CN101403334A - Combustion method and apparatus for vehicle hydrogen fuel internal combustion engine - Google Patents
Combustion method and apparatus for vehicle hydrogen fuel internal combustion engine Download PDFInfo
- Publication number
- CN101403334A CN101403334A CNA2007101243068A CN200710124306A CN101403334A CN 101403334 A CN101403334 A CN 101403334A CN A2007101243068 A CNA2007101243068 A CN A2007101243068A CN 200710124306 A CN200710124306 A CN 200710124306A CN 101403334 A CN101403334 A CN 101403334A
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- Prior art keywords
- hydrogen
- combustion
- high pressure
- inlet channel
- pressure
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- 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.)
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 77
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 77
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 25
- 239000000446 fuel Substances 0.000 title claims abstract description 18
- 238000009841 combustion method Methods 0.000 title abstract description 4
- 239000007789 gas Substances 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 28
- 238000010304 firing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 abstract description 7
- 238000005496 tempering Methods 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
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Classifications
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- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The invention relates to a combustion method and a device of an internal combustion engine of a car with hydrogen fuel. The device comprises a combustion chamber, a high-pressure hydrogen-spraying device, a hydrogen inlet channel, a spark plug, an inlet channel, an exhaust passage and a piston; wherein, the spark plug, the inlet channel and the exhaust passage are all connected with the cylinder body of the combustion chamber, the high-pressure hydrogen-spraying device is connected with the hydrogen inlet channel, the outlet of the hydrogen inlet channel is connected with cylinder body of the combustion chamber directly. The high-pressure hydrogen-spraying device comprises a pressure stabilizing chamber, a hydrogen filter, a pressure limiting valve, a hydrogen pump and a hydrogen storing mechanism which are connected in sequence. As the manner that the hydrogen is directly spayed into the cylinder, the spraying amount is accurately controlled by accurately controlling the time and the pulse width of the spraying; meanwhile, comparatively high spraying pressure causes the hydrogen and the air to be uniformly mixed so as to promote the complete combustion of the mixed gas and bring the advantages of high power output and high response speed, thus solving the problem that the dynamic performance and the economical efficiency of the engine are influenced by that the response speed and combustion control of fuel supply are limited in the existing combustion method and the device of the internal combustion engine of the car with hydrogen fuel.
Description
Technical field
The present invention relates to vehicle hydrogen fuel combustion in IC engine method and apparatus.
Background technique
Existing hydrogen fuel internal-combustion engine adopts gas-duct jetting, the outer premix of cylinder more, hydrogen sprays in each cylinder intake duct, hydrogen with enter cylinder again after air mixes in air flue, this has limited the speed of response and the burning control of fuel supply to a certain extent, thereby has limited the lifting of engine power performance and Economy.In addition, in traditional intake port injection motor, remaining hydrogen can cause the generation of abnormal combustion phenomenon such as tempering in the air flue; And hydrogen in the cylinder and air gas mixture trend that pre-ignition and pinking are arranged in compression stroke, not only influence the efficient of motor, also can shorten engine life greatly
Summary of the invention
The invention provides a kind of vehicle hydrogen fuel combustion in IC engine method and apparatus, influenced engine power performance and Economy because of the speed of response of fuel supply and burning control are restricted to solve existing vehicle hydrogen fuel combustion in IC engine method and apparatus.
In order to solve above technical problem, the present invention takes following technological scheme:
A kind of vehicle hydrogen fuel combustion in IC engine method, it is characterized in that, may further comprise the steps: (one), by utilizing high pressure spray hydrogen device directly at the in-cylinder injection high pressure hydrogen at intake stroke with the direct-connected hydrogen inlet port of cylinder body, be engraved in during spray hydrogen compression top center preceding 260 ° to the compression top center between 90 °; (2), the hydrogen that sprays into evenly mixes in cylinder with the air that sprays into by intake duct, forms mixed gas in the operating mode in a big way at motor; (3) plug ignition makes mixture combustion.
A kind of device of vehicle hydrogen fuel combustion in IC engine, comprise firing chamber, high pressure spray hydrogen device, hydrogen inlet port, spark plug, intake duct, air outlet flue and piston, spark plug, intake duct, air outlet flue all are connected with the cylinder body of firing chamber, high pressure spray hydrogen device is connected with hydrogen inlet port, it is characterized in that the outlet of described hydrogen inlet port directly is connected with the cylinder body of firing chamber.
Described high pressure spray hydrogen device comprises pressure stabilizing cavity, hydrogen filter cleaner, pressure-limit valve, hydrogen pump and the hydrogen storing mechanism that connects in regular turn.
After having adopted technique scheme, spray hydrogen owing to adopted directly to the cylinder the inside, by accurate control, thereby accurately control jet amount to the jet moment and jet pulsewidth; Higher jet pressure makes hydrogen and even air mix simultaneously, promote mixed gas perfect combustion, bring the advantage of the output of high power, high response speed, having solved existing vehicle hydrogen fuel combustion in IC engine method and apparatus has influenced engine power performance and Economy because of the speed of response of fuel supply and burning control are restricted.And can significantly reduce tempering, pre-ignition and pinking and manifest, prolong engine life.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of device of vehicle hydrogen fuel combustion in IC engine, comprise firing chamber 1, high pressure spray hydrogen device, hydrogen inlet port 2, spark plug 3, intake duct 4, air outlet flue 5 and piston 6, spark plug 3, intake duct 4, air outlet flue equal 5 are connected with the cylinder body of firing chamber 1, high pressure spray hydrogen device is connected with hydrogen inlet port 2, and the outlet of hydrogen inlet port 2 directly is connected with the cylinder body of firing chamber 1.High pressure spray hydrogen device comprises pressure stabilizing cavity 7, hydrogen filter cleaner 8, pressure-limit valve 9, hydrogen pump 10 and the hydrogen storing mechanism 11 that connects in regular turn.Hydrogen inlet port 2 is installed on intake duct 4 belows, and spray angle is 50 °-90 °, and the spray bundle axis of oil sprayer tilts 10 °-30 ° with respect to piston head.To adapt to the relative geometrical relation with the firing chamber.
During use, combustion method comprises and may further comprise the steps: (one), by utilizing high pressure spray hydrogen device directly at the in-cylinder injection high pressure hydrogen at intake stroke with the direct-connected hydrogen inlet port of cylinder body, be engraved in during spray hydrogen compression top center preceding 260 ° to the compression top center between 90 °; (2), the hydrogen that sprays into evenly mixes in cylinder with the air that sprays into by intake duct, form excess air coefficient in the operating mode in a big way at motor and be approximately 1 mixed gas; (3) plug ignition makes mixture combustion, is ignited by plug ignition when the Piston Compression mixed gas is near top dead center, and then flame front advances rapidly, thereby finishes whole combustion process.The emphasis of spray hydrogen control is with higher jet pressure and suitable angle, so that the hydrogen bundle runs through the firing chamber, reaches mixed uniformly purpose.IO Intake Valve Opens phase angle scope is 340 °-385 °, and lasting angle is 200 °, and exhauxt valve opens phase angle scope is 160 °-210 °, and lasting angle is 180 °.Regulate air inlet by phase discriminator, make air inlet form eddy current, driving hydrogen, to form excess air coefficient in cylinder be 1 even mixed gas.The spray hydrogen endurance promptly sprays the hydrogen amount and is calculated according to air inflow by ECU.Spraying hydrogen in addition must finish before inlet stream weakens.The present invention is specially adapted to the hydrogen fuel motor, and it is remarkable to use advantage, is summarized as follows: the compression ratio height; Air distribution, flame propagation are good; Big, the good economy performance of power output; The charging efficiency height; The trend that poor combustion phenomenons such as pinking, pre-ignition, tempering take place is little.
Claims (3)
1, a kind of vehicle hydrogen fuel combustion in IC engine method, it is characterized in that, may further comprise the steps: (one), by utilizing high pressure spray hydrogen device directly at the in-cylinder injection high pressure hydrogen at intake stroke with the direct-connected hydrogen inlet port of cylinder body, be engraved in during spray hydrogen compression top center preceding 260 ° to the compression top center between 90 °; (2), the hydrogen that sprays into evenly mixes in cylinder with the air that sprays into by intake duct, forms mixed gas in the operating mode in a big way at motor; (3) plug ignition makes mixture combustion.
2, realize the device of claim 1 method, comprise firing chamber, high pressure spray hydrogen device, hydrogen inlet port, spark plug, intake duct, air outlet flue and piston, spark plug, intake duct, air outlet flue all are connected with the cylinder body of firing chamber, high pressure spray hydrogen device is connected with hydrogen inlet port, it is characterized in that the outlet of described hydrogen inlet port directly is connected with the cylinder body of firing chamber.
3, device as claimed in claim 2 is characterized in that, described high pressure spray hydrogen device comprises pressure stabilizing cavity, hydrogen filter cleaner, pressure-limit valve, hydrogen pump and the hydrogen storing mechanism that connects in regular turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101243068A CN101403334A (en) | 2007-10-30 | 2007-10-30 | Combustion method and apparatus for vehicle hydrogen fuel internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101243068A CN101403334A (en) | 2007-10-30 | 2007-10-30 | Combustion method and apparatus for vehicle hydrogen fuel internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101403334A true CN101403334A (en) | 2009-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101243068A Pending CN101403334A (en) | 2007-10-30 | 2007-10-30 | Combustion method and apparatus for vehicle hydrogen fuel internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101403334A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410101A (en) * | 2011-12-05 | 2012-04-11 | 北京理工大学 | Starting ignition control method for hydrogen internal combustion engine |
| CN114215639A (en) * | 2021-12-23 | 2022-03-22 | 山东赛马力发电设备有限公司 | Hydrogen fuel engine structure |
| CN116201630A (en) * | 2023-02-27 | 2023-06-02 | 重庆长安汽车股份有限公司 | Hydrogen engine combustion system and combustion mode control method |
| CN117722286A (en) * | 2024-02-18 | 2024-03-19 | 潍柴动力股份有限公司 | Hydrogen fuel engine and tumble flow adjusting method thereof |
-
2007
- 2007-10-30 CN CNA2007101243068A patent/CN101403334A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410101A (en) * | 2011-12-05 | 2012-04-11 | 北京理工大学 | Starting ignition control method for hydrogen internal combustion engine |
| CN114215639A (en) * | 2021-12-23 | 2022-03-22 | 山东赛马力发电设备有限公司 | Hydrogen fuel engine structure |
| CN114215639B (en) * | 2021-12-23 | 2023-03-17 | 江西新节氢能源科技有限公司 | Hydrogen fuel engine structure |
| CN116201630A (en) * | 2023-02-27 | 2023-06-02 | 重庆长安汽车股份有限公司 | Hydrogen engine combustion system and combustion mode control method |
| CN116201630B (en) * | 2023-02-27 | 2024-04-16 | 重庆长安汽车股份有限公司 | Hydrogen engine combustion system and combustion mode control method |
| CN117722286A (en) * | 2024-02-18 | 2024-03-19 | 潍柴动力股份有限公司 | Hydrogen fuel engine and tumble flow adjusting method thereof |
| CN117722286B (en) * | 2024-02-18 | 2024-05-17 | 潍柴动力股份有限公司 | Hydrogen fuel engine and tumble flow adjusting method thereof |
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Open date: 20090408 |