycle engine 1 of two strokes of oil gas mixing, see also shown in Figure 1, it mainly is a sheathed engine cover cap 2 outside engine 1, utilize bent axle 15 to drive cooling fan 16 and produce cooling air, engine is cooled off, and utilize engine cover cap 2 to prevent that the cooling air of cooling engine from leaking, and the noise that is produced when reducing the engine running, offer a hole 21 in the central corresponding part in engine cover cap 2 and engine 1 upper end in addition, be fixed at engine 1 top and can a ccontaining spark plug (being ignition mechanism) 11 pass this hole, the fresh air of extraneous introduction is Carburetor (herein not drawing) mixes formation oil gas with gasoline after, promptly follow suction port 12 and enter cylinder 13, and 11 igniting of oily spark plug cause and fire, thereby promote the piston start and produce power, waste gas is then discharged by relief opening 14, this structure is used by the motorcycle dealer always, and it really can reach the purpose that produces power, simultaneously, because of being provided with a hole 21 at engine cover cap 2, and spark plug 11 is again to utilize the spiral shell mode of establishing to fix, so hole 21 can provide being screwed into and screwing out of spark plug 11, for the operation of maintain and replace.But, utilize its burning of two-stroke engine motorcycle of Carburetor more incomplete, the raising that can pollute, so the motorcycle dealer who has is arranged at injection engine on the motorcycle, and injection engine is arranged at the difficulty that has it to overcome on the motorcycle, how fuel injection apparatus wherein is set reaching the convenience of assembling, and guarantees the Security of engine start, be still the problem that the motorcycle dealer must solve at exploitation two stroke injection engine motorcycles.
＜summary of the invention 〉
The fuel injection apparatus that the purpose of this invention is to provide a kind of motorcycle can improve the convenience of fuel injection apparatus assembling, and guarantees the Security of engine start.
In order to achieve the above object, the invention provides a kind of fuel injection apparatus of motorcycle, this motorcycle is provided with an engine, this engine is provided with cylinder, cylinder head, spark plug, cooling fan, an and fuel injection apparatus, one fuel pressure regulator, this cylinder head has the firing chamber, the cooling fan outside is provided with fan cover, this fuel injection apparatus is provided with fuel filler, fuel nozzle, the high-pressure air inlet, the premixing chamber, fuel outlet and mixed gas nozzle, it is characterized in that: this fuel injection apparatus is arranged on the cylinder head, and in fuel injection apparatus, establish this fuel pressure regulator, and the mixed gas nozzle of this fuel injection apparatus is provided with towards the firing chamber of cylinder head, and spark plug is provided with towards the fan cover side, and be positioned on fan cover and the formed cooling air passway of hood, and the fuel filler of this fuel injection apparatus and fuel outlet are towards the setting of spark plug opposite direction.
The fuel injection apparatus of motorcycle of the present invention, it mainly is that fuel injection apparatus is arranged on the cylinder head, and in fuel injection apparatus, be provided with fuel pressure regulator, the mixed gas nozzle of this fuel injection apparatus is provided with towards the firing chamber of cylinder head, again spark plug is provided with towards the fan cover side, by spark plug being arranged on fan cover and the cooling air passway that hood formed, and oil inlet pipe of this fuel injection apparatus and fuel-displaced piping are provided with towards the spark plug opposite direction, and can improve the convenience of fuel injection apparatus assembling, and guarantee the Security of engine start.
＜description of drawings 〉
For being easier to understand the present invention's structure and the effect that can reach, cooperation now illustrates as follows:
Fig. 1 is the sectional view of existing two stroke motor engines.
Fig. 2 is the sectional view of the present invention's two stroke injection engines.
Fig. 3 is the present invention's one actuator state schematic representation.
＜embodiment 〉
At first see also Fig. 2, be two stroke injection engines of the present invention, main system is made of engine 3 and fuel injection apparatus 4, this engine 3 includes cylinder 31, cylinder head 311, crankcase 32 and ignition mechanism 33 members such as (being spark plug), wherein, a sheathed engine cover cap 30 outside this engine 3, these cylinder 31 tops are cylinder head 311, and be provided with in cylinder 31 bodies one in cylinder 31 reciprocating piston 312, this cylinder head 311 has a firing chamber 313 for the mixed oil and gas burning.Be provided with bent axle 321 in this crankcase 32, this bent axle 321 is connected with piston 312 by a connecting rod 322, the to-and-fro motion of piston 312 can be converted to rotatablely moving of bent axle 321, and drive cooling fan 323 and produce cooling air, these cooling fan 323 outsides are provided with fan cover 324, cooling fan 323 cooling air that produces is cooled off engine 3, and utilizes engine cover cap 30 to prevent that the cooling air of cooling engine 3 from leaking.This ignition mechanism 33 is a spark plug, is to be arranged on the cylinder head 311, and main system emits spark, makes the interior mixed oil and gas ignition in engine 3 firing chamber 313, and wherein, spark plug 33 is to be positioned on the cooling air passway that fan cover 324 and engine cover cap 30 formed.
This fuel injection apparatus 4 is to be arranged on the cylinder head 311, and be provided with an outer covering 40 in the outside, and this fuel injection apparatus 4 has a fuel filler 41 that fuel oil is entered, one can spray into the fuel oil that enters from fuel filler 41 fuel nozzle 42 in the premixing chamber 46, one provides high-pressure air to enter fuel injection apparatus 4 interior high-pressure airs enters the mouth 43, one can make the fuel outlet 44 of the fuel oil discharge of excessive pressure, one fuel oil enter and pressure when excessive the can regulate fuel pressure make its fuel pressure regulator 45 by fuel outlet 44 discharges, one is arranged at the premixing chamber 46 that fuel oil can be mixed with high-pressure air in the fuel injection apparatus 4, one can be ejected to mixed gas the mixed gas nozzle 47 of firing chamber 313, one can be connected to the Signal connector 48 of electronic control unit 8, wherein, the fuel filler 41 of this fuel injection apparatus 4 and fuel outlet 44 are towards spark plug 33 opposite direction settings.
The inferior Fig. 3 that sees also, be the present invention's actuator state figure, as shown in the figure, the present invention's two stroke injection engines, an air inlet system 51 that provides air to enter engine 3 is provided, one is arranged in the air inlet system 51 and the limit air flow enters the throttle valve 52 of engine 3, the throttle valve opening sensor 53 of one perception throttle valve, 52 apertures, one fuel oil fuel tank 61 for the fuel oil storage, one can pump fuel oil and again with the fuel pump 62 of its output from fuel oil fuel tank 61, one is subjected to a lubricating pump 71 that electronic control unit 8 controlled and a lubricating oil tank 72, that is connected with lubricating pump 71 to be located at temperature transducer 314 and engine winding number sensor 315 on the engine 3.
This electronic control unit 8 can receive respectively the rotating speed of engine 3, the aperture of throttle valve 52 and the temperature of engine 3 etc. become because of, and calculated comparison, export pilot signal again, provide fuel oil with decision.
Please cooperate simultaneously and consult Fig. 2,3, when the present invention's two stroke injection engines 3 turn round, at first import in the engine 3 by the fresh air of air inlet system 51 with the external world, and the fuel pump 62 of fuel oil fuel tank 61 pumps fuel oil to fuel injection apparatus 4, through fuel filler 41 to fuel nozzle 42, and the fuel oil of fuel pressure regulator 45 can regulate excessive pressures makes it be expelled in the fuel oil fuel tank 61 by fuel outlet 44, after an amount of fuel oil and 43 high-pressure airs that enter that entered the mouth by high-pressure air are mixed into oil gas in premixing chamber 46, by mixed gas nozzle 47 oil gas is sprayed into and to fire generation power in the firing chamber 313, move reciprocatingly and promote piston 312, drive bent axle 321 by connecting rod 322 and do rotation synchronously.
And electronic control unit 8, receive temperature transducer 314, engine winding number sensor 315 and throttle valve opening sensor 53 temperature, engine 3 winding number and the resultant data of throttle valve 52 apertures size of sensing engine 3 respectively, and find each circulating fuel injection quantity according to nozzle parameter; Receive various signals by electronic control unit 8, in addition analytical calculation provides fuel oil with decision, makes the fully perfect combustion firing chamber 313 in of fuel oil energy of fuel injection apparatus 4 atomizings, and then the combustion efficiency of lifting engine 3, the deterioration degree of attenuating air quality.
And the present invention system is arranged at fuel injection apparatus 4 on the cylinder head 311, and in fuel injection apparatus 4, be provided with fuel pressure regulator 45, the mixed gas nozzle 47 of this fuel injection apparatus 4 is provided with towards the firing chamber 313 of cylinder head 311, again with spark plug 33 towards fan cover 324 side settings, by spark plug 33 being arranged on the cooling air passway that fan cover 324 and hood 30 formed, this cooling air can cool off the temperature of spark plug 33, and when assembling fuel injection apparatus 4, this spark plug 33 is because of being positioned at fan cover 324 sides, can not interfere with the assembling of fuel injection apparatus 4, reach the convenience of assembling, and the fuel filler 41 of this fuel injection apparatus 4 and fuel outlet 44 are towards spark plug 33 opposite direction settings, make spark plug 33 away from fuel filler 41 and fuel outlet 44, to guarantee the Security of engine 3 start, when making two stroke injection engines be arranged at motorcycle, reach the convenience of assembling and guarantee the Security of engine start.
In sum, the present invention really can promote the convenience of fuel injection apparatus assembling, and guarantees the Security of engine start.
Claims (1)
1. the fuel injection apparatus of a motorcycle, this motorcycle is provided with an engine, this engine is provided with cylinder, cylinder head, spark plug, cooling fan, an and fuel injection apparatus, one fuel pressure regulator, this cylinder head has the firing chamber, the cooling fan outside is provided with fan cover, this fuel injection apparatus is provided with fuel filler, fuel nozzle, the high-pressure air inlet, the premixing chamber, fuel outlet and mixed gas nozzle, it is characterized in that: this fuel injection apparatus is arranged on the cylinder head, and in fuel injection apparatus, establish this fuel pressure regulator, and the mixed gas nozzle of this fuel injection apparatus is provided with towards the firing chamber of cylinder head, and spark plug is provided with towards the fan cover side, and be positioned on fan cover and the formed cooling air passway of hood, and the fuel filler of this fuel injection apparatus and fuel outlet are towards the setting of spark plug opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101103558A CN100386514C (en) | 2003-12-29 | 2003-12-29 | Fuel injection equipment of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101103558A CN100386514C (en) | 2003-12-29 | 2003-12-29 | Fuel injection equipment of motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1635272A CN1635272A (en) | 2005-07-06 |
| CN100386514C true CN100386514C (en) | 2008-05-07 |
Family
ID=34843208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101103558A Expired - Fee Related CN100386514C (en) | 2003-12-29 | 2003-12-29 | Fuel injection equipment of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100386514C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04262065A (en) * | 1991-02-18 | 1992-09-17 | Yamaha Motor Co Ltd | Fuel injection device of engine for motorcycle |
| CN1168713A (en) * | 1994-10-19 | 1997-12-24 | 安德烈·德茹 | Device for injecting a fuel gas mixture into a combustion engine |
| CN2431146Y (en) * | 2000-06-01 | 2001-05-23 | 光阳工业股份有限公司 | Engine shroud device for jet engine motorcycle |
| CN2435534Y (en) * | 2000-08-14 | 2001-06-20 | 光阳工业股份有限公司 | Auxiliary fuel-injection apparatus for two-stroke injection engine motorcycle |
| TW536584B (en) * | 2002-02-14 | 2003-06-11 | Keihin Corp | Fuel injection apparatus |
-
2003
- 2003-12-29 CN CNB2003101103558A patent/CN100386514C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04262065A (en) * | 1991-02-18 | 1992-09-17 | Yamaha Motor Co Ltd | Fuel injection device of engine for motorcycle |
| CN1168713A (en) * | 1994-10-19 | 1997-12-24 | 安德烈·德茹 | Device for injecting a fuel gas mixture into a combustion engine |
| CN2431146Y (en) * | 2000-06-01 | 2001-05-23 | 光阳工业股份有限公司 | Engine shroud device for jet engine motorcycle |
| CN2435534Y (en) * | 2000-08-14 | 2001-06-20 | 光阳工业股份有限公司 | Auxiliary fuel-injection apparatus for two-stroke injection engine motorcycle |
| TW536584B (en) * | 2002-02-14 | 2003-06-11 | Keihin Corp | Fuel injection apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 小型二冲程汽油机电控汽油喷射系统的研制. 曾科，刘兵，陈波宁.内燃机工程，第24卷第6期. 2003 |
| 小型二冲程汽油机电控汽油喷射系统的研制. 曾科，刘兵，陈波宁.内燃机工程，第24卷第6期. 2003 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1635272A (en) | 2005-07-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| 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: 20080507 Termination date: 20171229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |