CN203702376U - Current-driven natural gas nozzle assembly - Google Patents
Current-driven natural gas nozzle assembly Download PDFInfo
- Publication number
- CN203702376U CN203702376U CN201420065399.7U CN201420065399U CN203702376U CN 203702376 U CN203702376 U CN 203702376U CN 201420065399 U CN201420065399 U CN 201420065399U CN 203702376 U CN203702376 U CN 203702376U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- inlet cavity
- nozzle assembly
- heat
- current drive
- 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 - Lifetime
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 22
- 239000003345 natural gas Substances 0.000 title abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 58
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002737 fuel gas Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims description 44
- 238000009413 insulation Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000009834 vaporization Methods 0.000 description 6
- 230000008016 vaporization Effects 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 230000004941 influx Effects 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model discloses a current-driven natural gas nozzle assembly. The current-driven natural gas nozzle assembly structurally comprises a first element provided with a gas inlet cavity, multiple nozzle components installed on the top of the first element, a second element provided with a gas outlet cavity and installed at the gas outlet ends of the nozzle components, a nozzle driving unit locally or integrally installed in the gas inlet cavity and provided with a nozzle driving and cooling electronic element which can diffuse heat into the gas inlet cavity, a fuel gas temperature and pressure sensor installed on the first element and provided with a detecting end located in the gas inlet cavity and a signal output end connected to an engine electronic control unit, and a PTC nozzle heating device installed on the nozzle components, used for transmitting the heat to a fixed iron core and a movable iron core inside a nozzle through a nozzle shell and connected with the engine electronic control device so as to be automatically controlled by the engine electronic control device. By the adoption of the current-driven gas nozzle assembly, it is guaranteed that a natural gas engine starts reliably in a low-temperature severe environment, and the low-temperature starting performance of the natural gas engine is greatly improved.
Description
Technical field
The utility model relates to the nozzle that gas combustion automobile uses, and especially relates to a kind of current drive-type gas spraying nozzle assembly.
Background technique
Due to global warming, PM2.5 and haze roll up, cause natural gas engine and automobile pollution to roll up, in gas engine, due to the needs of discharge and Economy, a large amount of natural gas injection control system that adopt, in ejecting system, nozzle is most important, the most accurate gas metering parts, but because rock gas is refining, in the processes such as gas station fills, can constantly mix some greasy dirts, moisture, therefore along with the continuous flow nozzle of rock gas, greasy dirt, moisture is constantly gathered in nozzle interior static iron core, around moving iron core, under low temperature condition, greasy dirt, the stickiness of moisture increases or freezes, stick the moving iron core of nozzle, increase the unlatching difficulty of nozzle.
Current type nozzle drives can produce a large amount of heats in the time opening nozzle, if the unhappy speed belt of this part heat is walked and is eliminated, will cause driving cause thermal damage, but arrangement condition is limited in actual use, environment is airtight, air flow property is poor, and therefore radiating condition requirement is high, arranges more difficult on compact sedan.
Model utility content
The purpose of this utility model is exactly in order to address the above problem, and provides a kind of and guarantees that natural gas engine reliably starts, improves natural gas engine low-temperature startup performance and strengthen current type nozzle the current drive-type gas spraying nozzle assembly that drives heat dissipation potential under low temperature rugged environment.
To achieve these goals, the utility model adopts following technological scheme:
Current drive-type gas spraying nozzle assembly, it comprises the injector assembly structure that contains inlet end and outlet side, it is characterized in that, this injector assembly structure has:
Containing the first element of air inlet cavity, the lower end air intake structure of this injector assembly structure is arranged in this first element;
The multiple nozzle assemblies that are installed on the first element top, the entrance of nozzle is connected to air inlet cavity;
Containing the second element of the cavity of giving vent to anger, it is installed on the outlet side of nozzle assembly, and the upper end air outlet structure of this injector assembly structure is arranged in this second element;
Local/overall is installed on the nozzle driver element of air inlet cavity, and this nozzle driver element is provided with the nozzle driving radiating electronic element that can heat sink to air inlet cavity;
Be installed on the fuel gas temperature pressure transducer of the first element, it has the signal output part that is positioned at the end of probe of air inlet cavity and and is connected to engine electronic control unit;
Be installed on nozzle assembly and by nozzle housing, heat be passed to the PTC nozzle heating device of nozzle interior static iron core, moving iron core, it is connected to engine electronic control unit and is automatically controlled by it.
As further optimization of the present utility model is, between described the second element and PTC nozzle heating device, there is heat insulation gap, in this entirety/part, heat insulation gap, heat insulating mattress is installed.
As further optimization of the present utility model is, described PTC nozzle heating device is close to nozzle housing by heat-conducting silicone grease.
The utility model is in conjunction with the simple physical phenomenon of compressed natural gas (CNG) vaporization heat absorption, and the ingenious temperature that reduces fast nozzle driver part, improves the reliability that nozzle drives greatly.Motor is in the time of at a high speed large load operation, the heating value maximum that nozzle drives, need to dispel the heat in a large number to the external world fast, but now because CNG vaporization rate is also the fastest, what therefore need absorbs fast a large amount of heats from the external world, to accelerate combustion gas expansion vaporization, therefore this part heat of combustion gas vaporization is just in time by driving heating to provide.Therefore, this model utility utilizes the physical principle of car load combustion gas vaporization heat absorption to carry out quick heat radiating refrigeration for driving cleverly, drives the heat producing also to accelerate CNG vaporization simultaneously, reaches the reasonable transmission of energy, recycles.
The utlity model has following beneficial effect:
(1) this model utility guarantees that natural gas engine reliably starts, greatly improves gas engine low-temperature startup performance under low temperature rugged environment.
(1) automatically nozzle is carried out to warm-up control after surveying fuel gas temperature, ambient temperature by ECU, eliminate the stickiness that the greasy dirt that freezes brings completely, while guaranteeing nozzle cold-starting, successfully open, also reduce the peak electric current that nozzle drives simultaneously, reduced the requirement of heat radiation.
Brief description of the drawings
Fig. 1 is embodiment 1 current drive-type gas spraying nozzle assembly plan view.
Fig. 2 is embodiment 1 current drive-type gas spraying nozzle assembly right elevation.
Fig. 3 is embodiment 1 current drive-type gas spraying nozzle assembly plan view.
Fig. 4 is embodiment 1 current drive-type gas spraying nozzle assembly stereogram.
Fig. 5 is PTC heat block structural representation I in embodiment 1 current drive-type gas spraying nozzle assembly.
Fig. 6 is PTC heat block structural representation II in embodiment 1 current drive-type gas spraying nozzle assembly.
Fig. 7 is PTC heated shell plan view in embodiment 1 current drive-type gas spraying nozzle assembly.
Fig. 8 is PTC heated shell plan view in embodiment 1 current drive-type gas spraying nozzle assembly.
Fig. 9 is PTC heated shell worm's eye view in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 10 is PTC heated shell left view in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 11 is A-A sectional view in Fig. 8.
Figure 12 is B-B sectional view in Fig. 8.
Figure 13 is air outlet adapter plan view in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 14 is air outlet adapter stereogram in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 15 is C-C sectional view in Figure 13.
Figure 16 is the second element plan view containing the cavity of giving vent to anger in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 17 is the second element plan view containing the cavity of giving vent to anger in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 18 is the second element worm's eye view containing the cavity of giving vent to anger in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 19 is the second element left view containing the cavity of giving vent to anger in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 20 is the second element stereogram containing the cavity of giving vent to anger in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 21 is D-D sectional view in Figure 16.
Figure 22 is E-E sectional view in Figure 17.
Figure 23 is F-F sectional view in Figure 18.
Figure 24 is bottom gasket construction schematic diagram in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 25 is bottom cover structure schematic diagram in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 26 is G-G sectional view in Figure 25.
Figure 27 pads tubular construction schematic diagram in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 28 is H-H sectional view in Figure 27.
Figure 29 is heat insulating mattress structural representation in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 30 is air input joint structural representation in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 31 is air input joint sectional view in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 32 is the first element plan view containing air inlet cavity in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 33 is the first element plan view containing air inlet cavity in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 34 is the first element worm's eye view containing air inlet cavity in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 35 is the first element left view containing air inlet cavity in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 36 is the first element right elevation containing air inlet cavity in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 37 is I-I sectional view in Figure 33.
Figure 38 is J-J sectional view in Figure 33.
Figure 39 is K-K sectional view in Figure 32.
Figure 40 is air-inlet cavity rear cover structure schematic diagram in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 41 is L-L sectional view in Figure 40.
Figure 42 is air-inlet cavity front-cover structure schematic diagram in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 43 is M-M sectional view in Figure 42.
Figure 44 drives insulation spacer I structural representation in embodiment 1 current drive-type gas spraying nozzle assembly.
Figure 45 drives insulation spacer II structural representation in embodiment 1 current drive-type gas spraying nozzle assembly.
In figure: 1, the first element; 2, nozzle assembly; 3, the second element; 4, nozzle driver element; 5, PTC nozzle heating device; 6, temperature and pressure transmitter; 7, bottom; 8, bottom pad; 9, pad pipe; 10, air input joint; 11, protecgulum; 12, bonnet; 13, main cavity; 14, exit; 15, crosspassage; 16, spray rail assembly fixed hole; 20, nozzle plug connector; 30, air outlet adapter; 31, access port; 32, pipe influx chamber; 40, drive insulation spacer I; 41, drive insulation spacer II; 42, nozzle drives plug connector; 50, PTC heated shell; 51, PTC heat block; J1, heat insulating mattress.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.If no special instructions, in full text, the implication of "/" is "or".
Referring to Fig. 1～45, current drive-type gas spraying nozzle assembly, it comprises the injector assembly structure (being referred to as again to spray rail assembly structure) containing inlet end and outlet side, the structure that this injector assembly structure adopts air inlet upper end, lower end to give vent to anger, particularly, this injector assembly structure has: containing the first element 1 of air inlet cavity, the lower end air intake structure of this injector assembly structure is arranged in this first element, and described the first element is provided with spray rail assembly fixed hole 16; Four nozzle assemblies 2 that are installed on the first element top, the entrance of nozzle is connected to air inlet cavity, the arranged in form that these four nozzle assemblies are listed as according to two row two, this nozzle assembly is provided with nozzle plug connector 20; Containing the second element 3 of the cavity of giving vent to anger, it is installed on the outlet side of nozzle assembly, and the upper end air outlet structure of this injector assembly structure is arranged in this second element, and give vent to anger cavity and nozzle outlet side adopt side seal; Local/overall is installed on the nozzle driver element 4 of air inlet cavity, and this nozzle driver element is provided with the nozzle driving radiating electronic element that can heat sink to air inlet cavity, and described nozzle driver element has a nozzle and drives plug connector 42; Be installed on the fuel gas temperature pressure transducer 6 of the first element, it has the signal output part that is positioned at the end of probe of air inlet cavity and and is connected to engine electronic control unit; Be installed on nozzle assembly and by nozzle housing, heat be passed to the PTC nozzle heating device 5 of nozzle interior static iron core, moving iron core, it is connected to engine electronic control unit (ECU) and is automatically controlled by it.Described PTC nozzle heating device is close to nozzle housing by heat-conducting silicone grease.By nozzle housing, heat is passed to quiet, the moving iron core of nozzle interior again, reduce greasy dirt viscosity, melt icing moisture.
Because the low current of ECU output cannot directly drive nozzle assembly work, the low current of ECU output can be risen to the high electric current that can drive nozzle assembly work according to prior art.
Be understandable that, because this injector assembly structure adopts air inlet upper end, the lower end structure of giving vent to anger, centre adopts the nozzle of different numbers to connect according to the size of engine power, and be not limited only to aforesaid four nozzle assemblies, also 5,6,8,10 or more, this depends on the size of engine power.
In the situation that PTC nozzle heating device heats nozzle assembly, other structure being in contact with one another can be taken away heat, in such cases, between described the second element and PTC nozzle heating device, there is heat insulation gap, in this part, heat insulation gap, heat insulating mattress is installed, such as the left and right end that heat insulating mattress is arranged on to heat insulation gap.Referring to Figure 29, between two ends of described the second element and PTC nozzle heating device, heat insulating mattress J1 is installed.
This current drive-type gas spraying nozzle assembly is four NG01 individual nozzle compositions, and when installation, nozzle is installed straight up, the oblique lower layout of nozzle plug connector 20.Wherein, the left and right nozzle plug connector side of nozzle need to leave certain space and be convenient to plug nozzle plug connector, plug connector 42 sides that drive nozzle must leave certain space plug nozzle and drive plug connector, and whole current drive-type gas spraying nozzle assembly mounting point is as far as possible near mixer, avoid spraying rail long to mixer sebific duct, affect engine performance.
Referring to Fig. 5～12, described PTC nozzle heating device 5 is installed on the top of nozzle, it comprises: PTC heated shell 50, the PTC heat block 51 coordinating with PTC heated shell, described PTC heated shell 50 has four perforates that coordinate with nozzle assembly, and has groove shape structure in upper surface middle position.This PTC nozzle heating device mounting point includes but not limited to this, can also be arranged on the side of nozzle.Select PTC nozzle heating device, can effectively be ensured for the Security that uses heating equipment itself.
Wherein, PTC heat block is selected PTC heater element, and shell adopts aluminium alloy extrusions, and two ends encapsulate high temperature resistant red silica gel sealing, can bear the pressure of 1.2bar, there will not be extraneous gas to enter PTC heating element inside.PTC resistive element is covered with in long aluminium alloy extrusions shown in Fig. 5 510 uniformly, electrode slices and wire must be encapsulated in aluminium alloy extrusions.In normal temperature situation, voltage rating (voltage rating 24V, ceiling voltage 30V) heating within 1 minute, need reach more than 200 DEG C with interior aluminium alloy section surface temperature, hot face temperature is controlled at 250 ± 10 degrees Celsius, and wire adopts Teflon lead, length 180mm, temperature resistant range-30 are DEG C to 350 DEG C, wire outer surface overlaps the glass fiber pipe of suitable size, and outlet terminal fiberglass pipe need be encapsulated in high temperature resistant silicon sebific duct the inside, does not stay air clearance as far as possible.
Referring to Figure 19～23, the top of described the second element is provided with the mount inlet of the air outlet adapter 30(air outlet adapter that is connected to mixer and arranges between two parties), described the second element has the interface (four) with nozzle assembly quantity Matching.Particularly, described the second element has the access port 31 of nozzle assembly cooperation, the pipe influx chamber 32 that each access port is collected, air outlet adapter 30 is led in this pipe influx chamber, described pipe influx cavity has horizontal pipeline and the pipe tunnel communicating with access port and the vertical duct of being located at horizontal pipeline and communicating with air outlet adapter, and described horizontal pipeline and pipe tunnel are equipped with one by the shutoff end of plug shutoff.
Referring to Figure 24～26, described nozzle driver element is provided with bottom 7, and the bottom pad 8 made from non-asbestos is installed between bottom and nozzle driver element, between this bottom and the first element, can sealing material be set and air inlet cavity is effectively sealed, and, nozzle driver element selects good Heat Conduction Material to carry out heat derivation to it, carries out heat conduction such as pottery, silica gel sheet etc.
Referring to Figure 27～28, between described the second element and the first element, be provided with the pad pipe 9 of hollow.
Referring to Figure 32～39, described the first element is provided with air input joint 10 at sidewall, this first element has a main cavity communicating with air input joint 13, this main cavity inside has the fixed block of the pcb board of fixed nozzle driver element, because the sidewall fixed nozzle driver element of the first element has selected main cavity top to be fixed, this first element is provided with and nozzle assembly quantity Matching and the exit 14 that cooperatively interacts, described the first element is provided with two groups of crosspassages 15, and communicates between crosspassage.
Referring to Figure 40～43, described the first element is provided with air inlet cavity protecgulum 11, air inlet cavity bonnet 12.
Referring to Figure 44～45, described nozzle driver element is provided with and drives insulation spacer I40 and drive insulation spacer II41.
This current drive-type gas spraying nozzle assembly carries out warm-up control to nozzle after surveying fuel gas temperature, ambient temperature by ECU automatically, eliminate viscosity icing and that greasy dirt brings completely, while guaranteeing nozzle cold-starting, successfully start, reduce the peak electric current that nozzle drives simultaneously, reduced the requirement of heat radiation.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned mode of execution, and every technological scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvement of carrying out under the prerequisite that does not depart from principle of the present utility model, these improve and also should be considered as protection domain of the present utility model.
Claims (3)
1. current drive-type gas spraying nozzle assembly, it comprises the injector assembly structure that contains inlet end and outlet side, it is characterized in that, this injector assembly structure has:
Containing the first element of air inlet cavity, the lower end air intake structure of this injector assembly structure is arranged in this first element;
The multiple nozzle assemblies that are installed on the first element top, the entrance of nozzle is connected to air inlet cavity;
Containing the second element of the cavity of giving vent to anger, it is installed on the outlet side of nozzle assembly, and the upper end air outlet structure of this injector assembly structure is arranged in this second element;
Local/overall is installed on the nozzle driver element of air inlet cavity, and this nozzle driver element is provided with the nozzle driving radiating electronic element that can heat sink to air inlet cavity;
Be installed on the fuel gas temperature pressure transducer of the first element, it has the signal output part that is positioned at the end of probe of air inlet cavity and and is connected to engine electronic control unit;
Be installed on nozzle assembly and by nozzle housing, heat be passed to the PTC nozzle heating device of nozzle interior static iron core, moving iron core, it is connected to engine electronic control unit and is automatically controlled by it.
2. current drive-type gas spraying nozzle assembly according to claim 1, is characterized in that, between described the second element and PTC nozzle heating device, has heat insulation gap, in this entirety/part, heat insulation gap, heat insulating mattress is installed.
3. current drive-type gas spraying nozzle assembly according to claim 1, is characterized in that, described PTC nozzle heating device is close to nozzle housing by heat-conducting silicone grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065399.7U CN203702376U (en) | 2014-02-14 | 2014-02-14 | Current-driven natural gas nozzle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065399.7U CN203702376U (en) | 2014-02-14 | 2014-02-14 | Current-driven natural gas nozzle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702376U true CN203702376U (en) | 2014-07-09 |
Family
ID=51052829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420065399.7U Expired - Lifetime CN203702376U (en) | 2014-02-14 | 2014-02-14 | Current-driven natural gas nozzle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912424A (en) * | 2014-02-14 | 2014-07-09 | 上海依相动力系统有限公司 | Current driving type natural gas nozzle assembly |
-
2014
- 2014-02-14 CN CN201420065399.7U patent/CN203702376U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912424A (en) * | 2014-02-14 | 2014-07-09 | 上海依相动力系统有限公司 | Current driving type natural gas nozzle assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Jing Inventor after: Liu Yong Inventor after: Yang Tao Inventor before: Xu Xianwei Inventor before: Sun Xiaoliang Inventor before: Li Jian Inventor before: Duan Hongqiang Inventor before: Wu Xinxing Inventor before: Liu Jun Inventor before: Li Yuanlong Inventor before: Zheng Tao Inventor before: Sun Yi Inventor before: Li Guibin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XU XIANWEI LI JIAN DUAN HONGQIANG WU XINXING LIU JUN LI YUANLONG ZHENG TAO SUN YI LI GUIBIN SUN XIAOLIANG TO: ZHOU JING LIU YONG YANG TAO |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |