CN103953467B - Integrated gas jet mixer - Google Patents
Integrated gas jet mixer Download PDFInfo
- Publication number
- CN103953467B CN103953467B CN201410189718.XA CN201410189718A CN103953467B CN 103953467 B CN103953467 B CN 103953467B CN 201410189718 A CN201410189718 A CN 201410189718A CN 103953467 B CN103953467 B CN 103953467B
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- Prior art keywords
- gas
- mixer
- injection apparatus
- apparatus assembly
- rail
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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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- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of integrated gas jet mixer.This integrated gas jet mixer device comprises: gas rail on injection apparatus assembly, gas injector, integrated mixer (lower gas rail and mixer integrated), gaseous-pressure temperature transducer etc.On injection apparatus assembly, the downside of gas rail offers multiple gas outlet side by side; Gas rail and mixer conglomerate under injection apparatus assembly, it comprises: mixer body and be integrated in mixer body side injection apparatus assembly under gas rail body, one end of mixer body is embedded with mixer part; And sparger, its suction port is communicated with the gas outlet of gas rail on injection apparatus assembly, and the air outlet of this sparger is communicated with the fuel gas inlet of gas rail body under described injection apparatus assembly.The followability that this integrated gas jet mixer transient response and mixture strength control is better, and compact structure, easy accessibility, manufacture cost is lower.
Description
Technical field
The present invention relates to engine art, particularly a kind of integrated gas jet mixer.
Background technique
Now gas engine commercially mainly adopts single-point discharge to add the fuel supply mode of premixing, namely rock gas sprays into mixer by injection apparatus combustion gas and is pre-mixed in engine air inlet tube with air, form inflammable gas, finally enter cylinder again, burn.
As shown in Figure 1, current most fuel gas ejecting device is all with the form design of upper and lower rail, mainly comprise: gas rail 12 under gas rail 11 and injection apparatus assembly on injection apparatus assembly, and be communicated with on this injection apparatus assembly, the sparger 13 of lower gas rail, three is fixedly mounted on mounting bracket 14, on injection apparatus assembly, the end of gas rail 11 is laid with pressure-temperature sensor 15, under injection apparatus assembly, the outlet side of gas rail 12 is communicated to mixer 17 by conduit 16, namely on injection apparatus assembly, gas rail 11 (nozzle entrance) is high-pressure gas, under injection apparatus assembly, gas rail 12 (jet expansion) is the low-pressure fuel gas through the accurate current needs calculated, mixer 17 is received again by conduit 16.This traditional design advantage is: injection apparatus and mixer are independent separately, separately can design and purchase.Complete machine arranges that comparatively flexible design side does not need to understand completely the complete machine arrangement of motor in addition, can design separately, highly versatile.But there is following shortcoming in this traditional design:
First, because the conduit from jet assembly to mixer is longer, transient state accelerate time bad response, easily cause fuel cross rare and cause engine fire.In addition, the part of fuel gas ejecting device is comparatively scattered, arrange that compact not impact is attractive in appearance, and cost is higher.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of simple and reasonable, the lower gas rail of fuel gas ejecting device is directly designed on mixing body by simplified design, be arranged on engine air inlet tube with mixer is integrated, the followability that transient response and mixture strength control is better, compact structure, easy accessibility, the integrated gas jet mixer that manufacture cost is lower.
For achieving the above object, the invention provides integrated gas jet mixer, comprise: gas rail on injection apparatus assembly, be horizontally installed on the top of this integrated gas jet mixer, one end offers high-pressure gas entrance, and on injection apparatus assembly, the downside of gas rail offers multiple gas outlet side by side; Gas rail and mixer conglomerate under injection apparatus assembly, it comprises: mixer body and gas rail body under being integrated in mixer body side injection apparatus assembly, and one end of mixer body has mixer portion; Under injection apparatus assembly, the side of gas rail body is connected with the outer circumferential face one of mixer body, its end face offers multiple fuel gas inlet, under injection apparatus assembly, the inside of gas rail body offers the blast tube be communicated with multiple fuel gas inlet, the inner space in this blast tube and mixer portion; And sparger, its suction port is communicated with the gas outlet of gas rail on injection apparatus assembly, and the air outlet of this sparger is communicated with the fuel gas inlet of gas rail body under described injection apparatus assembly.
Preferably, in technique scheme, on injection apparatus assembly, the side of the high-pressure gas entry end of gas rail is laid with pressure-temperature sensor.
Preferably, in technique scheme, on injection apparatus assembly, the gas outlet of gas rail is three.
Preferably, in technique scheme, one end that mixer portion is inlaid in mixer body by mixer lining is formed, and the circumference of mixer lining evenly offers the multiple fuel gas holes running through interior outer side surface, and the inner peripheral surface of the mixer body that this fuel gas hole is corresponding offers gas inlet annular groove.
Compared with prior art, the present invention has following beneficial effect: this integrated gas jet mixer is simple and reasonable, the lower gas rail of fuel gas ejecting device is directly installed on mixing body by simplified design, be arranged on engine air inlet tube with mixer is integrated, the followability that transient response and mixture strength control is better, and transient response is good, compact structure, easy accessibility, manufacture cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing fuel gas ejecting device.
Fig. 2 is the first view stereo structural representation of integrated gas jet mixer of the present invention.
Fig. 3 is the second view stereo structural representation of integrated gas jet mixer of the present invention.
Fig. 4 is the perspective view of gas rail and mixer conglomerate under the injection apparatus assembly of integrated gas jet mixer of the present invention.
Fig. 5 is the sectional structure schematic diagram of gas rail and mixer conglomerate under the injection apparatus assembly of integrated gas jet mixer of the present invention.
Main Reference Numerals illustrates:
Gas rail on 11-injection apparatus assembly, gas rail under 12-injection apparatus assembly, 13-sparger, 14-mounting bracket, 15-pressure-temperature sensor, 16-conduit, 17-mixer, gas rail on 21-injection apparatus assembly, 211-pressure-temperature sensor, gas rail and mixer conglomerate under 22-injection apparatus assembly, 221-mixer body, gas rail body under 222-injection apparatus assembly, 223-mixer portion, 224-mixer lining, 23-sparger.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As shown in Figures 2 and 3, concrete structure according to the integrated gas jet mixer of the specific embodiment of the invention comprises: gas rail and mixer conglomerate 22 under gas rail 21 and injection apparatus assembly on injection apparatus assembly, and be communicated with the sparger 23 of gas rail and mixer conglomerate 22 under gas rail 21 and injection apparatus assembly on this injection apparatus assembly, on injection apparatus assembly, gas rail 21 (nozzle entrance) is high-pressure gas, gas rail and mixer conglomerate 22 under sparger 23 injection enters injection apparatus assembly, engine air inlet tube is entered after mixing with air, the lower gas rail of fuel gas ejecting device is directly installed on mixing body by simplified design by this integrated gas jet mixer, be arranged on engine air inlet tube with mixer is integrated, the followability that transient response and mixture strength control is better, transient response is good, compact structure, easy accessibility, manufacture cost is lower.
On injection apparatus assembly, gas rail 21 is horizontally installed on the top of this integrated gas jet mixer, one end offers high-pressure gas entrance, the side of high-pressure gas entry end is laid with pressure-temperature sensor 211, on injection apparatus assembly, the downside of gas rail 21 offers multiple gas outlet side by side, and the plurality of gas outlet is communicated with the suction port of sparger 23 one to one respectively.The gas outlet of the present embodiment is three.
As shown in Figure 4 and Figure 5, under injection apparatus assembly, gas rail and mixer conglomerate 22 comprise: mixer body 221 and gas rail body 222 under being integrated in mixer body 221 side injection apparatus assembly, mixer body 221 is parallel to gas rail 21 cross setting on injection apparatus assembly, and one end has mixer portion 223; One end that mixer portion 223 is inserted into mixer body 221 by mixer lining 224 is formed, the circumference of mixer lining 224 evenly offers the multiple fuel gas holes running through interior outer side surface, and the inner peripheral surface of the mixer body 221 that this fuel gas hole is corresponding offers gas inlet annular groove.
Under injection apparatus assembly, gas rail body 222 is rectangular structure, side is connected with the outer circumferential face one of mixer body 221, under injection apparatus assembly, the end face of gas rail body 222 offers multiple fuel gas inlet, and the plurality of fuel gas inlet is communicated with the air outlet of sparger 23 one to one respectively.The gas outlet of the present embodiment is three.Under injection apparatus assembly, the inside of gas rail body 222 offers the blast tube (i.e. integrated lower gas rail on the mixer) be communicated with multiple fuel gas inlet, this blast tube is communicated with the gas inlet annular groove of the inner peripheral surface of mixer body 221, the combustion gas of the injection of sparger 23 imports gas inlet annular groove by blast tube, more evenly sprays into inside, mixer portion 223 through multiple fuel gas holes of mixer lining 224 and mix with air.Combustion gas evenly sprays into mixer portion 223 and air through multiple fuel gas hole and carries out mixing combustion gas can be made to mix with air more even, and engine combustion is more abundant.This integrated gas jet mixer eliminates gas rail under traditional jet assembly, eliminate the conduit of lower rail to mixer, relevant special joint, mounting bracket etc., rail under directly designing on mixing body, whole jet assembly and mixer is integrated is arranged in suction tude, compact structure, easy accessibility, the more important thing is that the followability that transient response and mixture strength control because sparger and mixer distance further is better, the manufacture cost in addition owing to eliminating parts thereof entirety is lower.
Sparger 23 to be vertically arranged on injection apparatus assembly under gas rail 21 and injection apparatus assembly between gas rail and mixer conglomerate 22, the suction port of sparger 23 is communicated with the gas outlet of gas rail 21 on injection apparatus assembly, and the air outlet of sparger 23 is communicated with the fuel gas inlet of gas rail body 222 under injection apparatus assembly.
Combustion gas is ejected into the blast tube (integrated lower gas rail on the mixer) of gas rail body 222 under injection apparatus assembly by sparger 23 by gas rail 21 on injection apparatus assembly, then be mixed to form inflammable gas with air in the mixer portion 223 being entered mixer body 221 by the blast tube of gas rail body 222 under injection apparatus assembly.
To sum up, this integrated gas jet mixer is simple and reasonable, the lower gas rail of fuel gas ejecting device is directly installed on mixing body by simplified design, be arranged on engine air inlet tube with mixer is integrated, the followability that transient response and mixture strength control is better, and transient response is good, compact structure, easy accessibility, manufacture cost is lower.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (4)
1. an integrated gas jet mixer, is characterized in that, comprising:
Gas rail on injection apparatus assembly, it is horizontally installed on the top of this integrated gas jet mixer, on described injection apparatus assembly, one end of gas rail offers high-pressure gas entrance, on this injection apparatus assembly, the downside of gas rail offers multiple gas outlet side by side, and on this injection apparatus assembly, the side of gas rail is provided with gaseous-pressure temperature sensor fixing hole;
Gas rail and mixer conglomerate under injection apparatus assembly, it comprises: mixer body and be integrated in mixer body side injection apparatus assembly under gas rail body, one end of described mixer body has mixer portion; Under described injection apparatus assembly, the side of gas rail body is connected with the outer circumferential face one of mixer body, under this injection apparatus assembly, the end face of gas rail body offers multiple fuel gas inlet, under described injection apparatus assembly, the inside of gas rail body offers the blast tube be communicated with described multiple fuel gas inlet, the inner space in this blast tube and mixer portion; And
Sparger, its suction port is communicated with the gas outlet of gas rail on described injection apparatus assembly, and the air outlet of this sparger is communicated with the fuel gas inlet of gas rail body under described injection apparatus assembly.
2. integrated gas jet mixer according to claim 1, is characterized in that, on described injection apparatus assembly, the side of the high-pressure gas entry end of gas rail is laid with pressure-temperature sensor.
3. integrated gas jet mixer according to claim 1, is characterized in that, on described injection apparatus assembly, the gas outlet of gas rail is three.
4. integrated gas jet mixer according to any one of claim 1 to 3, it is characterized in that, described mixer portion embeds by mixer lining the one end being arranged on mixer body and is formed, the circumference of described mixer lining evenly offers the multiple fuel gas holes running through interior outer side surface, and the inner peripheral surface of the mixer body that this fuel gas hole is corresponding offers gas inlet annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189718.XA CN103953467B (en) | 2014-05-07 | 2014-05-07 | Integrated gas jet mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189718.XA CN103953467B (en) | 2014-05-07 | 2014-05-07 | Integrated gas jet mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953467A CN103953467A (en) | 2014-07-30 |
| CN103953467B true CN103953467B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410189718.XA Active CN103953467B (en) | 2014-05-07 | 2014-05-07 | Integrated gas jet mixer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179114B (en) * | 2015-10-15 | 2017-08-25 | 广西玉柴机器股份有限公司 | The integrated mixer of gas engine |
| CN107061074A (en) * | 2017-06-02 | 2017-08-18 | 广西玉柴机器股份有限公司 | The gas handling system of CNG natural gas engines |
| CN106988932A (en) * | 2017-06-02 | 2017-07-28 | 广西玉柴机器股份有限公司 | The gas supply system of CNG natural gas engines |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5692478A (en) * | 1996-05-07 | 1997-12-02 | Hitachi America, Ltd., Research And Development Division | Fuel control system for a gaseous fuel internal combustion engine with improved fuel metering and mixing means |
| US6505612B1 (en) * | 2001-12-20 | 2003-01-14 | Deere & Company | Natural gas fuel metering assembly and engine with same |
| CN1696487A (en) * | 2005-05-15 | 2005-11-16 | 东风汽车有限公司 | Engine natural gas mixer |
| CN202125372U (en) * | 2011-05-25 | 2012-01-25 | 广西玉柴机器股份有限公司 | Fuel gas ejecting device |
| CN202402173U (en) * | 2011-12-31 | 2012-08-29 | 深圳市华江科技有限公司 | Injection valve |
| CN202402176U (en) * | 2011-12-06 | 2012-08-29 | 石旻磊 | Integrated electrically-controlled jet mixer for gas vehicles |
| CN202628315U (en) * | 2012-04-28 | 2012-12-26 | 宋龙甫 | High-pressure jet mixer of natural gas engine |
| CN203796444U (en) * | 2014-05-07 | 2014-08-27 | 广西玉柴机器股份有限公司 | Integrated fuel gas jet mixer |
-
2014
- 2014-05-07 CN CN201410189718.XA patent/CN103953467B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5692478A (en) * | 1996-05-07 | 1997-12-02 | Hitachi America, Ltd., Research And Development Division | Fuel control system for a gaseous fuel internal combustion engine with improved fuel metering and mixing means |
| US6505612B1 (en) * | 2001-12-20 | 2003-01-14 | Deere & Company | Natural gas fuel metering assembly and engine with same |
| CN1696487A (en) * | 2005-05-15 | 2005-11-16 | 东风汽车有限公司 | Engine natural gas mixer |
| CN202125372U (en) * | 2011-05-25 | 2012-01-25 | 广西玉柴机器股份有限公司 | Fuel gas ejecting device |
| CN202402176U (en) * | 2011-12-06 | 2012-08-29 | 石旻磊 | Integrated electrically-controlled jet mixer for gas vehicles |
| CN202402173U (en) * | 2011-12-31 | 2012-08-29 | 深圳市华江科技有限公司 | Injection valve |
| CN202628315U (en) * | 2012-04-28 | 2012-12-26 | 宋龙甫 | High-pressure jet mixer of natural gas engine |
| CN203796444U (en) * | 2014-05-07 | 2014-08-27 | 广西玉柴机器股份有限公司 | Integrated fuel gas jet mixer |
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| Publication number | Publication date |
|---|---|
| CN103953467A (en) | 2014-07-30 |
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