CN105386913B - A kind of GDI fuel injectors of utilization PTC thermal sensitive ceramicses heating - Google Patents
A kind of GDI fuel injectors of utilization PTC thermal sensitive ceramicses heating Download PDFInfo
- Publication number
- CN105386913B CN105386913B CN201510922287.8A CN201510922287A CN105386913B CN 105386913 B CN105386913 B CN 105386913B CN 201510922287 A CN201510922287 A CN 201510922287A CN 105386913 B CN105386913 B CN 105386913B
- Authority
- CN
- China
- Prior art keywords
- valve body
- sleeve pipe
- armature
- thermal sensitive
- buffer spring
- 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
- 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
-
- 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
-
- 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
A kind of GDI fuel injectors of utilization PTC thermal sensitive ceramicses heating belong to Fuel-Injection System of Gasoline Engine technical field, PTC thermal sensitive ceramicses pipe, fine copper thin plate, insulating sheath order are wrapped in the outer ring of valve body lower portion in the present invention, and insulation spacer is provided between PTC thermal sensitive ceramicses pipe and fine copper thin plate upper end and the boss of valve body；Winding wire is placed in sleeve pipe I, and winding wire upper end is connected with harness connector plug, and winding wire lower end is connected with magnet coil；Positive wire, cathode conductor are placed in sleeve pipe II, and positive wire, cathode conductor upper end are connected with harness connector plug, and positive wire lower end is connected with fine copper thin plate, and cathode conductor lower end is connected with valve body lower portion；The present invention can be in a short time by the fuel Heating in fuel injector to certain temperature, and fuel oil jeting effect is good, improves the spray effect in direct spray petrol engine in cylinder cylinder by very big, improves cold start-up efficiency of combustion, reduces cold start-up exhaust emissions；The present invention is simple in construction, without doing big change to internal combustion engine other systems.
Description
Technical field
The invention belongs to Fuel-Injection System of Gasoline Engine technical field, and in particular to a kind of utilization PTC thermal sensitive ceramicses heating
GDI fuel injectors.
Background technology
With developing rapidly for auto industry, the substantial amounts of harmful substance of motor vehicle exhaust emission, to for the survival of mankind big
Compression ring border causes severe contamination.Gasoline-fueled automotive emissions are mainly derived from internal combustion engine, its harmful components
Including：Carbon monoxide (CO), hydrocarbon (HC), nitrogen oxides (NOx) and particle matter；Wherein CO, HC and NOx are vapour
The main component of car contamination control.
In Gasoline Engine in Cold Start, on the one hand because internal cylinder temperature is low, EVAP is difficult, quality of mixing gas mixture
Difference, is unfavorable for engine ignition and quick startup；On the other hand, residual gas concentration is high in cylinder, and combustion position is unstable, easily
Cause the phenomenons such as engine fire.Therefore, the emissions such as substantial amounts of unburned HC are caused, are exhausted directly in air, environment is produced
Serious pollution.Fuel injector is heated in Cold Start, injection fuel oil temperature is raised, then advantageously formed uniform
Gaseous mixture, promotes the igniting and quick startup of Cold Start, while reducing the discharge of pollutant.
The content of the invention
It is an object of the invention to provide a kind of GDI fuel injectors simple in construction, with low cost, easy to process, to solve
Direct spray petrol engine in cylinder Cold Start fuel-oil atmozation is of poor quality, the problems such as pollutant emission is high, so as to obtain more preferable economy
Property and discharge performance.
The present invention is led by bottom plate 1, needle-valve 2, PTC thermal sensitive ceramicses pipe 3, insulation spacer 4, buffer spring I 5, armature 6, armature
To ring 7, coil brace 8, buffer spring II 9, limit casing I 10, cavity 11, sealing ring spacing ring 12, filter screen 13, sealing ring
14th, connection sleeve pipe 15, harness connector plug 16, sleeve pipe I 17, sleeve pipe II 18, winding wire 19, positive wire 20, magnet coil 21, negative
Polar conductor 22, buffer casting 23, insulating sheath 24, fine copper thin plate 25, valve body 26, limit casing II 27 are constituted, wherein connecting
Sleeve pipe 15, limit casing I 10, armature 6, buffer casting 23 are located at the Inner of valve body 26 from top to bottom；Connection sleeve pipe 15, limit casing
I 10 and valve body 26 in cavity 11 set from top to bottom buffer spring II 9, armature guide ring 7, armature 6, buffer spring I 5 ease up
Spring base 23 is rushed, and buffer spring II 9, armature guide ring 7, armature 6, buffer spring I 5 and buffer casting 23 are placed on needle-valve
On 2, wherein the upper end of buffer spring II 9 is spacing by the boss of needle-valve 2, the lower end of buffer spring II 9 by armature guide ring 7 limit
Position hole I 30 is spacing；The upper end of buffer spring I 5 is spacing by the lower end of armature 6, the lower end of buffer spring I 5 by buffer casting 23 limit
Position hole II 33 is spacing；In the periphery of needle-valve 2 and the mesopore I 29 of armature guide ring 7, the mesopore of armature 6, buffer casting 23
Hole II 32 is slidably connected；The outer ring of armature guide ring 7 is slidably connected with the lower end inner ring of limit casing I 10；Sleeve pipe I 17 is located at valve body 26
Lean on inner inside upper left side, sleeve pipe II 18 is outer inside the upper left side of valve body 26；Magnet coil 21 and coil brace 8 are affixed, and
Located at the bottom outer ring of limit casing I 10；
Connection sleeve pipe 15, sealing ring spacing ring 12, the order of filter screen 13 are fixed in the top of valve body 26；Harness connector plug 16 and valve body
26 upper left quarter connection；Limit casing II 27 is fixed in the bottom of valve body 26；Bottom plate 1 provided with spray orifice is fixed in limit casing II 27
Centre bore in.
Described PTC thermal sensitive ceramicses pipe 3, fine copper thin plate 25, insulating sheath 24 are wrapped in valve body by from the outside orders of Inner
The outer ring of 26 bottoms, is provided with insulation spacer 4 between PTC thermal sensitive ceramicses pipe 3 and the boss of the upper end of fine copper thin plate 25 and valve body 26；Line
Circle wire 19 is placed in sleeve pipe I 17, and the upper end of winding wire 19 is connected with harness connector plug 16, the lower end of winding wire 19 and magnet coil
21 connections；Positive wire 20, cathode conductor 22 are placed in sleeve pipe II 18, and positive wire 20, the upper end of cathode conductor 22 and wire harness are inserted
First 16 connection, the lower end of positive wire 20 is connected with fine copper thin plate 25, and the lower end of cathode conductor 22 is connected with the bottom of valve body 26.
One kind heats the GDI of the gasoline of Cold Start using semistor ceramic (PTC thermal sensitive ceramicses)
Fuel injector, is that the sleeve pipe for making PTC thermal sensitive ceramicses is arranged on outside the bottom of valve body 26, can effectively improve injection combustion in fuel injector
Oil temperature, improves gasoline engine cold starting performance, reduces cold start emission.
When PTC (positive temperature coefficient) thermal sensitive ceramics is within the scope of certain certain temperature,
Its resistivity is held essentially constant or the only change of very little, and when temperature reaches the near Curie temperature of material, material
Resistivity can increase 10 rapidly within several years or tens degree of narrow temperature3~109The order of magnitude, close to insulator.
The resistance-temperature characteristics of PTC thermal sensitive ceramicses can be described as：During beginning, almost kept with temperature rise resistance
Constant, when temperature is increased to a certain temperature value (Curie temperature), material resistance is drastically raised.This characteristic makes it have constant temperature hair
The purposes of heat, therefore it is the constant temperature heater of a temp auto-controlled.Ptc material is different, and Curie temperature changes very greatly, reaches as high as
350℃.It is mainly characterized in that：Unlike resistance wire can be overheated but temp auto-controlled constant temperature warming, when environment temperature rising, its hair
Thermal power can decline (energy-conservation), operating voltage is from tens volts to 220 volts, be not required to string resistance, quick heating, from several seconds to 1~2
Minute.Fuel oil in fuel injector is heated by the PTC-ceramic outside the bottom of valve body 26, its temperature is raised, is conducive to making
Fuel spray is refined, and improves the cold start, burning and discharge of engine with this.Application master of the PTC exothermic materials on internal combustion engine
If for the fuel oil in heating fuel tank (oil pipe) and air inlet, to improve the cold-start performance of engine.
PTC thermal sensitive ceramicses are the abbreviation of semistor ceramics.
Using the GDI fuel injectors of thermistor ceramic heat, heating Electrode Negative is used as by the use of the bottom of valve body 26；In conduct
Heat the PTC thermal sensitive ceramicses pipe 3 of direct 3 millimeters of cladding thickness outside the bottom of valve body 26 of Electrode Negative；In PTC thermal sensitive ceramicses pipe 3
The positive electrode that PTC thermal sensitive ceramicses heat electrode is installed in outside, and its material is fine copper thin plate 25；PTC thermal sensitive ceramicses are added with wire
Hot positive and negative electrode is connected with harness connector plug.During the heating electrode work of PTC thermal sensitive ceramicses, PTC thermal sensitive ceramics fast heatings make conduct
The temperature of lower of valve body 26 of negative electrode is raised rapidly, because the material thermal conductivity of valve body 26 is good, therefore the bottom of valve body 26 and phase
The fuel oil of intracavitary is heated with larger heating surface area between corresponding needle-valve 2, and firing rate is fast, is reached with good atomization effect
The heat time of temperature is short needed for fruit, is conducive to the quick startup of gasoline engine.
After said structure, the invention has the advantage that and effect：
1. the present invention directly heats the fuel oil in the die cavity of GDI fuel injectors lower end by the use of PTC thermal sensitive ceramicses as heating material,
The temperature of fuel injection system can be controlled by the curie point and resistivity-temperature characteristics of selected PTC thermal sensitive ceramicses.So heating of system
Effect can be controlled effectively.
2., can be in a short period of time by the combustion in fuel injector because PTC thermal sensitive ceramicses have the higher efficiency of heating surface
Oil is heated to certain temperature, obtains preferable fuel oil jeting effect.
3. the present invention most greatly improves the spray effect in direct spray petrol engine in cylinder cylinder at last, cold start-up burning effect is improved
Rate, reduces cold start-up exhaust emissions.
4. the present invention is simple in construction, local change only need to be done to fuel injector, without internal combustion engine other systems are done with big change
It is dynamic.
Brief description of the drawings
Fig. 1 is the structural representation of the GDI fuel injectors using the heating of PTC thermal sensitive ceramicses
Fig. 2 is the front view of armature guide ring
Fig. 3 is the top view of armature guide ring
Fig. 4 is the front view of buffer casting
Fig. 5 is the top view of buffer casting
Wherein：1. the armature 7. of 2. 5. buffer spring of needle-valve 3.PTC thermal sensitive ceramicses 4. insulation spacer of pipe of bottom plate I 6. is held in the mouth
The filter screen of 12. sealing ring spacing ring of iron guide ring 8. coil brace, 9. buffer spring, II 10. limit casing, I 11. cavity 13.
14. the positive wire of II 19. winding wire of sealing ring 15 connection sleeve pipe, 16. harness connector plug, 17. sleeve pipe, I 18. sleeve pipe 20.
21. magnet coil 22. cathode conductor, 23. buffer casting, 24. insulating sheath, 25. fine copper thin plate, 26. valve bodies 27. are spacing
The spacing hole II of II 32. mesopore of sleeve pipe II 28. oilhole, I 29. mesopore, I 30. spacing hole, I 31. oilhole II 33.
Embodiment
Fig. 1 show specific embodiment of the present invention invention using the GDI fuel injectors of PTC thermal sensitive ceramicses heating.
The present invention is led by bottom plate 1, needle-valve 2, PTC thermal sensitive ceramicses pipe 3, insulation spacer 4, buffer spring I 5, armature 6, armature
To ring 7, coil brace 8, buffer spring II 9, limit casing I 10, cavity 11, sealing ring spacing ring 12, filter screen 13, sealing ring
14th, connection sleeve pipe 15, harness connector plug 16, sleeve pipe I 17, sleeve pipe II 18, winding wire 19, positive wire 20, magnet coil 21, negative
Polar conductor 22, buffer casting 23, insulating sheath 24, fine copper thin plate 25, valve body 26, limit casing II 27 are constituted, wherein connecting
Sleeve pipe 15, limit casing I 10, armature 6, buffer casting 23 are located at the Inner of valve body 26 from top to bottom；Connection sleeve pipe 15, limit casing
I 10 and valve body 26 in cavity 11 set from top to bottom buffer spring II 9, armature guide ring 7, armature 6, buffer spring I 5 ease up
Spring base 23 is rushed, and buffer spring II 9, armature guide ring 7, armature 6, buffer spring I 5 and buffer casting 23 are placed on needle-valve
On 2, wherein the upper end of buffer spring II 9 is spacing by the boss of needle-valve 2, the lower end of buffer spring II 9 by armature guide ring 7 limit
Position hole I 30 is spacing；The upper end of buffer spring I 5 is spacing by the lower end of armature 6, the lower end of buffer spring I 5 by buffer casting 23 limit
Position hole II 33 is spacing；In the periphery of needle-valve 2 and the mesopore I 29 of armature guide ring 7, the mesopore of armature 6, buffer casting 23
Hole II 32 is slidably connected；The outer ring of armature guide ring 7 is slidably connected with the lower end inner ring of limit casing I 10；Sleeve pipe I 17 is located at valve body 26
Lean on inner inside upper left side, sleeve pipe II 18 is outer inside the upper left side of valve body 26；Magnet coil 21 and coil brace 8 are affixed, and
Located at the bottom outer ring of limit casing I 10；
Connection sleeve pipe 15, sealing ring spacing ring 12, the order of filter screen 13 are fixed in the top of valve body 26；Harness connector plug 16 and valve body
26 upper left quarter connection；Limit casing II 27 is fixed in the bottom of valve body 26, and the bottom plate 1 provided with spray orifice is fixed in limit casing II 27
Centre bore in.
Described PTC thermal sensitive ceramicses pipe 3, fine copper thin plate 25, insulating sheath 24 are wrapped in valve body by from the outside orders of Inner
The outer ring of 26 bottoms, is provided with insulation spacer 4 between PTC thermal sensitive ceramicses pipe 3 and the boss of the upper end of fine copper thin plate 25 and valve body 26；Line
Circle wire 19 is placed in sleeve pipe I 17, and the upper end of winding wire 19 is connected with harness connector plug 16, the lower end of winding wire 19 and magnet coil
21 connections；Positive wire 20, cathode conductor 22 are placed in sleeve pipe II 18, and positive wire 20, the upper end of cathode conductor 22 and wire harness are inserted
First 16 connection, the lower end of positive wire 20 is connected with fine copper thin plate 25, and the lower end of cathode conductor 22 is connected with the bottom of valve body 26.
Fuel oil enters fuel injector interior oil intracavitary from fuel common-rail pipe by and by filter screen 13 in oil inlet pipe, then
Opening, the opening of armature 6, the opening of buffer casting 23 along armature guide ring 7 enter between needle-valve 2 and the bottom of valve body 26
Die cavity in.
In cold-starting automobile, storage battery or it is boosted after circuit communication PTC thermal sensitive ceramicses pipe 3 both positive and negative polarity 20,22. this
When PTC sensitive ceramic resistor R (t) it is very low, supply voltage U is a steady state value.So the heating power of PTC thermal sensitive ceramicses is P=
U2/R(t).Within the of short duration time that PTC-ceramic is powered, PTC thermal sensitive ceramicses send big calorimetric, while curie point is raised.PTC heat
The heat that quick ceramics are sent is inhaled by housing (PTC thermal sensitive ceramicses negative pole) adjacent thereto by the fuel oil in the die cavity of fuel injector lower end
Receive, making the fuel oil in die cavity, temperature is raised within a short period of time.
Claims (1)
1. a kind of GDI fuel injectors of utilization PTC thermal sensitive ceramicses heating, by bottom plate (1), needle-valve (2), PTC thermal sensitive ceramicses pipe (3),
It is insulation spacer (4), buffer spring I (5), armature (6), armature guide ring (7), coil brace (8), buffer spring II (9), spacing
Sleeve pipe I (10), cavity (11), sealing ring spacing ring (12), filter screen (13), sealing ring (14), connection sleeve pipe (15), harness connector plug
(16), sleeve pipe I (17), sleeve pipe II (18), winding wire (19), positive wire (20), magnet coil (21), cathode conductor
(22), buffer casting (23), insulating sheath (24), fine copper thin plate (25), valve body (26), limit casing II (27) composition, its
Middle connection sleeve pipe (15), limit casing I (10), armature (6), buffer casting (23) are located at valve body (26) Inner from top to bottom；Even
Cavity (11) in female connector pipe (15), limit casing I (10) and valve body (26) sets buffer spring II (9), armature from top to bottom
Guide ring (7), armature (6), buffer spring I (5) and buffer casting (23), and buffer spring II (9), armature guide ring (7),
Armature (6), buffer spring I (5) and buffer casting (23) are placed on needle-valve (2), wherein the upper end of buffer spring II (9) by
The boss of needle-valve (2) is spacing, and the lower end of buffer spring II (9) is spacing by the spacing hole I (30) of armature guide ring (7)；Buffering elastic
Spring I (5) upper end is spacing by the lower end of armature (6), buffer spring I (5) lower end by buffer casting (23) spacing hole II (33)
It is spacing；The periphery of needle-valve (2) and the mesopore I (29) of armature guide ring (7), the mesopore of armature (6), buffer casting (23)
Mesopore II (32) is slidably connected；Armature guide ring (7) outer ring is slidably connected with limit casing I (10) lower end inner ring；Sleeve pipe I (17)
Lean on inner inside valve body (26) upper left side, sleeve pipe II (18) is outer inside valve body (26) upper left side；Magnet coil (21)
It is affixed with coil brace (8), and located at limit casing I (10) bottom outer ring；Connection sleeve pipe (15), sealing ring spacing ring (12),
Filter screen (13) is sequentially 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) it is fixed in valve body (26) bottom；Bottom plate (1) provided with spray orifice is fixed in the centre bore of limit casing II (27)；Its feature
It is that described PTC thermal sensitive ceramicses pipe (3), fine copper thin plate (25), insulating sheath (24) are wrapped in valve by from the outside orders of Inner
Provided with exhausted between the boss of the outer ring of body (26) bottom, PTC thermal sensitive ceramicses pipe (3) and fine copper thin plate (25) upper end and valve body (26)
Edge pad (4)；Winding wire (19) is placed in sleeve pipe I (17), and winding wire (19) upper end is connected with harness connector plug (16), coil
Wire (19) lower end is connected with magnet coil (21)；Positive wire (20), cathode conductor (22) are placed in sleeve pipe II (18), positive pole
Wire (20), cathode conductor (22) upper end are connected with harness connector plug (16), and positive wire (20) lower end connects with fine copper thin plate (25)
Connect, 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 CN105386913A (en) | 2016-03-09 |
| CN105386913B true CN105386913B (en) | 2017-09-22 |
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ID=55419563
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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) |
Families Citing this family (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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| 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 |
| CN103590947A (en) * | 2013-11-22 | 2014-02-19 | 中北大学 | Double-oil-duct oil atomizer with controllable fuel oil temperature |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6109543A (en) * | 1996-03-29 | 2000-08-29 | Siemens Automotive Corporation | Method of preheating fuel with an internal heater |
| US9476393B2 (en) * | 2013-03-19 | 2016-10-25 | Delphi Technologies, Inc. | Heated fuel injector |
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- 2015-12-14 CN CN201510922287.8A patent/CN105386913B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103590947A (en) * | 2013-11-22 | 2014-02-19 | 中北大学 | Double-oil-duct oil atomizer with controllable fuel oil temperature |
| CN104895715A (en) * | 2014-03-03 | 2015-09-09 | 中国计量学院 | Diesel injector capable of self-heating in cold starting |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105386913A (en) | 2016-03-09 |
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