CN105386913A - Gasoline direct injection (GDI) fuel injector heated by positive temperature coefficient (PTC) thermal sensitive ceramics - Google Patents
Gasoline direct injection (GDI) fuel injector heated by positive temperature coefficient (PTC) thermal sensitive ceramics Download PDFInfo
- Publication number
- CN105386913A CN105386913A CN201510922287.8A CN201510922287A CN105386913A CN 105386913 A CN105386913 A CN 105386913A CN 201510922287 A CN201510922287 A CN 201510922287A CN 105386913 A CN105386913 A CN 105386913A
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- CN
- China
- Prior art keywords
- valve body
- thermal sensitive
- damping spring
- armature
- sensitive ceramics
- 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.)
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Classifications
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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
- F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
- F02M53/04—Injectors with heating, cooling, or thermally-insulating means
- F02M53/06—Injectors with heating, cooling, or thermally-insulating means with fuel-heating means, e.g. for vaporising
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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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
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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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
- F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
- F02M51/0653—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention provides a gasoline direct injection (GDI) fuel injector heated by positive temperature coefficient (PTC) thermal sensitive ceramics, and belongs to the technical field of gasoline engine fuel injection systems. According to the GDI fuel injector heated by the PTC thermal sensitive ceramics, the outer ring of the lower portion of a valve body is sequentially wrapped with a PTC thermal sensitive ceramic tube, a pure copper sheet and an insulating sheath, and insulating spacers are arranged between the upper end of the PTC thermal sensitive ceramic tube and a boss of the valve body and between the upper end of the pure copper sheet and the boss of the valve body. A coil conductor is arranged in a sleeve I; the upper end of the coil conductor is connected with a wiring harness plug, and the lower end of a conductor I is connected with an electromagnetic coil. A positive wire and a negative wire are arranged in a sleeve II; the upper end of the positive wire and the upper end of the negative wire are connected with the wiring harness plug; the lower end of the positive wire is connected with the pure copper sheet; the lower end of the negative wire is connected with the lower portion of the valve body. According to the GDI fuel injector, fuel in the fuel injector can be heated to a certain temperature within short time, the fuel injection effect is good, the atomization effect of a direct-injection gasoline engine cylinder in a cylinder is greatly improved; the cold starting combustion efficiency is improved, and the cold starting exhaust gas emission is lowered. The GDI fuel injector heated by the PTC thermal sensitive ceramics is simple in structure, and other systems of an internal combustion engine do not need to be changed greatly.
Description
Technical field
The invention belongs to Fuel-Injection System of Gasoline Engine technical field, be specifically related to a kind of GDI oil sprayer utilizing PTC thermal sensitive ceramics to heat.
Background technique
Along with the develop rapidly of automotive industry, the harmful matter that motor vehicle exhaust emission is a large amount of, causes severe contamination to the atmosphere environment that the mankind depend on for existence.Gasoline-fueled automotive emissions are mainly derived from internal-combustion engine, and its harmful components comprise: carbon monoxide (CO), hydrocarbon (HC), nitrogen oxide (NOx) and particulate matter; Wherein CO, HC and NOx are the main components of automotive emissions control.
At Gasoline Engine in Cold Start, on the one hand because internal cylinder temperature is low, fuel evaporation difficulty, quality of mixing gas mixture is poor, is unfavorable for engine ignition and starts fast; On the other hand, in cylinder, residual gas concentration is high, and combustion position is unstable, easily causes the phenomenons such as engine fire.Therefore, cause and a large amount of do not fire the effulents such as HC, be directly discharged in air, serious pollution is created to environment.At Cold Start, oil sprayer is heated, injected fuel temperature is raised, be then conducive to forming homogeneous mixture, promote the igniting of Cold Start and start fast, reducing the discharge of pollutant simultaneously.
Summary of the invention
The object of the present invention is to provide the GDI oil sprayer that a kind of structure is simple, with low cost, be easy to processing, of poor quality to solve the fuel-oil atmozation of direct spray petrol engine in cylinder Cold Start, the problems such as pollutant emission is high, thus obtain better Economy and emission performance.
The present invention is by base plate 1, needle-valve 2, PTC thermal sensitive ceramics pipe 3, insulation spacer 4, damping spring I 5, armature 6, armature guide ring 7, coil brace 8, damping spring II 9, limit casing I 10, cavity 11, seal ring limited ring 12, filter screen 13, seal ring 14, adapter sleeve 15, harness connector plug 16, sleeve pipe I 17, sleeve pipe II 18, winding wire 19, positive wire 20, electromagnetic coil 21, cathode conductor 22, buffer casting 23, insulation sleeve 24, fine copper thin plate 25, valve body 26, limit casing II 27 forms, wherein adapter sleeve 15, limit casing I 10, armature 6, buffer casting 23 is embedded in valve body 26 Inner from top to bottom, cavity 11 in adapter sleeve 15, limit casing I 10 and valve body 26 arranges damping spring II 9, armature guide ring 7, armature 6, damping spring I 5 and buffer casting 23 from top to bottom, and damping spring II 9, armature guide ring 7, armature 6, damping spring I 5 and buffer casting 23 are all placed on needle-valve 2, wherein the upper end of damping spring II 9 is spacing by the boss of needle-valve 2, and the lower end of damping spring II 9 is spacing by the spacing hole I 30 of armature guide ring 7, damping spring I 5 upper end is spacing by the lower end of armature 6, and damping spring I 5 lower end is spacing by the spacing hole II 33 of sleeve pipe II 18, the circumferential surface of needle-valve 2 and the mesopore I 29 of armature guide ring 7, the mesopore of armature 6, the mesopore II 32 of buffer casting 23 are slidably connected, armature guide ring 7 outer ring and limit casing I 10 lower end inner ring affixed, sleeve pipe I 17 is located at inside, valve body 26 upper left side by inner, and it is outer that inside, valve body 26 upper left side is located at by sleeve pipe II 18, electromagnetic coil 21 is affixed with coil brace 8, and is located at outer ring, limit casing I 10 bottom,
Adapter sleeve 15, seal ring limited ring 12, filter screen 13 order is fixed in valve body 26 top; Harness connector plug 16 is connected with the upper left quarter of valve body 26; Limit casing II 27 is fixed in valve body 26 bottom; The base plate 1 being provided with spray orifice is fixed in the center hole of limit casing II 27.
Described PTC thermal sensitive ceramics pipe 3, fine copper thin plate 25, insulation sleeve 24 are wrapped in the outer ring of valve body 26 bottom by the order outside from Inner, be provided with insulation spacer 4 between PTC thermal sensitive ceramics pipe 3 and the boss of fine copper thin plate 25 upper end and valve body 26; Winding wire 19 is placed in sleeve pipe I 17, and winding wire 19 upper end is connected with harness connector plug 16, and wire I 16 lower end is connected with electromagnetic coil 21; Positive wire 20, cathode conductor 22 are placed in sleeve pipe II 18, and positive wire 20, cathode conductor 22 upper end are connected with harness connector plug 16, and positive wire 20 lower end is connected with fine copper thin plate 25, and cathode conductor 22 lower end is connected with valve body 26 bottom.
One utilizes positive temperature coefficient thermistor pottery (PTC thermal sensitive ceramics) to heat the GDI oil sprayer of the gasoline of Cold Start, the sleeve pipe that PTC thermal sensitive ceramics is made is arranged on outside valve body 26 bottom, effectively can improve injected fuel temperature in oil sprayer, improve petrol engine cold starting performance, reduce cold start emission.
When PTC (positivetemperaturecoefficient) thermal sensitive ceramics is in the temperature range that certain is certain, its specific resistance substantially remains unchanged or only has very little change, and when temperature reaches the near Curie temperature of material, the specific resistance of material can increase 10 rapidly within several years or tens degree of narrow temperature ranges
3~ 10
9the order of magnitude, close to insulator.
The resistance-temperature characteristics of PTC thermal sensitive ceramics can be described as: during beginning, and raise resistance with temperature and almost remain unchanged, when temperature is elevated to a certain temperature value (Curie temperature), material resistance sharply raises.This characteristic makes it have the purposes of constant temperature heating, and therefore it is the constant temperature heater of a temp auto-controlled.Ptc material is different, and Curie temperature alters a great deal, and reaches as high as 350 ° of C.Its main feature is: can overheated but temp auto-controlled constant temp. warming unlike resistance wire, and when ambient temperature rises, its heating power can decline (energy-conservation), operating voltage from tens volts to 220 volts, crosstalk is not needed to hinder, quick heating, from several seconds to 1 ~ 2 minute.By being arranged on the fuel oil in the PTC ceramic heat oil sprayer outside valve body 26 bottom, its temperature being raised, being conducive to making fuel spray refinement, improve cold starting, the combustion and emission of motor with this.The application of PTC heat generating material on internal-combustion engine is mainly used for fuel oil in heating fuel tank (oil pipe) and air inlet, to improve the cold-start performance of motor.
PTC thermal sensitive ceramics is the abbreviation of positive temperature coefficient thermistor pottery.
Utilize the GDI oil sprayer of thermistor ceramic heat, utilize valve body 26 bottom as heating electrode negative pole; At the PTC thermal sensitive ceramics pipe 3 as cladding thickness 3 millimeters direct outside valve body 26 bottom of heating electrode negative pole; Outside PTC thermal sensitive ceramics pipe 3, install the positive electrode of PTC thermal sensitive ceramics heating electrode, its material is fine copper thin plate 25; With wire, PTC thermal sensitive ceramics heating positive and negative electrode is connected with harness connector plug.During the work of PTC thermal sensitive ceramics heating electrode, PTC thermal sensitive ceramics fast heating, valve body 26 temperature of lower as negative electrode is raised rapidly, because the material thermal conductivity of valve body 26 is good, therefore the fuel oil between valve body 26 bottom and corresponding needle-valve 2 in chamber is heated with larger hot area, rate of heating is fast, reaches the heating time having good atomizing effect temperature required short, is conducive to the quick startup of petrol engine.
After adopting said structure, the invention has following advantage and effect:
1. the present invention utilizes PTC thermal sensitive ceramics directly to heat the fuel oil in the die cavity of GDI oil sprayer lower end as heating material, can be controlled the temperature of fuel injection system by the curie temperature of selected PTC thermal sensitive ceramics and resistivity-temperature characteristics.The heating effect of such system can be controlled effectively.
2. because PTC thermal sensitive ceramics has the higher efficiency of heating surface, can in a short period of time by the fuel Heating in oil sprayer to certain temperature, obtain good fuel oil jeting effect.
3. the present invention the most greatly improves the spray effect in direct spray petrol engine in cylinder cylinder, improves cold start-up combustion efficiency, reduces cold start-up exhaust emissions.
4. structure of the present invention is simple, only need do local to oil sprayer and change, do large change without the need to combustion motor other system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the GDI oil sprayer utilizing PTC thermal sensitive ceramics to heat
Fig. 2 is the plan view of armature guide ring
Fig. 3 is the plan view of armature guide ring
Fig. 4 is the plan view of buffer casting
Fig. 5 is the plan view of buffer casting
Wherein: 1. base plate 2. needle-valve 3.PTC thermal sensitive ceramics pipe 4. insulation spacer 5. damping spring I 6. armature 7. armature guide ring 8. coil brace 9. damping spring II 10. limit casing I 11. cavity 12. seal ring limited ring 13. filter screen 14. seal ring 15 adapter sleeve 16. harness connector plug 17. sleeve pipe I 18. sleeve pipe II 19. winding wire 20. positive wire 21. electromagnetic coil 22. cathode conductor 23. buffer casting 24. insulation sleeve 25. fine copper thin plate 26. valve body 27. limit casing II 28. oilhole I 29. mesopore I 30. spacing hole I 31. oilhole II 32. mesopore II 33. spacing hole II
Embodiment
Figure 1 shows that the present invention invents the specific embodiments of the GDI oil sprayer utilizing PTC thermal sensitive ceramics to heat.
The present invention is by base plate 1, needle-valve 2, PTC thermal sensitive ceramics pipe 3, insulation spacer 4, damping spring I 5, armature 6, armature guide ring 7, coil brace 8, damping spring II 9, limit casing I 10, cavity 11, seal ring limited ring 12, filter screen 13, seal ring 14, adapter sleeve 15, harness connector plug 16, sleeve pipe I 17, sleeve pipe II 18, winding wire 19, positive wire 20, electromagnetic coil 21, cathode conductor 22, buffer casting 23, insulation sleeve 24, fine copper thin plate 25, valve body 26, limit casing II 27 forms, wherein adapter sleeve 15, limit casing I 10, armature 6, buffer casting 23 is embedded in valve body 26 Inner from top to bottom, cavity 11 in adapter sleeve 15, limit casing I 10 and valve body 26 arranges damping spring II 9, armature guide ring 7, armature 6, damping spring I 5 and buffer casting 23 from top to bottom, and damping spring II 9, armature guide ring 7, armature 6, damping spring I 5 and buffer casting 23 are all placed on needle-valve 2, wherein the upper end of damping spring II 9 is spacing by the boss of needle-valve 2, and the lower end of damping spring II 9 is spacing by the spacing hole I 30 of armature guide ring 7, damping spring I 5 upper end is spacing by the lower end of armature 6, and damping spring I 5 lower end is spacing by the spacing hole II 33 of sleeve pipe II 18, the circumferential surface of needle-valve 2 and the mesopore I 29 of armature guide ring 7, the mesopore of armature 6, the mesopore II 32 of buffer casting 23 are slidably connected, armature guide ring 7 outer ring and limit casing I 10 lower end inner ring affixed, sleeve pipe I 17 is located at inside, valve body 26 upper left side by inner, and it is outer that inside, valve body 26 upper left side is located at by sleeve pipe II 18, electromagnetic coil 21 is affixed with coil brace 8, and is located at outer ring, limit casing I 10 bottom, adapter sleeve 15, seal ring limited ring 12, filter screen 13 order is fixed in valve body 26 top, harness connector plug 16 is connected with the upper left quarter of valve body 26, limit casing II 27 is fixed in valve body 26 bottom, and the base plate 1 being provided with spray orifice is fixed in the center hole of limit casing II 27.
Described PTC thermal sensitive ceramics pipe 3, fine copper thin plate 25, insulation sleeve 24 are wrapped in the outer ring of valve body 26 bottom by the order outside from Inner, be provided with insulation spacer 4 between PTC thermal sensitive ceramics pipe 3 and the boss of fine copper thin plate 25 upper end and valve body 26; Winding wire 19 is placed in sleeve pipe I 17, and winding wire 19 upper end is connected with harness connector plug 16, and wire I 16 lower end is connected with electromagnetic coil 21; Positive wire 20, cathode conductor 22 are placed in sleeve pipe II 18, and positive wire 20, cathode conductor 22 upper end are connected with harness connector plug 16, and positive wire 20 lower end is connected with fine copper thin plate 25, and cathode conductor 22 lower end is connected with valve body 26 bottom.
Fuel oil from fuel common-rail pipe by and filter screen 13 through oil inlet pipe enters in the inner oil pocket of oil sprayer, then enter in the die cavity between needle-valve 2 and valve body 26 bottom along the opening of armature guide ring 7, armature 6 opening, buffer casting 23 opening.
When cold-starting automobile, now PTC sensitive ceramic resistor R (t) is very low for the both positive and negative polarity 20,22. of storage battery or the circuit communication PTC thermal sensitive ceramics pipe 3 after boosting, and power supply voltage U is a steady state value.So the heating power of PTC thermal sensitive ceramics is P=U
2/ R (t).Within the blink of PTC pottery energising, PTC thermal sensitive ceramics sends large calorimetric, and curie temperature raises simultaneously.The heat that PTC thermal sensitive ceramics sends is absorbed by the fuel oil in the die cavity of oil sprayer lower end by housing (PTC thermal sensitive ceramics negative pole) adjacent with it, and fuel oil temperature within a short period of time in die cavity is raised.
Claims (1)
1. utilize the GDI oil sprayer that PTC thermal sensitive ceramics heats, by base plate (1), needle-valve (2), PTC thermal sensitive ceramics pipe (3), insulation spacer (4), damping spring I (5), armature (6), armature guide ring (7), coil brace (8), damping spring II (9), limit casing I (10), cavity (11), seal ring limited ring (12), filter screen (13), seal ring (14), adapter sleeve (15), harness connector plug (16), sleeve pipe I (17), sleeve pipe II (18), winding wire (19), positive wire (20), electromagnetic coil (21), cathode conductor (22), buffer casting (23), insulation sleeve (24), fine copper thin plate (25), valve body (26), limit casing II (27) forms, wherein adapter sleeve (15), limit casing I (10), armature (6), buffer casting (23) is embedded in valve body (26) Inner from top to bottom, adapter sleeve (15), cavity (11) in limit casing I (10) and valve body (26) arranges damping spring II (9) from top to bottom, armature guide ring (7), armature (6), damping spring I (5) and buffer casting (23), and damping spring II (9), armature guide ring (7), armature (6), damping spring I (5) and buffer casting (23) are all placed on needle-valve (2), wherein the upper end of damping spring II (9) is spacing by the boss of needle-valve (2), the lower end of damping spring II (9) is spacing by the spacing hole I (30) of armature guide ring (7), damping spring I (5) upper end is spacing by the lower end of armature (6), and damping spring I (5) lower end is spacing by the spacing hole II (33) of sleeve pipe II (18), the circumferential surface of needle-valve (2) and the mesopore I (29) of armature guide ring (7), the mesopore of armature (6), the mesopore II (32) of buffer casting (23) are slidably connected, armature guide ring (7) outer ring and limit casing I (10) lower end inner ring affixed, sleeve pipe I (17) is located at inside, valve body (26) upper left side by inner, and it is outer that valve body (26) inside, upper left side is located at by sleeve pipe II (18), electromagnetic coil (21) is affixed with coil brace (8), and is located at limit casing I (10) outer ring, bottom, adapter sleeve (15), seal ring limited ring (12), filter screen (13) order is fixed in valve body (26) top, harness connector plug (16) is connected with the upper left quarter of valve body (26), limit casing II (27) is fixed in valve body (26) bottom, the base plate (1) being provided with spray orifice is fixed in the center hole of limit casing II (27), it is characterized in that described PTC thermal sensitive ceramics pipe (3), fine copper thin plate (25), insulation sleeve (24) are wrapped in the outer ring of valve body (26) bottom by the order outside from Inner, between the boss of PTC thermal sensitive ceramics pipe (3) and fine copper thin plate (25) upper end and valve body (26), be provided with insulation spacer (4), winding wire (19) is placed in sleeve pipe I (17), and winding wire (19) upper end is connected with harness connector plug (16), and wire I (16) lower end is connected with electromagnetic coil (21), positive wire (20), cathode conductor (22) are placed in sleeve pipe II (18), positive wire (20), cathode conductor (22) upper end are connected with harness connector plug (16), positive wire (20) lower end is connected with fine copper thin plate (25), and cathode conductor (22) lower end is connected with valve body (26) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922287.8A CN105386913B (en) | 2015-12-14 | 2015-12-14 | A kind of GDI fuel injectors of utilization PTC thermal sensitive ceramicses heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922287.8A CN105386913B (en) | 2015-12-14 | 2015-12-14 | A kind of GDI fuel injectors of utilization PTC thermal sensitive ceramicses heating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105386913A true CN105386913A (en) | 2016-03-09 |
| CN105386913B CN105386913B (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510922287.8A Expired - Fee Related CN105386913B (en) | 2015-12-14 | 2015-12-14 | A kind of GDI fuel injectors of utilization PTC thermal sensitive ceramicses heating |
Country Status (1)
| Country | Link |
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| CN (1) | CN105386913B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060994A (en) * | 2018-01-08 | 2018-05-22 | 吉林大学 | The method that fuel oil in coil heats fuel injector is carried using engine fuel injector |
| CN111810328A (en) * | 2019-04-12 | 2020-10-23 | 上海汽车集团股份有限公司 | Fuel supply system and fuel supply method for vehicle and direct injection gasoline engine |
| CN112594103A (en) * | 2020-12-28 | 2021-04-02 | 雷贱来 | Energy-saving method for reducing oil consumption of vehicle fuel engine |
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| WO1999005412A1 (en) * | 1997-07-23 | 1999-02-04 | Siemens Automotive Corporation | Method of preheating fuel with an internal heater |
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| CN101122271A (en) * | 2007-09-04 | 2008-02-13 | 中国计量学院 | Fuel injector with built-in positive temperature coefficient ceramic heating material |
| CN101889138A (en) * | 2007-12-05 | 2010-11-17 | 埃普科斯股份有限公司 | Injection molded nozzle and injector comprising the injection molded nozzle |
| CN101889137A (en) * | 2007-12-05 | 2010-11-17 | 埃普科斯股份有限公司 | Mold comprising ptc-ceramic |
| CN103590947A (en) * | 2013-11-22 | 2014-02-19 | 中北大学 | Double-oil-duct oil atomizer with controllable fuel oil temperature |
| US20140284398A1 (en) * | 2013-03-19 | 2014-09-25 | Delph Technologies, Inc. | Heated fuel injector |
| CN104895715A (en) * | 2014-03-03 | 2015-09-09 | 中国计量学院 | Diesel injector capable of self-heating in cold starting |
| CN205225548U (en) * | 2015-12-14 | 2016-05-11 | 吉林大学 | Utilize PTC temperature sensing ceramic heater's GDI sprayer |
-
2015
- 2015-12-14 CN CN201510922287.8A patent/CN105386913B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999005412A1 (en) * | 1997-07-23 | 1999-02-04 | Siemens Automotive Corporation | Method of preheating fuel with an internal heater |
| CN1653261A (en) * | 2002-03-22 | 2005-08-10 | 克里萨里斯技术公司 | Fuel injector for an internal combustion engine |
| CN101122271A (en) * | 2007-09-04 | 2008-02-13 | 中国计量学院 | Fuel injector with built-in positive temperature coefficient ceramic heating material |
| CN101889138A (en) * | 2007-12-05 | 2010-11-17 | 埃普科斯股份有限公司 | Injection molded nozzle and injector comprising the injection molded nozzle |
| CN101889137A (en) * | 2007-12-05 | 2010-11-17 | 埃普科斯股份有限公司 | Mold comprising ptc-ceramic |
| US20140284398A1 (en) * | 2013-03-19 | 2014-09-25 | Delph Technologies, Inc. | Heated fuel injector |
| CN103590947A (en) * | 2013-11-22 | 2014-02-19 | 中北大学 | Double-oil-duct oil atomizer with controllable fuel oil temperature |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060994A (en) * | 2018-01-08 | 2018-05-22 | 吉林大学 | The method that fuel oil in coil heats fuel injector is carried using engine fuel injector |
| CN111810328A (en) * | 2019-04-12 | 2020-10-23 | 上海汽车集团股份有限公司 | Fuel supply system and fuel supply method for vehicle and direct injection gasoline engine |
| CN112594103A (en) * | 2020-12-28 | 2021-04-02 | 雷贱来 | Energy-saving method for reducing oil consumption of vehicle fuel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105386913B (en) | 2017-09-22 |
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