CN105020074B - Diesel oil, natural gas double-fuel integral type injector - Google Patents
Diesel oil, natural gas double-fuel integral type injector Download PDFInfo
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- CN105020074B CN105020074B CN201510405587.9A CN201510405587A CN105020074B CN 105020074 B CN105020074 B CN 105020074B CN 201510405587 A CN201510405587 A CN 201510405587A CN 105020074 B CN105020074 B CN 105020074B
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- fuel
- valve
- ejiction opening
- pressure room
- mobile
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- 239000000446 fuel Substances 0.000 title claims abstract description 113
- 239000002283 diesel fuel Substances 0.000 title claims abstract description 44
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000003345 natural gas Substances 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 41
- 238000002347 injection Methods 0.000 claims abstract description 34
- 239000007924 injection Substances 0.000 claims abstract description 34
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 5
- 235000010599 Verbascum thapsus Nutrition 0.000 claims description 3
- 244000178289 Verbascum thapsus Species 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 241000222712 Kinetoplastida Species 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000012857 repacking Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The embodiment of the invention discloses a kind of diesel oil, natural gas double-fuel integral type injector, including injector body, the injector bodies to be equipped with：Diesel fuel entrance；Gas fuel entrance；Fuel ejiction opening；First passage；Second channel；Oil return opening；Oil return control valve；Diesel fuel injection control needle-valve, connection or cut-off for controlling second pressure room and fuel ejiction opening according to the interaction force between second pressure room, the first elastic component and first pressure room；Gas fuel injection control valve is set to the second valve chamber, connection or cut-off for controlling the second valve chamber and fuel ejiction opening.The embodiment of the present invention, its is simple in structure, easy for installation, and the injection control of diesel fuel can be realized by the cooperation of oil return control valve and diesel fuel injection control needle-valve, or the injection control of gas fuel is realized by gas fuel injection control valve, smooth it can switch between different fuel.
Description
Technical field：
The present invention relates to a kind of double fuel electrically controlled injector, especially diesel oil, natural gas double-fuel integral type injectors.
Background technology：
With the concern to vehicle economy and alternative fuel economy, the feature of environmental protection, automaker and Market for refitting turn
To more economical, Cleaning Equipment, to improve efficiency and energy conservation and environmental protection, so alternative fuel or dual-purpose fuel or pluralities of fuel
It effectively uses, needs the distinct configuration of traditional fuel engine components.
To adapt to the double fuel or the economic ring of multi fuel for being used in mixed way or selecting switching use, repacking or production of multi fuel
Automobile is protected, usually on the basis of former vehicle, has the newly-increased fuel injector being connected to inlet manifold in repacking in inlet manifold, it is former
Vehicle fuel injector and newly-increased fuel injector are independent from each other separate structure.There are following defects：1, automobile is easily caused
The interference of other related accessories, repacking installation are inconvenient.2, the newly-increased fuel injector after reequiping can not be with former vehicle fuel injector
Equally reach best spray angle, the increase of oil consumption can be caused.3, newly-increased fuel injector easy to produce oil film deposition and
Covering.4, it can not adapt to or match advanced cylinder Inner direct injection technologies.
To overcome drawbacks described above, occurs a kind of double fuel unit injector on the market, but its structure is complex, between fuel
Switching has some setbacks.
Invention content：
To overcome existing dual fuel injector complicated, switch the problem of having some setbacks, the embodiment of the present invention between fuel
Provide a kind of diesel oil, natural gas double-fuel integral type injector.
A kind of diesel oil, natural gas double-fuel integral type injector, including injector body, the injector body are equipped with：
Diesel fuel entrance, for being connect with high-pressure oil pipe；
Gas fuel entrance, for being connect with gas fuel feeding pipe；
Fuel ejiction opening；
First passage is connected to diesel fuel entrance and fuel ejiction opening, is equipped with successively from top to bottom in the first passage
Interconnected the first valve chamber, first pressure room and second pressure room；The diesel fuel entrance and first pressure room and the
Two pressure chamber is connected to；The second pressure room is connected to fuel ejiction opening；
Second channel is connected to gas fuel entrance and fuel ejiction opening, and the upper position of the second channel is equipped with the
Two valve chambers；
Oil return opening is connected to first valve chamber；
Oil return control valve is set in the first valve chamber, and the connection or cut-off for controlling first pressure room and oil return opening are to adjust
Save the pressure size of first pressure room；
Diesel fuel injection control needle-valve is set in first passage and between first pressure room and fuel ejiction opening,
The upper end is arranged with the first elastic component, and it is equipped with opposite with second pressure room by small gradually big taper compression zone, is used for root
Moved up and down according to the interaction force between second pressure room, the first elastic component and first pressure room with control second pressure room with
The connection or cut-off of fuel ejiction opening；
Gas fuel injection control valve is set to the second valve chamber, the connection for controlling the second valve chamber and fuel ejiction opening
Or cut-off.
The embodiment of the present invention, it is simple in structure, it is easy for installation, oil return control valve and diesel fuel injection control needle can be passed through
The injection control of diesel fuel is realized in the cooperation of valve, or the injection of gas fuel is realized by gas fuel injection control valve
It controls, smooth can switch between different fuel；Secondly, it can directly replace former vehicle injector and be installed on former vehicle injector institute
In position, best spray angle can be reached, reduce oil consumption；In addition, not will produce oil film deposition and covering.
Description of the drawings：
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 cuts open for the structure of a kind of diesel oil of the present invention, the first embodiment of natural gas double-fuel integral type injector to be shown
Figure；
Fig. 2 cuts open for the structure of a kind of diesel oil of the present invention, the second embodiment of natural gas double-fuel integral type injector to be shown
Figure；
Fig. 3 cuts open for the structure of a kind of diesel oil of the present invention, the 3rd embodiment of natural gas double-fuel integral type injector to be shown
Figure.
Specific implementation mode：
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Embodiment one：As shown in Figure 1, a kind of diesel oil, natural gas double-fuel integral type injector, including injector body,
The injector body is equipped with：
Diesel fuel entrance 11, for being connect with high-pressure oil pipe；
Gas fuel entrance 12, for being connect with gas fuel feeding pipe；
Fuel ejiction opening 2；
First passage is connected to diesel fuel entrance 11 and fuel ejiction opening 2, is set successively from top to bottom in the first passage
There are interconnected the first valve chamber 30, first pressure room 31 and second pressure room 32；The diesel fuel entrance 11 and first
Balancing gate pit 31 is connected to second pressure room 32；The second pressure room 32 is connected to fuel ejiction opening 2；
Second channel is connected to gas fuel entrance 12 and fuel ejiction opening 2, and the upper position of the second channel is equipped with
Second valve chamber 42；
Oil return opening 13 is connected to first valve chamber 30；
Oil return control valve is set to 30 in the first valve chamber, connection for controlling first pressure room 31 and oil return opening 13 or section
Only to adjust the pressure size of first pressure room 31；
Diesel fuel injection control needle-valve 51 is set in first passage and is located at first pressure room 31 and fuel ejiction opening 2
Between, the upper end is arranged with the first elastic component 52, and it is equipped with and opposite with second pressure room 32 is pressurized by small gradually big taper
Portion, for according to the interaction force between second pressure room 32, the first elastic component 52 and first pressure room 31 move up and down with
Control the connection or cut-off of second pressure room 32 and fuel ejiction opening 2；
Gas fuel injection control valve is set to the second valve chamber 42, for controlling the second valve chamber 42 and fuel ejiction opening 2
Connection or cut-off.
The embodiment of the present invention, it is simple in structure, it is easy for installation, oil return control valve and diesel fuel injection control needle can be passed through
The injection control of diesel fuel is realized in the cooperation of valve, or the injection of gas fuel is realized by gas fuel injection control valve
It controls, smooth can switch between different fuel；Secondly, it can directly replace former vehicle injector and be installed on former vehicle injector institute
In position, best spray angle can be reached, reduce oil consumption；In addition, not will produce oil film deposition and covering；And be suitable for or
Match advanced cylinder Inner direct injection technologies.
Further, the fuel ejiction opening 2 includes the first ejiction opening 21 and the second ejiction opening 22, the first ejiction opening
21 are connected to second pressure room 32, and the second ejiction opening 22 is connected to the second valve chamber 42, the first ejiction opening 21 and the second ejiction opening 22
It is mutually parallel, and injection direction is identical.Simple in structure, whether diesel fuel or gas fuel, can reach best
Spray angle, reduce oil consumption.
Still further, the oil return control valve includes：
I-shaped coil brace 61, downward opening socket guide part is equipped at longitudinal axis center, and circumferential exterior surface is opened
Equipped with annular groove；
First electromagnetic coil 62 is set on the annular groove of I-shaped coil brace 61；
First mobile 63, one end are socketed in the socket guide part of the I-shaped coil brace 61 and can be along sockets
Guide part moves up and down；
Ball valve 64 connect with the other end of the first mobile 63 and is located at mutual between the first valve chamber and first pressure room
Connectivity part；
Second elastic component 65, be set to the I-shaped coil brace 61 socket guide part in and with 63 phase of the first mobile
It supports；
When first electromagnetic coil 62 is powered, the magnetic force that the energization of the first electromagnetic coil 62 generates drives the first mobile 63
Overcome the active force of the second elastic component 65 to be moved up along socket guide part, ball valve 64 is made to follow the first mobile 63 from bottom to top
It is moved out the interconnected place between the first valve chamber 30 and first pressure room 31, at this time oil return opening 13 and first pressure room 31
Connection, first pressure room 31 makes the pressure of first pressure room 31 reduce, at this point, second pressure room 32 by 13 pressure release of oil return opening
Pressure push diesel fuel injection control needle-valve 51 overcome the first elastic component 52 elastic force and first pressure room 31 pressure to
Upper movement makes second pressure room 32 be connected to the first ejiction opening 21, realizes diesel fuel injection；First electromagnetic coil 62 is disconnected
When electric, the first mobile 63 the second elastic component 65 reset response power lower edge socket guide part move down, make ball valve 64 with
It is moved from top to bottom with the first mobile 63 and tight against the interconnected place between the first valve chamber 30 and first pressure room 31, at this time
Oil return opening 13 ends with 31 phase of first pressure room, so that the pressure of first pressure room 31 is increased gradually until with 32 phase of second pressure room
Deng at this point, diesel fuel injection control needle-valve 51 is moved down under the active force of the first elastic component 52 and is sprayed tight against first
Mouth 21 makes second pressure room 32 and 21 phase of the first ejiction opening end, to stop diesel fuel injection.It is simple in structure, by right
The control of oil return control valve, can indirect control diesel fuel injection.
Further, the gas fuel injection control valve includes：
Valve seat 71 is installed in the second valve chamber 42, and the valve seat is in T shape, has a located lateral portion and an opening
Longitudinal socket guide part directed downwardly, wherein the fuel deflector hole through itself, and fuel water conservancy diversion are offered in located lateral portion
Hole is located at the periphery of longitudinal socket guide part；
Second mobile 72, one end are set in longitudinal socket guide part；
Second electromagnetic coil 73 is set to the periphery of the second valve chamber 42, and opposite with the second mobile 72；
Third elastic component 74 is set in longitudinal socket guide part, and the transverse direction with the second mobile 72 and valve seat 71 respectively
Positioning region offsets；
Needle-valve 75 is installed in the second valve chamber 42, and between the second mobile 72 and the second ejiction opening 22, with
The other end of two mobiles 72 is connected and can be moved up and down；
When second electromagnetic coil 73 is powered, the magnetic force that the energization of the second electromagnetic coil 73 generates drives the second mobile 72
Overcome the active force of third elastic component 74 to be socketed guide part along longitudinal direction to move up, needle-valve 75 is made to follow the second mobile 72 under
The connectivity part of the second valve chamber 42 and second channel is moved up and is detached from, the second valve chamber 42 is connected to the second ejiction opening 22 at this time,
Realize the injection of gas fuel；When second electromagnetic coil 73 powers off, the second answering in third elastic component 74 of mobile 72
Longitudinally socket guide part moves down position active force lower edge, make needle-valve 75 follow the second mobile 72 move from top to bottom and tight against
The connectivity part of second valve chamber 42 and second channel, the second valve chamber 42 ends with 22 phase of the second ejiction opening at this time, to stop natural
The injection of gas fuel.It is simple in structure, it is stably controlled the injection of gas fuel.
Specifically, 2 periphery of fuel ejiction opening offers annular groove, and annular groove is equipped with sealing ring.It is simple in structure, even
Connect good airproof performance.
Further, be convexly equipped with can be with the interior table of gas fuel feeding pipe for the periphery of the gas fuel entrance 12
Face is matched several by small gradually big anticreep locating ring 121.
Embodiment two：The difference is that, it is convenient and natural to be equipped at the gas fuel entrance 12 with embodiment one
The fast-type connector that gas fuel feed line is connected, the fast-type connector include one by small gradually big tapered plugging portion 122, position
Threaded locking auxiliary section 123 and one, which is opened up, in the periphery of 122 lower section of tapered plugging portion is set to gas fuel supply pipe
It road simultaneously can be with locking 123 matched nut 124 of auxiliary section, wherein the tapered plugging portion 122 and locking auxiliary section 123
Between be equipped with annular groove 125.
Embodiment three：The difference is that, it is convenient and natural to be equipped at the gas fuel entrance 12 with embodiment one
The collar joint that gas fuel feed line is connected, the collar joint include that periphery opens up threaded locking auxiliary section
126, on gas fuel feeding pipe and can with locking 126 matched nut 127 of auxiliary section and match set on locking
It is provided with through-hole and by gradually small Tapered Cup 128 and ring washer 129 greatly between conjunction portion 126 and nut 127.
It is as described above the one or more embodiments for combining particular content to provide, does not assert the specific reality of the present invention
It applies and is confined to these explanations.It is all approximate with method of the invention, structure etc., identical, or for present inventive concept under the premise of
Several technology deduction or replace are made, protection scope of the present invention is all should be considered as.
Claims (8)
1. a kind of diesel oil, natural gas double-fuel integral type injector, including injector body, which is characterized in that injector master
Body is equipped with：
Diesel fuel entrance, for being connect with high-pressure oil pipe；
Gas fuel entrance, for being connect with gas fuel feeding pipe；
Fuel ejiction opening；
First passage is connected to diesel fuel entrance and fuel ejiction opening, is equipped with successively from top to bottom in the first passage mutual
The first valve chamber, first pressure room and the second pressure room of connection；The diesel fuel entrance and first pressure room and the second pressure
Power room is connected to；The second pressure room is connected to fuel ejiction opening；
Second channel is connected to gas fuel entrance and fuel ejiction opening, and the upper position of the second channel is equipped with the second valve
Chamber；
Oil return opening is connected to first valve chamber；
Oil return control valve is set in the first valve chamber, connection or cut-off for controlling first pressure room and oil return opening, to adjust the
The pressure size of one balancing gate pit；
Diesel fuel injection control needle-valve is set in first passage and between first pressure room and fuel ejiction opening, thereon
End cap is equipped with the first elastic component, and its be equipped with it is opposite with second pressure room by small gradually big taper compression zone, for according to the
Interaction force between two pressure chamber, the first elastic component and first pressure room is moved up and down to control second pressure room and fuel
The connection or cut-off of ejiction opening；
Gas fuel injection control valve is set to the second valve chamber, is used to control the connection of the second valve chamber and fuel ejiction opening or cuts
Only.
2. diesel oil according to claim 1, natural gas double-fuel integral type injector, which is characterized in that the fuel spray
Outlet includes the first ejiction opening and the second ejiction opening, and the first ejiction opening is connected to second pressure room, the second ejiction opening and second
Valve chamber is connected to, and the first ejiction opening and the second ejiction opening are mutually parallel, and injection direction is identical.
3. diesel oil according to claim 2, natural gas double-fuel integral type injector, which is characterized in that the oil return control
Valve processed includes：
I-shaped coil brace, downward opening socket guide part is equipped at longitudinal axis center, and circumferential exterior surface offers ring
Connected in star；
First electromagnetic coil is set on the annular groove of I-shaped coil brace；
First mobile, one end are socketed in the socket guide part of the I-shaped coil brace and can be along socket guide parts
Lower movement；
Ball valve connect with the other end of the first mobile and is located at the interconnected place between the first valve chamber and first pressure room；
Second elastic component offsets in the socket guide part of the I-shaped coil brace and with the first mobile；
When first electromagnetic coil is powered, the magnetic force that the energization of the first electromagnetic coil generates drives the first mobile to overcome the second bullet
Property part active force along socket guide part move up, make ball valve that the first mobile be followed to be moved out the first valve from bottom to top
Interconnected place between chamber and first pressure room, at this time oil return opening be connected to first pressure room, first pressure room passes through oil return
Mouth pressure release；When the first electromagnetic coil power-off, the first mobile is socketed in the reset response power lower edge of the second elastic component and is oriented to
Portion moves down, and makes ball valve that the first mobile be followed to move from top to bottom and tight against the phase between the first valve chamber and first pressure room
Intercommunicated place, at this time oil return opening mutually end with first pressure room.
4. diesel oil according to claim 2, natural gas double-fuel integral type injector, which is characterized in that the natural gas
Injection control valve includes：
Valve seat is installed in the second valve chamber, and the valve seat is in T shape, downward opening vertical with a located lateral portion and one
To socket guide part, wherein offer the fuel deflector hole through itself in located lateral portion, and fuel deflector hole is positioned at vertical
To the periphery of socket guide part；
Second mobile, one end are set in longitudinal socket guide part；
Second electromagnetic coil is set to the periphery of the second valve chamber, and opposite with the second mobile；
Third elastic component is set in longitudinal socket guide part, and the located lateral portion with the second mobile and valve seat offsets respectively；
Needle-valve is installed in the second valve chamber, and between the second mobile and the second ejiction opening, another with the second mobile
One end connects and can move up and down；
When second electromagnetic coil is powered, the magnetic force that the energization of the second electromagnetic coil generates drives the second mobile to overcome third bullet
The active force of property part is socketed guide part and moves up along longitudinal direction, makes needle-valve that the second mobile be followed to be moved out from bottom to top
The connectivity part of two valve chambers and second channel, at this time the second valve chamber be connected to the second ejiction opening；When the second electromagnetic coil power-off,
In the reset response power lower edge of third elastic component, longitudinally socket guide part moves down for second mobile, and needle-valve is made to follow the second work
Kinetoplast moves and from top to bottom tight against the connectivity part of the second valve chamber and second channel, and the second valve chamber and the second ejiction opening phase are cut at this time
Only.
5. diesel oil according to claim 3 or 4, natural gas double-fuel integral type injector, which is characterized in that the fuel
Ejiction opening periphery offers annular groove, and annular groove is equipped with sealing ring.
6. diesel oil according to claim 3 or 4, natural gas double-fuel integral type injector, which is characterized in that described natural
The periphery of gas fuel inlet is convexly equipped with can be matched several by small gradually big anti-with the inner surface of gas fuel feeding pipe
De- locating ring.
7. diesel oil according to claim 3 or 4, natural gas double-fuel integral type injector, which is characterized in that described natural
The convenient fast-type connector being connected with gas fuel feeding pipe is equipped at gas fuel inlet, which includes one
Threaded locking auxiliary section is opened up by small gradually big tapered plugging portion, the periphery below tapered plugging portion and one is set
In on gas fuel feeding pipe and can with locking the matched nut in auxiliary section, wherein the tapered plugging portion with locking
Annular groove is equipped between auxiliary section.
8. diesel oil according to claim 3 or 4, natural gas double-fuel integral type injector, which is characterized in that described natural
The convenient collar joint being connected with gas fuel feeding pipe is equipped at gas fuel inlet, which includes outer
The threaded locking auxiliary sections Zhou Kaishe, be set to gas fuel feeding pipe on and can with lock the matched spiral shell in auxiliary section
It is female and be provided with through-hole and by gradually small Tapered Cup and ring washer greatly between locking auxiliary section and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405587.9A CN105020074B (en) | 2015-07-09 | 2015-07-09 | Diesel oil, natural gas double-fuel integral type injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405587.9A CN105020074B (en) | 2015-07-09 | 2015-07-09 | Diesel oil, natural gas double-fuel integral type injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020074A CN105020074A (en) | 2015-11-04 |
| CN105020074B true CN105020074B (en) | 2018-07-27 |
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| CN201510405587.9A Active CN105020074B (en) | 2015-07-09 | 2015-07-09 | Diesel oil, natural gas double-fuel integral type injector |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888903B (en) * | 2016-04-21 | 2018-07-31 | 哈尔滨工程大学 | The double electromagnetism hybrid fuel jet devices of combined type |
| CN108798914A (en) * | 2018-03-15 | 2018-11-13 | 江苏科技大学 | A kind of dual fuel engine declared working condition NOx emission and detonating combustion control strategy |
| CN109139315A (en) * | 2018-09-21 | 2019-01-04 | 英嘉动力科技无锡有限公司 | A kind of novel dual fuel injector |
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| JPS56159559A (en) * | 1980-05-09 | 1981-12-08 | Nissan Motor Co Ltd | Fuel injection device |
| CN101806265A (en) * | 2009-03-18 | 2010-08-18 | 临海弘征汽车电喷技术有限公司 | Swirling electronic-controlled fuel injector of gasoline engine |
| CN202280982U (en) * | 2011-09-21 | 2012-06-20 | 杭州美亚三福塑料有限公司 | Fast connector |
| CN102705120A (en) * | 2012-06-19 | 2012-10-03 | 哈尔滨工程大学 | Dual-fuel electric control monomer ejector |
| CN204783398U (en) * | 2015-07-09 | 2015-11-18 | 胡松平 | Diesel oil, natural gas double fuel integral type sprayer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8733326B2 (en) * | 2011-06-24 | 2014-05-27 | Caterpillar Inc. | Dual fuel injector for a common rail system |
-
2015
- 2015-07-09 CN CN201510405587.9A patent/CN105020074B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56159559A (en) * | 1980-05-09 | 1981-12-08 | Nissan Motor Co Ltd | Fuel injection device |
| CN101806265A (en) * | 2009-03-18 | 2010-08-18 | 临海弘征汽车电喷技术有限公司 | Swirling electronic-controlled fuel injector of gasoline engine |
| CN202280982U (en) * | 2011-09-21 | 2012-06-20 | 杭州美亚三福塑料有限公司 | Fast connector |
| CN102705120A (en) * | 2012-06-19 | 2012-10-03 | 哈尔滨工程大学 | Dual-fuel electric control monomer ejector |
| CN204783398U (en) * | 2015-07-09 | 2015-11-18 | 胡松平 | Diesel oil, natural gas double fuel integral type sprayer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105020074A (en) | 2015-11-04 |
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Effective date of registration: 20201112 Address after: No.8, zhuguan North Road, Suining Economic Development Zone, Xuzhou City, Jiangsu Province, 221000 Patentee after: Jiangsu Shengtong solid waste environmental protection disposal Co.,Ltd. Address before: 425000, No. 1406, D building, C2 garden, southwest garden, Xiaoxiang Road, Yongzhou, Hunan Patentee before: Hu Songping Patentee before: Sun Xialin |
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Effective date of registration: 20220323 Address after: 214000 Xindu Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Changqing Chemical Anticorrosion Equipment Co.,Ltd. Address before: 221000 No. 8, zhuguan North Road, Suining Economic Development Zone, Xuzhou City, Jiangsu Province Patentee before: Jiangsu Shengtong solid waste environmental protection disposal Co.,Ltd. |
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