CN103114944B - Device for motor capable of mixing gas fuel with air - Google Patents
Device for motor capable of mixing gas fuel with air Download PDFInfo
- Publication number
- CN103114944B CN103114944B CN201310046346.0A CN201310046346A CN103114944B CN 103114944 B CN103114944 B CN 103114944B CN 201310046346 A CN201310046346 A CN 201310046346A CN 103114944 B CN103114944 B CN 103114944B
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- Prior art keywords
- discharge port
- mixing device
- feeding
- spray chamber
- air mixing
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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
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Abstract
The invention provides a device for a motor capable of mixing gas fuel with air. According to the device for the motor capable of mixing the gas fuel with the air, the gas fuel is uniformly sprayed through a discharging port I, a discharging port II and a discharging port III and mixed with the air at the inner side of an inner circle and at the outer side of an outer circle, and the gas fuel easily forms eddy at the outer side of the outer circle so as to be fully mixed with the air. The device for the motor capable for mixing the gas fuel with the air has the advantages of being compact in structure, small in occupied space, beneficial to arrangement of the motor and capable of enabling the gas fuel to be fully mixed with the air.
Description
Technical field
The present invention relates to a kind of engine gas and air mixing device, belong to automobile technical field.
Background technique
At present, the gaseous fuel that motor is used, all needs first outside machine, to carry out premix with air in intake manifold, and then enters burning in engine cylinder-body.For gaseous fuel is fully mixed with air, and ensure the uniformity of each cylinder air inlet, conventionally need to increase length and the capacity of intake manifold as far as possible, but due to the restriction in engine arrangement space, the length that intake manifold can increase and finite capacity, the existing deficiency of prior art that Here it is.
Summary of the invention
The technical problem to be solved in the present invention, is exactly for the existing deficiency of prior art, and a kind of engine gas and air mixing device of compact structure are provided, and this device can ensure that gaseous fuel fully mixes with air.
This programme is achieved by the following technical measures: this engine gas and air mixing device comprise housing, in described housing, be penetrated with gas-entered passageway, fuel nozzle is installed in gas-entered passageway, and the upper end of fuel nozzle is connected with fuel-supply pipe by cover plate; Wherein, fuel nozzle comprises transfer chamber and spray chamber, both are connected by feeding-passage, transfer chamber is the ︻ shape of hollow, its arc tips and spray chamber form fit, spray chamber is the hollow ring cylindrical shell parallel with gas-entered passageway, is evenly provided with respectively multiple discharge port I on the inner ring of spray chamber and outer ring, and discharge port I diametric(al) along spray chamber on inner ring and outer ring is radial arrangement; On the outer ring of spray chamber, be also provided with tapping channel, on feeding-passage and tapping channel, be respectively arranged with discharge port II and discharge port III.
Arc tips in above-mentioned transfer chamber is provided with discharge port IV, crosses from the gaseous fuel of discharge port IV ejection and from the gaseous fuel of discharge port I and the ejection of discharge port II, forms eddy current, and gaseous fuel is easily fully mixed with air.
The internal diameter width of above-mentioned feeding-passage is greater than on spray chamber outer ring the width of corresponding with it material feeding mouth, and between feeding-passage and spray chamber, mineralization pressure is poor, so that gaseous fuel can enter in spray chamber with higher speed, and forms eddy current in spray chamber.
The internal diameter width of above-mentioned tapping channel is less than on spray chamber outer ring the width of corresponding with it floss hole, between spray chamber and tapping channel, mineralization pressure is poor, gaseous fuel can larger speed be entered in tapping channel, and spray from discharge port III, cross with the gaseous fuel spraying from discharge port I from the gaseous fuel of discharge port III ejection, easily form eddy current, easily make gaseous fuel fully mix with air.
The downward-sloping setting on feeding-passage of above-mentioned discharge port II, more easily makes gaseous fuel form eddy current.
Above-mentioned feeding-passage runs through transfer chamber, and is positioned on the feeding-passage sidewall of transfer chamber and is provided with through hole, a part of gaseous fuel is sprayed in transfer chamber from through hole, and spray by discharge port IV.
Between above-mentioned cover plate and transfer chamber, be provided with sealed nozzle circle, between cover plate and housing, be provided with cover plate for sealing circle, under the seal action of sealed nozzle circle and cover plate for sealing circle, can ensure that gaseous fuel can not reveal.
The beneficial effect of this programme can be learnt according to the narration to such scheme, in this engine gas and air mixing device, gaseous fuel sprays uniformly by discharge port I, discharge port II and discharge port III, and mix uniformly with the air in inner ring inner side and outside, outer ring, and gaseous fuel easily forms eddy current in outside, outer ring, so that gaseous fuel mixes with air more fully.This apparatus structure compactness, takes up room little, facilitates engine arrangement, and can make gaseous fuel fully mix with air.As can be seen here, the present invention compared with prior art, has outstanding substantive distinguishing features and significant progressive, and the beneficial effect of its enforcement is also apparent.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the specific embodiment of the invention.
Fig. 2 is the assembly structure schematic diagram of the specific embodiment of the invention.
Fig. 3 is the structural representation of fuel nozzle.
In figure, 1 is fuel-supply pipe, and 2 is cover plate, and 3 is sealed nozzle circle, 4 is cover plate for sealing circle, and 5 is fuel nozzle, and 6 is housing, and 7 is gas-entered passageway, 8 is through hole, and 9 is feeding-passage, and 10 is discharge port II, and 11 is transfer chamber, 12 is outer ring, and 13 is inner ring, and 14 is tapping channel, 15 is discharge port III, and 16 is floss hole, and 17 is discharge port I, 18 is spray chamber, and 19 is material feeding mouth, and 20 is discharge port IV.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
A kind of engine gas and air mixing device, as shown in Figure 1-Figure 3, it comprises housing 6, in described housing 6, be penetrated with gas-entered passageway 7, fuel nozzle 5 is installed in gas-entered passageway 7, the upper end of fuel nozzle 5 is connected with fuel-supply pipe 1, fuel-supply pipe 1 is fixedly mounted on housing 6 by cover plate 2, between cover plate 2 and transfer chamber 11, be provided with sealed nozzle circle 3, between cover plate 2 and housing 6, be provided with cover plate for sealing circle 4, seal by seal ring, guarantee gaseous fuel can not be revealed in course of conveying.
Wherein, fuel nozzle 5 comprises transfer chamber 11 and spray chamber 18, both are connected by feeding-passage 9, and feeding-passage 9 runs through transfer chamber 11, on one section of sidewall of feeding-passage 9 in transfer chamber 11, be provided with through hole 8, on one section of sidewall between transfer chamber 11 and spray chamber 18, be provided with discharge port II 10, and discharge port II 10 is downward-sloping setting on feeding-passage 9, the internal diameter width of feeding-passage 9 is greater than on outer ring 12 width of corresponding with it material feeding mouth 19.The ︻ shape that transfer chamber 11 is hollow, its arc tips and spray chamber 18 form fit, and this arc tips is provided with discharge port IV 20.Spray chamber 18 is the hollow ring cylindrical shell parallel with gas-entered passageway 7, is evenly provided with respectively multiple discharge port I 17 on the inner ring 13 of spray chamber 18 and outer ring 12, and discharge port I 17 is radial arrangement along the diametric(al) of spray chamber 18 on inner ring 13 and outer ring 12; On the outer ring 12 of spray chamber 18, the position relative with feeding-passage 9 is provided with tapping channel 14, is provided with discharge port III 15 on tapping channel 14, and the internal diameter width of tapping channel 14 is less than on outer ring 12 width of corresponding with it floss hole 16.
Gaseous fuel enters feeding-passage 9 by fuel-supply pipe 1, a part enters in transfer chamber 11 by through hole 8, and spray by discharge port IV 20, a part sprays by discharge port II 10, and some enters the cavity between inner ring 13 and outer ring 12 by the material feeding mouth 19 on outer ring 12.A gaseous fuel part between inner ring 13 and outer ring 12 sprays uniformly by discharge port I 17, and a part enters tapping channel 14 by floss hole 16, and discharges by discharge port III 15.
Gaseous fuel is dispersed in inner ring 13 inner sides and 12 outsides, outer ring uniformly, and mixes uniformly with the moving air in gas-entered passageway 7.The gaseous fuel that discharge port I 17, discharge port II 10 and discharge port IV 20 spray crosses and forms eddy current, and discharge port III 15 crosses and forms eddy current with the gaseous fuel that discharge port I 17 sprays, thereby gaseous fuel is mixed fully with moving air.
The present invention is not limited in above-mentioned embodiment, and variation, remodeling, interpolation or replacement that those of ordinary skill in the art make in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (8)
1. engine gas and an air mixing device, it comprises housing, it is characterized in that: in described housing, be penetrated with gas-entered passageway, fuel nozzle is installed in gas-entered passageway, the upper end of fuel nozzle is connected with fuel-supply pipe by cover plate; Wherein, fuel nozzle comprises transfer chamber and spray chamber, both are connected by feeding-passage, transfer chamber is the ︻ shape of hollow, its arc tips and spray chamber form fit, spray chamber is the hollow ring cylindrical shell parallel with gas-entered passageway, is evenly provided with respectively multiple discharge port I on the inner ring of spray chamber and outer ring, and discharge port I diametric(al) along spray chamber on inner ring and outer ring is radial arrangement; On the outer ring of spray chamber, be also provided with tapping channel, on feeding-passage and tapping channel, be respectively arranged with discharge port II and discharge port III.
2. engine gas according to claim 1 and air mixing device, is characterized in that: the arc tips in described transfer chamber is provided with discharge port IV.
3. engine gas according to claim 1 and 2 and air mixing device, is characterized in that: the internal diameter width of described feeding-passage is greater than on spray chamber outer ring the width of corresponding with it material feeding mouth.
4. engine gas according to claim 1 and 2 and air mixing device, is characterized in that: the internal diameter width of described tapping channel is less than on spray chamber outer ring the width of corresponding with it floss hole.
5. engine gas according to claim 1 and 2 and air mixing device, is characterized in that: the downward-sloping setting on feeding-passage of described discharge port II.
6. engine gas according to claim 1 and 2 and air mixing device, is characterized in that: described feeding-passage runs through transfer chamber, and is positioned on the feeding-passage sidewall of transfer chamber and is provided with through hole.
7. engine gas according to claim 1 and air mixing device, is characterized in that: between described cover plate and transfer chamber, be provided with sealed nozzle circle.
8. engine gas according to claim 7 and air mixing device, is characterized in that: between described cover plate and housing, be provided with cover plate for sealing circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046346.0A CN103114944B (en) | 2013-02-06 | 2013-02-06 | Device for motor capable of mixing gas fuel with air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046346.0A CN103114944B (en) | 2013-02-06 | 2013-02-06 | Device for motor capable of mixing gas fuel with air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103114944A CN103114944A (en) | 2013-05-22 |
| CN103114944B true CN103114944B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310046346.0A Active CN103114944B (en) | 2013-02-06 | 2013-02-06 | Device for motor capable of mixing gas fuel with air |
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| CN (1) | CN103114944B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087156A (en) * | 2018-01-17 | 2018-05-29 | 中国重汽集团济南动力有限公司 | A kind of spiral-flow type air mixer |
| CN111305989A (en) * | 2020-02-18 | 2020-06-19 | 哈尔滨工程大学 | Coaxial double-pipe gas injection device of natural gas hydrogen double-gas fuel starting electrode |
| US11933250B2 (en) | 2020-07-28 | 2024-03-19 | Cummins Inc. | Gaseous fuel-air mixer with higher mixture uniformity |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8634567U1 (en) * | 1986-12-09 | 1987-02-26 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno, Den Haag/S'gravenhage | Gas-air mixer |
| US5408978A (en) * | 1993-05-03 | 1995-04-25 | Davis Family Trust | Gaseous fuel entrainment apparatus and process |
| CN2926546Y (en) * | 2006-04-29 | 2007-07-25 | 山东潍柴华丰动力有限公司 | Gas-engine mixer |
| CN101813039A (en) * | 2009-11-07 | 2010-08-25 | 潍坊潍柴培新气体发动机有限公司 | turbulence mixer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2345710Y (en) * | 1998-10-20 | 1999-10-27 | 中国航天工业总公司第十一研究所 | Automobile Gas Mixer |
| CN1944996A (en) * | 2006-04-24 | 2007-04-11 | 江苏江淮动力股份有限公司 | Gas mixer and engine with said gas mixer |
| CN202202990U (en) * | 2011-08-05 | 2012-04-25 | 广西玉柴机器股份有限公司 | Engine mixer |
| CN202300714U (en) * | 2011-11-10 | 2012-07-04 | 黄国华 | Gas mixer capable of being adapted to change of coalbed gas concentration to control air-gas ratio |
| CN202348479U (en) * | 2011-11-18 | 2012-07-25 | 广西玉柴机器股份有限公司 | Gas engine mixer |
| CN203271954U (en) * | 2013-02-06 | 2013-11-06 | 中国重汽集团济南动力有限公司 | Device for mixing gas fuel for engine with air |
-
2013
- 2013-02-06 CN CN201310046346.0A patent/CN103114944B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8634567U1 (en) * | 1986-12-09 | 1987-02-26 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno, Den Haag/S'gravenhage | Gas-air mixer |
| US5408978A (en) * | 1993-05-03 | 1995-04-25 | Davis Family Trust | Gaseous fuel entrainment apparatus and process |
| CN2926546Y (en) * | 2006-04-29 | 2007-07-25 | 山东潍柴华丰动力有限公司 | Gas-engine mixer |
| CN101813039A (en) * | 2009-11-07 | 2010-08-25 | 潍坊潍柴培新气体发动机有限公司 | turbulence mixer |
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| Publication number | Publication date |
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| CN103114944A (en) | 2013-05-22 |
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