CN113685297A - Fuel injector mounting device - Google Patents
Fuel injector mounting device Download PDFInfo
- Publication number
- CN113685297A CN113685297A CN202110851967.0A CN202110851967A CN113685297A CN 113685297 A CN113685297 A CN 113685297A CN 202110851967 A CN202110851967 A CN 202110851967A CN 113685297 A CN113685297 A CN 113685297A
- Authority
- CN
- China
- Prior art keywords
- hole
- oil
- mounting
- mounting hole
- diameter
- 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.)
- Granted
Links
Images
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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
Abstract
The invention discloses a fuel injector mounting device which is used for fixing a fuel injector and comprises a pressure head, a sleeve and a mounting seat. The oil sprayer comprises a pressure head, a first oil through hole, a second oil through hole, a first oil pipe and a second oil pipe, wherein the pressure head is provided with a first end and a second end which are opposite to each other; the sleeve is provided with a first end and a second end which are opposite, and the first end of the sleeve is in threaded connection with the outer peripheral surface of the second end of the pressure head; the mounting seat is provided with a first mounting hole and a second mounting hole, the first mounting hole is coaxially communicated with the second mounting hole, the second mounting hole is used for fixing the oil spraying end of the oil sprayer, and the second end of the sleeve is in threaded connection with the first mounting hole of the mounting seat. The oil sprayer mounting device provided by the invention can stably fix the oil sprayer, has a good sealing effect, can meet the test fixing requirement of the oil sprayer with high injection pressure, and is easy to disassemble in threaded connection and small in mounting space.
Description
Technical Field
The invention belongs to the technical field of oil sprayer detection, and particularly relates to an oil sprayer mounting device.
Background
The fuel injector is an important component of a combustion system of a direct injection gasoline engine (GDI), so that in the development process of the combustion system of the engine, the spraying characteristic of the fuel injector needs to be tested on a constant volume bomb or an optical machine, and through carrying out visualization and quantitative measurement on the fuel atomization and evaporation processes and the air flow movement, test data support and verification can be provided for combustion development numerical calculation and modeling calibration, thermodynamic development work is advanced, and the development efficiency of the engine is greatly improved.
In the spray test of the oil injector, the installation and fixing structure of the oil injector is very important. With the continuous progress of the technology of the direct injection gasoline engine, in order to reduce the spray particle size and promote the evaporation and mixing of fuel so as to further improve the combustion efficiency of the engine, the injection pressure of the modern gasoline engine injection system is higher and higher, and the fuel injector with the injection pressure of 350bar is realized in mass production. Because the spray test system (such as a constant volume bomb and an optical machine) has high-temperature and high-pressure environment, any fuel leakage is easy to cause safety accidents. In order to better simulate the fuel injection of the engine in a test system, the installation and fixing structure of the fuel injector must be safe and reliable, and the requirements of frequent disassembly and the like in the test process are met.
Disclosure of Invention
In order to solve the technical problems, the invention provides the oil injector mounting device which can meet the requirement of fixing the oil injector with high injection pressure, and is good in sealing property, reliable in mounting and easy to detach.
The technical scheme of the invention is as follows:
the invention provides a fuel injector mounting device for fixing a fuel injector, the device comprising:
the oil sprayer comprises a pressure head, a first oil through hole and a second oil through hole, wherein the pressure head is provided with a first end and a second end which are opposite to each other, the first end of the pressure head is provided with the first oil through hole, the second end of the pressure head is provided with a tapered hole used for fixing an oil supply end of the oil sprayer, the first oil through hole is coaxially communicated with the tapered hole, and the inner diameter of the tapered hole is sequentially increased in a direction far away from the first oil through hole;
the sleeve is provided with a first end and a second end which are opposite, and the first end of the sleeve is in threaded connection with the outer peripheral surface of the second end of the pressure head;
the mounting seat is provided with a first mounting hole and a second mounting hole, the first mounting hole is coaxially communicated with the second mounting hole, the second mounting hole is used for fixing the oil spraying end of the oil sprayer, and the second end of the sleeve is in threaded connection with the first mounting hole of the mounting seat.
Further, the device also comprises a straight-through adapter, a clamping sleeve and a high-pressure oil pipe, wherein,
the direct adapter is provided with a first end and a second end which are oppositely arranged, the first end of the direct adapter is provided with a first counter bore, the second end of the direct adapter is provided with a second oil through hole, the first counter bore is coaxially communicated with the second oil through hole, the inner side of the first counter bore is provided with a first sealing ring, the height of the first sealing ring is larger than that of the first counter bore, the periphery of the end part of the high-pressure oil pipe is provided with an annular bulge, the outer diameter of the annular bulge is larger than the diameter of the first counter bore, the inner diameter of the annular bulge is smaller than the inner diameter of the first sealing ring, the annular bulge, the first sealing ring and the first counter bore are coaxially communicated, the second end of the direct adapter is fixedly connected with the first end of the pressure head, and the second oil through hole is coaxially communicated with the first oil through hole,
the cutting ferrule has relative first end and the second end that sets up, the first end of cutting ferrule is provided with the third mounting hole, the second end of cutting ferrule is provided with the fourth mounting hole, the third mounting hole with the coaxial intercommunication of fourth mounting hole, the cutting ferrule the diameter of third mounting hole is less than the bellied external diameter of annular, high pressure fuel pipe inserts the cutting ferrule in the third mounting hole, annular protruding set up in the cutting ferrule in the fourth mounting hole, the first end threaded connection of direct adapter is in the fourth mounting hole of cutting ferrule.
Further, the second end of through adapter is provided with the connecting pipe, the connecting pipe with the coaxial intercommunication in second logical oilhole of through adapter, the connecting pipe outer peripheral face is the conical surface, the outer radial of connecting pipe is kept away from the direction of through adapter reduces in proper order, the first end of pressure head is provided with the connecting hole, the connecting hole with the pressure head first logical oilhole coaxial intercommunication, connecting pipe threaded connection is in the connecting hole.
Further, the diameter of the first oil passage hole is smaller than the diameter of the second oil passage hole.
Further, a ratio of a diameter of the first oil passage hole to a diameter of the second oil passage hole is smaller than 1.
Further, the periphery of the sleeve is provided with a mounting opening.
Further, the mounting port is provided to penetrate in the axial direction of the sleeve.
Furthermore, a first limiting hole and a second limiting hole which are coaxial and communicated are arranged in the sleeve, and the diameter of the first limiting hole is smaller than that of the second limiting hole.
Further, be provided with the third mounting hole on the mount pad, first mounting hole third mounting hole and the second mounting hole is all coaxial and communicate in proper order, the diameter of third mounting hole is greater than the diameter of second mounting hole, be provided with the second sealing ring in the third mounting hole, the internal diameter of second sealing ring is greater than the internal diameter of second mounting hole.
Further, the periphery of pressure head, sleeve pipe and cutting ferrule all has two installation faces of relative setting.
The beneficial effects of the invention at least comprise:
the invention provides a fuel injector mounting device which is used for fixing a fuel injector, wherein the fuel injector is provided with a fuel supply end and a fuel injection end, and the device comprises a pressure head, a sleeve and a mounting seat. The oil sprayer comprises a pressure head, a first oil through hole, a second oil through hole, a first oil pipe and a second oil pipe, wherein the pressure head is provided with a first end and a second end which are opposite to each other; the sleeve is provided with a first end and a second end which are opposite, and the first end of the sleeve is in threaded connection with the outer peripheral surface of the second end of the pressure head; the mounting seat is provided with a first mounting hole and a second mounting hole, the first mounting hole is coaxially communicated with the second mounting hole, the second mounting hole is used for fixing the oil spraying end of the oil sprayer, and the second end of the sleeve is in threaded connection with the first mounting hole of the mounting seat. The oil sprayer mounting device is characterized in that the sleeve is in threaded connection with the mounting seat, the sleeve is in threaded connection with the pressure head, the sleeve and the mounting seat can be fixedly connected by screwing the sleeve and the mounting seat, then the pressure head and the sleeve are screwed, the pressure head is axially close to the sleeve, the pressure head can be close to the sleeve, so that the oil supply end of an oil sprayer is also close to the sleeve, and the axial fastening connection of the oil sprayer is completed. And the threaded connection is easy to disassemble, and the installation space is small.
Drawings
FIG. 1 is a schematic view of a fuel injector mounting assembly of the present embodiment assembled with a fuel injector;
fig. 2 is a schematic structural view of the assembly of the high-pressure oil pipe, the through adapter and the ferrule in fig. 1;
FIG. 3 is a schematic view of the assembly of the ram, sleeve and mount of FIG. 1;
figure 4 is a top view of the ram.
Description of reference numerals: 100-high pressure oil pipe, 110-annular protrusion; 200-a straight through joint, 210-a second oil through hole, 220-a first counter bore, 230-a first sealing ring and 240-a connecting pipe; 300-a cutting sleeve, 310-a third mounting hole and 320-a fourth mounting hole; 400-pressure head, 410-first oil through hole, 420-taper hole and 430-connecting hole; 500-sleeve, 510-first limit hole, 520-third limit hole; 600-a mounting seat, 610-a first mounting hole, 620-a second mounting hole, 630-a third mounting hole; 700-oil injector, 701-oil injection end, 702-oil supply end and 730-plug connector.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.
Fig. 1 is a schematic structural diagram of an injector mounting device and an injector assembly according to this embodiment, fig. 2 is a schematic structural diagram of a high-pressure fuel pipe, a through adapter, and a ferrule assembly in fig. 1, fig. 3 is a schematic structural diagram of an assembly of a pressure head, a sleeve, and a mounting seat in fig. 1, and fig. 4 is a top view of the pressure head, which is combined with fig. 1 to 4, in an embodiment of the present invention, there is provided an injector mounting device for fixing an injector 700, where the injector 700 has an oil supply end 720 and an oil injection end 710, and the device includes a pressure head 400, a sleeve 500, and a mounting seat 600.
The pressure head 400 is provided with a first end and a second end which are opposite, the first end of the pressure head 400 is provided with a first oil through hole 410, the second end of the pressure head 400 is provided with a tapered hole 420 which is used for fixing an oil supply end 720 of the oil injector 700, the first oil through hole 410 is coaxially communicated with the tapered hole 420, and the inner diameter of the tapered hole 420 is sequentially increased in a direction away from the first oil through hole 410; the sleeve 500 has opposite first and second ends, and the first end of the sleeve 500 is screwed on the outer circumferential surface of the second end of the ram 400; the mounting seat 600 is provided with a first mounting hole 610 and a second mounting hole 620 which are coaxially communicated with each other and used for fixing a fuel injection end 720 of the fuel injector 700, and a second end of the sleeve 500 is screwed in the first mounting hole 610 of the mounting seat 600.
In the device, the sleeve 500 is in threaded connection with the mounting seat 600, the sleeve 500 is in threaded connection with the pressure head 400, the sleeve 500 and the mounting seat 600 can be fixedly connected by screwing the sleeve 500 and the mounting seat 600, then the pressure head 400 is screwed with the sleeve 500, the pressure head 400 is axially close to the sleeve 500, the pressure head 400 can be close to the sleeve 500, the oil supply end 720 of the oil injector 700 is also close to the sleeve 500, and the oil injector 700 is axially fastened and connected, due to the arrangement of the tapered hole 420 of the pressure head 400, when the pressure head 400 is close to the sleeve 500 for fastening and connecting, the periphery of the oil supply end 720 of the oil injector 700 and the hole wall of the tapered hole 420 are squeezed to form good sealing, and the arrangement of the tapered hole 420 can also be suitable for the sealing requirements of the oil injectors 700 with the oil supply ends 720 of different sizes, so that the oil injector mounting device provided by the invention can stably fix the oil injector 700, meanwhile, the oil sprayer 700 sealing structure has a good sealing effect, can meet the test fixing requirement of the oil sprayer 700 with high injection pressure, is easy to disassemble in threaded connection, and is small in installation space.
The high-pressure oil pipe 100 is a high-pressure and oil-resistant hose, and one end of the high-pressure oil pipe, which is far away from the pressure head 400, is connected with a high-pressure fuel pump. When the fuel injector 700 is installed, a sealing ring may be installed at the fuel supply end 720, such that the sealing ring is pressed against the inner wall of the tapered bore 420 to form a seal.
Further, with reference to fig. 2, in this embodiment, the apparatus may further include a through adapter 200, a ferrule 300, and a high-pressure oil pipe 100, where the through adapter 200 has a first end and a second end that are disposed opposite to each other, the first end of the through adapter 200 is provided with a first counterbore 220, the second end of the through adapter is provided with a second oil through hole 210, the first counterbore 220 is coaxially communicated with the second oil through hole 210, the inner side of the first counterbore 200 is provided with a first sealing ring 230, the height of the first sealing ring 230 is greater than that of the first counterbore 200, the outer periphery of the end portion of the high-pressure oil pipe 100 is provided with an annular protrusion 110, the outer diameter of the annular protrusion 110 is greater than the diameter of the first counterbore 200, the inner diameter of the annular protrusion 110 is smaller than the inner diameter of the first sealing ring 230, the annular protrusion 110, the first sealing ring 230 and the first counterbore 220 are coaxially communicated, the second end of the through adapter 200 is fixedly connected with the first end of the pressure head 400, the second oil through hole 210 is coaxially communicated with the first oil through hole 410; cutting ferrule 300 has relative first end and the second end that sets up, the first end of cutting ferrule 300 is provided with third mounting hole 310, the second end of cutting ferrule 300 is provided with fourth mounting hole 320, third mounting hole 310 and the coaxial intercommunication of fourth mounting hole 320, the diameter of the third mounting hole 310 of cutting ferrule 300 is less than the external diameter of annular bulge 110, high pressure fuel pipe 100 inserts in the third mounting hole 310 of cutting ferrule 300, annular bulge 110 sets up in the fourth mounting hole 320 of cutting ferrule 300, the first end threaded connection of straight-through adapter 200 is in the fourth mounting hole 320 of cutting ferrule 300. By screwing the threads between the cutting sleeve 300 and the through adapter 200, the first sealing ring 230 can be pressed by the limiting surface formed by the third mounting hole 310 and the fourth mounting hole 320 of the cutting sleeve 300, and the first sealing ring 230 is pressed by the limiting surface formed by the first counter bore 220 and the second through hole 210 of the straight adapter 200, so that a good seal is formed between the high-pressure oil pipe 100 and the through adapter 200. The ferrule 300 may be a hexagonal ferrule, or may be another ferrule that can implement the functions of the present invention, and is not limited in this respect.
Further, with reference to fig. 2, in this embodiment, a second end of the through adapter 200 may further be provided with a connecting pipe 240, the connecting pipe 240 is coaxially communicated with the second oil passing hole 210 of the through adapter 200, an outer peripheral surface of the connecting pipe 240 is a conical surface, an outer diameter of the connecting pipe decreases in sequence in a direction away from the through adapter, a first end of the pressure head 400 is provided with a connecting hole 430, the first oil passing hole 410 and the conical hole 420 are coaxial and sequentially communicated, the connecting pipe 240 is screwed in the connecting hole 430 of the pressure head 400, and the outer peripheral conical surface of the connecting pipe 240 is designed, so that a good seal may be formed between the through adapter 200 and the pressure head 400 by screwing the through adapter 200. In the manufacturing process, the through adapter 200 and the connecting pipe 240 may be integrally formed.
Specifically, referring to fig. 2 and 3, in the present embodiment, the diameter of the first oil passing hole 410 is smaller than that of the second oil passing hole 210, so that the pressure of the oil flowing from the high pressure oil pipe 100 can be increased to match the high pressure injector test.
Preferably, in the present embodiment, the ratio of the diameter of the first oil passing hole 410 to the diameter of the second oil passing hole 210 is less than 1.
Further, referring to fig. 1 and 3, the sleeve 500 is provided with a mounting opening at its outer periphery, so that the connector 730 can freely extend out from the mounting opening during the installation of the fuel injector 700, and is not limited by the installation angle and position.
Preferably, referring to fig. 1 and 3, the mounting opening 510 may be disposed to penetrate in the axial direction of the sleeve 500.
Further, referring to fig. 3, in the present embodiment, a first limiting hole 510 and a second limiting hole 520 are coaxially and communicatively disposed in the sleeve 500, and a diameter of the first limiting hole 510 is smaller than a diameter of the second limiting hole 520, so that a limiting surface may be formed in the sleeve 500, and the limiting surface may cooperate with a stepped surface of a housing of the fuel injector 700, so that the fuel injector 700 is more stably mounted in the device.
Further, referring to fig. 3, in the present embodiment, a third mounting hole 630 is formed in the mounting base 600, the first mounting hole 610, the third mounting hole 630 and the second mounting hole 620 are coaxially and sequentially communicated, a diameter of the third mounting hole 630 is larger than a diameter of the second mounting hole 620, a second sealing ring 640 is disposed in the third mounting hole 630, when the injector 700 is mounted, the injection end 710 of the injector 700 penetrates through the second sealing ring 640 and enters the second mounting hole 620, when the ram 3 is screwed down, the injector 700 moves downward along with the ram 400, and the second sealing ring 640 extrudes on a step surface formed by the third mounting hole 630 and the second mounting hole 620 to form an end surface seal.
Specifically, in the present embodiment, in order to realize the rotation of the indenter, the sleeve, and the ferrule, two mounting surfaces are oppositely arranged on the outer peripheries of the indenter, the sleeve, and the ferrule.
In addition, during the test, the mounting seat is fixedly mounted on the fuel injector mounting opening of the optical engine or the thermal single-cylinder engine to perform the test.
The oil sprayer mounting device provided by the invention can be suitable for mounting oil sprayers with different oil supply end sizes, can also be applied to constant volume bombs, optical machines and thermal single-cylinder machines, is sealed and mounted reliably, and is easy to disassemble and replace in the test process.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A fuel injector mounting apparatus for securing a fuel injector having a supply end and a spray end, the apparatus comprising:
the oil sprayer comprises a pressure head, a first oil through hole and a second oil through hole, wherein the pressure head is provided with a first end and a second end which are opposite to each other, the first end of the pressure head is provided with the first oil through hole, the second end of the pressure head is provided with a tapered hole used for fixing an oil supply end of the oil sprayer, the first oil through hole is coaxially communicated with the tapered hole, and the inner diameter of the tapered hole is sequentially increased in a direction far away from the first oil through hole;
the sleeve is provided with a first end and a second end which are opposite, and the first end of the sleeve is in threaded connection with the outer peripheral surface of the second end of the pressure head;
the mounting seat is provided with a first mounting hole and a second mounting hole, the first mounting hole is coaxially communicated with the second mounting hole, the second mounting hole is used for fixing the oil spraying end of the oil sprayer, and the second end of the sleeve is in threaded connection with the first mounting hole of the mounting seat.
2. The fuel injector mounting apparatus of claim 1, further comprising a through adapter, a ferrule, and a high pressure fuel line, wherein,
the high-pressure oil pipe is characterized in that the straight-through adapter is provided with a first end and a second end which are oppositely arranged, the first end of the straight-through adapter is provided with a first counter bore, the second end of the straight-through adapter is provided with a second oil through hole, the first counter bore is coaxially communicated with the second oil through hole, the inner side of the first counter bore is provided with a first sealing ring, the height of the first sealing ring is larger than that of the first counter bore, the periphery of the end part of the high-pressure oil pipe is provided with an annular bulge, the outer diameter of the annular bulge is larger than the diameter of the first counter bore, the inner diameter of the annular bulge is smaller than the inner diameter of the first sealing ring, the annular bulge, the first sealing ring and the first counter bore are coaxially communicated, the second end of the straight-through adapter is fixedly connected with the first end of the pressure head, and the second oil through hole is coaxially communicated with the first oil through hole;
the cutting ferrule has relative first end and the second end that sets up, the first end of cutting ferrule is provided with the third mounting hole, the second end of cutting ferrule is provided with the fourth mounting hole, the third mounting hole with the coaxial intercommunication of fourth mounting hole, the cutting ferrule the diameter of third mounting hole is less than the bellied external diameter of annular, high pressure fuel pipe inserts the cutting ferrule in the third mounting hole, annular protruding set up in the cutting ferrule in the fourth mounting hole, the first end threaded connection of direct adapter is in the fourth mounting hole of cutting ferrule.
3. The fuel injector mounting device according to claim 2, wherein a connecting pipe is disposed at the second end of the through adapter, the connecting pipe is coaxially communicated with the second oil passing hole of the through adapter, the outer peripheral surface of the connecting pipe is a conical surface, the outer diameter of the connecting pipe decreases in sequence in the direction away from the through adapter, a connecting hole is disposed at the first end of the pressure head, the connecting hole, the first oil passing hole and the conical hole are all coaxially and sequentially communicated, and the connecting pipe is in threaded connection with the connecting hole of the pressure head.
4. A fuel injector mounting arrangement according to claim 3, characterised in that the diameter of the first oil passage hole is smaller than the diameter of the second oil passage hole.
5. The fuel injector mounting assembly according to claim 4, wherein a ratio of a diameter of said first oil passing hole to a diameter of said second oil passing hole is less than 1.
6. A fuel injector mounting arrangement according to any one of claims 1 to 5, characterised in that the sleeve is provided with mounting ports at its periphery.
7. The fuel injector mounting arrangement according to claim 6, wherein the mounting port is provided axially through the sleeve.
8. The fuel injector mounting arrangement according to claim 6 wherein the sleeve has disposed therein first and second coaxial and communicating limiting bores, the first limiting bore having a diameter less than the diameter of the second limiting bore.
9. The fuel injector mounting device according to claim 6, wherein a third mounting hole is formed in the mounting seat, the first mounting hole, the third mounting hole and the second mounting hole are coaxial and sequentially communicated, the diameter of the third mounting hole is larger than that of the second mounting hole, a second sealing ring is arranged in the third mounting hole, and the inner diameter of the second sealing ring is larger than that of the second mounting hole.
10. A fuel injector mounting arrangement as set forth in claim 6 wherein said head, said sleeve and said ferrule each have oppositely disposed mounting surfaces on their outer peripheries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851967.0A CN113685297B (en) | 2021-07-27 | 2021-07-27 | Fuel injector mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851967.0A CN113685297B (en) | 2021-07-27 | 2021-07-27 | Fuel injector mounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113685297A true CN113685297A (en) | 2021-11-23 |
| CN113685297B CN113685297B (en) | 2022-11-08 |
Family
ID=78578017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110851967.0A Active CN113685297B (en) | 2021-07-27 | 2021-07-27 | Fuel injector mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113685297B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080302336A1 (en) * | 2005-03-03 | 2008-12-11 | Thomas Fuerst | Fuel Injection Valve |
| JP2009275692A (en) * | 2008-03-28 | 2009-11-26 | Denso Corp | Fuel pressure sensor mounting structure, fuel pressure detection system, fuel injection device, pressure detection device used for it, and pressure-accumulation type fuel injection device system |
| CN203223324U (en) * | 2013-04-24 | 2013-10-02 | 上海柴油机股份有限公司 | Diesel engine fuel oil injector and high-pressure fuel oil inlet pipe connecting device |
| CN207583805U (en) * | 2017-12-05 | 2018-07-06 | 广西玉柴机器股份有限公司 | Fuel injector pipe nut |
| US10995720B1 (en) * | 2020-07-29 | 2021-05-04 | Delphi Technologies Ip Limited | Fuel system having a connection between a fuel injector and a fuel distribution conduit |
-
2021
- 2021-07-27 CN CN202110851967.0A patent/CN113685297B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080302336A1 (en) * | 2005-03-03 | 2008-12-11 | Thomas Fuerst | Fuel Injection Valve |
| JP2009275692A (en) * | 2008-03-28 | 2009-11-26 | Denso Corp | Fuel pressure sensor mounting structure, fuel pressure detection system, fuel injection device, pressure detection device used for it, and pressure-accumulation type fuel injection device system |
| CN203223324U (en) * | 2013-04-24 | 2013-10-02 | 上海柴油机股份有限公司 | Diesel engine fuel oil injector and high-pressure fuel oil inlet pipe connecting device |
| CN207583805U (en) * | 2017-12-05 | 2018-07-06 | 广西玉柴机器股份有限公司 | Fuel injector pipe nut |
| US10995720B1 (en) * | 2020-07-29 | 2021-05-04 | Delphi Technologies Ip Limited | Fuel system having a connection between a fuel injector and a fuel distribution conduit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113685297B (en) | 2022-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104454275B (en) | A kind of synchronous fuel feeding of high pressure common rail injector on-line checking and pressing device and its application method | |
| JP6902280B2 (en) | How to change the conventional direct injection device | |
| CN113685297B (en) | Fuel injector mounting device | |
| CN111336048A (en) | Fuel injector for realizing diesel/natural gas dual-fuel injection | |
| CN101275525B (en) | Gasoline engine high pressure oil rail | |
| CN111365150A (en) | Motorcycle electronic injection air intake manifold | |
| CN104149055A (en) | Installation tool for fuel injectors of four-valve engine | |
| CN110848064B (en) | Device and method for testing oil injection condition of oil injection nozzle in generator set target test | |
| CN203441659U (en) | Oil injector assembly embedded into cylinder cover of diesel engine and used for injecting and returning oil | |
| CN205669449U (en) | A kind of fuel dispensing tube assembly structure being applicable to TGDI electromotor high injection pressure | |
| CN107421747A (en) | It is a kind of for the top cover for the CONSTANT VOLUME MODEL COMBUSTION CHAMBER for sealing and heating | |
| GB2310891A (en) | Fuel feed connection | |
| CN211038879U (en) | Fuel nozzle for low-speed diesel engine | |
| CN209100820U (en) | A kind of high-pressure quick joint for oil pipe | |
| CN217632747U (en) | Oil sprayer atomization detection device | |
| CN220748439U (en) | Ignition mechanism for multi-combustion mode research of optical engine | |
| CN211474316U (en) | Device for measuring oil injection rule of each hole of oil injector | |
| CN217440199U (en) | Ultrahigh pressure test tool for high-pressure oil pipe assembly of marine diesel engine | |
| CN218093761U (en) | Anti-loosening structure for threaded connection | |
| CN102384463B (en) | High-pressure and high-temperature resistant sealing device of after-burning super-critical pressure steam-injecting generator combustion chamber | |
| CN217930811U (en) | Nozzle target practice test tool | |
| CN219570187U (en) | Piston cooling nozzle | |
| CN202149480U (en) | High temperature and pressure resisting sealing device for reheating combustion chamber of supercritical pressure steam injection generator | |
| CN117345497A (en) | Ignition mechanism for multi-combustion mode research of optical engine | |
| CN214007290U (en) | Fuel injection nozzle assembly and engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |