CN111058985B - Measuring device for dual fuel injector - Google Patents
Measuring device for dual fuel injector Download PDFInfo
- Publication number
- CN111058985B CN111058985B CN202010048007.6A CN202010048007A CN111058985B CN 111058985 B CN111058985 B CN 111058985B CN 202010048007 A CN202010048007 A CN 202010048007A CN 111058985 B CN111058985 B CN 111058985B
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- Prior art keywords
- fuel
- block
- dual
- connecting rod
- fuel injector
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- 239000000446 fuel Substances 0.000 title claims abstract description 183
- 230000009977 dual effect Effects 0.000 title claims description 24
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 238000002347 injection Methods 0.000 claims abstract description 40
- 239000007924 injection Substances 0.000 claims abstract description 40
- 230000007704 transition Effects 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims description 27
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 230000006872 improvement Effects 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000002283 diesel fuel Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyoxymethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
-
- 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
- F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
- F02M43/04—Injectors peculiar thereto
-
- 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
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
- F02M65/001—Measuring fuel delivery of a fuel injector
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention belongs to the technical field of measuring devices of internal combustion engine injectors, and relates to a measuring device for a dual-fuel injector, which comprises a transition block, wherein the upper part of the transition block is in sealing connection with a connecting rod installation block through a sealing device, the bottom surface of the transition block is fixedly connected with a supporting block, and the dual-fuel injector is installed on the connecting rod installation block; the dual-fuel injector is provided with a first fuel inlet, the injection part of the dual-fuel injector extends into the vertical inner hole of the transition block, the injection part of the dual-fuel injector is uniformly distributed with first fuel nozzles in a circumferential shape, and the transition block is provided with a first fuel outlet communicated with the first fuel nozzles. The device is convenient to install, can independently measure the injection quantity and the injection rule of two fuels, and realizes the performance measurement function of the dual-fuel injection product.
Description
Technical Field
The invention belongs to the technical field of measuring devices of injectors of internal combustion engines, and relates to a measuring device for a dual-fuel injector.
Background
Along with the adjustment of national energy structures and the improvement of emission requirements, the diesel oil is used as a single fuel in-cylinder direct injection technology, the combustion efficiency of the internal combustion engine is lower, the traditional internal combustion engine using gasoline and diesel oil as combustion media is gradually reduced, and natural gas is rich in national and global resources and can be gradually used as a substitute fuel of the diesel oil to start to be applied to the automobile market.
The internal combustion engine of the dual-fuel system is characterized in that the second fuel (diesel oil) is injected in advance and combusted to improve the temperature in the cylinder, and then the first fuel (natural gas) is injected to perform combustion work, so that the combustion efficiency can be improved, the oil consumption can be reduced, harmful emissions can be reduced, and the technical scheme of the internal combustion engine is cleaner and more economical.
In order to detect the performance of the dual fuel injector product, a set of measuring devices is designed so as to collect and detect the injected first fuel and second fuel separately, and ensure the accurate performance of various calibration tests.
Disclosure of Invention
The invention aims at the problems and provides a measuring device for a dual-fuel injector, which is convenient to install, can independently measure the injection quantity and the injection rule of two fuels, and realizes the performance measuring function of a dual-fuel injection product.
According to the technical scheme of the invention: a measurement device for a dual fuel injector, characterized by: the dual-fuel injector comprises a transition block, wherein the upper part of the transition block is in sealing connection with a connecting rod installation block through a sealing device, the bottom surface of the transition block is fixedly connected with a supporting block, and a dual-fuel injector is installed on the connecting rod installation block;
the dual-fuel injector is provided with a first fuel inlet, an injection part of the dual-fuel injector extends into a vertical inner hole of the transition block, first fuel nozzles are uniformly distributed on the injection part of the dual-fuel injector in a circumferential shape, and the transition block is provided with a first fuel outlet communicated with the first fuel nozzles;
The connecting rod installation block is also provided with a second fuel inlet connecting rod and a second fuel outlet connecting rod, wherein an inlet channel arranged on the second fuel inlet connecting rod is communicated with a second fuel inlet on the dual-fuel injector, an outlet channel arranged on the second fuel outlet connecting rod is communicated with a corresponding outlet on the dual-fuel injector, and a second fuel nozzle is arranged on the lower end face of the injection part of the dual-fuel injector;
The second fuel nozzle is pressed on the isolation gasket, the isolation gasket is supported on the upper end surface of the adapter, and the second fuel nozzle is communicated with the inner hole on the isolation gasket and the inner hole on the adapter;
And a pressure sensor is arranged on the transition block, and the bottom surface of the supporting block is connected with a single-time ejector.
As a further improvement of the invention, the sealing device comprises a sealing ring and a sealing block, wherein the lower part of the connecting rod installation block is provided with a containing cavity, the upper end surface of the transition block is provided with an annular cylinder part extending vertically upwards, the annular cylinder part is arranged in the containing cavity in a matching way, and the outer surface of the annular cylinder part is attached to the inner wall of the containing cavity;
the sealing block is arranged in the annular cylinder body, the outer conical surface of the injection part of the dual-fuel injector is tightly pressed on the inner conical surface of the sealing block, and the lower boss of the sealing ring is arranged in the annular cylinder body and tightly pressed on the upper end surface of the sealing block.
As a further development of the invention, the transition block is fixedly connected to the support block by means of a set screw.
As a further improvement of the invention, the upper end surface of the supporting block is fastened and connected with a supporting column, the supporting column penetrates out of the connecting rod installation block and extends upwards, the upper part of the supporting column is connected with a connector body pressing plate, and the connector body pressing plate is fastened above the connecting rod installation block through a hexagonal flange surface nut lock.
As a further improvement of the invention, the connecting rod mounting block is provided with a locking screw which locks and fixes the support column.
As a further improvement of the invention, a first O-shaped ring is arranged between the inner wall of the sealing ring and the surface of the injection part of the dual-fuel injector, a second O-shaped ring is arranged between the sealing ring and the sealing block, and a fifth O-shaped ring is arranged between the bottom surface of the sealing block and the transition block.
As a further improvement of the invention, a third O-shaped ring is arranged between the adapter and the single-shot jet instrument, and a fourth O-shaped ring is arranged between the adapter and the transition block.
As a further improvement of the invention, the dual fuel injector is provided with two solenoid valves to control the injection of the first fuel alternating with the injection of the second fuel.
As a further improvement of the invention, the second fuel outlet connecting rod is fastened on the connecting rod mounting block through a second cushion block and a second pressing plate, the second fuel outlet connecting rod is fastened on the connecting rod mounting block through a first pressing plate and a first cushion block, a spherical bearing group is further arranged between the first cushion block and the connecting rod mounting block, and the second fuel outlet connecting rod penetrates through the spherical bearing group.
The invention has the technical effects that: when the product of the invention works, two fuels can be respectively sealed and independently tested, and the product is flexible, variable and easy to operate.
The dual-fuel injector is novel, compact and reasonable in structure, the first fuel injected by the dual-fuel injector is stored in the sealing cavity formed by the outside of the isolation gasket, the sealing block and the transition block, and the leakage of the first fuel to the outside or the second fuel is prevented through the conical surface sealing of the nozzle valve body and the sealing block of the dual-fuel injector and the sealing of the isolation gasket and the fifth O-shaped ring; in order to better ensure the sealing of the first fuel, a sealing ring, a first O-shaped ring and a second O-shaped ring are additionally arranged, the second fuel injected by the dual-fuel injector flows into the adapter through an inner hole of the isolation gasket, so that the second fuel enters the single-injection instrument to detect the injection quantity and the injection rule, the second fuel is prevented from leaking to the outside or the first fuel through the sealing of the isolation gasket, the third O-shaped ring and the fourth O-shaped ring, the thickness of the isolation gasket is graded, the isolation gasket can be selected as required, the whole mechanism is flexible, variable, safe and reliable.
The second fuel inflow and outflow structure of the dual-fuel injector is novel and easy to adjust, and the second fuel inlet connecting rod and the second fuel outlet connecting rod of the dual-fuel injector are installed in a conical surface sealing mode, so that the dual-fuel injector is reliable in installation and free of leakage; be equipped with spherical bearing group for the second fuel outlet connecting rod can adjust from top to bottom for prevent that product installation size or clamp force from causing the oil gallery position to have the oscilaltion when size deviation, influence the problem of installation use.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a cross-sectional view taken along A-A in fig. 1.
Fig. 3 is a sectional view taken along the direction B-B in fig. 1.
Fig. 4 is a perspective view of the present invention.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
In fig. 1-4, the device comprises a connecting rod mounting block 1, a containing cavity 1-1, a sealing ring 2, a first O-shaped ring 3, a second O-shaped ring 4, a sealing block 5, a set screw 6, a support column 7, a transition block 8, an annular cylinder body 8-1, a supporting block 9, an adapter 10, a sealing gasket 11, a third O-shaped ring 12, a fourth O-shaped ring 13, an isolation gasket 14, a fifth O-shaped ring 15, a locking screw 16, a device body pressing plate 17, a hexagonal flange face nut 18, a second fuel outlet connecting rod 19, a spherical bearing group 20, a first pressing plate 21, a first cushion block 22, a pressure sensor switching tool 23, a second fuel inlet connecting rod 24, a second pressing plate 25, a second cushion block 26, a screw 27, a first fuel inlet 28, a first fuel outlet 29, a dual fuel injector 30, a nozzle part 30-1, a pressure sensor 31, a single-shot jet instrument 32 and the like.
As shown in fig. 1-3, the invention relates to a measuring device for a dual-fuel injector, which comprises a transition block 8, wherein the upper part of the transition block 8 is in sealing connection with a connecting rod installation block 1 through a sealing device, the bottom surface of the transition block 8 is fixedly connected with a supporting block 9, and the dual-fuel injector 30 is installed on the connecting rod installation block 1.
The dual fuel injector 30 is provided with a first fuel inlet 28, an injection part of the dual fuel injector 30 extends into a vertical inner hole of the transition block 8, first fuel nozzles are uniformly distributed on the injection part of the dual fuel injector 30 in a circumferential shape, and the transition block 8 is provided with a first fuel outlet 29 communicated with the first fuel nozzles.
The connecting rod mounting block 1 is also provided with a second fuel inlet connecting rod 24 and a second fuel outlet connecting rod 19, wherein an inlet channel arranged on the second fuel inlet connecting rod 24 is communicated with a second fuel inlet on the dual-fuel injector 30, an outlet channel arranged on the second fuel outlet connecting rod 19 is communicated with a corresponding outlet on the dual-fuel injector 30, and a second fuel nozzle is arranged on the lower end face of the injection part of the dual-fuel injector 30.
The second fuel nozzle is pressed on the isolation gasket 14, the isolation gasket 14 is supported on the upper end surface of the adapter 10, and the second fuel nozzle is communicated with the inner hole on the isolation gasket 14 and the inner hole on the adapter 10; the transition block 8 is provided with a pressure sensor 31, and the bottom surface of the supporting block 9 is connected with a single-shot jet instrument 32.
The sealing device comprises a sealing ring 2 and a sealing block 5, wherein the lower part of the connecting rod installation block 1 is provided with a containing cavity 1-1, the upper end surface of the transition block 8 is provided with an annular barrel part 8-1 extending vertically upwards, the annular barrel part 8-1 is matched with the containing cavity 1-1, and the outer surface of the annular barrel part 8-1 is attached to the inner wall of the containing cavity 1-1.
The sealing block 5 is arranged in the annular cylinder 8-1, the outer conical surface of the nozzle valve body of the dual-fuel injector 30 is pressed on the inner conical surface of the sealing block 5, and the lower boss of the sealing ring 2 is arranged in the annular cylinder 8-1 and is pressed on the upper end surface of the sealing block 5.
The transition block 8 is fixedly connected with the supporting block 9 through the set screw 6, the upper end face of the supporting block 9 is fixedly connected with the supporting column 7, the supporting column 7 penetrates out of the connecting rod installation block 1 and extends upwards, the upper portion of the supporting column 7 is connected with the body pressing plate 17, and the body pressing plate 17 is locked and fixed above the connecting rod installation block 1 through the hexagonal flange face nut 18.
The connecting rod installation block 1 is provided with a locking screw 16, the locking screw 16 locks and fixes the support column 7, a first O-shaped ring 3 is arranged between the inner wall of the sealing ring 2 and the surface of the injection part of the dual-fuel injector 30, a second O-shaped ring 4 is arranged between the sealing ring 2 and the sealing block 5, and a fifth O-shaped ring 15 is arranged between the bottom surface of the sealing block 5 and the transition block 8.
A third O-ring 12 is arranged between the adapter 10 and the single injector 32, a fourth O-ring 13 is arranged between the adapter 10 and the transition block 8, and the dual fuel injector 30 is provided with two solenoid valves to control the injection of the first fuel to alternate with the injection of the second fuel.
The second fuel inlet connecting rod 24 is fastened on the connecting rod installation block 1 through a second cushion block 26 and a second pressing plate 25, the second fuel outlet connecting rod 19 is fastened on the connecting rod installation block 1 through a first pressing plate 21 and a first cushion block 22, a spherical bearing group 20 is further arranged between the first cushion block 22 and the connecting rod installation block 1, and the second fuel outlet connecting rod 19 penetrates through the spherical bearing group 20.
The dual fuel injector 30 in the invention is a novel dual fuel in-cylinder direct injection injector disclosed in China patent No. 2018111094903, and the single injection instrument 32 is a mature product in the prior art.
As shown in fig. 1 to 4, in operation, the second fuel enters the dual fuel injector 30 through the second fuel inlet connecting rod 24, flows out from the second fuel outlet connecting rod 19, flows in from the first fuel inlet 28, and flows out from the first fuel outlet 29 after injection; both the first fuel and the second fuel are injected from the nozzle of the dual fuel injector 30, as disclosed in the above-described embodiments: the nozzle portion is provided with a first fuel nozzle from which the first fuel is injected and a second fuel nozzle from which the second fuel is injected. The injected second fuel is connected into the single injector 32 through the isolation gasket 14 and the adapter 10 for measurement, and the injected first fuel and the injected second fuel are prevented from being mixed or leaked through the sealing of the isolation gasket 14 and the third O-ring 12 and the fourth O-ring 13 on the adapter 10; after the first fuel is injected, the first fuel is stored in a sealing cavity formed by the outer part of the isolation gasket 14, the sealing block 5 and the transition block 8, and the first fuel and the second fuel are prevented from being mixed or leaked through conical surface sealing of the sealing block 5 and the product nozzle valve body and sealing of the fifth O-shaped ring 15 and the isolation gasket 14, and the sealing ring 2, the first O-shaped ring 3 and the second O-shaped ring 4 are additionally arranged above the sealing block 5 to prevent the first fuel from being leaked; the first fuel enters the gas flowmeter from the first fuel outlet 29 on the transition block 8 for detecting the gas flow, and meanwhile, the transition block 8 is provided with a high-response gas pressure sensor 31 for detecting the injection rule of the first fuel, so that the simultaneous measurement of the injection amounts and the injection rules of the first fuel and the second fuel is realized; the second fuel inlet connecting rod 24 is compressed under the action of the second pressing plate 25, the second pressing block 26 and the screw 27, and the second fuel outlet connecting rod 19 is compressed under the action of the second pressing plate 25, the second pressing block 22 and the screw 27, so that the second fuel outlet connecting rod 19 can be adjusted up and down under the action of the spherical bearing group 20, and the installation is convenient.
The invention has novel, compact and reasonable structure, the isolation gasket 14 plays a role in collecting the second fuel and isolating the first fuel, the thickness of the isolation gasket is divided into 4 grades, and the isolation gasket is selected according to the requirement, thereby avoiding the problem that the second fuel cannot be accurately injected into the inner hole of the isolation gasket 14 due to the height change of the position of the spray hole caused by various reasons; once the isolation gasket 14 is damaged in the process, the isolation gasket is only needed to be replaced, so that the isolation gasket is simple and convenient; the dual fuel injector and the sealing block are sealed in a conical surface sealing mode, and as the nozzle part of the dual fuel injector is a thin-wall piece, the sealing block is made of two materials, namely polyoxymethylene and brass, in order to protect products from being deformed by pressure; in order to better ensure that natural gas does not leak, a sealing ring is additionally arranged above the sealing block, and an O-shaped ring is adopted for sealing, so that the two-stage sealing mode is safer and more reliable.
The invention can detect the injection quantity and the injection rule of two fuels at the same time, wherein the first fuel is gas, the second fuel is liquid, the first fuel and the second fuel are isolated, and the injection quantity and the injection rule are independently measured.
Claims (7)
1. A measurement device for a dual fuel injector, characterized by: the dual-fuel injector comprises a transition block (8), wherein the upper part of the transition block (8) is in sealing connection with a connecting rod installation block (1) through a sealing device, the bottom surface of the transition block (8) is fixedly connected with a supporting block (9), and a dual-fuel injector (30) is installed on the connecting rod installation block (1);
the dual-fuel injector (30) is provided with a first fuel inlet (28), the injection part of the dual-fuel injector (30) extends into the vertical inner hole of the transition block (8), the injection part of the dual-fuel injector (30) is uniformly provided with first fuel nozzles in a circumferential shape, and the transition block (8) is provided with a first fuel outlet (29) communicated with the first fuel nozzles;
The connecting rod mounting block (1) is also provided with a second fuel inlet connecting rod (24) and a second fuel outlet connecting rod (19), wherein an inlet channel arranged on the second fuel inlet connecting rod (24) is communicated with a second fuel inlet on the dual-fuel injector (30), an outlet channel arranged on the second fuel outlet connecting rod (19) is communicated with a corresponding outlet on the dual-fuel injector (30), and a second fuel nozzle is arranged at the lower end face of the injection part of the dual-fuel injector (30);
the second fuel nozzle is pressed on the isolation gasket (14), the isolation gasket (14) is supported on the upper end surface of the adapter (10), and the second fuel nozzle is communicated with the inner hole on the isolation gasket (14) and the inner hole on the adapter (10);
A pressure sensor (31) is arranged on the transition block (8), and the bottom surface of the supporting block (9) is connected with a single-time ejector (32);
The sealing device comprises a sealing ring (2) and a sealing block (5), wherein the lower part of the connecting rod installation block (1) is provided with a containing cavity (1-1), the upper end surface of the transition block (8) is provided with an annular cylinder part (8-1) extending vertically upwards, the annular cylinder part (8-1) is arranged in the containing cavity (1-1) in a matching way, and the outer surface of the annular cylinder part (8-1) is attached to the inner wall of the containing cavity (1-1);
The sealing block (5) is arranged in the annular cylinder part (8-1), the outer conical surface of the nozzle assembly of the dual-fuel injector (30) is tightly pressed on the inner conical surface of the sealing block (5), and the lower boss of the sealing ring (2) is arranged in the annular cylinder part (8-1) and tightly pressed on the upper end surface of the sealing block (5);
The second fuel inlet connecting rod (24) is fastened on the connecting rod installation block (1) through a second cushion block (26) and a second pressing plate (25), the second fuel outlet connecting rod (19) is fastened on the connecting rod installation block (1) through a first pressing plate (21) and a first cushion block (22), a spherical bearing group (20) is further arranged between the first cushion block (22) and the connecting rod installation block (1), and the second fuel outlet connecting rod (19) penetrates through the spherical bearing group (20).
2. The measurement device for a dual fuel injector of claim 1, wherein: the transition block (8) is fixedly connected with the supporting block (9) through the set screw (6).
3. The measurement device for a dual fuel injector of claim 1, wherein: the upper end face of the supporting block (9) is fixedly connected with a supporting column (7), the supporting column (7) penetrates out of the connecting rod installation block (1) and extends upwards, the upper portion of the supporting column (7) is connected with a connector body pressing plate (17), and the connector body pressing plate (17) is locked and fixed above the connecting rod installation block (1) through a hexagonal flange face nut (18).
4. A measurement device for a dual fuel injector as set forth in claim 3 wherein: the connecting rod installation block (1) is provided with a locking screw (16), and the locking screw (16) locks and fixes the support column (7).
5. The measurement device for a dual fuel injector of claim 1, wherein: a first O-shaped ring (3) is arranged between the inner wall of the sealing ring (2) and the outer surface of a nozzle of the dual-fuel injector (30), a second O-shaped ring (4) is arranged between the sealing ring (2) and the sealing block (5), and a fifth O-shaped ring (15) is arranged between the bottom surface of the sealing block (5) and the transition block (8).
6. The measurement device for a dual fuel injector of claim 1, wherein: a third O-shaped ring (12) is arranged between the adapter (10) and the single-shot jet instrument (32), and a fourth O-shaped ring (13) is arranged between the adapter (10) and the transition block (8).
7. The measurement device for a dual fuel injector of claim 1, wherein: the dual fuel injector (30) is provided with two solenoid valves to control the injection of a first fuel alternating with the injection of a second fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048007.6A CN111058985B (en) | 2020-01-16 | 2020-01-16 | Measuring device for dual fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048007.6A CN111058985B (en) | 2020-01-16 | 2020-01-16 | Measuring device for dual fuel injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111058985A CN111058985A (en) | 2020-04-24 |
| CN111058985B true CN111058985B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010048007.6A Active CN111058985B (en) | 2020-01-16 | 2020-01-16 | Measuring device for dual fuel injector |
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| CN (1) | CN111058985B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US12006900B1 (en) * | 2023-07-28 | 2024-06-11 | Caterpillar Inc. | System and method for measuring fluid delivery from a multi-fluid injector |
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| CN103912422A (en) * | 2013-01-02 | 2014-07-09 | 卡特彼勒公司 | Dual Fuel Common Rail System And Method Of Transitioning From Diesel Only To Dual Fuel Method Of Operation |
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| CN108064322A (en) * | 2015-01-23 | 2018-05-22 | 保罗·约翰·威廉·玛丽·纽诺茜 | Injector assembly and its application method |
| CN109715918A (en) * | 2016-09-21 | 2019-05-03 | 德尔福知识产权有限公司 | Dual fuel injector |
| CN211573673U (en) * | 2020-01-16 | 2020-09-25 | 无锡威孚高科技集团股份有限公司 | Measuring device for a dual fuel injector |
-
2020
- 2020-01-16 CN CN202010048007.6A patent/CN111058985B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912422A (en) * | 2013-01-02 | 2014-07-09 | 卡特彼勒公司 | Dual Fuel Common Rail System And Method Of Transitioning From Diesel Only To Dual Fuel Method Of Operation |
| EP3040550A1 (en) * | 2015-01-02 | 2016-07-06 | GE Jenbacher GmbH & Co OG | Fuel injector |
| CN108064322A (en) * | 2015-01-23 | 2018-05-22 | 保罗·约翰·威廉·玛丽·纽诺茜 | Injector assembly and its application method |
| WO2016168875A1 (en) * | 2015-04-21 | 2016-10-27 | Ge Jenbacher Gmbh & Co Og | Dual-fuel internal combustion engine |
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| CN211573673U (en) * | 2020-01-16 | 2020-09-25 | 无锡威孚高科技集团股份有限公司 | Measuring device for a dual fuel injector |
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| CN111058985A (en) | 2020-04-24 |
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