CN209838575U - Oil-gas premixing ejector for aviation piston engine suitable for various kinds of oil - Google Patents
Oil-gas premixing ejector for aviation piston engine suitable for various kinds of oil Download PDFInfo
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- CN209838575U CN209838575U CN201920490618.9U CN201920490618U CN209838575U CN 209838575 U CN209838575 U CN 209838575U CN 201920490618 U CN201920490618 U CN 201920490618U CN 209838575 U CN209838575 U CN 209838575U
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Abstract
The utility model discloses an aviation is oil gas premixing sprayer for piston engine suitable for multiple oil, including the sprayer shell be provided with the oil-gas mixing chamber in the sprayer shell, the oil-gas mixing chamber communicates with inlet channel and oil feed passageway respectively, the export and the jet intercommunication of oil-gas mixing chamber, its characterized in that: at least two stages of mixing are arranged in the oil-gas mixing cavity, wherein the oil-gas mixture of the previous stage is mixed with the air of the next stage. The utility model discloses an oil gas mixes sprayer in advance adopts the design in advance of two-stage oil gas to ensure not increasing to spray and run through under the condition that the wall loss is hit to distance, oil mist, promote the nozzle and spray the effect to the atomizing of various fuel (especially heavy oil).
Description
The technical field is as follows:
the utility model relates to a piston engine field especially relates to an aviation is oil gas premixing sprayer for piston engine suitable for multiple oil.
Background art:
the existing air entrainment ejector is mostly suitable for engines of motorcycles, automobiles and the like, and is rarely used for an aviation piston engine. In addition, the existing gas-entraining injector is mainly designed and operated by only relying on the Laval nozzle principle, but in the aspect of heavy oil injection, the heavy oil injection is carried out by only relying on the Laval nozzle principle, the atomization effect is not ideal enough, the atomization is promoted by increasing the oil pressure and the air pressure, but the injection penetration distance is increased, the wall collision loss of oil mist in an engine cylinder is further increased, the oil consumption is increased, and the combustion effect is poor.
And the oil outlet on the valve rod of the existing oil gas injector or air entrainment injector is mostly vertical to the central axis of the valve rod, and the flow loss is relatively large. In addition, the piston engine is a rotary machine, and corresponding vibration exists in the working process of the piston engine, so that the piston engine is not beneficial to being applied to an aeroengine.
The utility model has the following contents:
an object of the utility model is to provide an atomizing is effectual and the piston engine's of specially adapted heavy oil injection oil gas mixes sprayer in advance.
In order to achieve the above object, the present invention is realized as follows: the utility model provides an aviation is oil gas premixing sprayer for piston engine suitable for multiple oil, includes the sprayer shell be provided with the oil-gas mixing chamber in the sprayer shell, the oil-gas mixing chamber communicates with inlet channel and oil feed passageway respectively, the export and the jet orifice intercommunication of oil-gas mixing chamber, its characterized in that: at least two stages of mixing are arranged in the oil-gas mixing cavity, wherein the oil-gas mixture at the upper stage is mixed with the air at the lower stage. Through carrying out multistage mixing in limited mixing chamber, can make oil gas reach better atomization effect, and need not to increase oil pressure and atmospheric pressure and make the energy consumption few. In addition, the mode can be used on the injector with small volume and weight, and is particularly suitable for being applied to an aeroengine.
Further, be provided with one-level hybrid chamber and second grade hybrid chamber in the oil-gas mixing chamber, one-level hybrid chamber and inlet channel's export and oil feed passageway's export intercommunication, second grade hybrid chamber and inlet channel's export and the export intercommunication of one-level hybrid chamber.
The device further comprises a first-stage mixer and a second-stage mixer, wherein a transition air cavity is formed between the first-stage mixer and the inner wall of the oil-gas mixing cavity, a first-stage mixing cavity is formed between the first-stage mixer and the second-stage mixer, and the second-stage mixer is communicated with the transition air cavity and forms a second-stage mixing cavity between the second-stage mixer and the inner wall of the oil-gas mixing cavity.
Furthermore, the first-stage mixer is located at the lower part of the outlet of the air inlet channel, an inner oil channel is arranged in the first-stage mixer, the side surface of the inner oil channel is provided with a hole and is connected with the oil inlet nozzle, and a first-stage air hole which penetrates through the first-stage mixer from top to bottom is further formed in the first-stage mixer.
Preferably, the second-stage mixer is a bowl with an opening at the bottom, an outer edge extending outwards is arranged at the top of the second-stage mixer, a second-stage air hole penetrating through the outer edge from top to bottom is formed in the outer edge, the first-stage mixer is arranged on the top surface of the second-stage mixer and forms a first-stage mixing cavity together with the inner wall of the bowl of the second-stage mixer, and the outer wall of the bowl of the second-stage mixer and the valve core form a second-stage mixing cavity.
Preferably, the first-stage mixer is cylindrical, the outer edge of the bottom surface of the first-stage mixer is in contact with and sealed with the top surface of the second-stage mixer, and the second-stage air hole is formed outside the first-stage mixer.
In order to further achieve a better atomization effect, the bottom surface is further provided with a mixing nozzle protruding downwards, the mixing nozzle is provided with a through hole A communicated with the inner oil duct, and a through hole B communicated with the primary mixing cavity is formed in the side wall of the through hole.
Further, gaps are reserved between the bottom surface of the bottom outer edge of the secondary mixer and the bowl-shaped outer side wall and the valve core.
For further reducing the loss that flows, the sprayer still includes the valve rod, the valve rod has the valve opening, valve opening one end communicates with each other with the oil-gas mixing chamber, and the valve opening other end is equipped with the oil outlet, the oil outlet outer wall is provided with the tangential angle.
In order to further avoid the installation looseness caused by vibration, the injector shell is tightly installed on an installation object through a check bolt, a spring washer is installed below the check bolt, and the check is carried out through installing a check fuse, wherein the check bolt can adopt a check bolt in the GJB122.3-1986 standard.
In addition, both sides of the ejector shell are provided with air inlet nozzle electrical interfaces, and both sides of the oil inlet nozzle shell are provided with oil inlet nozzle electrical interfaces.
The oil-gas mixing cavity refers to all cavities capable of mixing oil and gas, and particularly in the invention, the oil-gas mixing cavity is a cavity formed between an ejector shell and a valve core.
Has the advantages that:
1. the two-stage oil-gas premixing design is adopted to ensure that the atomization injection effect of the nozzle on various types of fuel oil (especially heavy oil) is improved under the conditions of not increasing the injection penetration distance and oil mist wall collision loss.
2. The valve rod oil outlet is provided with a tangential angle, so that the fluid flow loss can be effectively reduced.
3. The design of the adjustability of the electrical interface ensures that the problem of the position interference of the electrical interface in the installation process of the air entrainment ejector is effectively solved under the condition of not modifying the appearance design scheme.
4. The locking design, the rigid requirement of installation does: the anti-loosening bolt in the national military standard (GJB 122.3-1986) can be used for fastening and mounting, and the fuse is additionally arranged to prevent the nozzle from loosening and even falling off due to flight vibration of the aircraft engine, so that the working safety of the engine is guaranteed.
Description of the drawings:
FIG. 1 is a sectional view of an ejector according to an embodiment;
FIG. 2 is an enlarged partial view A of FIG. 1;
FIG. 3 is an enlarged partial view B of FIG. 1;
FIG. 4 is a plan view of the ejector in the embodiment;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a view of a primary mixer;
FIG. 7 is a cross-sectional elevation view of a first stage mixer;
FIG. 8 is a diagram of a two-stage mixer;
FIG. 9 is a front cross-sectional view of a two-stage mixer.
1-an air inlet nozzle, 2-an air inlet nozzle O-shaped sealing ring, 3-an ejector shell, 4-a primary mixer, 5-a coil outer lining O-shaped sealing ring, 6-a secondary mixer, 7-a coil inner lining, 8-a coil outer lining, 9-a coil, 10-a return spring, 11-a valve seat installation sealing O-shaped ring, 12-a valve rod, 13-a valve seat, 14-a magnetizer, 15-a valve core, 16-an oil inlet nozzle sealing O-shaped ring, 17-an oil inlet nozzle shell, 18-a fastening bolt, 19-a spring gasket, 20-an oil inlet nozzle, 21-an oil nozzle shell O-shaped sealing ring, 22-a spring gasket, 23-a check bolt, 24-an air inlet nozzle electrical interface and 25-an oil inlet nozzle electrical interface; 45-via B; 46-through hole A.
The specific implementation mode is as follows:
the following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or replacements within the basic spirit of the embodiments still fall within the scope of the present invention claimed in the claims.
Example (b): as shown in fig. 1-9, an air-fuel premixing injector for aviation piston engines with various oil qualities comprises an injector housing 3, an air inlet assembly, an oil inlet assembly, a solenoid assembly, an air-fuel premixing assembly, a valve assembly, an electrical interface assembly, and fastening mounting accessories.
The air inlet component comprises an air inlet nozzle 1, an O-shaped sealing ring 2 and an air inlet electrical interface 24; the oil inlet assembly comprises an oil inlet nozzle shell 17, an oil inlet nozzle 20, O-shaped sealing rings 16 and 21 and an oil inlet electrical interface 25; the electromagnetic assembly comprises a coil inner liner 7, a coil outer liner 8, a coil outer liner O-shaped sealing ring 5, a coil 9 and a magnetizer 14; the valve assembly comprises a valve seat 13, a valve core 15, a valve rod 12 and a return spring 10.
According to the direction of figure 1, the oil-gas mixing cavity is arranged in the ejector shell, the ejector shell on the upper portion of the oil-gas mixing cavity is provided with a gas inlet, and the gas inlet nozzle 1 is installed to the gas inlet in a pressing-in mode and is matched with the ejector shell to be sealed through an O-shaped sealing ring 2.
The oil-gas mixing cavity is characterized in that an oil inlet is formed in the ejector shell on the right side of the oil-gas mixing cavity, the oil outlet of the oil inlet nozzle 20 is installed on the oil inlet in a pressing-in mode and is sealed through matching with an O-shaped sealing ring 16, the outer side of the oil inlet nozzle 20 is provided with an oil inlet nozzle shell 17 on the ejector shell 3 through a fastening bolt 18, the oil inlet nozzle and the oil inlet nozzle shell are sealed through the O-shaped sealing ring, and a spring washer 19 is added below the fastening bolt 18 to prevent looseness to a certain degree.
The oil-gas mixing valve comprises an oil-gas mixing cavity, an oil-gas mixing cavity and a valve assembly, wherein the oil-gas mixing cavity is provided with an oil inlet, the oil inlet is arranged at the lower part of the oil-gas mixing cavity, the oil inlet is communicated with the oil-gas mixing cavity and an inner cavity of the oil inlet, the oil outlet is arranged on the side wall of the tail part of the oil inlet, a tangent plane is arranged on the outer wall of the oil outlet, a tangent angle is formed between the tangent plane and the central line of the oil inlet, the tangent angle can be 40 ~ 75 degrees, the flow loss of fluid can be reduced through the tangent angle (see figure 3), a valve seat 13 is further sleeved on.
An O-shaped sealing ring 11 is arranged outside the valve seat to facilitate sealing with the injector installation body, and an outlet at the lower part of the valve seat is in an outward-expanding conical shape and is matched with the bottom of the valve core to form a Laval nozzle structure so as to realize supersonic atomizing injection.
The electromagnetic assembly comprises a magnetizer 14, the magnetizer is sleeved on the outer wall of the valve rod and is provided with a boss protruding inwards, the boss is clamped between the valve core and the valve seat, and a containing cavity of a return spring is formed among the boss, the valve core, the valve seat and the valve rod.
Still set up the coil pack on the magnetizer 14 outer wall, including coil inside lining 7, coil outer lining 8 and set up the coil 9 between coil inside lining and coil outer lining, the coil inside lining cover is established on the outer wall of magnetizer 14, the coil outer lining passes through O type sealing washer 5 seal installation the lower part of sprayer shell.
In this embodiment, the oil-gas mixing chamber is divided into a first-stage mixing chamber and a second-stage mixing chamber by the first-stage mixer 4 and the second-stage mixer 6.
Wherein, the one-level hybrid chamber with the air inlet of suction nozzle with the oil inlet of oil feed nozzle communicates with each other, the gas and the oil that air inlet and oil inlet let in carry out the one-level in the one-level hybrid chamber and mix, enter into the second grade hybrid chamber after finishing mixing, the second grade hybrid chamber still communicates with each other with the air inlet of suction nozzle, the air-oil mixture body after the one-level mixes carries out the second grade once more with the gas that the air inlet came, and the air-oil mixture body after the second grade intensive mixing then passes through the valve rod blowout, wherein, the flow loss of the reducible oil gas of tangential angle that the valve rod oil gas.
As an embodiment of the present embodiment, the first-stage mixer 4 and the second-stage mixer 6 are disposed above and below each other. As shown in fig. 6, the first-stage mixer is cylindrical, and may be cylindrical, square, polygonal, or other special-shaped cylindrical, the upper wall and the peripheral wall of the first-stage mixer are spaced from the oil-gas mixing chamber to form a transition air chamber, and the transition air chamber is directly communicated with the air inlet. The first-stage mixer is provided with a first-stage air hole 43 which penetrates through the first-stage mixer from top to bottom, the side wall of the first-stage mixer is provided with a first-stage oil hole 42, an oil inlet of the oil inlet nozzle directly penetrates through the ejector shell 3 and extends into the first-stage oil hole of the first-stage mixer, and the first-stage oil hole is communicated with the bottom of the first-stage mixer to form an inner oil duct 44 positioned in the first-stage mixer. And a primary mixing chamber 100 is formed between the bottom of the primary mixer and the secondary mixer, and air entering the primary mixing chamber through the primary air hole and oil entering the primary mixing chamber through the inner oil passage are mixed and then flow into the secondary mixing chamber 200.
Referring to fig. 8 and 9, the secondary mixer 6 is bowl-shaped with an opening 62 at the bottom, and the top of the secondary mixer is provided with an outer edge extending outwards, the bowl-shaped part is similar to the conical inner wall of the valve core, but a gap is arranged between the outer wall of the bowl-shaped part and the conical inner wall of the valve core, the lower wall of the outer edge of the secondary mixer is attached to the upper wall of the valve core, a gap is also arranged between the lower wall of the outer edge and the upper wall of the valve core, and a plurality of secondary air holes 61 penetrating up and down are also arranged on the outer edge of the secondary mixer.
The lower part of the first-stage mixer is attached to the inner ring of the outer edge of the second-stage mixer, and forms a first-stage mixing cavity with the bowl-shaped inner wall of the second-stage mixer. The outer edge of the secondary mixer, the outer wall of the primary mixer and the inner wall of the oil-gas mixing chamber form the transition air chamber 300. A secondary mixing cavity is formed between the bowl-shaped outer wall of the secondary mixer and the conical inner wall of the valve core (see figure 2).
Air in the transition gas chamber enters into the second grade hybrid chamber through second grade gas pocket 61, and the oil-gas mixture body through the one-level mixture also enters into the second grade hybrid chamber through the bottom opening 62 of one-level blender and carries out the second grade intensive mixing with the air, and the oil-gas mixture body after the intensive mixing then passes through the valve rod blowout.
The bowl-shaped outer wall of the secondary mixer and the conical inner wall of the valve core form a gap between the bowl-shaped outer wall and the conical inner wall of the valve core by setting different slopes, and the lower wall of the outer edge of the secondary mixer and/or the upper wall of the valve core are/is provided with an inclined surface to form a gap between the bowl-shaped outer wall and the conical inner wall of the valve core.
As one embodiment of this embodiment, the primary mixer is cylindrical, the outer edge of the cylindrical bottom is attached to the inner ring of the upper wall of the outer edge of the secondary mixer without a gap, and it is ensured that the primary air hole is communicated with the transition air cavity and the primary mixing cavity, and the secondary air hole is communicated with the transition air cavity and the secondary mixing cavity.
Referring to fig. 6 and 7 as another embodiment of the present embodiment, a mixing nozzle 41 protruding downward is provided at the bottom of the primary mixer 4, the mixing nozzle has a through hole a46 communicating with the internal oil passage, and a through hole B45 communicating with the primary mixing chamber is provided on a side wall of the through hole a.
One or more of the first-stage oil holes 43 may be provided, and in this embodiment, the number of the first-stage oil holes 43 is 4 in an axial array along the top of the first-stage mixer. One or more through holes B45 may be provided, and in this embodiment, the number of the through holes B45 is 4 along the circumferential array of the outer wall of the mixing nozzle 41.
When the air pressure is larger than the oil pressure, most of the air and oil in the primary mixing cavity are mixed in the mixing nozzle and then enter the primary mixing cavity, and the air and oil are continuously mixed in the primary mixing cavity and then enter the secondary mixing cavity through the bottom opening of the secondary mixer. When the oil pressure is larger than the air pressure, the oil enters the first-stage mixer from the inner oil passage and the through hole B, is mixed with the gas in the first-stage mixer and then enters the second-stage mixer.
In fig. 4, a nozzle electrical connector 24 is attached to the outside of the injector housing, and a nozzle electrical connector 25 is attached to the outside of the nozzle housing. The two installation parts of the electric interface of the air inlet nozzle are respectively arranged at two sides of the air inlet nozzle, and one side of the electric interface can be selected for preventing interference according to actual conditions. The oil inlet nozzle electric structure's installation department also has two, sets up in the both sides of oil inlet nozzle equally, can select one of them side to install for preventing to interfere according to actual conditions.
As another embodiment of the present embodiment, in fig. 5, the injector housing 3 is tightly mounted to a mounting object by a check bolt 23, a spring washer 22 is mounted under the check bolt, and the check is performed by installing a check fuse, wherein the check bolt may be a check bolt in the national military standard GJB122.3-1986 or another type of check bolt.
Adopt the air-oil premixing sprayer of the piston engine of this embodiment, air and oil enter into the air-oil mixing intracavity through admission nozzle and oil inlet nozzle to form two-stage air-oil mixing through one-level blender and the second grade blender in the air-oil mixing intracavity, prolonged air-oil mixing's route and time, increased air-oil mixing frequency, make air-oil mixing more abundant.
More importantly, the injector of the embodiment achieves the effect of fully mixing oil and gas under the condition that the space is not increased and only the first-stage mixer and the second-stage mixer (weight mixing bottom) are additionally arranged. The two-stage oil-gas premixing design is adopted to ensure that the atomization injection effect of the nozzle on various types of fuel oil (especially heavy oil) is improved under the conditions of not increasing the injection penetration distance and oil mist wall collision loss. The method is particularly suitable for aircraft engines with high requirements on weight and space.
And the embodiment also designs a tangential angle at the oil outlet of the valve rod, so that the fluid flow loss can be reduced.
In addition, the design of adjustability of the electrical interface enables the problem of interference of the position of the electrical interface in the installation process of the air entrainment ejector to be effectively solved under the condition that the appearance design scheme is not modified.
This embodiment has still added and has established locking design, and the rigid requirement of installation does: the anti-loosening bolts in the national military standard (GJB 122.3-1986) or anti-loosening bolts of other types can be adopted for fastening and mounting, and the fuse is additionally arranged to prevent the nozzle from loosening and even falling off due to flight vibration of the aircraft engine, so that the working safety of the engine is further ensured.
Claims (16)
1. The utility model provides an aviation is oil gas premixing sprayer for piston engine suitable for multiple oil, includes the sprayer shell be provided with the oil-gas mixing chamber in the sprayer shell, the oil-gas mixing chamber communicates with inlet channel and oil feed passageway respectively, the export and the jet orifice intercommunication of oil-gas mixing chamber, its characterized in that: at least two stages of mixing are arranged in the oil-gas mixing cavity, wherein the oil-gas mixture of the previous stage is mixed with the air of the next stage.
2. The air and gas premixing injector of claim 1 wherein: be provided with one-level hybrid chamber and second grade hybrid chamber in the oil-gas mixing chamber, one-level hybrid chamber and inlet channel's export and oil feed passageway's export intercommunication, second grade hybrid chamber and inlet channel's export and the export intercommunication of one-level hybrid chamber.
3. The air and gas premixing injector of claim 2 wherein: the mixing device comprises a first-stage mixer and a second-stage mixer, wherein a transition air cavity is formed between the first-stage mixer and the inner wall of the oil-gas mixing cavity, a first-stage mixing cavity is formed between the first-stage mixer and the second-stage mixer, and the second-stage mixer is communicated with the transition air cavity and forms a second-stage mixing cavity between the second-stage mixer and the inner wall of the oil-gas mixing cavity.
4. The air and gas premixing injector of claim 3 wherein: the one-level mixer is located the lower part of inlet channel's export, and be equipped with interior oil duct in the one-level mixer, interior oil duct side trompil and with oil inlet nozzle be connected, the one-level mixer still is provided with the one-level gas pocket that runs through from top to bottom.
5. The air and gas premixing injector of claim 3 or 4 wherein: the secondary mixer is a bowl with an opening at the bottom, an outer edge extending outwards is arranged at the top of the bowl, a secondary air hole penetrating through the outer edge is formed in the outer edge, the primary mixer is arranged on the top surface of the secondary mixer and forms a primary mixing cavity with the inner wall of the bowl of the secondary mixer, and the outer wall of the bowl of the secondary mixer and the valve core form a secondary mixing cavity.
6. The air and gas premixing injector of claim 5 wherein: the first-stage mixer is cylindrical, the bottom surface of the first-stage mixer is in contact with the top surface of the second-stage mixer and is sealed, and the second-stage air hole is formed outside the first-stage mixer.
7. The air and gas premixing injector of claim 6 wherein: the bottom surface of the first-stage mixer is also provided with a mixing nozzle protruding downwards, the mixing nozzle is provided with a through hole A communicated with the inner oil duct, and a through hole B communicated with the first-stage mixing cavity is formed in the side wall of the through hole.
8. The air and gas premixing injector of claim 5 wherein: gaps are reserved between the bottom surface of the outer edge of the secondary mixer and the outer side wall of the bowl shape and the valve core.
9. The air and gas premixing injector of claim 6 or 7 wherein: gaps are reserved between the bottom surface of the outer edge of the secondary mixer and the outer side wall of the bowl shape and the valve core.
10. The air and fuel premixing injector of claims 1, 2, 3, 4, 6, 7 or 8 wherein: the injector further comprises a valve rod, the valve rod is provided with a valve hole, one end of the valve hole is communicated with the oil-gas mixing cavity, the other end of the valve hole is provided with an oil outlet, and the outer wall of the oil outlet is provided with a tangential angle.
11. The air and gas premixing injector of claim 5 wherein: the injector further comprises a valve rod, the valve rod is provided with a valve hole, one end of the valve hole is communicated with the oil-gas mixing cavity, the other end of the valve hole is provided with an oil outlet, and the outer wall of the oil outlet is provided with a tangential angle.
12. The air and gas premixing injector of claim 9 wherein: the injector further comprises a valve rod, the valve rod is provided with a valve hole, one end of the valve hole is communicated with the oil-gas mixing cavity, the other end of the valve hole is provided with an oil outlet, and the outer wall of the oil outlet is provided with a tangential angle.
13. The air and gas premixing injector of claims 1, 2, 3, 4, 6, 7, 8, 11 or 12 wherein: the injector shell is tightly installed on an installation object through a check bolt, a spring washer is installed below the check bolt, and check is performed through installing a check fuse, wherein the check bolt adopts a check bolt in the GJB122.3-1986 standard.
14. The air and gas premixing injector of claim 5 wherein: the injector shell is tightly installed on an installation object through a check bolt, a spring washer is installed below the check bolt, and check is performed through installing a check fuse, wherein the check bolt adopts a check bolt in the GJB122.3-1986 standard.
15. The air and gas premixing injector of claim 9 wherein: the injector shell is tightly installed on an installation object through a check bolt, a spring washer is installed below the check bolt, and check is performed through installing a check fuse, wherein the check bolt adopts a check bolt in the GJB122.3-1986 standard.
16. The air and gas premixing injector of claim 10 wherein: the injector shell is tightly installed on an installation object through a check bolt, a spring washer is installed below the check bolt, and check is performed through installing a check fuse, wherein the check bolt adopts a check bolt in the GJB122.3-1986 standard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920490618.9U CN209838575U (en) | 2019-04-12 | 2019-04-12 | Oil-gas premixing ejector for aviation piston engine suitable for various kinds of oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920490618.9U CN209838575U (en) | 2019-04-12 | 2019-04-12 | Oil-gas premixing ejector for aviation piston engine suitable for various kinds of oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320695A (en) * | 2021-12-20 | 2022-04-12 | 上海工程技术大学 | Air entrainment jet atomization gas nozzle |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320695A (en) * | 2021-12-20 | 2022-04-12 | 上海工程技术大学 | Air entrainment jet atomization gas nozzle |
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Address after: Building 14, No. 126, Yunan Avenue, Banan District, Chongqing Patentee after: Chongqing Zongshen Aviation Engine Manufacturing Co.,Ltd. Address before: Building 14, No. 126, Yunan Avenue, Banan District, Chongqing Patentee before: CHONGQING ZONGSHEN AIRCRAFT ENGINE MANUFACTURING CO.,LTD. |