CN115929527A - Air-assisted injection device suitable for aviation heavy oil - Google Patents

Air-assisted injection device suitable for aviation heavy oil Download PDF

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Publication number
CN115929527A
CN115929527A CN202310035907.0A CN202310035907A CN115929527A CN 115929527 A CN115929527 A CN 115929527A CN 202310035907 A CN202310035907 A CN 202310035907A CN 115929527 A CN115929527 A CN 115929527A
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China
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oil
air
mounting hole
communicated
nozzle
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CN202310035907.0A
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Chinese (zh)
Inventor
赵振峰
熊竞一
杜冰轩
王蕾
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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Priority to CN202310035907.0A priority Critical patent/CN115929527A/en
Publication of CN115929527A publication Critical patent/CN115929527A/en
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Abstract

The invention discloses an air auxiliary injection device suitable for aviation heavy oil, which relates to the technical field of internal combustion engines and comprises an integrated module, wherein an oil inlet hole, an air leading hole, an air pressure regulating valve mounting hole, an oil-gas differential pressure valve mounting hole, a metering oil nozzle mounting hole and an air auxiliary nozzle mounting hole are formed in the integrated module, the oil inlet hole is communicated with the metering oil nozzle mounting hole through an oil duct, the oil duct is communicated with the oil-gas differential pressure valve mounting hole through an oil leading duct, the air inlet hole is communicated with the air auxiliary nozzle mounting hole through an air passage, the air passage is communicated with the air pressure regulating valve mounting hole through the air leading passage and used for conveying auxiliary gas to an air inlet of the air pressure regulating valve, and the air leading hole communicated with the air passage is used for being communicated with a gas leading pipe of the oil-gas differential pressure valve, so that high-quality atomization of heavy oil fuel can be realized, and the operation of an aviation heavy oil engine is more stable.

Description

Air-assisted injection device suitable for aviation heavy oil
Technical Field
The invention relates to the technical field of internal combustion engines, in particular to an air auxiliary injection device suitable for aviation heavy oil.
Background
The medium and small unmanned aerial vehicles are generally powered by ignition type aviation piston gasoline engines, and the fuel of the ignition type aviation piston engines is gradually changed from gasoline to aviation heavy oil from the safety consideration in the processes of fuel storage, transportation and use; because the kinematic viscosity of heavy oil fuel is much larger than that of gasoline, the rapid atomization is a big problem faced by heavy oil engines; the traditional gasoline engine injection system is not enough to realize high-quality atomization of heavy oil fuel due to lower oil injection pressure; the high-pressure injection of the traditional diesel engine has the defects that the high injection pressure is too high, the cylinder diameter of a low-power engine is small, the wall wetting by the spray is easily caused, the wall attachment combustion is caused, and the high-quality atomization of heavy oil fuel cannot be well realized; therefore, a high quality atomized injection device is very urgent for a spark ignition type heavy oil engine.
Disclosure of Invention
The invention aims to provide an air auxiliary injection device suitable for aviation heavy oil, which is used for solving the problems in the prior art and realizing high-quality atomization of heavy oil fuel, so that an aviation heavy oil engine can run more stably.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an air auxiliary injection device suitable for aviation heavy oil, which comprises an integrated module, wherein an oil inlet hole, an air guide hole, an air pressure regulating valve mounting hole, an oil-gas differential pressure valve mounting hole, a metering oil nozzle mounting hole and an air auxiliary nozzle mounting hole are formed in the integrated module, the oil inlet hole is communicated with the metering oil nozzle mounting hole through an oil duct and used for conveying fuel oil into an oil inlet of a metering oil nozzle, the oil duct is communicated with the oil-gas differential pressure valve mounting hole through an oil guide duct and used for conveying fuel oil to an oil inlet of an oil-gas differential pressure valve, the air inlet hole is communicated with the air auxiliary nozzle mounting hole through an air passage and used for conveying auxiliary gas to an air inlet of an air auxiliary nozzle, the air passage is communicated with the air pressure regulating valve mounting hole through an air guide passage and used for communicating with an air guide pipe of the oil-gas differential pressure valve.
Preferably, still include air pressure regulating valve, oil gas differential pressure valve, measurement fuel sprayer and air assisted spray nozzle, air pressure regulating valve installs in the air pressure regulating valve mounting hole, the oil gas differential pressure valve is installed in the oil gas differential pressure valve mounting hole, the measurement fuel sprayer is installed in the measurement fuel sprayer mounting hole, the air assisted spray nozzle is installed in the air assisted spray nozzle mounting hole, the bleed pipe of oil gas differential pressure valve pass through the trachea with bleed hole intercommunication.
Preferably, the integrated module is further provided with an oil return channel and an air release channel, one end of the oil return channel is communicated with the oil-out discharging fuel oil of the oil-gas differential pressure valve, the oil-gas differential pressure valve mounting hole is used for communicating the oil-out discharging fuel oil of the oil-gas differential pressure valve, the other end of the oil return channel is used for communicating the fuel tank, and one end of the air release channel is communicated with the air pressure regulating valve mounting hole and used for discharging auxiliary gas from the air outlet of the air pressure regulating valve.
Preferably, the integrated module is further provided with an accommodating cavity for accommodating the swirler, and two ends of the accommodating cavity are respectively communicated with the metering oil nozzle mounting hole and the air auxiliary nozzle mounting hole.
Preferably, the fuel injection device further comprises a swirler, the swirler is installed in the accommodating cavity, an input end of the swirler is used for being communicated with an oil injection end of the metering oil injector, and an output end of the swirler is used for being communicated with an oil inlet end of the air auxiliary nozzle.
Preferably, an oil pressure sensor mounting hole communicated with the oil passage is further formed in the integrated module.
Preferably, the oil pressure sensor is arranged in the oil pressure sensor mounting hole.
Preferably, the axis of the air pressure regulating valve mounting hole and the axis of the oil-gas differential pressure valve mounting hole are perpendicular to the axis of the metering oil nozzle mounting hole, the air pressure regulating valve mounting hole and the oil-gas differential pressure valve mounting hole are respectively arranged on two sides of the metering oil nozzle mounting hole, and the axis of the metering oil nozzle mounting hole and the axis of the air auxiliary nozzle mounting hole are perpendicular to each other and are located in the same plane.
Preferably, the axis of the metering oil nozzle mounting hole coincides with the axis of the air guide hole, the axis of the oil return passage is perpendicular to the axis of the oil passage, and the axis of the air discharge passage is perpendicular to the axis of the air passage.
Preferably, the oil-gas metering and oil-gas differential pressure valve further comprises a first pressing plate and a second pressing plate, the first pressing plate is fixed on the integrated module through a first fastener and used for fixing the air pressure regulating valve and the oil-gas differential pressure valve, the second pressing plate is fixed on the integrated module through a second fastener and used for fixing the metering oil nozzle, a plurality of integrated module mounting holes are uniformly distributed in the integrated module, and the integrated module is fixed on a cylinder cover of an engine through bolts.
Compared with the prior art, the invention has the following technical effects:
the invention provides an air auxiliary injection device suitable for aviation heavy oil, after fuel oil enters an oil duct from an oil inlet, a part of the fuel oil enters a metering oil nozzle arranged in a metering oil nozzle mounting hole and is filled with a cavity in the metering oil nozzle, the other part of the fuel oil enters an oil-gas differential pressure valve arranged in an oil-gas differential pressure valve mounting hole through an oil guide duct, when the oil pressure exceeds a set value, the oil-gas differential pressure valve works to discharge a part of the fuel oil so as to achieve the purpose of regulating the fuel oil pressure, and the metering oil nozzle injects the fuel oil in the metering oil nozzle into a premixing cavity in the air auxiliary nozzle; after auxiliary air enters the air passage from the air inlet, part of the auxiliary air enters an air auxiliary nozzle arranged in an air auxiliary nozzle mounting hole and fills a premixing cavity in the air auxiliary nozzle, so that fuel oil and auxiliary air are mixed, part of the auxiliary air enters an air pressure regulating valve arranged in an air pressure regulating valve mounting hole through an air guide passage, and when the air pressure exceeds a set value, the air pressure regulating valve works to discharge part of the auxiliary air so as to achieve the purpose of regulating the pressure of the auxiliary air; the bleed hole communicates with the bleed pipe of oil gas differential pressure valve to guarantee the invariant of fuel pressure and auxiliary gas pressure difference, auxiliary air pressure is injectd to the atmospheric pressure governing valve, make atmospheric pressure maintain at preset numerical value, oil gas differential pressure valve injects fuel pressure, make the oil pressure of fuel be higher than auxiliary gas's atmospheric pressure all the time and predetermine numerical value, auxiliary gas and fuel mix at the inside premixing chamber of air assisted nozzle under this state, can realize heavy oil fuel's high-quality atomizing, thereby make aviation heavy oil engine's operation more steady.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an isometric view of an air-assisted sprayer for aviation heavy oil according to the present invention;
FIG. 2 is a top view of an air-assisted spray device suitable for aviation heavy oil according to the present invention;
FIG. 3 is a side view of an air-assisted spray device suitable for aviation heavy oil provided by the present invention;
FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 6 is a cross-sectional view of C-C of FIG. 2;
FIG. 7 is a cross-sectional view taken along line D-D of FIG. 3;
FIG. 8 is a cross-sectional view of E-E in FIG. 2;
in the figure: 1-an oil inlet hole, 2-an oil return channel, 3-an air guide hole, 4-an air inlet hole, 5-an integrated module mounting hole, 6-a first pressing plate, 7-an integrated module, 8-an air discharge channel, 9-a second pressing plate, 10-a first fastener, 11-an oil-gas differential pressure valve mounting hole, 12-a second fastener, 13-an oil channel, 14-an air channel, 15-a metering oil nozzle mounting hole, 16-an air auxiliary nozzle mounting hole, 17-an air pressure regulating valve mounting hole, 18-an oil pressure sensor mounting hole, 19-an air guide channel, 20-an oil guide channel and 21-an accommodating cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an air auxiliary injection device suitable for aviation heavy oil, which is used for solving the problems in the prior art and realizing high-quality atomization of heavy oil fuel, so that an aviation heavy oil engine can run more stably.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides an air auxiliary injection device suitable for aviation heavy oil, as shown in figures 1-8, the air auxiliary injection device suitable for aviation heavy oil comprises an integrated module 7, an air pressure regulating valve, an oil-gas differential pressure valve, a metering oil nozzle and an air auxiliary nozzle, wherein an oil inlet hole 1, an air inlet hole 4, an air bleeding hole 3, an air pressure regulating valve mounting hole 17, an oil-gas differential pressure valve mounting hole 11, a metering oil nozzle mounting hole 15 and an air auxiliary nozzle mounting hole 16 are arranged on the integrated module 7, the air pressure regulating valve is mounted in the air pressure regulating valve mounting hole 17, the oil-gas differential pressure valve is mounted in the oil-gas differential pressure valve mounting hole 11, the metering oil nozzle is mounted in the metering oil nozzle mounting hole 15, the air auxiliary nozzle is mounted in the air auxiliary nozzle mounting hole 16, the oil inlet hole 1 is communicated with the metering oil nozzle mounting hole 15 through an oil duct 13 for delivering fuel oil into the oil inlet of the metering oil nozzle, the oil duct 13 is communicated with the oil-gas differential pressure valve mounting hole 11 through an oil duct 20 for delivering fuel to an oil inlet of the oil-gas differential pressure valve, the air inlet hole 4 is communicated with the air auxiliary nozzle mounting hole 16 through an auxiliary gas delivery auxiliary gas for delivering auxiliary gas to the air inlet of the air auxiliary nozzle, the air intake hole 14 and the air duct 14 through an air guiding valve 19 and the air duct 17, and the air auxiliary nozzle is communicated with the air duct 14 for delivering auxiliary nozzle.
Specifically, the air pressure regulating valve, the oil-gas differential pressure valve, the metering oil nozzle and the air auxiliary nozzle are all the prior art and can be purchased in the market; the metering oil nozzle is a common metering oil nozzle.
In the specific implementation process, after fuel enters the oil duct 13 from the oil inlet hole 1, a part of the fuel enters a metering fuel injection nozzle installed in a metering fuel injection nozzle installation hole 15 and is filled with a cavity inside the metering fuel injection nozzle, the other part of the fuel enters an oil-gas differential pressure valve installed in an oil-gas differential pressure valve installation hole 11 through an oil guide duct 20, when the oil pressure exceeds a set value, the oil-gas differential pressure valve works to discharge a part of the fuel so as to achieve the purpose of adjusting the fuel pressure, and the metering fuel injection nozzle injects the fuel in the metering fuel injection nozzle into a premixing cavity inside an air auxiliary nozzle; after the auxiliary air enters the air passage 14 from the air inlet hole 4, a part of the auxiliary air enters an air auxiliary nozzle installed in an air auxiliary nozzle installation hole 16 and fills a premixing cavity inside the air auxiliary nozzle, so that fuel oil and the auxiliary air are mixed, a part of the auxiliary air enters an air pressure regulating valve installed in an air pressure regulating valve installation hole 17 through a gas guide passage 19, and when the air pressure exceeds a set value, the air pressure regulating valve works to discharge a part of the auxiliary air so as to achieve the purpose of regulating the pressure of the auxiliary air; the air-bleed hole 3 is communicated with a bleed pipe of the oil-gas differential pressure valve to ensure the constant difference value between the fuel oil pressure and the auxiliary gas pressure, the air pressure regulating valve limits the auxiliary air pressure to maintain the air pressure at a preset value, the oil-gas differential pressure valve limits the fuel oil pressure to enable the oil pressure of the fuel oil to be always higher than the air pressure of the auxiliary gas by the preset value, the auxiliary gas and the fuel oil are mixed in a premixing cavity in the air auxiliary nozzle under the state, high-quality atomization of heavy oil fuel can be realized, and the air auxiliary nozzle sprays the mixture into the cylinder for combustion, so that the operation of the aviation heavy oil engine is more stable; the air-assisted injection device suitable for aviation heavy oil is low in injection pressure, not prone to leakage and high in safety, meanwhile, the air-assisted injection device can be suitable for being installed on engines with medium and small discharge capacities, and the problem that a high-pressure injection device cannot be installed on engines of medium and small unmanned aerial vehicles due to the fact that air rail assemblies are heavy is solved.
It is worth noting that when the heavy oil engine is composed of a plurality of cylinders, each cylinder can be provided with the air auxiliary injection device suitable for aviation heavy oil, so that heavy oil fuel in each cylinder of the heavy oil engine can be atomized in high quality, the running stability of each cylinder is realized, and the running of the whole heavy oil engine is more stable.
Further, an oil return channel 2 and an air release channel 8 are further arranged on the integrated module 7, one end of the oil return channel 2 is communicated with an oil-gas differential pressure valve mounting hole 11 and used for discharging fuel oil from an oil outlet of an oil-gas differential pressure valve, the other end of the oil return channel 2 is used for being communicated with a fuel tank, one end of the air release channel 8 is communicated with an air pressure regulating valve mounting hole 17 and used for discharging auxiliary gas from an air outlet of an air pressure regulating valve, and the other end of the air release channel 3 is communicated with an atmospheric environment or a one-way exhaust valve.
Furthermore, the integrated module 7 is further provided with an accommodating cavity 21 for accommodating the swirler, and two ends of the accommodating cavity 21 are respectively communicated with the metering oil nozzle mounting hole 15 and the air auxiliary nozzle mounting hole 16.
Furthermore, the fuel injection device also comprises a swirler which is arranged in the accommodating cavity 21, the input end of the swirler is communicated with the fuel injection end of the metering fuel injection nozzle, and the output end of the swirler is communicated with the fuel inlet end of the air auxiliary nozzle.
In the specific implementation process, the fuel oil with specific pressure is sprayed out by the metering fuel spray nozzle in a pencil flow mode, and the fuel oil enters the premixing cavity in the air auxiliary nozzle through the swirler.
Further, an oil pressure sensor mounting hole 18 communicating with the oil passage 13 is also provided on the integrated module 7.
Further, an oil pressure sensor is included, and the oil pressure sensor is mounted in the oil pressure sensor mounting hole 18.
In a specific implementation, the oil pressure sensor mounting hole 18 is used for mounting an oil pressure sensor to monitor oil pressure in real time.
Further, the axis of the air pressure regulating valve mounting hole 17 and the axis of the oil-gas differential pressure valve mounting hole 11 are perpendicular to the axis of the metering oil nozzle mounting hole 15, the air pressure regulating valve mounting hole 17 and the oil-gas differential pressure valve mounting hole 11 are respectively arranged on two sides of the metering oil nozzle mounting hole 15, and the axis of the metering oil nozzle mounting hole 15 and the axis of the air auxiliary nozzle mounting hole 16 are perpendicular to each other and located in the same plane.
Further, the axis of the metering oil nozzle mounting hole 15 coincides with the axis of the bleed air hole, the axis of the oil return channel 2 is perpendicular to the axis of the oil channel 13, and the axis of the bleed air channel 8 is perpendicular to the axis of the air channel 14.
Further, still include first clamp plate 6 and second clamp plate 9, first clamp plate 6 is fixed through first fastener 10 and is used for fixed air pressure regulating valve and oil gas differential pressure valve on the integrated module 7, second clamp plate 9 is fixed through second fastener 12 and is used for fixed measurement fuel sprayer on the integrated module 7, the equipartition has a plurality of integrated module 7 mounting holes 5 on the integrated module 7, a plurality of integrated module 7 mounting holes 5 are used for passing through the bolt fastening with integrated module 7 on the cylinder cap of engine, the quantity of integrated module 7 mounting holes 5 is 2 ~ 5, preferably 2.
Specifically, the first fastener 10 and the second fastener 12 are both bolts.
In summary, the air-assisted injection device suitable for aviation heavy oil in the above embodiment employs the air pressure regulating valve to limit the auxiliary air pressure, so that the air pressure is maintained at the preset value, the oil-gas differential valve limits the fuel oil pressure, so that the oil pressure of the fuel oil is always higher than the air pressure of the auxiliary gas by the preset value, the auxiliary gas and the fuel oil are mixed in the premixing cavity inside the air-assisted nozzle in this state, so as to realize high-quality atomization of the heavy oil fuel, and the air-assisted nozzle injects the mixture into the cylinder for combustion, thereby making the operation of the aviation heavy oil engine more stable.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. The utility model provides an air assisted injection apparatus suitable for aviation heavy oil which characterized in that: the method comprises the following steps: the integrated module is provided with an oil inlet hole, an air guide hole, an air pressure regulating valve mounting hole, an oil-gas differential pressure valve mounting hole, a metering oil nozzle mounting hole and an air auxiliary nozzle mounting hole, wherein the oil inlet hole is communicated with the metering oil nozzle mounting hole through an oil duct and is used for conveying fuel oil into an oil inlet of a metering oil nozzle, the oil duct is communicated with the oil-gas differential pressure valve mounting hole through an oil guide duct and is used for conveying fuel oil into an oil inlet of the oil-gas differential pressure valve, the air inlet hole is communicated with the air auxiliary nozzle mounting hole through an air passage and is used for conveying auxiliary gas to an air inlet of the air auxiliary nozzle, the air passage is communicated with the air pressure regulating valve mounting hole through an air guide passage and is used for being communicated with an air guide pipe of the oil-gas differential pressure valve.
2. An air-assisted sprayer for airborne heavy oil as recited in claim 1, wherein: still include air pressure regulating valve, oil gas differential pressure valve, measurement fuel sprayer and air assisted spray nozzle, air pressure regulating valve installs in the air pressure regulating valve mounting hole, the oil gas differential pressure valve is installed in the oil gas differential pressure valve mounting hole, the measurement fuel sprayer is installed in the measurement fuel sprayer mounting hole, air assisted spray nozzle installs in the air assisted spray nozzle mounting hole, the bleed pipe of oil gas differential pressure valve pass through the trachea with bleed hole intercommunication.
3. An air-assisted sprayer for airborne heavy oil as recited in claim 1, wherein: the integrated module is further provided with an oil return channel and an air release channel, one end of the oil return channel is communicated with the oil-gas differential pressure valve mounting hole and used for discharging fuel oil from an oil outlet of the oil-gas differential pressure valve, the other end of the oil return channel is communicated with a fuel tank, and one end of the air release channel is communicated with the air pressure regulating valve mounting hole and used for discharging auxiliary gas from an air outlet of the air pressure regulating valve.
4. The air-assisted jetting apparatus suitable for aviation heavy oil of claim 1, wherein: the integrated module is further provided with a containing cavity for containing the swirler, and two ends of the containing cavity are communicated with the metering oil nozzle mounting hole and the air auxiliary nozzle mounting hole respectively.
5. The air-assisted jetting apparatus suitable for aviation heavy oil of claim 4, wherein: the oil injection metering device is characterized by further comprising a swirler, wherein the swirler is installed in the containing cavity, the input end of the swirler is used for being communicated with the oil injection end of the metering oil injection nozzle, and the output end of the swirler is used for being communicated with the oil inlet end of the air auxiliary nozzle.
6. The air-assisted jetting apparatus suitable for aviation heavy oil of claim 1, wherein: and the integrated module is also provided with an oil pressure sensor mounting hole communicated with the oil duct.
7. The air-assisted jetting apparatus suitable for aviation heavy oil of claim 6, wherein: the oil pressure sensor is arranged in the oil pressure sensor mounting hole.
8. An air-assisted sprayer for airborne heavy oil as recited in claim 1, wherein: the axis of the air pressure regulating valve mounting hole and the axis of the oil-gas differential pressure valve mounting hole are perpendicular to the axis of the metering oil nozzle mounting hole, the air pressure regulating valve mounting hole and the oil-gas differential pressure valve mounting hole are respectively arranged on two sides of the metering oil nozzle mounting hole, and the axis of the metering oil nozzle mounting hole and the axis of the air auxiliary nozzle mounting hole are perpendicular to each other and are located in the same plane.
9. The air-assisted jetting apparatus suitable for aviation heavy oil of claim 3, wherein: the axis of the metering oil nozzle mounting hole is superposed with the axis of the air guide hole, the axis of the oil return passage is perpendicular to the axis of the oil passage, and the axis of the air discharge passage is perpendicular to the axis of the air passage.
10. An air-assisted sprayer for airborne heavy oil as recited in claim 1, wherein: the oil-gas metering oil nozzle is characterized by further comprising a first pressing plate and a second pressing plate, the first pressing plate is fixed to the integrated module through a first fastener and used for fixing the air pressure regulating valve and the oil-gas differential pressure valve, the second pressing plate is fixed to the integrated module through a second fastener and used for fixing the metering oil nozzle, a plurality of integrated module mounting holes are evenly distributed in the integrated module, and the integrated module is fixed to a cylinder cover of an engine through bolts.
CN202310035907.0A 2023-01-10 2023-01-10 Air-assisted injection device suitable for aviation heavy oil Pending CN115929527A (en)

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Application Number Priority Date Filing Date Title
CN202310035907.0A CN115929527A (en) 2023-01-10 2023-01-10 Air-assisted injection device suitable for aviation heavy oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310035907.0A CN115929527A (en) 2023-01-10 2023-01-10 Air-assisted injection device suitable for aviation heavy oil

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CN115929527A true CN115929527A (en) 2023-04-07

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108757255A (en) * 2018-05-29 2018-11-06 重庆隆鑫发动机有限公司 Heavy fuel burning engine fuel injection equipment (FIE) and aero-engine
US20190101088A1 (en) * 2016-03-23 2019-04-04 Orbital Australia Pty Ltd Fuel injection system
CN111120174A (en) * 2020-01-09 2020-05-08 无锡雅佳德音科技有限公司 Fuel injection integrated control system
CN211448872U (en) * 2020-01-09 2020-09-08 无锡雅佳德音科技有限公司 Air-assisted fuel injection integrated control system
CN212454665U (en) * 2020-07-02 2021-02-02 重庆宗申航空发动机制造有限公司 Integrated form air entrainment sprayer
CN213953788U (en) * 2020-08-28 2021-08-13 广西银翼动力科技有限公司 Integrated structure of fuel air guide rail of gas-clamping direct injection system
CN217999763U (en) * 2022-09-20 2022-12-09 北京北航天宇长鹰无人机科技有限公司 Integrated block and air-assisted fuel injection system using same
CN218235325U (en) * 2022-05-07 2023-01-06 广西银翼动力科技有限公司 Fuel pressure adjusting structure for gas-trapping direct injection engine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190101088A1 (en) * 2016-03-23 2019-04-04 Orbital Australia Pty Ltd Fuel injection system
CN108757255A (en) * 2018-05-29 2018-11-06 重庆隆鑫发动机有限公司 Heavy fuel burning engine fuel injection equipment (FIE) and aero-engine
CN111120174A (en) * 2020-01-09 2020-05-08 无锡雅佳德音科技有限公司 Fuel injection integrated control system
CN211448872U (en) * 2020-01-09 2020-09-08 无锡雅佳德音科技有限公司 Air-assisted fuel injection integrated control system
CN212454665U (en) * 2020-07-02 2021-02-02 重庆宗申航空发动机制造有限公司 Integrated form air entrainment sprayer
CN213953788U (en) * 2020-08-28 2021-08-13 广西银翼动力科技有限公司 Integrated structure of fuel air guide rail of gas-clamping direct injection system
CN218235325U (en) * 2022-05-07 2023-01-06 广西银翼动力科技有限公司 Fuel pressure adjusting structure for gas-trapping direct injection engine
CN217999763U (en) * 2022-09-20 2022-12-09 北京北航天宇长鹰无人机科技有限公司 Integrated block and air-assisted fuel injection system using same

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