CN1944996A - Gas mixer and engine with said gas mixer - Google Patents
Gas mixer and engine with said gas mixer Download PDFInfo
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- CN1944996A CN1944996A CNA2006100398137A CN200610039813A CN1944996A CN 1944996 A CN1944996 A CN 1944996A CN A2006100398137 A CNA2006100398137 A CN A2006100398137A CN 200610039813 A CN200610039813 A CN 200610039813A CN 1944996 A CN1944996 A CN 1944996A
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- pneumatic tube
- gas mixer
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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 present invention discloses one kind of gas mixer for gas engine and the gas engine with the gas mixer. The gas mixer includes one mixer element, one casing, one peripheral cavity, one central cavity and gas nozzles. It features that the mixer element and the casing are fitted closely to form the peripheral cavity, and that the mixer element has several nozzles homogeneously distributed in circumferential direction to jet gas into the central cavity for mixing with air from the air strainer so as to form the homogeneous inflammable gas mixture.
Description
Technical field
The present invention relates to the employed gas mixers of gas engine such as rock gas, liquefied petroleum gas (LPG), carbon monoxide, and relate to a kind of motor that has this gas mixer.
Background technique
Along with petroleum fuel is more and more nervous, gaseous propellant engine will obtain accelerated development.In gas engine, the quality of gas mixer will determine engine performance.Inflammable gas will mix with even air through behind the mixer, and the dead band can not be arranged, and burning could be fully like this.
And in gas engine mixer in the past, particularly in the employed gas mixer of one-cylinder gas engine, there is not custom-designed gas mixer, the direct use that has be gasoline engine carburetor, the Carburetor improvement that then is to use that has forms, exist obvious difference on inflammable gas and the gasoline performance after all, existing Carburetor can not adapt to the needs of gaseous combustion fully.
Summary of the invention
For this reason, the invention provides the employed gas mixer of gas engine and a kind of motors that have this gas mixer such as a kind of rock gas, liquefied petroleum gas (LPG), carbon monoxide.Gas engine of the present invention comprises first pneumatic tube, high-pressure gas box, water tank, low pressure gas tank, the 3rd pneumatic tube, the 5th pneumatic tube, second pneumatic tube, gas mixer assembly, air-strainer, engine air inlet tube, silencing apparatus, cylinder cap, air pump, the 4th pneumatic tube, gas switch assembly, outlet valve.Wherein first pneumatic tube pours into inflammable gas in the high-pressure gas box, above-mentioned gas enters the low pressure gas tank through second pneumatic tube then, be divided into two-way by the 3rd pneumatic tube again, wherein branch road is the 4th pneumatic tube, seldom a part of gas directly enters in the gas mixer assembly through above-mentioned the 4th pneumatic tube, wherein most of gas still is delivered in the air pump by the 3rd pneumatic tube, gas through air pump enters in the gas mixer assembly through the 5th pneumatic tube and gas switch assembly again, above-mentioned gas in the gas mixer assembly with carry out Special Mixed from the air in the air-strainer, thereby form even burning mixture, above-mentioned even burning mixture is again in engine air inlet tube enters air flue in the cylinder head, enter cylinder, through the plug ignition work by combustion, the engine exhaust that acting finishes is discharged behind silencing apparatus.The outlet valve impurity in the high-pressure gas box of can regularly draining wherein.
Gas mixer of the present invention and gas switch assembly thereof comprise the gas mixer assembly, the 4th pneumatic tube joint, gas switch assembly, the 5th pneumatic tube joint.Its gas mixer assembly comprises mixer core, housing, circumference inner cavity, central chamber again.Described gas switch assembly comprises three-limb tube again, gas switch connecting body, gas switch body housing, gas switch spool.The by-pass port of described three-limb tube links to each other with the 4th pneumatic tube joint, and the main passage cylindrical cavity of three-limb tube communicates with the gas switch spool, and the gas switch spool communicates with the through hole cylindrical cavity of the 5th pneumatic tube joint.That is to say, gas through the gas switch spool, enters the main passage cylindrical cavity from the through hole cylindrical cavity, enters circumference inner cavity again, again through A, the B of mixer core ... 12 nozzle bores of K enter central chamber and carry out Special Mixed from the air in the air-strainer, thereby form even burning mixture.Wherein above-mentioned through hole cylindrical cavity, main passage cylindrical cavity diameter value enter gas and enter mixed gases from the through hole cylindrical cavity between 6～30mm in the cylindrical cavity with the 4th pneumatic tube joint, the diameter of the cylindrical cavity of the 4th pneumatic tube joint is between φ 2.5～φ 10mm.After the gas switch spool is closed, still have small part gas to enter the main passage cylindrical cavity, thereby guarantee motor proper functioning when not loading idling from the cylindrical cavity passage of the 4th pneumatic tube joint.
Mixer core of the present invention and mixer case drive fit connect together, can connect together for interference fit, can connect together with screw thread, form a circumference inner cavity in the middle of them, this circumference inner cavity cross section switch can be right-angled trapezium, also can be shapes such as semicircle or rectangle, can also be shapes such as semicircle or rectangle, wherein the gas entrance is a thread connecting mode, it is connected with the three-limb tube thread seal of described gas switch assembly, do not reveal in order to ensure gas, can between screw pair, use sealer or raw meal belt.
The outer ring boss of the housing parts of gas mixer assembly of the present invention cooperates with air-strainer, and the housing concave station cooperates with engine air inlet tube, and the housing inner ring cooperates with mixer core, and the housing small stair is the following locating face of mixer core.
The nozzle that has some quantity diameters not wait along circumference above the mixer core of gas mixer assembly of the present invention, nozzle centerline is from the horizontal by the θ angle, the θ span is preferably between 0 °～40 °, its outer ring, mixer core top and outer ring, bottom respectively with the fixed seal connection of mixer shell, thereby form circumference inner cavity.The diameter benchmark of nozzle is to determine like this: along the circumferential direction uniform plurality of nozzles on the mixer core of gas mixer assembly, its orifice size is incomplete same, the nozzle minimum at the diametric(al) two ends that coincide with gas entrance center line wherein, with the nozzle maximum at the perpendicular diametric(al) two ends of gas entrance center line, other uniform orifice size falls between.Evenly distribute on 360 ° of circumference of all nozzles, thereby guarantee to mix, make the gas engine sufficient combustion with even air.
Description of drawings
Fig. 1 is the motor schematic representation that has gas mixer of the present invention;
Fig. 2 is the sectional view of gas mixer of the present invention and gas switch assembly thereof;
Fig. 3 is a gas mixer assembly sectional view of the present invention;
Fig. 4 is the housing parts schematic representation of gas mixer assembly of the present invention shown in Figure 3;
Fig. 5 is the mixer core part schematic representation of gas mixer assembly of the present invention shown in Figure 3;
Fig. 6 is that distribution map is amplified in the mixer hole of gas mixer of the present invention shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is described in detail.
Fig. 1 shows the motor that has gas mixer of the present invention, and motor of the present invention comprises first pneumatic tube 1, high-pressure gas box 2, water tank 3, low pressure gas tank 4, the three pneumatic tubes 5, the five pneumatic tubes 6, second pneumatic tube 7, gas mixer assembly 8, air-strainer 9, engine air inlet tube 10, silencing apparatus 11, cylinder cap 12, air pump 13, the four pneumatic tubes 14, gas switch assembly 15, engine body 16, starter motor 17, spark plug 18, outlet valve 19, air valve 20.Wherein engine body 16, starter motor 17, spark plug 18 are the parts of gas engine.Wherein first pneumatic tube 1 pours into combustion gas in the high-pressure gas box 2, also be, rock gas, liquefied petroleum gas (LPG), inflammable gass such as carbon monoxide at first enter in the high-pressure gas box 2 through first pneumatic tube 1, above-mentioned gas enters low pressure gas tank 4 through second pneumatic tube 7 then, be divided into two-way by the 3rd pneumatic tube 5 again, wherein branch road is the 4th pneumatic tube 14, seldom a part of gas directly enters in the gas mixer assembly 8 through above-mentioned the 4th pneumatic tube 14, wherein most of gas still is delivered in the air pump 13 by the 3rd pneumatic tube 5, on the 3rd pneumatic tube 5 and be positioned at the 4th pneumatic tube 14 front ends and be provided with air valve 20, the gas of process air pump 13 is again through the 5th pneumatic tube 6 and gas switch assembly 15, gas is first to be mixed with entering with the 4th pneumatic tube 14, enter again in the gas mixer assembly 8 Yu and carry out Special Mixed from the air in the air-strainer 9, thereby form even burning mixture, above-mentioned even burning mixture is again in engine air inlet tube 10 enters air flue in the cylinder head 12, enter cylinder, through spark plug 18 ignition acting, the engine exhaust that acting finishes is discharged behind silencing apparatus 11.Outlet valve 19 impurity in the high-pressure gas box 2 of can regularly draining wherein.
As shown in Figure 2, Fig. 2 is the sectional view of gas mixer of the present invention and gas switch assembly thereof, and this gas mixer and gas switch assembly thereof comprise gas mixer assembly 8, the four pneumatic tube joint 14-1, gas switch assembly 15, the five pneumatic tube joint 6-1.Its gas mixer assembly 8 comprises mixer core 8-1 again, housing 8-2, circumference inner cavity 8-3, central chamber 8-4.Described gas switch assembly 15 comprises three-limb tube 15-1 again, gas switch connecting body 15-3, gas switch body housing 15-4, gas switch spool 15-5.The by-pass port 15-2 of described three-limb tube 15-1 links to each other with the 4th pneumatic tube joint 14-1, and the main passage cylindrical cavity 15-8 of three-limb tube 15-1 communicates with gas switch spool 15-5, and gas switch spool 15-5 communicates with the through hole cylindrical cavity 6-2 of the 5th pneumatic tube joint 6-1.That is to say, gas is from through hole cylindrical cavity 6-2 process gas switch spool 15-5, enter main passage cylindrical cavity 15-8, enter circumference inner cavity 8-3 again, again through A, the B of mixer core 8-1 ... 12 nozzle bores of K enter central chamber 8-4 and carry out Special Mixed from the air in the air-strainer 9, thereby form even burning mixture.Wherein above-mentioned through hole cylindrical cavity 6-2, main passage cylindrical cavity 15-8 diameter value are between 6～30mm, enter gas in the cylindrical cavity with the 4th pneumatic tube joint 14-1 and enter gas mixing mutually in the cylindrical cavity 15-8 of main passage from through hole cylindrical cavity 6-2, the diameter of the cylindrical cavity of the 4th pneumatic tube joint 14-1 is between φ 2.5～φ 10mm.As can be seen from Figure 2, after gas switch spool 15-5 closes, still have small part gas to enter main passage cylindrical cavity 15-8, thereby guarantee motor proper functioning when not loading idling from the cylindrical cavity passage of the 4th pneumatic tube joint 14-1.
Fig. 3 is gas mixer assembly 8 sectional views of the present invention, this gas mixer assembly 8 comprises mixer core 8-1, housing 8-2, circumference inner cavity 8-3, central chamber 8-4, gas entrance 8-5, wherein mixer core 8-1 and mixer case 8-2 drive fit connect together, can connect together for interference fit, can connect together with screw thread, form a circumference inner cavity 8-3 in the middle of them, this circumference inner cavity 8-3 sectional shape can be a right-angled trapezium as shown in Figure 3, also can be shapes such as semicircle or rectangle, wherein gas entrance 8-5 is a thread connecting mode, and as shown in Figure 2, it is connected with the three-limb tube 15-1 thread seal of described gas switch assembly 15, do not reveal in order to ensure gas, can between screw pair, use sealer or raw meal belt.
Fig. 3 is gas mixer assembly 8 sectional views of the present invention, and Fig. 4 is the housing parts 8-2 schematic representation of gas mixer assembly of the present invention shown in Figure 3.Its housing outer ring boss 8-2-1 cooperates with air-strainer 9, and housing concave station 8-2-2 cooperates with engine air inlet tube 10, and housing inner ring 8-2-4 cooperates with mixer core 8-1, and housing small stair 8-2-3 is the following locating face of mixer core 8-1.
Fig. 3 is gas mixer assembly 8 sectional views of the present invention, and Fig. 5 is the mixer core schematic representation of gas mixer assembly of the present invention shown in Figure 3; As shown in Figure 5, the nozzle 8-1-2 that has some quantity diameters not wait in the above, the nozzle 2 that preferred 12 diameters do not wait, nozzle 8-1-2, nozzle centerline are from the horizontal by the θ angle, and the θ span is preferably between 0 °～40 °, nozzle is distributed on 360 ° of circumference, as shown in Figure 2, its outer ring, top 8-1-1 and outer ring, bottom 8-1-3 respectively with the fixed seal connection of mixer shell, thereby form circumference inner cavity 8-3.
Fig. 6 is that the mixer nozzle of gas mixer of the present invention shown in Figure 2 amplifies distribution map.For its diameter rule is described, it is changed into plan cross-sectional view represent.The code name of nozzle is from A, B, and C, D, E, F, G, H, I, J, K represent that 8-5 represents gas mixer gas entrance among the figure.With the A hole is the diameter benchmark, and B hole, C hole, E hole, F hole, H hole, their diameter of I hole equate that its size is about 1.2 times of A hole, the G hole is identical with the A bore dia, the D hole equates with the J hole, and it is of a size of about 1.4 times of A hole, is air inlet around guaranteeing like this.That is to say, on the mixer core of gas mixer assembly, along the circumferential direction be evenly equipped with plurality of nozzles, its orifice size is incomplete same, the nozzle minimum at the diametric(al) two ends that coincide with gas entrance center line wherein, with the nozzle maximum at the perpendicular diametric(al) two ends of gas entrance center line, other uniform orifice size falls between.Evenly distribute on 360 ° of circumference of all nozzles, guarantee to mix, make engine combustion abundant with even air.
The present invention is not limited to above-mentioned mode of execution, and above-mentioned preferred implementation only is exemplary, and those skilled in the art can make the various modifications that are equal to and replacement and various combination, and obtain different mode of executions according to spirit of the present invention.
Can be symmetrical as gas entrance 8-5 at gas mixer assembly 8 housing 8-2 diameter two ends; Also can on gas mixer assembly 8 housing 8-2, be provided with four symmetrically, and the diameter of above-mentioned gas entrance 8-5 also can be incomplete same.The gas entrance 8 of the direction of its nozzle maximum is big, and the gas entrance 8 of the direction of nozzle minimum is little.
Industrial applicibility
Since the present invention be under low cost and simple processing method, realized fuel gas with The abundant mixing of air is so have industrial utility value.
Claims (21)
1, the employed gas mixer of a kind of gas engine, it comprises mixer core (8-1), housing (8-2), circumference inner cavity (8-3), central chamber (8-4), gas entrance (8-5), it is characterized in that described mixer core (8-1) and mixer case (8-2) drive fit connect together, its both middle above-mentioned circumference inner cavities (8-3) that form, on described mixer core (8-1), along the circumferential direction be evenly equipped with plurality of nozzles, gas enters central chamber (8-4) and carries out Special Mixed from the air the air-strainer (9) from nozzle, thereby forms even burning mixture.
2, gas mixer as claimed in claim 1 is characterized in that described uniform nozzle is 12 nozzles that diameter does not wait.
3, gas mixer as claimed in claim 1 or 2, it is characterized in that described orifice size is incomplete same, the nozzle minimum at the diametric(al) two ends that coincide with gas entrance (8-5) center line wherein, with the nozzle maximum at the perpendicular diametric(al) two ends of gas entrance center line, other uniform orifice size falls between.
4, gas mixer as claimed in claim 3, it is characterized in that described orifice size is to determine like this: the nozzle (A at the diametric(al) two ends that coincide with gas entrance center line, G) be the diameter benchmark, orifice size (D with the perpendicular diametric(al) two ends of gas entrance center line, J) be about 1.4 times of above-mentioned diameter benchmark, about 1.2 times of the above-mentioned diameter benchmark of every orifice size (B, C, E, F, H, I) between the two.
5, gas mixer as claimed in claim 1 or 2 is characterized in that described nozzle centerline is from the horizontal by the θ angle.
6, gas mixer as claimed in claim 5 is characterized in that described nozzle centerline and substantially horizontal θ angular region are between 0 °～40 °.
7, gas mixer as claimed in claim 5, it is characterized in that the outer ring, top (8-1-1) of described mixer core (8-1) and outer ring, bottom (8-1-3) respectively with the fixed seal connection of mixer shell, thereby form described circumference inner cavity (8-3).
8, gas mixer as claimed in claim 7 is characterized in that described circumference inner cavity (8-3) sectional shape is a right-angled trapezium, or semicircle, or rectangle.
9, gas mixer as claimed in claim 1, it is characterized in that described its housing (8-2) outer ring boss (8-2-1) cooperates with air-strainer (9), housing concave station (8-2-2) cooperates with engine air inlet tube (10), housing inner ring (8-2-4) cooperates with mixer core (8-1), and housing small stair (8-2-3) is the following locating face of mixer core (8-1).
10, gas mixer as claimed in claim 1 is characterized in that described mixer core (8-1) and mixer case (8-2) connect together for interference fit.
11, gas mixer as claimed in claim 1 is characterized in that described mixer core (8-1) and mixer case (8-2) are for being threaded.
12, gas mixer as claimed in claim 1, it is characterized in that described gas mixer also comprises the 4th pneumatic tube joint (14-1), gas switch assembly (15), the 5th pneumatic tube joint (6-1), described gas switch assembly (15) comprises three-limb tube (15-1) again, gas switch connecting body (15-3), gas switch body housing (15-4), gas switch spool (15-5); The by-pass port (15-2) of described three-limb tube (15-1) links to each other with the 4th pneumatic tube joint (14-1), and the main passage cylindrical cavity (15-8) of three-limb tube (15-1) communicates with gas switch spool (15-5), and gas switch spool (15-5) communicates with the through hole cylindrical cavity (6-2) of the 5th pneumatic tube joint (6-1).
13, gas mixer as claimed in claim 12 is characterized in that described above-mentioned through hole cylindrical cavity (6-2), main passage cylindrical cavity (15-8) the value diameter value greater than the cylindrical cavity of the 4th pneumatic tube joint (14-1); Enter gas in the cylindrical cavity with the 4th pneumatic tube joint (14-1) and enter gas mixing mutually in main passage cylindrical cavity (15-8) from through hole cylindrical cavity (6-2).
14, gas mixer as claimed in claim 13, it is characterized in that described above-mentioned through hole cylindrical cavity (6-2), main passage cylindrical cavity (15-8) diameter value between 6～30mm, the diameter of the cylindrical cavity of the 4th pneumatic tube joint (14-1) is between φ 2.5～φ 10mm.
15, gas mixer as claimed in claim 12, it is characterized in that described above-mentioned after gas switch spool (15-5) is closed, still have small part gas to enter main passage cylindrical cavity (15-8), guarantee motor proper functioning when not loading idling from the cylindrical cavity passage of the 4th pneumatic tube joint (14-1).
16, gas mixer as claimed in claim 1 is characterized in that described gas entrance (8-5) is arranged on gas mixer housing (8-2) diameter two ends symmetrically;
17, gas mixer as claimed in claim 1 is characterized in that described gas entrance (8-5) can be provided with four symmetrically on gas mixer assembly 8 housing 8-2.
18, gas mixer as claimed in claim 17 is characterized in that the diameter of described gas entrance (8-5) can be incomplete same.
19, gas mixer as claimed in claim 17 is characterized in that the diameter of described gas entrance (8-5) is consistent with nozzle.
20, a kind of motor that has this gas mixer, it comprises first pneumatic tube (1), high-pressure gas box (2), low pressure gas tank (4), the 3rd pneumatic tube (5), the 5th pneumatic tube (6), second pneumatic tube (7), gas mixer assembly (8), air-strainer (9), engine air inlet tube (10), silencing apparatus (11), air pump (13), the 4th pneumatic tube (14), gas switch assembly (15), outlet valve (19), air valve (20); Silencing apparatus among its spy (11) and empty filter (9) advance for motor, the exhaust gateway, air-strainer (9) is contained on the engine air inlet tube (10), engine air inlet tube (10) is contained on the cylinder cap (12), second pneumatic tube (7) is 4 pneumatic tube from high-voltaghe compartment 2 to low-pressure cabinet, the 3rd pneumatic tube (5) is the pneumatic tube of low pressure gas tank (4) to air pump (13), the 5th pneumatic tube (6) is the pneumatic tube of air pump (13) to gas mixer assembly (8), the 4th pneumatic tube (14) is the 3rd pneumatic tube (5) to the pneumatic tube of gas switch (15), it is characterized in that described gas mixer assembly (8) is one of any described gas mixer of claim 1-19.
21, motor as claimed in claim 20 is characterized in that outlet valve (19) is arranged on the high-pressure gas box (2), the impurity in the high-pressure gas box (2) of can regularly draining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100398137A CN1944996A (en) | 2006-04-24 | 2006-04-24 | Gas mixer and engine with said gas mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100398137A CN1944996A (en) | 2006-04-24 | 2006-04-24 | Gas mixer and engine with said gas mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1944996A true CN1944996A (en) | 2007-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100398137A Pending CN1944996A (en) | 2006-04-24 | 2006-04-24 | Gas mixer and engine with said gas mixer |
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| CN (1) | CN1944996A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114944A (en) * | 2013-02-06 | 2013-05-22 | 中国重汽集团济南动力有限公司 | Device for motor capable of mixing gas fuel with air |
| CN105089858A (en) * | 2015-09-11 | 2015-11-25 | 南充天瑞汽车电子有限公司 | Single-point spraying gas mixer and spraying rail assembly |
| CN107186312A (en) * | 2017-04-20 | 2017-09-22 | 常州市盛士达汽车空调有限公司 | Gas brazing machine air supply system and the two station gas brazing machines using the air supply system |
| CN107250641A (en) * | 2014-12-18 | 2017-10-13 | 西港能源有限公司 | Sealing structure for gaseous fuel |
| CN107709744A (en) * | 2015-06-11 | 2018-02-16 | 赛峰飞机发动机公司 | Component including exhaust casing and downstream rotational symmetry part |
| CN109173909A (en) * | 2018-10-31 | 2019-01-11 | 蚌埠中正聚氨酯发泡设备有限公司 | Mixed core, the mixing device that polyurethane and solid material are mixed using it |
| CN110748440A (en) * | 2018-07-23 | 2020-02-04 | 重庆科克发动机技术有限公司 | Mixer with adjustable air-fuel ratio |
-
2006
- 2006-04-24 CN CNA2006100398137A patent/CN1944996A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114944A (en) * | 2013-02-06 | 2013-05-22 | 中国重汽集团济南动力有限公司 | Device for motor capable of mixing gas fuel with air |
| CN107250641A (en) * | 2014-12-18 | 2017-10-13 | 西港能源有限公司 | Sealing structure for gaseous fuel |
| US10788002B2 (en) | 2014-12-18 | 2020-09-29 | Westport Power Inc. | Sealing structure for gaseous fuel |
| CN107709744A (en) * | 2015-06-11 | 2018-02-16 | 赛峰飞机发动机公司 | Component including exhaust casing and downstream rotational symmetry part |
| CN107709744B (en) * | 2015-06-11 | 2019-09-20 | 赛峰飞机发动机公司 | Component including exhaust casing and downstream rotational symmetry component |
| CN105089858A (en) * | 2015-09-11 | 2015-11-25 | 南充天瑞汽车电子有限公司 | Single-point spraying gas mixer and spraying rail assembly |
| CN107186312A (en) * | 2017-04-20 | 2017-09-22 | 常州市盛士达汽车空调有限公司 | Gas brazing machine air supply system and the two station gas brazing machines using the air supply system |
| CN110748440A (en) * | 2018-07-23 | 2020-02-04 | 重庆科克发动机技术有限公司 | Mixer with adjustable air-fuel ratio |
| CN109173909A (en) * | 2018-10-31 | 2019-01-11 | 蚌埠中正聚氨酯发泡设备有限公司 | Mixed core, the mixing device that polyurethane and solid material are mixed using it |
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