CN1056912C - Fuel jetting method for internal combustion engine, device and fuel jetting valve therefor - Google Patents
Fuel jetting method for internal combustion engine, device and fuel jetting valve therefor Download PDFInfo
- Publication number
- CN1056912C CN1056912C CN96106192A CN96106192A CN1056912C CN 1056912 C CN1056912 C CN 1056912C CN 96106192 A CN96106192 A CN 96106192A CN 96106192 A CN96106192 A CN 96106192A CN 1056912 C CN1056912 C CN 1056912C
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- CN
- China
- Prior art keywords
- fuel
- fuelinjection nozzle
- injection
- cylinder
- injection valve
- Prior art date
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/005—Pressure relief valves
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
To near positions of a throttle valve and an injection valve to each other, to reflect change of air capacity speedily to fuel distribution and to improve operativity of an engine by installing the throttle valve to adjust air capacity and the injection valve to adjust fuel together on a collector chamber. A fuel injection valve 1 furnished with a plural number of injection ports is installed on a collector chamber 9 with a throttle valve assembly body installed on its inlet and with a plural number of branch pipes 6 to branch and supply air to each cylinder formed on its outlet. Thereafter, fuel is supplied to the fuel injection valve 1 after it is regulated in pressure by a pressure regulator 2. Consequently, a control diaphragm 2a is controlled by a balance of control pressure in a pressure chamber 2e introduced through a pipe 2h and force of a spring 2c by the regulator 2. Accordingly, fuel pressure is controlled by opening and closing a fuel outlet of a nipple 2i by a valve 2b. The injection valve 1 distributes and injects fuel measured by three orifices to an opening part 7 of each of the branch pipes 6.
Description
The present invention relates to be provided with fuel injection method and the device thereof of the Fuelinjection nozzle of a plurality of fuel injection orifices to the multi-cylinder engine of multi-cylinder fueling with a front end, and the used injection valve of this device.
As existing Fuelinjection nozzle, the vaporizer etc. of for example on each cylinder, being provided with respectively of the fuel injection method of traditional multi-cylinder engine, but because of the cost of injection valve itself is very high, installation and use injection valve can make the cost of whole device increase on each cylinder.In addition, owing to carry out fuel atomization,, exist to be difficult to make the fuel uniform distribution to give the problem of each air-breathing arm because of the difference of described sucking pipe shape and internal combustion engine operation state in the set portion of sucking pipe.
To this, open the consideration of putting down in writing in the clear 53-25889 communique as the spy and make the corresponding fixing injection valve of its injection direction to a plurality of cylinder injection fuel with air-breathing air intake branch with 1.
Yet, in the fuel injection system of said structure, still exist the influence of relation etc. of the injection timing of the injection direction of the flow direction, fuel of mounting point because of Fuelinjection nozzle, air and fuel can not be to the problem of the even fueling of each cylinder.Its result makes distribution condition deterioration between cylinder.
In addition, when adopting this structure, need more accurate control fuel-supplying pressure, with the control negative pressure of pressure regulator by long tube guiding occasion because of the pressure loss the pipe in makes the control negative pressure variation of pressure regulator, hinder correct fuel injection.Therefore must shorten this pipe as far as possible.
Therefore for the fuel injection system of a Fuelinjection nozzle to the multi-cylinder engine of each cylinder fueling of internal-combustion engine, the object of the invention be to provide compact structure simply, can be good to each cylinder uniform distribution fuel, firing effect, internal combustion engine fuel injection method and the device and the Fuelinjection nozzle of low cost of manufacture.
Internal combustion engine fuel injection method of the present invention for achieving the above object, with a Fuelinjection nozzle with a plurality of jetburners respectively to each cylinder burner oil of internal-combustion engine, while is to each cylinder burner oil in arbitrary cylinder breathing process, primary fuel emitted dose when making starting is greater than the primary fuel emitted dose after starting, when starting, carry out half after a while constantly simultaneously to each cylinder burner oil from breathing process, after the starting, after a while injection timing is staggered from this moment.
Fuel indection device in internal combustion engine of the present invention for achieving the above object, this device with a Fuelinjection nozzle respectively to many arm burner oils of internal-combustion engine, possesses the collection case that links to each other with the arm that distributes the suction air to each cylinder, the position, top of facing arm on the outer wall of collection case forms the fitting seat of Fuelinjection nozzle, make the Fuelinjection nozzle body that is installed on this fitting seat be positioned at the outside of collection case, the spray nozzle part of injection valve is inserted in the described fitting seat hole, have a plurality of fuel injection orifices on the described spray nozzle part.The from then on relative arm curved part of fuel tangentially sprays.
The another kind of fuel indection device in internal combustion engine of the present invention for achieving the above object, this device comprises that to many arm burner oils of internal-combustion engine its outlet forms many air intake branches of described internal-combustion engine in the collection case of one respectively with a Fuelinjection nozzle, possesses respectively fuel injector to a plurality of jetburners of each air intake branch burner oil, be installed in the throttle valve assembly on the collection tank inlet, the pressure regulator of controlling the fuel pressure of Fuelinjection nozzle is installed on the collection case, Fuelinjection nozzle is installed in the air intake branch portion of collection case.
Fuelinjection nozzle in apparatus of the present invention for achieving the above object, possessing on it can be to a plurality of jetburner of the multi-cylinder burner oil of motor, makes jetburner diameter near the valve cylinder body inwall of injection valve greater than the jetburner diameter away from this valve cylinder body inwall.
According to the present invention of said structure,, make the variation of air quantity be reflected in the combustion gas branch rapidly and mix because the injection valve that will regulate the throttle valve of air quantity and adjust fuel is installed in the collection case together, and is close to both positions mutually.In view of the above, can make to the fuel distribution of each cylinder and in time follow the variation of air quantity, thereby can improve the runnability of motor and reduce toxic gas purging.
Owing to also make the tube length shortening that imports pilot pressure to pressure regulator, the pressure loss that does not exist therefore pipe to cause, can make the variation in pressure of collection case be delivered to pressure regulator rapidly, variation in pressure is followed in the adjustment of fuel pressure delicately, thereby improves the fuel control accuracy.
Because can make the throttle valve, injection valve and the pressure regulator intensification that are installed on the collection case, thereby make overall compact, this particularly suitable is made the fuel injection system of light-duty vehicle.
Simple declaration to accompanying drawing.
Fig. 1 is the figure of expression injection valve one embodiment's of the present invention band part section,
Fig. 2 is fuel injection system structure one embodiment's of expression employing solenoid valve of the present invention figure,
Fig. 3 is the sectional arrangement drawing and the outline drawing thereof of nozzle bore portion one example of expression injection valve of the present invention,
Fig. 3 A is an injection valve spray nozzle part amplification profile,
Fig. 3 B is corresponding worm's eye view,
Fig. 4 is expression injection valve of the present invention another embodiment, sectional drawing and outline drawing thereof when nozzle and jetburner are provided with by split,
Fig. 4 A is other routine amplification profile of injection valve spray nozzle part jetburner,
Fig. 4 B is corresponding worm's eye view,
Fig. 5 represents another embodiment of injection valve of the present invention, and the jetburner number of Fig. 4 is set at 6 example,
Fig. 5 A is the injection valve spray nozzle part jetburner amplification profile of example in addition,
Fig. 5 B is corresponding worm's eye view,
Fig. 6 represents the another embodiment of injection valve of the present invention, the jetburner number of Fig. 4 is set at 4 example,
Fig. 6 A is the amplification profile of the another example of injection valve spray nozzle part jetburner,
Fig. 6 B is corresponding worm's eye view,
Fig. 7 is expression other embodiment's of injection valve of the present invention sectional drawing and outline drawing thereof,
Fig. 7 A is another other the routine amplification profile of injection valve spray nozzle part jetburner,
Fig. 7 B is corresponding worm's eye view,
Fig. 8 is the figure of expression other installment state of injection valve of the present invention,
Fig. 8 A is other embodiment's of fuel injection system of the present invention stereogram,
Fig. 8 B is corresponding sectional view,
Fig. 9 is the figure of the another installment state of injection valve of the present invention,
Figure 10 makes the same fuel injection amount partition characteristic of jetburner diameter for expression and makes the asynchronous fuel injection amount partition characteristic of these diameters result's figure,
Figure 10 A is the fuel injection characteristic in the identical occasion of fuel injection valves inject mouth diameter hole,
Figure 10 B is the fuel injection characteristic in the identical occasion of fuel injection valves inject mouth diameter hole,
Figure 11 is the whole constitutional diagram of expression fuel injection system of the present invention,
Figure 12 is the further explanatory drawings to Fuelinjection nozzle assembly department of the present invention,
The figure that Figure 13 forms for the part of expression other fuel injection system of the present invention,
The side cutaway view of Figure 14 for Fuelinjection nozzle assembly department of the present invention is elaborated,
Figure 15 is the explanatory drawing to the fuel distributing mechanism of the relative air stream of Fuelinjection nozzle assembly department of the present invention,
Figure 16 is the explanatory drawing to the fuel distributing mechanism of the relative air stream of Fuelinjection nozzle assembly department of the present invention,
Figure 17 is the timing diagram to being used to illustrate that fuel injection system of the present invention fuel injection timing when the machine start describes,
Figure 18 is to the fuel injection system of the present invention timing diagram that fuel injection timing describes after machine start,
Figure 19 is to the fuel injection system of the present invention timing diagram that fuel injection timing describes when machine quickens.
Below, referring to figs. 1 through Fig. 3 one embodiment of the invention are described.The body of Fuelinjection nozzle 1 is the top introducing-type that imports fuel from injection valve body head, and the never illustrated fuel hose of fuel enters pressure regulator 2, enters the inside of injection valve 1 after pressure regulator 2 pressure regulation.
With the pilot pressure that imports the 2e of pressure chamber through pipe 2h, with the Balance Control control barrier film 2a of the elastic force of spring 2c, open and close the fuel outlet of taking over 2i by the valve 2b that is contained on the control barrier film 2a, by the fuel pressure of fuel passage 1b control fueling injection valve.2d is that fuel chambers, 2g are that return path, 2f are the fuel ingress pipe.
The fuel that enters this injection valve is measured, sprays with 3 jetburners 5 (5a, 5b, 5c) that are located on the nozzle 4 by movable valve 3 because of the electromagnetic force knee-action.The fuel that sprays is distributed to the opening portion 7 of the sucking pipe 6 that leads to each cylinder.In the present embodiment, littler for the diameter that makes the fuel of distributing to described opening portion 7 even, make the central injection mouth 5b in 3 jetburners 5 on the nozzle 4 that is located at described Fuelinjection nozzle 1 than the diameter of the jetburner 5a, the 5b that are located at both sides.
In addition, owing to only establishing an injection valve 1 and directly described pressure regulator 2 being entrenched on the head of described injection valve 1, so save the fuel connecting tube.
As mentioned above, owing to can save described fuel connecting tube to each cylinder uniform distribution fuel, and a described injection valve 1 only is set, so can obtain the effect of cost degradation.
Fig. 3 is illustrated in longitudinal section and the outline drawing thereof of establishing 3 jetburners 5 on the nozzle 4 of Fuelinjection nozzle shown in Figure 11 of one embodiment of the invention.
Fig. 4 is for representing that as other embodiments of the present invention section when by split nozzle 4 and jetburner 5 being set and outline drawing thereof are illustrated in the jetburner that becomes with the punch process punching on the thin plate.
Fig. 5 and Fig. 6 be respectively with Fig. 4 in the different embodiment of number of jetburner 5.
Fig. 7 forms the example of end jetburner 5 with respect to Fig. 4, with metal injection moulding for expression.
Fig. 8 is the embodiment of expression installment state of the present invention, sucking pipe 6 is sprayed path 8 with fuel be arranged on example in the other system.
Fig. 9 is another embodiment of expression installment state of the present invention.
Figure 10 makes the identical burner oil partition characteristic of jetburner diameter and implements the figure of the burner oil partition characteristic result when of the present invention for expression is traditional.
Figure 11 represents system diagram.Enter air behind the air filter 21 arrives motors 23 by throttle body 22, collection case 9, sucking pipe 6 Aspirating valves 24.In addition, fuel arrives injection valve 1 through pump 32 sucking-off from fuel tank 31 through fuel distribution tube 33.The required emitted dose of this injection valve 1 is calculated based on the input of various sensors by control unit 41 and is decided.In the present invention, the described injection valve 1 in this system is not to be provided with respectively on each cylinder but to distribute fuel with such valve to multi-cylinder.
201,202,203 for being used for the pressure control of EGR (exhaust gas recirculation) valve etc. with the joint of pressure derivation respectively.In the present invention,, make the pressure that pressure becomes and the fuel injection is correlated closely of this set portion, be subjected to the control of this pressure controlled other device just may become the control that reflects the fuel spray regime owing to injection valve 1 being installed on the collection case 9.
Figure 12 is the figure of expression another embodiment of the present invention, band broken section.In this example, air is by throttle body 22, through of sucking pipe 6 shuntings of collection case 9 to each cylinder, in the present embodiment, the spray-hole portion of injection valve 1 is arranged on to go up as 6 ones of the sucking pipes of downstream one side of the collection case 9 of air trapping portion be exactly to constitute air stream is suppressed at the turbulent flow that jet atomization from 3 directions to the place of all directions shunting of described sucking pipe 6 that carry out causes.
In addition, in the present embodiment, though the pressure regulator 2 and the described injection valve 1 of fuel metering pressure are not combined into one, yet adopt with described injection valve 1 being fixed, formed fuel passage and making structure very compact the retaining member 35 that described pressure regulator 2 maintains.Here make the ostium 36 inflow spargers of the fuel of necessary amount, make fuel return fuel tank by described pressure regulator 2 above authorized pressure from described retaining member 35.
Figure 13 is seen over from Figure 12 side, and has added the figure of conventional fuel system.In the past, injection valve 101 was installed on each cylinder, also needed to be provided as the fuel tube pipeline 102 that is connected with each cylinder of fuel passage, and this also makes cost improve except taking up space.
Figure 14 is the sectional drawing along the sucking pipe path of present embodiment.From this figure, also can find out, carry out fuel in decision from collection case 9 to a dirty side of the air stream of sucking pipe 6 and spray.Owing to save the traditional type fuel system, have the effect of the design freedom increase that makes described sucking pipe 6.
Figure 15 is the sketch of the structure of expression another embodiment of the present invention, (a) is that plan view, (b) are side view.In this example, though carry out to the injection that collects case 9, this moment, the injection plane in 3 directions imported from Vertical direction from vertically opposite with air, so very little to minute influence of mist distribution.
Figure 16 represents other embodiment, because the fuel that spray in the collection case 9 are pushed by air stream, thereby considers that flowing into fuel between the cylinder of a side to air distributes and reduce, and is necessary the size of injection direction and jetburner is set.
Figure 17 to Figure 19 is the time diagram of explanation fuel injection timing.
Each breathing process carries out slowly latter half part at breathing process roughly simultaneously to each cylinder injection during starting.Enter ignition timing after the starting, injection timing can only stagger from each breathing process by the air stream advancement amount backward.Then irrelevant during acceleration with breathing process, press needed timed injection according to acceleration mode.
Emitted dose TP1 when in addition, being necessary to make starting is greater than the emitted dose TP2 after starting.This is because starting the time exists the bigger load or the cause of resistance.
According to the present invention, can not only be with 1 injection valve to a plurality of cylinder injection fuel, and fuel evenly can be distributed to each cylinder, reduce thereby provide the runnability that can make motor to improve toxic air displacement, and also can get the fuel injection system that cost reduces.
Claims (15)
1. internal combustion engine fuel injection method, with a Fuelinjection nozzle with a plurality of jetburners respectively to each cylinder burner oil of internal-combustion engine, while is to each cylinder burner oil in arbitrary cylinder breathing process, primary fuel emitted dose when making starting is greater than the primary fuel emitted dose after starting, it is characterized in that when starting, carry out half after a while constantly simultaneously to each cylinder burner oil from breathing process, after the starting, after a while injection timing is staggered from this moment.
2. according to the described method of claim 1, it is characterized in that when quickening, using simultaneously timing beyond the gas process from each jetburner to each cylinder burner oil.
3. one kind is the fuel indection device in internal combustion engine of implementing the described method of claim 1, this device with a Fuelinjection nozzle (1) respectively to many arms (6) burner oil of internal-combustion engine, possesses the collection case (9) that links to each other with the arm (6) that distributes the suction air to each cylinder, it is characterized in that the position, top of facing arm (6) on the outer wall of collection case (9) forms the fitting seat of Fuelinjection nozzle (1), make the Fuelinjection nozzle body that is installed on this fitting seat be positioned at the outside of collection case (9), the spray nozzle part of injection valve (1) is inserted in the described fitting seat hole, have a plurality of fuel injection orifices on the described spray nozzle part, the fuel from then on curved part of the relative arm of jetburner tangentially sprays.
4. according to the described device of claim 3, it is characterized in that go up forming the negative pressure drawing-off mouth pilot pressure of the pressure regulator that the negative pressure of drawing from one of them negative pressure drawing-off mouth is regulated with the fuel pressure of the described fuel injector of supply (1) of opposing at collection case (9).
5. one kind is the fuel indection device in internal combustion engine of implementing the described method of claim 1, this device with a Fuelinjection nozzle (1) respectively to many arms (6) burner oil of internal-combustion engine, be included in the collection case (9) of its outlet with many air intake branches (6) the formation one of described internal-combustion engine, possesses respectively fuel injector (1) to a plurality of jetburners of each air intake branch (6) burner oil, its body is installed in the throttle valve on the inlet that collects case (9), the pressure regulator of the fuel pressure of control Fuelinjection nozzle, it is characterized in that Fuelinjection nozzle (1) is installed in the air intake branch portion of collection case (9), described pressure regulator is installed on the collection case (9).
6. according to the described device of claim 5, it is characterized in that described injection valve (1) is the top introducing-type, the fuel outlet portion of described pressure regulator is arranged to the fuel outlet portion of described pressure regulator is arranged to the head top of close injection valve (1) near introducing-type.
7. according to the described device of claim 6, it is characterized in that using injection valve (1) power fixedly time the on described internal-combustion engine parts simultaneously described pressure regulator to be fixed.
8. Fuelinjection nozzle as using in the device as described in claim 3 or 5, possessing on it can be to a plurality of jetburner of each cylinder burner oil of multicylinder engine, it is characterized in that constituting the jetburner diameter that makes near the valve cylinder body inwall of injection valve (1) greater than the jetburner diameter away from this cylinder inboard wall.
9. Fuelinjection nozzle according to claim 8 is characterized in that making the injection diameter of close described Fuelinjection nozzle shaft axis less than the injection diameter away from this central shaft.
10. Fuelinjection nozzle according to claim 8 is characterized in that described jetburner number is 3, makes the injection diameter that is positioned at central authorities be smaller than the nozzle inside diameter that is positioned at both sides.
11. Fuelinjection nozzle according to claim 8 is characterized in that the spray orifice of described Fuelinjection nozzle is formed by punch process.
12. Fuelinjection nozzle according to claim 8 is characterized in that making the spray orifice of described Fuelinjection nozzle from the direct break-through of the nozzle with portion.
13. Fuelinjection nozzle according to claim 8, the spray orifice that it is characterized in that making described Fuelinjection nozzle break-through from nozzle with portion and other member.
14. Fuelinjection nozzle according to claim 13 is characterized in that described other member is the thin plate of stainless steel.
15. Fuelinjection nozzle according to claim 13 is characterized in that described other member is the stainless steel material sintered part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP182420/95 | 1995-07-19 | ||
| JP182420/1995 | 1995-07-19 | ||
| JP7182420A JPH0932699A (en) | 1995-07-19 | 1995-07-19 | Fuel injection method and device of internal combustion engine and fuel injection valve used for it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1141391A CN1141391A (en) | 1997-01-29 |
| CN1056912C true CN1056912C (en) | 2000-09-27 |
Family
ID=16117978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96106192A Expired - Fee Related CN1056912C (en) | 1995-07-19 | 1996-07-19 | Fuel jetting method for internal combustion engine, device and fuel jetting valve therefor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0932699A (en) |
| KR (1) | KR970006940A (en) |
| CN (1) | CN1056912C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100381696C (en) * | 2003-02-12 | 2008-04-16 | 本田技研工业株式会社 | Fuel-feeding device in two-wheeled motor vehicle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009047704A1 (en) * | 2009-12-09 | 2011-06-16 | Robert Bosch Gmbh | Fuel injection valve |
| CN106150819B (en) * | 2015-04-01 | 2018-07-17 | 光阳工业股份有限公司 | The silencing means of engine injection valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2059503A (en) * | 1979-09-12 | 1981-04-23 | Nippon Denso Co | Fuel Supply Devices for Multi- cylinder Internal Combustion Engines |
-
1995
- 1995-07-19 JP JP7182420A patent/JPH0932699A/en active Pending
-
1996
- 1996-07-18 KR KR1019960029010A patent/KR970006940A/en not_active Application Discontinuation
- 1996-07-19 CN CN96106192A patent/CN1056912C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2059503A (en) * | 1979-09-12 | 1981-04-23 | Nippon Denso Co | Fuel Supply Devices for Multi- cylinder Internal Combustion Engines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100381696C (en) * | 2003-02-12 | 2008-04-16 | 本田技研工业株式会社 | Fuel-feeding device in two-wheeled motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1141391A (en) | 1997-01-29 |
| KR970006940A (en) | 1997-02-21 |
| JPH0932699A (en) | 1997-02-04 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |