CN103032177A - Diesel engine fuel supply advance angle adjusting device - Google Patents
Diesel engine fuel supply advance angle adjusting device Download PDFInfo
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- CN103032177A CN103032177A CN201210571247XA CN201210571247A CN103032177A CN 103032177 A CN103032177 A CN 103032177A CN 201210571247X A CN201210571247X A CN 201210571247XA CN 201210571247 A CN201210571247 A CN 201210571247A CN 103032177 A CN103032177 A CN 103032177A
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Abstract
The invention discloses a diesel engine fuel supply advance angle adjusting device, which comprises a drawing board, a painting brush component and an fuel overflowing component, wherein the drawing board is arranged on a diesel engine body; the painting brush component is arranged on a fuel injection pump drive connecting device of a diesel engine and is rotated synchronously with the fuel injection pump drive connecting device; a motion trail can be drawn on the drawing board by the painting brush component when moving along with the movement of the fuel injection pump drive connecting device simultaneously; the fuel overflowing component is communicated with a fuel injection pump of the diesel engine; and fuel is overflown through the fuel overflowing component when the fuel injection pump pumps fuel to a set liquid level. Therefore, according to the diesel engine fuel supply advance angle adjusting device, through a mechanical structure, the coordination of a fuel face position and a rotation connector is ensured, the consistency of an initial position of a liquid face is ensured through the device, and the accuracy of the adjustment of a fuel supply advance angle is improved.
Description
Technical field
The present invention relates to diesel engine assembling, adjusting and service equipment technical field, particularly a kind of fuel injection advanced angle controlling device.
Background technique
Along with the fast development of economic construction, the every field that diesel engine is large with its power range, good economy performance, high reliability are applied to the economic construction such as automobile, engineering machinery, boats and ships and generating more and more widely.For diesel engine, fuel supply advance angle is a very important parameter, the angle of corresponding dead center position on diesel engine when fuel injection advanced angle refers to that Injection Pump begins fuel feeding, the size of fuel supply advance angle directly affects pressure of explosion, the delivery temperature of diesel engine, fuel consumption rate, the performance index such as smoke intensity, also the exhaust index of diesel engine had a great impact, therefore, the accuracy of Injection Pump fuel supply advance angle and conformity are very important
Diesel engine all needs to carry out adjusting and the inspection of fuel injection advanced angle in assembling when performance optimization and application maintenance, so that diesel engine can keep best power character and Economy.
At present, generally regulate Injection Pump according to staff's experience oily anterior angle is provided, the staff need to forward flywheel to first the fuel supply advance angle scale position of the regulation of a certain cylinder of diesel engine, the wheel cylinder that Injection Pump is corresponding is transferred to the fuel feeding position, with oil transfer pump pump foot fuel oil, the clamping bolt of transmission shaft flange is unclamped, Injection Pump and driving gear are thrown off, rotating Injection Pump driving coupling arrangement pumps fuel oil, then along Injection Pump operative orientation reversed turning, slowly rotate and examine the fuel-displaced position of the tight cap of Injection Pump outlet valve along the Injection Pump operative orientation again, the fuel oil Injection Pump joiner that stops operating when just having emerged, tighten the transmission shaft clamping bolt, fuel supply advance angle is regulated and is finished.
From above-mentioned adjustment process as can be known, when carrying out the fuel injection advanced angle adjusting, the tight cap oil outlet of manual observation Injection Pump outlet valve position, and require to rotate the Injection Pump joiner and observe fuel-displaced close fit, so just be difficult to conformity and the accuracy of control fuel supply advance angle; Simultaneously, the micro-judgment that when fuel supply advance angle is regulated, mainly relies on the staff, staff's qualification, the standard etc. of rotating joiner and observing fuel-displaced cooperation order of accuarcy, the collimation error, fuel-displaced position all affect greatly accuracy and the conformity of fuel injection advanced angle, the observation caliber of different adjusting personnel selections also has difference, the fuel supply advance angle difference that adjusts is larger, even if same person is regulated, each result who regulates is also variant.
Therefore, how to overcome the error that the staff regulates generation by rule of thumb, improve the precision that fuel supply advance angle is regulated, guarantee that diesel engine is in better working state, needs the problem of solution badly with regard to becoming those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of fuel injection advanced angle controlling device, it has changed the present situation that fuel supply advance angle is regulated by rule of thumb, has guaranteed conformity and precision that fuel supply advance angle is regulated.
For solving the problems of the technologies described above, the invention provides a kind of fuel injection advanced angle controlling device, comprise the drawing board that is installed on diesel-engine body, the paintbrush assembly that can draw at described drawing board movement locus, and the oil spilling assembly that is communicated with the Injection Pump of diesel engine and behind oil spilling, closes, the Injection Pump that described paintbrush assembly is installed on described diesel engine drives on the coupling arrangement and drives coupling arrangement with described Injection Pump and rotates synchronously.
Preferably, described paintbrush assembly comprises paintbrush body and the dynamical element that is in transmission connection with described paintbrush body, and the end of described paintbrush body is towards described drawing board, and under the driving of described dynamical element near or away from described drawing board.
Preferably, described dynamical element is the electromagnet that is installed on the described Injection Pump driving coupling arrangement, and described electromagnet is connected with the traveling electrode wire with fixed electrode.
Preferably, be provided with damping spring between described paintbrush body and the described electromagnet.
Preferably, described overflow assembly comprises the oil outlet tube that is communicated with described Injection Pump, and the radial communication of described oil outlet tube has oil spill pipe, is provided with valve on the described oil spill pipe; Described oil outlet tube axially be provided with piston, offer intercommunicating pore on the described piston, described piston the Injection Pump charge oil pressure and be arranged at described piston and described oil outlet tube between the effect of return spring under along the axially reciprocating of described oil outlet tube, so that described intercommunicating pore is communicated with or ends with described oil spill pipe, described traveling electrode is arranged on the described piston.
Preferably, be provided with electrode on the described piston and be connected with electromagnet one electrode by wire, the centre is provided with hand switch; Described fixed electrode is connected by another electrode of wire and electromagnet, and the centre is provided with power supply.
Preferably, the described oil outlet tube of described fixed electrode blow-by.
Preferably, described overflow assembly also comprises and is arranged at described return tube drain line radially, and described drain line is communicated with or ends with return tube by switch valve.
Preferably, described oil outlet tube is transparent pipe.
Fuel injection advanced angle controlling device provided by the present invention comprises drawing board, paintbrush assembly and oil spilling assembly, wherein, drawing board is installed on diesel-engine body, the Injection Pump that the paintbrush assembly is installed on diesel engine drives on the coupling arrangement and drives coupling arrangement with Injection Pump and rotates synchronously, the paintbrush assembly can draw movement locus at drawing board when driving the coupling arrangement motion along with Injection Pump, the oil spilling assembly is communicated with the Injection Pump of diesel engine, closes oil spill pipe behind the oil spilling assembly oil spilling.
When regulating fuel injection advanced angle, first flywheel is forwarded to the fuel supply advance angle scale position of the regulation of a certain cylinder of diesel engine, the wheel cylinder that Injection Pump is corresponding is transferred to the fuel feeding position, with Injection Pump pump foot fuel oil; The clamping bolt of the transmission shaft flange of diesel engine is unclamped, drawing board is installed in the appropriate location of diesel-engine body, rotating Injection Pump driving coupling arrangement pumps fuel oil, when the fuel oil pushing piston that pumps goes upward to piston intercommunicating pore and the connection of oil spilling hole, fuel oil flows out from oil spill pipe, stop pump oil this moment, the conformity of the pasta position when guaranteeing so again pump oil; Then, along Injection Pump operative orientation reversed turning, because the effect pasta invariant position of Injection Pump outlet valve, close the oil spill pipe valve, rotate along the Injection Pump operative orientation again, the fuel oil pushing piston that pumps continues to move upward, when piston touched fixed electrode, electromagnet power supply was switched on, and electromagnet is released rapidly the paintbrush assembly, the paintbrush assembly drives the coupling arrangement rotation with Injection Pump and draws movement locus at drawing board, the initial point of movement locus is Injection Pump commencement of fuel supply position, opens the valve of drain line oil is emitted, and piston is descending under the effect of return spring, electromagnet power supply disconnects, paintbrush assembly return, the revolution joiner rotates joiner by the Injection Pump operative orientation again the paintbrush assembly is alignd with initial point in the movement locus, tighten transmission shaft flange, fuel supply advance angle is regulated and is finished.
Like this, guarantee the pasta position and rotated the coordination that Injection Pump drives coupling arrangement by mechanical structure by the fuel injection advanced angle controlling device, relied on device to guarantee the conformity of liquid level initial position, improved precision and conformity that fuel supply advance angle is regulated.
In a kind of embodiment, described paintbrush assembly provided by the present invention comprises the paintbrush body and is installed on the electromagnet that described Injection Pump drives on the coupling arrangement, drives the motion of paintbrush body, described electromagnet is connected with the fixed electrode wire, be provided with damping spring between paintbrush body and the electromagnet, damage paintbrush body when damping spring can be avoided unexpected ejections of electromagnet when energising paintbrush body, the Security that has improved the paintbrush body.
In another kind of embodiment, overflow assembly provided by the present invention comprises the oil outlet tube that is communicated with Injection Pump, and the radial communication of oil outlet tube has oil spill pipe, is provided with valve on the oil spill pipe; Oil outlet tube axially be provided with piston, offer intercommunicating pore on the piston, piston is provided with under pressure and the return spring effect axially reciprocating along oil outlet tube at Injection Pump, so that the piston intercommunicating pore is communicated with or ends with oil spill pipe.
When regulating fuel injection advanced angle, first flywheel is forwarded to the fuel supply advance angle scale position of the regulation of a certain cylinder of diesel engine, the wheel cylinder that Injection Pump is corresponding is transferred to the fuel feeding position, with oil transfer pump pump foot fuel oil; The clamping bolt of transmission shaft flange is unclamped, install drawing board, electromagnet and oil outlet tube, open the valve on the oil spill pipe, cut-off switch, rotating Injection Pump driving coupling arrangement pumps fuel oil, the fuel oil pushing piston moves upward, and fuel oil flows out from oil spill pipe after the oil spill pipe docking on the intercommunicating pore of piston and oil spilling assembly, stop pump oil, then along Injection Pump operative orientation reversed turning, close the valve on the oil spill pipe, turn on-switch, rotating along the Injection Pump operative orientation makes fuel oil continuation pushing piston up again, after the electrode on the piston and fixed electrode docking, connect the power supply of electromagnet, electromagnet is released the paintbrush body rapidly, and drive coupling arrangement with Injection Pump and rotate and draw movement locus at drawing board, the initial point of movement locus is Injection Pump commencement of fuel supply position.
Like this, be designed with oil spill pipe owing on the oil spilling assembly during pump oil, when piston stroking upward fuel oil after the intercommunicating pore of piston and the docking of the oil spill pipe on the oil spilling assembly flows out pressure release from oil spill pipe, piston stops up, guaranteed the conformity of the initial pasta of secondary pump oil, and the initial point of fuel supply advance angle is drawn definite by magnet control, eliminates the impact of personal factor on regulating fully, thereby has further guaranteed conformity and the accuracy of fuel supply advance angle.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of fuel injection advanced angle controlling device provided by the present invention;
Fig. 2 be among Fig. 1 A to the movement locus schematic diagram;
Fig. 3 is the cutaway view Amplified image of B part among Fig. 1;
Fig. 4 is piston structure schematic diagram among Fig. 1.
Embodiment
Core of the present invention provides a kind of fuel injection advanced angle controlling device, and it has changed the present situation that fuel supply advance angle is regulated by rule of thumb, has guaranteed the precision that fuel supply advance angle is regulated.
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, Fig. 1 is the structural representation of a kind of embodiment of fuel injection advanced angle controlling device provided by the present invention; Fig. 2 be among Fig. 1 A to the movement locus schematic diagram; Fig. 3 is the cutaway view Amplified image of B part among Fig. 1; Fig. 4 is piston structure schematic diagram among Fig. 1.
In a kind of embodiment, fuel injection advanced angle controlling device provided by the present invention comprises drawing board 2, paintbrush assembly and oil spilling assembly, wherein, drawing board 2 is installed on diesel-engine body 1, the Injection Pump that the paintbrush assembly is installed on diesel engine drives on the coupling arrangement 4 and drives coupling arrangement 4 with Injection Pump and rotates synchronously, the paintbrush assembly can draw movement locus at drawing board 2 driving coupling arrangement 4 motions along with Injection Pump when, the oil spilling assembly is communicated with the Injection Pump 3 of diesel engine, closes the oil spill pipe valve behind the oil spilling assembly oil spilling.
Above-mentioned drawing board 2 can be installed on any suitable location of diesel-engine body 1, as long as can contact with it when the paintbrush assembly stretches out.
Drawing board 2 materials can be write the picture material thereon for what routine was used, apparently, the material of scribbling of paintbrush assembly should be corresponding with the material of drawing board 2, and the paintbrush of scribbling that different drawing board 2 materials'uses are complementary with it gets final product, and both concrete materials are not done restriction.
When regulating fuel injection advanced angle, first flywheel 4 is forwarded to the fuel supply advance angle scale position of the regulation of a certain cylinder of diesel engine, the wheel cylinder of Injection Pump 3 correspondences is transferred to the fuel feeding position, with Injection Pump 3 pumps foot fuel oil; The clamping bolt of the transmission shaft flange 8 of diesel engine is unclamped, drawing board 2 is installed in the appropriate location of diesel-engine body 1, rotating Injection Pump 3 joiners pumps fuel oil, the fuel oil pushing piston 73 that pumps is up, flow out from oil spill pipe 72 until the intercommunicating pore 731 of piston 73 and the oil spill pipe on the oil spill pipe assembly 71 72 are connected rear fuel oil, piston 73 stops up, stops pump oil this moment, start position when pump is oily like this, again is consistent; Then, along Injection Pump 3 operative orientation reversed turnings, close oil spill pipe 72 valves, rotate along Injection Pump 3 operative orientations again, the fuel oil pushing piston 73 that pumps continues to move upward, when piston 73 touches fixed electrode 74, electromagnet 52 power supplys are switched on, electromagnet 52 is released rapidly paintbrush body 51, and paintbrush body 51 drives coupling arrangement 4 rotations with Injection Pump and draws movement locus at drawing board 2, and the initial point O of movement locus is Injection Pump 3 commencement of fuel supply O positions, opening the valve of drain line 76 emits oil, piston 73 is descending under the effect of return spring 75, and electromagnet 52 power supplys disconnect, paintbrush body 51 returns, the revolution joiner, rotate joiner by Injection Pump 3 operative orientations again the paintbrush assembly is alignd with initial point O in the movement locus, tighten transmission shaft flange 8, fuel supply advance angle is regulated end.
Like this, guarantee the coordination of pasta position and rotation joiner by mechanical structure by the fuel injection advanced angle controlling device, relied on device to guarantee the conformity of liquid level initial position, improved the precision that fuel supply advance angle is regulated.
In above-mentioned embodiment, above-mentioned paintbrush assembly can comprise paintbrush body 51 and the dynamical element that is in transmission connection with paintbrush body 51, and the end of paintbrush body 51 is towards drawing board 2, and under the driving of dynamical element near or away from drawing board 2; Like this, before not arriving movement locus formation opportunity, paintbrush body 51 is separated with drawing board 2, when needs formed movement locus, paintbrush body 51 is close drawing board 2 under the effect of dynamical element, and contacted with drawing board 2, then paintbrush body 51 can be at the unnecessary movement locus of drawing board 2 formation, the start position of movement locus is unique, and the erroneous judgement of avoiding track initial point O occurs is broken, and has further guaranteed degree of regulation.
Above-mentioned dynamical element can be for being installed on the electromagnet 52 on the described Injection Pump driving coupling arrangement 4, and this electromagnet 52 is connected with fixed electrode 74 wires; When electromagnet 52 energising, drive paintbrush body 51 to the direction motion near drawing board 2, the reaction of electromagnet is comparatively sensitive, can control the action of electromagnet 52 with cut-off by the conducting of fixed electrode 74 and piston 73, thereby control the accurate action of paintbrush body 51, operation precision is higher.
Apparently, above-mentioned dynamical element also is not limited to electromagnet 52, if can drive paintbrush body 51 near or away from the motion of the direction of drawing board 2, for example, dynamical element can also be for oil hydraulic cylinder etc.
Can be provided with damping spring 53 between paintbrush body 51 and the electromagnet 52; The unexpected ejection of paintbrush body 51 when damping spring 53 can be avoided electromagnet 52 energising and damaging has improved the Security of paintbrush body 51.
In above-mentioned embodiment, the overflow assembly comprises the oil outlet tube 71 that is communicated with Injection Pump 3, and the radial communication of oil outlet tube 71 has oil spill pipe 72, is provided with valve on the oil spill pipe 72; Oil outlet tube 71 axially be provided with piston 73, offer intercommunicating pore 731 on the piston 73, piston under Injection Pump 3 charge oil pressures and return spring 75 effects along the axially reciprocating of oil outlet tube 71, so that piston 3 intercommunicating pores 731 are communicated with or end with oil spill pipe 72.
When regulating fuel injection advanced angle, first flywheel 4 is forwarded to the fuel supply advance angle scale position of the regulation of a certain cylinder of diesel engine, the wheel cylinder of Injection Pump 3 correspondences is transferred to the fuel feeding position, with oil transfer pump pump foot fuel oil; The clamping bolt of transmission shaft flange 8 is unclamped, install drawing board 2, electromagnet and oil outlet tube 71, open the valve on the oil spill pipe 72, cut-off switch, rotating Injection Pump 3 joiners pumps fuel oil, fuel oil pushing piston 73 moves upward after oil spill pipe 72 docking on the spill port of piston 73 and oil outlet tube 71 fuel oil from oil spill pipe 72 outflows, stop pump oil, then along Injection Pump 3 operative orientation reversed turnings, close the valve on the oil spill pipe 72, turn on-switch, rotating along Injection Pump 3 operative orientations makes fuel oil continuation pushing piston 73 up again, after the electrode on the piston 73 and fixed electrode 74 connections, connect the power supply 6 of electromagnet 52, electromagnet 52 is released paintbrush body 51 rapidly, and rotate with joiner and to draw movement locus at drawing board 2, the initial point O of movement locus is Injection Pump 3 commencement of fuel supply positions.
Like this, be designed with oil spill pipe 72 owing on the oil outlet tube 71 during pump oil, fuel oil is from oil spill pipe 72 outflow pressure releases after piston 73 is up to the spill port of piston 73 and 72 docking of the oil spill pipe on the oil outlet tube 71, piston 73 stops up, guaranteed the conformity of the initial pasta of secondary pump oil, and the initial point of fuel supply advance angle is drawn definite by magnet control, eliminates the impact of personal factor on regulating fully, thereby has further guaranteed conformity and the accuracy of fuel supply advance angle.
Be provided with electrode on the above-mentioned piston 73, when piston 73 rose to setting height, electrode and fixed electrode 74 were connected, and at this moment, above-mentioned electromagnet 52 energisings and driving paintbrush body 51 stretch out; Like this, piston 73 provides unique starting point with respect to the position of oil spill pipe 72 for the movement locus that draws, and this position is very accurate, has guaranteed the precision that fuel supply advance angle is regulated.
Be provided with return spring 75 between piston 73 and the oil outlet tube 71, piston 73 moves to the direction away from return tube under the effect of described return spring 75, after piston 73 motions finish, get back to initial position by the effect drive piston 73 of return spring 75, for detection is next time provided convenience.
Above-mentioned fixed electrode 74 blow-by oil outlet tubes 71, up smoothly to guarantee piston.
In above-mentioned embodiment, the overflow assembly also comprises and is arranged at return tube drain line 76 radially, and drain line 76 is communicated with or ends with return tube by switch valve.
The below simply introduces the adjustment process of fuel supply advance angle controlling device provided by the present invention take above-mentioned embodiment as example.
When regulating fuel injection advanced angle, first diesel engine flywheel is forwarded to the fuel supply advance angle scale position of the regulation of a certain cylinder of diesel engine, the wheel cylinder of Injection Pump 3 correspondences is transferred to the fuel feeding position, with oil transfer pump pump foot fuel oil; The clamping bolt of transmission shaft flange 8 is unclamped, install drawing board 2, paintbrush assembly and oil spilling assembly, open the valve on the oil spill pipe 72, cut-off switch, close the valve on the drain line 76, the driving coupling arrangement 4 that rotates Injection Pump 3 pumps fuel oil, fuel oil pushing piston 73 moves upward, and fuel oil flows out from oil spill pipe 72 after the intercommunicating pore 731 of piston 73 and 72 docking of the oil spill pipe on the oil outlet tube 71, stops pump oil, then along Injection Pump 3 operative orientation reversed turnings, close the valve on the oil spill pipe 72, turn on-switch rotates along Injection Pump 3 operative orientations that to make fuel oil continue pushing piston 73 up again, when the electrode on the piston 73 with after fixed electrode 74 contacts, connect the power supply 6 of electromagnet, electromagnet is released paintbrush body 51 rapidly, and draws figure with the joiner rotation at drawing board 2, and the initial point of figure is Injection Pump 3 commencement of fuel supply positions; Open valve on the drain line 76 and emit the fuel oil of oil outlet tube 71, piston 73 is got back to initial position under the effect of return spring 75, and electromagnet power supply disconnects, paintbrush body 51 returns; The revolution joiner rotates joiner by Injection Pump 3 operative orientations again paintbrush body 51 is alignd with initial point in figure, tightens the clamping bolt of transmission shaft flange 8, and fuel supply advance angle is regulated end.
Above a kind of fuel injection advanced angle controlling device provided by the present invention is described in detail.Used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. fuel injection advanced angle controlling device, it is characterized in that, comprise the drawing board (2) that is installed on diesel-engine body (1), the paintbrush assembly that can draw in described drawing board (2) movement locus, and the oil spilling assembly that is communicated with and behind oil spilling, closes with the Injection Pump (3) of diesel engine, it is upper and drive coupling arrangement (4) with described Injection Pump and rotate synchronously that the Injection Pump that described paintbrush assembly is installed on described diesel engine drives coupling arrangement (4).
2. fuel injection advanced angle controlling device according to claim 1, it is characterized in that, described paintbrush assembly comprises paintbrush body (51) and the dynamical element that is in transmission connection with described paintbrush body (51), the end of described paintbrush body (51) is towards described drawing board (2), and under the driving of described dynamical element near or away from described drawing board (2).
3. fuel injection advanced angle controlling device according to claim 2, it is characterized in that, described dynamical element is for being installed on the electromagnet (52) on the described Injection Pump driving coupling arrangement (4), and described electromagnet (52) is connected with the traveling electrode wire with fixed electrode (74).
4. fuel injection advanced angle controlling device according to claim 3 is characterized in that, is provided with damping spring (53) between described paintbrush body (51) and the described electromagnet (52).
5. fuel injection advanced angle controlling device according to claim 3, it is characterized in that, described overflow assembly comprises the oil outlet tube (71) that is communicated with described Injection Pump (3), the radial communication of described oil outlet tube (71) has oil spill pipe (72), and described oil spill pipe is provided with valve on (72); Described oil outlet tube (71) axially be provided with piston (73), offer intercommunicating pore (731) on the described piston (73), described piston (73) Injection Pump (3) charge oil pressure and be located at described piston (73) and described oil outlet tube (71) between the effect of return spring (75) under along the axially reciprocating of described oil outlet tube (71), so that described intercommunicating pore (731) is communicated with or ends with described oil spill pipe (72), described traveling electrode is arranged on the described piston (73).
6. fuel injection advanced angle controlling device according to claim 5 is characterized in that, is provided with electrode on the described piston (73) and is connected with electromagnet (52) one electrodes by wire, and the centre is provided with hand switch; Described fixed electrode (74) is connected with another electrode of electromagnet (52) by wire, and the centre is provided with power supply (6).
7. fuel injection advanced angle controlling device according to claim 6 is characterized in that, the described oil outlet tube of described fixed electrode (74) blow-by (71).
8. fuel injection advanced angle controlling device according to claim 5, it is characterized in that, described oil spill pipe assembly also comprises and is arranged at described return tube drain line (76) radially, and described drain line (76) is communicated with or ends with described return tube by switch valve.
9. fuel injection advanced angle controlling device according to claim 5 is characterized in that, described oil outlet tube (71) is transparent pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210571247.XA CN103032177B (en) | 2012-12-24 | 2012-12-24 | A kind of fuel injection advanced angle controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210571247.XA CN103032177B (en) | 2012-12-24 | 2012-12-24 | A kind of fuel injection advanced angle controlling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103032177A true CN103032177A (en) | 2013-04-10 |
| CN103032177B CN103032177B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210571247.XA Expired - Fee Related CN103032177B (en) | 2012-12-24 | 2012-12-24 | A kind of fuel injection advanced angle controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103032177B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555604A (en) * | 2018-11-30 | 2019-04-02 | 潍坊力创电子科技有限公司 | The automatically controlled adjustment device of engine oil advance angle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185494A (en) * | 1978-06-08 | 1980-01-29 | Creative Tool Company | Diagnostic system for fuel injected engines |
| CN102072064A (en) * | 2010-12-13 | 2011-05-25 | 刘杨 | Engine fuel supply advance angle measuring system and measuring method |
| CN102418638A (en) * | 2011-12-30 | 2012-04-18 | 运城学院 | Device for measuring fuel injection angle of diesel engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1038517A1 (en) * | 1982-02-17 | 1983-08-30 | Военная Ордена Ленина Академия Тыла И Транспорта | Regulator of fuel injection advance for ic engine |
| SU1599572A1 (en) * | 1987-11-30 | 1990-10-15 | Горьковский конструкторско-технологический институт автомобильной промышленности | Device for automatic control of test rig for fuel injection lead angle governor |
-
2012
- 2012-12-24 CN CN201210571247.XA patent/CN103032177B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185494A (en) * | 1978-06-08 | 1980-01-29 | Creative Tool Company | Diagnostic system for fuel injected engines |
| CN102072064A (en) * | 2010-12-13 | 2011-05-25 | 刘杨 | Engine fuel supply advance angle measuring system and measuring method |
| CN102418638A (en) * | 2011-12-30 | 2012-04-18 | 运城学院 | Device for measuring fuel injection angle of diesel engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555604A (en) * | 2018-11-30 | 2019-04-02 | 潍坊力创电子科技有限公司 | The automatically controlled adjustment device of engine oil advance angle |
| CN109555604B (en) * | 2018-11-30 | 2023-10-13 | 潍坊力创电子科技有限公司 | Engine oil supply advance angle electric control adjusting device |
Also Published As
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|---|---|
| CN103032177B (en) | 2015-07-29 |
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Granted publication date: 20150729 Termination date: 20171224 |