CN100424333C - Combined type fuel injection system with adjustable stratified variable of rotary table - Google Patents
Combined type fuel injection system with adjustable stratified variable of rotary table Download PDFInfo
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- CN100424333C CN100424333C CNB2006100540630A CN200610054063A CN100424333C CN 100424333 C CN100424333 C CN 100424333C CN B2006100540630 A CNB2006100540630 A CN B2006100540630A CN 200610054063 A CN200610054063 A CN 200610054063A CN 100424333 C CN100424333 C CN 100424333C
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- fuel injection
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- fuel
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Abstract
The invention relates to a rotor disc laminated variable adjustable combined fuel injection system, which comprises an oil tank, a fuel filter, and an oil pump. The invention is characterized in that the air inlet of engine is arranged with a fuel injector which comprises a choke and an inner oil nozzle, a distributor base connected under the choke, an one-way valve and an oil chamber connected with one side of the distributor base, an engine connected with another side of one-way valve, wherein, the invention also comprises an oil inlet nozzle, a stable pressure oil tank and a reflux nozzle communicated with the oil chamber, and a Hall rotation speed sensor arranged on the distributor base. The invention has the advantages that the fuel can be injected into the cylinder laminated variably, to control the injected fuel accurately and distribute the mixed fuel reasonably, while the fuel can be burnt quickly and completely, to improve the dynamic behavior of vehicle, reduce the fuel consumption and reduce the harmful gas.
Description
Technical field
The present invention relates to the engine fuel injection device, be specifically related to a kind of combined type fuel injection system with adjustable stratified variable of rotary table.
Background technique
In recent years, in order to adapt to the requirement of automobile emission regulation increasingly stringent, some countries adopt the mixed gas to admission line inner direct gasoline to form system, be about to the suction port that electric-controlled fuel injector is installed in motor, control by ECU (Electrical Control Unit), successfully replace the carburetor type supply system, and be used for the motor of car and light-duty vehicle more and more.Though employing has many good qualities to the mode of engine charge pipeline inner direct gasoline, but still existing many deficiencies. the inferior course of injection that mainly is fuel oil does not carry out accurate layered displacement-variable control, inflammable mixture ratio irrational distribution in the cylinder, cause the flame conduction slow, it is insufficient to burn, emission performance is not ideal enough, and shock resistance is poor, causes sudden and violent shake easily.Therefore, existing electric injection system exists further improved requirement.
Summary of the invention
The purpose of this invention is to provide a kind of combined type fuel injection system with adjustable stratified variable of rotary table, it can accurately control fuel injection amount, and can layering in course of injection, variable is to the in-cylinder injection fuel oil.
Combined type fuel injection system with adjustable stratified variable of rotary table of the present invention comprises fuel tank, fuel oil filter, oil pump, it is characterized in that: the suction port place at motor is provided with a fuel injection apparatus; This fuel injection apparatus comprises trunnion, is located at the oil nozzle in the trunnion, be connected oil separator seat below the trunnion, cooperate the oil pocket that forms with unidirectional valve seat with unidirectional valve seat and oil separator seat that oil separator seat one side is connected, be connected oil separator seat opposite side motor, be connected at motor shaft end and the oily rotating disk of branch between oil separator seat and unidirectional valve seat, be located on the unidirectional valve seat and an end communicates with oil pocket, the branch oilhole of the other end on minute oily rotating disk wheel rim communicates with oil nozzle in the trunnion nonreturn valve core;
Also comprise the oil intake nozzle, voltage stabilizing fuel tank and the oil return nozzle that communicate with oil pocket respectively, oil intake nozzle communicates with the outlet of oil pump, and oil return nozzle communicates with the import of oil pump.The effect that the voltage stabilizing fuel tank is set is the pressure stability that makes in the oil pocket, and is stable to guarantee oil spout.
Also comprise the Hall speed probe that is located at the oil separator seat, be located on the oily rotating disk of branch and the sensor corresponding that the Hall speed probe is connected with ECU (Electrical Control Unit) (ECU) by lead with the Hall revolution speed sensing.The Hall speed probe will divide the tach signal of oily rotating disk to be sent to ECU (Electrical Control Unit) (ECU).
Described combined type fuel injection system with adjustable stratified variable of rotary table, the oil nozzle that is located in the trunnion is the mosaic oil nozzle.This mosaic oil nozzle processing cost is low, reliable performance.
Described combined type fuel injection system with adjustable stratified variable of rotary table is provided with a plurality of minutes oilholes on the wheel rim of minute oily rotating disk, dividing oilhole is figure hole or profiled holes.To realize that layering, variable ground are to the in-cylinder injection fuel oil.
Described combined type fuel injection system with adjustable stratified variable of rotary table is provided with first stepper motor on trunnion, the axle head of first stepper motor closure rotatingshaft interior with being located at trunnion is connected, and first stepper motor is connected with ECU (Electrical Control Unit) (ECU) by lead.The aperture of closure is regulated by first stepper motor that is subjected to ECU (Electrical Control Unit) (ECU) control, can make the distribution of combustion mixed gas ratio rationally, and burning fast and fully, the power performance of raising automobile reduces fuel consume, reduces noxious gas emission.
Described combined type fuel injection system with adjustable stratified variable of rotary table is provided with relief valve in the front portion of oil return nozzle, the adjusting ratch of relief valve and the gear matched of the second stepper motor axle head, and second stepper motor is connected with ECU (Electrical Control Unit) (ECU) by lead.Relief valve is regulated by second stepper motor that is subjected to ECU (Electrical Control Unit) (ECU) control, can in time regulate the pressure in the oil pocket, realizes the accurate control to fuel injection amount.Overpressure in the oil pocket, relief valve is opened, and fuel oil flows out from return tube, and the pressure in the oil pocket is reduced.
Described combined type fuel injection system with adjustable stratified variable of rotary table is provided with pressure gauge on the voltage stabilizing fuel tank, so that see the pressure indicating graduation in the oil pocket intuitively.
The present invention has the following advantages with existing comparing: owing to be provided with the fuel injection apparatus of stratified variable of rotary table adjustable combination type at the suction port of motor, under the control of ECU (Electrical Control Unit) (ECU), carry out layering, variable ground to the in-cylinder injection fuel oil in to course of injection, the control of oil spurts amount accurately, so, can make and fire the distribution of mixed gas ratio rationally, burning is quick and abundant, the power performance of raising automobile, reduce fuel consume, reduce noxious gas emission.Utilized oil pump, fuel oil filter and the fuel tank of existing fuel oil supply system, so, implement easily.
Description of drawings
Fig. 1 is a schematic representation of the present invention.
Fig. 2 is the structural representation of fuel injection apparatus.
Fig. 3 is the sectional view at trunnion position.
Fig. 4 is the sectional view of mosaic oil nozzle.
Fig. 5 is the structural representation of the oily rotating disk of branch.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is that the oily rotating disk wheel rim of branch is provided with the circular oilhole that divides, the schematic representation that the aperture equates, hole pitch does not wait.
Fig. 8 is that the oily rotating disk wheel rim of branch is provided with the circular oilhole that divides, the schematic representation that the aperture changes from small to large more from big to small, hole pitch also changes from small to large more from big to small.
Fig. 9 is that the oily rotating disk wheel rim of branch is provided with the circular oilhole that divides, the schematic representation that the aperture changes from big to small, hole pitch also changes from big to small.
Figure 10 is that the oily rotating disk wheel rim of branch is provided with the circular and special-shaped schematic representation that divides oilhole.
Figure 11 is the schematic representation that the oily rotating disk wheel rim of branch is provided with a bar shaped and two abnormity branch oilholes.
Figure 12 is the schematic representation that the oily rotating disk wheel rim of branch is provided with two bar shapeds and an abnormity branch oilhole.
Embodiment
Below in conjunction with accompanying drawing structure of the present invention is further described.
Referring to Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, assembling is located at the suction port place fuel injection apparatus of motor.Mosaic oil nozzle 5 is contained in the trunnion, and first stepper motor 18 is installed on the trunnion 4, and the axle head closure rotatingshaft 19 interior with being located at trunnion of first stepper motor is connected, and first stepper motor is connected with ECU (Electrical Control Unit) (ECU) by lead;
With oil separator seat 6 be connected trunnion below, motor 9 is contained in the left side of oil separator seat, the axle head of motor passes the oil separator seat and is connected with dividing oily rotating disk 10, sensor 17 (this example adopts magnet steel) is installed on the oily rotating disk 10 of branch, Hall speed probe 16 is installed on the oil separator seat, and corresponding with sensor 17, the Hall speed probe is connected with ECU (Electrical Control Unit) (ECU) by lead;
Earlier nonreturn valve core 12 is installed on the unidirectional valve seat 7, again the right side of unidirectional valve seat 7 with the oil separator seat is connected, the oil pocket 8 that forms communicates with an end of nonreturn valve core 12, and the branch oilhole 11 of the other end of nonreturn valve core on minute oily rotating disk wheel rim communicates with mosaic oil nozzle 5 in the trunnion; The oil pocket 8 that forms also be installed in unidirectional valve seat on oil intake nozzle 13 communicate, be installed in the oil separator seat on voltage stabilizing fuel tank 14 and oil return nozzle 15 communicate;
Then pressure gauge 24 is contained in the critical component-fuel injection apparatus that promptly constitutes on the voltage stabilizing fuel tank 14 among the present invention.
Referring to Fig. 1, with the outlet UNICOM of the oil intake nozzle on the fuel injection apparatus 13 with oil pump 3, the import UNICOM of oil return nozzle 15 and oil pump 3 promptly constitutes combined type fuel injection system with adjustable stratified variable of rotary table of the present invention with oil pump 3 and fuel oil filter 2 UNICOMs, fuel oil filter 2 with fuel tank 1 UNICOM more successively.
On this basis, selecting to be provided with the different oily rotating disks of branch that divide oilholes (referring to Fig. 7-Figure 12) can obtain various embodiments, does not enumerate one by one.
Claims (6)
1. combined type fuel injection system with adjustable stratified variable of rotary table comprises fuel tank (1), fuel oil filter (2), oil pump (3), and it is characterized in that: the fuel injection apparatus that is connected with oil pump is located at the suction port place of motor; This fuel injection apparatus comprises trunnion (4), be located at the oil nozzle (5) in the trunnion, be connected the oil separator seat (6) below the trunnion, cooperate the oil pocket (8) that forms with unidirectional valve seat with unidirectional valve seat (7) and oil separator seat that oil separator seat one side is connected, be connected the motor (9) of oil separator seat opposite side, be connected at motor shaft end and the oily rotating disk of branch (10) between oil separator seat and unidirectional valve seat, be located on the unidirectional valve seat and an end communicates with oil pocket (8), the nonreturn valve core (12) that the branch oilhole (11) of the other end on minute oily rotating disk wheel rim communicates with oil nozzle (5) in the trunnion;
Also comprise the oil intake nozzle (13), voltage stabilizing fuel tank (14) and the oil return nozzle (15) that communicate with oil pocket (8) respectively, oil intake nozzle communicates with the outlet of oil pump (3), and oil return nozzle communicates with the import of oil pump (3);
Also comprise the Hall speed probe (16) that is located at oil separator seat (6), be located at the oily rotating disk of branch (10) and go up and the sensor (17) corresponding that the Hall speed probe is connected with ECU (Electrical Control Unit) by lead with the Hall speed probe.
2. combined type fuel injection system with adjustable stratified variable of rotary table according to claim 1 is characterized in that: the oil nozzle (5) that is located in the trunnion is the mosaic oil nozzle.
3. combined type fuel injection system with adjustable stratified variable of rotary table according to claim 1 and 2 is characterized in that: be provided with a plurality of minutes oilholes (11) on minute wheel rim of oily rotating disk (10), dividing oilhole is figure hole or profiled holes.
4. combined type fuel injection system with adjustable stratified variable of rotary table according to claim 1 and 2, it is characterized in that: on trunnion (4), be provided with first stepper motor (18), the axle head of first stepper motor closure rotatingshaft (19) interior with being located at trunnion is connected, and first stepper motor (18) is connected with ECU (Electrical Control Unit) by lead.
5. combined type fuel injection system with adjustable stratified variable of rotary table according to claim 1 and 2, it is characterized in that: be provided with relief valve (20) in the front portion of oil return nozzle (15), the adjusting ratch (21) of relief valve cooperates with the gear (23) of second stepper motor (22) axle head, and second stepper motor is connected with ECU (Electrical Control Unit) by lead.
6. combined type fuel injection system with adjustable stratified variable of rotary table according to claim 1 and 2 is characterized in that: be provided with pressure gauge (24) on voltage stabilizing fuel tank (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100540630A CN100424333C (en) | 2006-01-29 | 2006-01-29 | Combined type fuel injection system with adjustable stratified variable of rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100540630A CN100424333C (en) | 2006-01-29 | 2006-01-29 | Combined type fuel injection system with adjustable stratified variable of rotary table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101008361A CN101008361A (en) | 2007-08-01 |
| CN100424333C true CN100424333C (en) | 2008-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100540630A Expired - Fee Related CN100424333C (en) | 2006-01-29 | 2006-01-29 | Combined type fuel injection system with adjustable stratified variable of rotary table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100424333C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338005A (en) * | 2010-07-21 | 2012-02-01 | 派克汉尼汾液压系统(上海)有限公司 | Fuel filter base integrated with electronic oil pump and fuel filter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222953A (en) * | 1997-04-25 | 1999-07-14 | 罗伯特·博施有限公司 | Distributor fuel injection pump |
| CN2361858Y (en) * | 1998-12-18 | 2000-02-02 | 叶金辉 | Fuel-injection device for engine |
| WO2001050008A2 (en) * | 1999-12-31 | 2001-07-12 | Robert Bosch Gmbh | Fuel injection device with a solenoid valve which has both a laminar and a turbulent damping throttle |
| US20040025829A1 (en) * | 2000-09-30 | 2004-02-12 | Gernot Wuerfel | Method and computer programme for operating an internal combustion engine and an internal combustion engine |
-
2006
- 2006-01-29 CN CNB2006100540630A patent/CN100424333C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222953A (en) * | 1997-04-25 | 1999-07-14 | 罗伯特·博施有限公司 | Distributor fuel injection pump |
| CN2361858Y (en) * | 1998-12-18 | 2000-02-02 | 叶金辉 | Fuel-injection device for engine |
| WO2001050008A2 (en) * | 1999-12-31 | 2001-07-12 | Robert Bosch Gmbh | Fuel injection device with a solenoid valve which has both a laminar and a turbulent damping throttle |
| US20040025829A1 (en) * | 2000-09-30 | 2004-02-12 | Gernot Wuerfel | Method and computer programme for operating an internal combustion engine and an internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101008361A (en) | 2007-08-01 |
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Granted publication date: 20081008 Termination date: 20180129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |