CN112901565A - Novel fluid ejector - Google Patents
Novel fluid ejector Download PDFInfo
- Publication number
- CN112901565A CN112901565A CN202110300910.1A CN202110300910A CN112901565A CN 112901565 A CN112901565 A CN 112901565A CN 202110300910 A CN202110300910 A CN 202110300910A CN 112901565 A CN112901565 A CN 112901565A
- Authority
- CN
- China
- Prior art keywords
- fluid
- engine
- novel
- ejector
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 200
- 238000005507 spraying Methods 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- 230000003321 amplification Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 7
- 239000000446 fuel Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/36—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto having an ejector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/38—Introducing air inside the jet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/466—Arrangements of nozzles with a plurality of nozzles arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/48—Control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention belongs to the field of fluid power, and particularly relates to a novel fluid ejector. The fluid amplifying device consists of a porous tail spraying cover, a high-pressure fluid connecting pipe and a fluid amplifier; the multi-hole tail spraying cover is arranged at one end of the fluid spraying device, and a plurality of holes are formed in the multi-hole tail spraying cover; one end of the high-pressure fluid connecting pipe is communicated with the hole, and the other end of the high-pressure fluid connecting pipe is communicated with the fluid amplifier. The invention provides a novel fluid ejector, which improves the structure of the existing fluid ejector to realize the multiple improvement of the ejection flow of the fluid ejector, and the surface of the shell of the whole fluid ejector and ejected fluid can be cooled.
Description
Technical Field
The invention belongs to the field of fluid power, and particularly relates to a novel fluid ejector.
Background
The existing fluid injectors such as a gas compressor, a turbojet engine, an electronic fuel injection engine, a chemical reaction jet, a propeller, a high-pressure water injector, a high-pressure water pump and the like have the fluid injection quantity limited by product power or fuel consumption, and finally, a bottleneck exists that a limit value cannot be increased any more, so that the fluid injection quantity needs to be increased under the condition of not increasing power or fuel consumption, and meanwhile, the injection quantity is adjustable; in addition, many existing fluid injectors require both cooling of the injector housing and cooling of the fluid being ejected.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a novel fluid ejector. The invention is realized by the following technical scheme:
a novel fluid ejector comprises a fluid ejecting device and a fluid amplifying device, wherein the fluid amplifying device consists of a porous tail ejecting cover, a high-pressure fluid connecting pipe and a fluid amplifier; the multi-hole tail spraying cover is arranged at one end of the fluid spraying device, and a plurality of holes are formed in the multi-hole tail spraying cover; one end of the high-pressure fluid connecting pipe is communicated with the hole, and the other end of the high-pressure fluid connecting pipe is communicated with the fluid amplifier.
The fluid injection device is preferably a fluid injector 1, the fluid injector 1 further increases the fluid pressure due to the fact that the flow area is reduced after high-pressure fluid ejected from the tail part passes through holes in the multi-hole tail injection cover 2, the high-pressure fluid enters the fluid amplifier 4 through the high-pressure fluid connecting pipe 3, the fluid amplifier 4 sucks multiple times of fluid from the periphery due to the coanda effect and then is mixed with the high-pressure fluid entering the fluid injector 1 to be ejected, a jet fluid with a larger flow rate is formed, and meanwhile the shell and the jet fluid of the fluid injector 1 can be cooled.
The high-pressure fluid entering from the high-pressure fluid connecting pipe 3 connected to the fluid amplifier 4 can be gas or liquid, the fluid sucked by the fluid amplifier 4 through drainage from the periphery can be gas or liquid, the high-pressure fluid and the fluid sucked through drainage can be different, and the mixed fluid sprayed from the fluid amplifier 4 can be gas, liquid or a gas-liquid mixture.
The high-pressure fluid connecting pipe is communicated with the hole through the conical cavity, one end of the conical tip of the conical cavity is communicated with the high-pressure fluid connecting pipe, and one end of the conical bottom is communicated with the hole.
The number of the holes is at least three, and the number of the high-pressure fluid connecting pipes and the number of the fluid amplifiers correspond to the number of the holes; the fluid amplifier is an air amplifier or an optimized and improved structure of the air amplifier.
The fluid injection device is one of a gas compressor, a chemical reaction explosion generating device, an engine, a pulse ramjet, a gas turbine, a turbojet, a ramjet, a pulse jet, a propeller, a high-pressure water sprayer, a high-pressure water pump and a propeller, and the engine is one of an electronic injection engine, a rocket engine, a turbofan engine, a turboprop engine, a piston propeller engine, a turboprop engine, a turborocket engine, an inside and outside culvert engine, a ducted fan engine and a propeller fan engine.
The guide cylinder is cylindrical and is arranged on the fluid injection device through a connecting rod and wraps the fluid injection device and the fluid amplification device; the opening of one end of the guide cylinder, which wraps the fluid injection device, is a vacuum suction port, and the opening of one end of the guide cylinder, which wraps the fluid amplification device, is a main nozzle. The fluid sprayed out of the shell of the fluid sprayer 1, the guide cylinder 7 and the main nozzle 9 can be cooled.
The vacuum suction port is not arranged coaxially with the fluid ejection device. By changing the structure, the fluid inlet of the guide cylinder 7, namely the vacuum suction opening 10 can be in any position and in any direction, so as to realize different requirements and functions.
The porous tail spraying cover is also provided with a fluid outlet pipe, and the fluid outlet pipe is provided with a discharge regulating valve. The fluid pressure in the high-pressure fluid connecting pipe 3 can be adjusted by adjusting the discharge flow adjusting valve 6, so that the fluid suction amount of the fluid amplifier 4 is adjusted, and the function of adjusting and controlling the flow of the main nozzle 9 is achieved.
The vacuum suction port and the main nozzle are connected with movable steering pipes, and the movable steering pipes are made into a steerable structure, so that different air intake and air injection directions are controlled to meet various requirements.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a novel fluid ejector, which improves the structure of the existing fluid ejector to realize the multiple improvement of the ejection flow of the fluid ejector, and the surface of the shell of the whole fluid ejector and ejected fluid can be cooled. The invention designs the tail nozzle of the existing fluid ejector in a sealing way into a multi-hole tail ejection cover, each small ejection hole on the tail ejection cover is connected with a fluid amplifier through a pipeline, and high-pressure fluid ejected by the fluid ejector enters each fluid amplifier through each pipeline and then can suck more fluid from the periphery, so that the fluid is amplified by multiple times at the final ejection hole of the device, the amplification amount can reach 3-25 times, even more, and the enhancement effect of amplifying the ejection flow of the original fluid ejector by multiple times without increasing energy consumption is realized. The invention can be used as a vacuum generating device, or as a device for obtaining high-flow high-pressure jet fluid, or as a high-energy power device.
Drawings
FIG. 1 is a schematic diagram of a fluid ejector configuration;
FIG. 2 is a schematic diagram of a fluid injector having a conical cavity;
FIG. 3 is a schematic view of a fluid injector having a fluid outlet tube;
FIG. 4 is a schematic diagram of a fluid injector with a guide shell;
FIG. 5 is a schematic view of a fluid ejector mechanism with a fluid outlet tube and a guide shell;
FIGS. 6 and 7 are schematic views of the structure of a fluid ejection device in which the vacuum suction port is not arranged coaxially with the fluid ejection device;
FIGS. 8-11 are schematic views of a fluid injector constructed to be steerable by a movable steering tube;
in the figure: the device comprises a fluid ejector 1, a porous tail spray cover 2, a high-pressure fluid connecting pipe 3, a fluid amplifier 4, a fluid outlet pipe 5, a discharge flow regulating valve 6, a guide cylinder 7, a connecting rod 8, a main nozzle 9, a vacuum suction port 10 and a conical cavity 11.
Detailed Description
The invention is further illustrated by the following figures and examples, without however restricting the scope of the invention to these examples.
Example 1
As shown in fig. 1, a novel fluid injector comprises a fluid injection device and a fluid amplification device, wherein the fluid amplification device consists of a porous tail spray cover, a high-pressure fluid connecting pipe and a fluid amplifier; the multi-hole tail spraying cover is arranged at one end of the fluid spraying device, and a plurality of holes are formed in the multi-hole tail spraying cover; one end of the high-pressure fluid connecting pipe is communicated with the hole, and the other end of the high-pressure fluid connecting pipe is communicated with the fluid amplifier. The number of the holes is three, and the number of the high-pressure fluid connecting pipes and the number of the fluid amplifiers correspond to the number of the holes; the fluid amplifier is an air amplifier. The fluid injection device is a turbofan engine.
Example 2
As shown in FIG. 2, the high-pressure fluid connecting pipe is communicated with the hole through the conical cavity, one end of the conical tip of the conical cavity is communicated with the high-pressure fluid connecting pipe, and one end of the conical bottom is communicated with the hole. The number of the holes is 18, and the number of the high-pressure fluid connecting pipes and the number of the fluid amplifiers correspond to the number of the holes; the fluid amplifier is an optimized and improved structure of an air amplifier. The fluid injection device is a compressor. The rest is the same as example 1.
Example 3
As shown in fig. 3, in the novel fluid injector, there are 36 holes, and the number of the high-pressure fluid connecting pipes and the number of the fluid amplifiers correspond to the number of the holes; the fluid amplifier is an air amplifier. The fluid injection device is an electronic fuel injection engine. The porous tail spraying cover is also provided with a fluid outlet pipe, and the fluid outlet pipe is provided with a discharge regulating valve. The rest is the same as example 1.
Example 4
As shown in fig. 4, the number of the holes is 24, and the fluid injection device is a chemical reaction explosion generating device. The guide cylinder is cylindrical and is arranged on the fluid injection device through a connecting rod and wraps the fluid injection device and the fluid amplification device; the opening of one end of the guide cylinder, which wraps the fluid injection device, is a vacuum suction port, and the opening of one end of the guide cylinder, which wraps the fluid amplification device, is a main nozzle. The rest is the same as example 1.
Example 5
As shown in fig. 5, the number of the holes is 66, and the fluid injection device is a piston propeller engine. The guide cylinder is cylindrical and is arranged on the fluid injection device through a connecting rod and wraps the fluid injection device and the fluid amplification device; the opening of one end of the guide cylinder, which wraps the fluid injection device, is a vacuum suction port, and the opening of one end of the guide cylinder, which wraps the fluid amplification device, is a main nozzle. The porous tail spraying cover is also provided with a fluid outlet pipe, and the fluid outlet pipe is provided with a discharge regulating valve. The rest is the same as example 1.
Example 6
As shown in fig. 6, the number of the holes is 21, and the fluid injection device is a turboprop. The guide cylinder is cylindrical and is arranged on the fluid injection device through a connecting rod and wraps the fluid injection device and the fluid amplification device; the opening of one end of the guide cylinder, which wraps the fluid injection device, is a vacuum suction port, and the opening of one end of the guide cylinder, which wraps the fluid amplification device, is a main nozzle. The vacuum suction port is not arranged coaxially with the fluid ejection device. By changing the structure, the fluid inlet of the guide cylinder 7, namely the vacuum suction opening 10 can be in any position and in any direction, so as to realize different requirements and functions. The rest is the same as example 1.
Example 7
As shown in fig. 7, the number of the holes is 108, and the fluid injection device is a high-pressure water sprayer. The porous tail spraying cover is also provided with a fluid outlet pipe, and the fluid outlet pipe is provided with a discharge regulating valve. The rest is the same as example 6.
Example 8
As shown in fig. 8, the number of the holes of the novel fluid injector is 90, and the fluid injector is a high-pressure water pump. The vacuum suction port and the main nozzle are connected with movable steering pipes, and the movable steering pipes are flexibly made into steerable structures, so that different directions can be controlled to meet various requirements. The rest is the same as example 4.
Example 9
As shown in fig. 9, the number of the holes of the novel fluid injector is 86, and the fluid injector is a bypass engine. The porous tail spraying cover is also provided with a fluid outlet pipe, and the fluid outlet pipe is provided with a discharge regulating valve. The rest is the same as example 8.
Example 10
As shown in fig. 10, the number of the holes is 200, and the fluid injection device is a paddle fan engine; the vacuum suction port and the main nozzle are connected with movable steering pipes, and the movable steering pipes are flexibly made into steerable structures, so that different directions can be controlled to meet various requirements. The rest is the same as example 6.
Example 11
As shown in fig. 11, the number of the holes is 110, and the fluid injection device is a turboprop; the porous tail spraying cover is also provided with a fluid outlet pipe, and the fluid outlet pipe is provided with a discharge regulating valve. The rest is the same as in example 10.
Claims (8)
1. A novel fluid ejector comprises a fluid ejecting device and a fluid amplifying device, and is characterized in that the fluid amplifying device consists of a porous tail ejecting cover, a high-pressure fluid connecting pipe and a fluid amplifier; the multi-hole tail spraying cover is arranged at one end of the fluid spraying device, and a plurality of holes are formed in the multi-hole tail spraying cover; one end of the high-pressure fluid connecting pipe is communicated with the hole, and the other end of the high-pressure fluid connecting pipe is communicated with the fluid amplifier.
2. The novel fluid injector as claimed in claim 1, wherein the high pressure fluid connection is connected to the bore through a conical cavity, the conical cavity having a tip end connected to the high pressure fluid connection and a base end connected to the bore.
3. The novel fluid ejector as claimed in claim 1, wherein the number of holes is at least three, and the number of high pressure fluid connection pipes and fluid amplifiers corresponds to the number of holes; the fluid amplifier is an air amplifier or an optimized and improved structure of the air amplifier.
4. The novel fluid injector as claimed in claim 1, wherein the fluid injector is one of a compressor, a chemical reaction explosion generating device, an engine, a pulse ramjet, a gas turbine, a turbojet, a ramjet, a pulse jet, a propeller, a high pressure water jet, a high pressure water pump, and a propeller, and the engine is one of an electric jet engine, a rocket engine, a turbofan engine, a turboprop engine, a piston propeller engine, a turboprop engine, a turbo rocket engine, an inside and outside culvert engine, a ducted fan engine, and a propeller fan engine.
5. The novel fluid injector according to claim 1, further comprising a guide cylinder, wherein the guide cylinder is cylindrical, and the guide cylinder is arranged on the fluid injection device through a connecting rod and wraps the fluid injection device and the fluid amplification device; the opening of one end of the guide cylinder, which wraps the fluid injection device, is a vacuum suction port, and the opening of one end of the guide cylinder, which wraps the fluid amplification device, is a main nozzle.
6. A novel fluid ejector as claimed in claim 5 wherein said vacuum suction port is not co-axially located with the fluid ejector.
7. The novel fluid ejector as in any one of claims 1, 5 and 6, wherein the multi-orifice tail cap further comprises a fluid outlet tube, and the fluid outlet tube comprises a discharge control valve.
8. The novel fluid ejector of claim 7, wherein a movable diverter tube is connected to each of said vacuum port and said main nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300910.1A CN112901565A (en) | 2021-03-22 | 2021-03-22 | Novel fluid ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300910.1A CN112901565A (en) | 2021-03-22 | 2021-03-22 | Novel fluid ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901565A true CN112901565A (en) | 2021-06-04 |
Family
ID=76106315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110300910.1A Pending CN112901565A (en) | 2021-03-22 | 2021-03-22 | Novel fluid ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901565A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB164486A (en) * | 1920-03-08 | 1921-06-08 | Gen Electric | Improvements in and relating to ejector fluid pumps |
| GB231550A (en) * | 1923-11-06 | 1925-04-06 | Morgan Construction Co | Improvements in apparatus of the injector type for producing a blast of air, gas or vapour with static pressure |
| SU937199A1 (en) * | 1980-04-10 | 1982-06-23 | Всесоюзный научно-исследовательский институт горноспасательного дела | Unit for continuous production of thermoplast |
| RU2095638C1 (en) * | 1995-12-18 | 1997-11-10 | Герман Николаевич Ерченко | Device for building vacuum in medium suction object using wind energy for its operation |
| RU2415307C1 (en) * | 2009-10-05 | 2011-03-27 | Андрей Юрьевич Беляев | System and procedure for controlled build-up of pressure of low pressure gas |
| CN204985107U (en) * | 2015-09-29 | 2016-01-20 | 安徽开瑞环保科技有限公司 | Jet pump parallel arrangement |
| CN112879112A (en) * | 2021-03-22 | 2021-06-01 | 云南森海清洋科技有限公司 | Fluid reinforcing device |
-
2021
- 2021-03-22 CN CN202110300910.1A patent/CN112901565A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB164486A (en) * | 1920-03-08 | 1921-06-08 | Gen Electric | Improvements in and relating to ejector fluid pumps |
| GB231550A (en) * | 1923-11-06 | 1925-04-06 | Morgan Construction Co | Improvements in apparatus of the injector type for producing a blast of air, gas or vapour with static pressure |
| SU937199A1 (en) * | 1980-04-10 | 1982-06-23 | Всесоюзный научно-исследовательский институт горноспасательного дела | Unit for continuous production of thermoplast |
| RU2095638C1 (en) * | 1995-12-18 | 1997-11-10 | Герман Николаевич Ерченко | Device for building vacuum in medium suction object using wind energy for its operation |
| RU2415307C1 (en) * | 2009-10-05 | 2011-03-27 | Андрей Юрьевич Беляев | System and procedure for controlled build-up of pressure of low pressure gas |
| CN204985107U (en) * | 2015-09-29 | 2016-01-20 | 安徽开瑞环保科技有限公司 | Jet pump parallel arrangement |
| CN112879112A (en) * | 2021-03-22 | 2021-06-01 | 云南森海清洋科技有限公司 | Fluid reinforcing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6708905B2 (en) | Supersonic injector for gaseous fuel engine | |
| GB757496A (en) | Improvements in arrangement for controlling the air-intake orifices of jet propulsion units | |
| CN109186927B (en) | injection low-total-pressure cold medium secondary throat diffuser | |
| CN108915894B (en) | RBCC variable geometry full flow passage working in wide range | |
| CN109630312B (en) | High-frequency response vectoring nozzle | |
| SU845799A3 (en) | Device for pulverizing liquid fuel | |
| CN108825405B (en) | Axial symmetry structure RBCC full flow channel adopting multi-stage rocket | |
| CN213392904U (en) | High-modulus test supersonic air ejector | |
| CN111594344A (en) | Small-scale two-stage rocket combined ramjet engine | |
| CN111594346A (en) | Mesoscale rocket-based combined cycle engine | |
| CN216714841U (en) | Novel fluid ejector | |
| CN207095861U (en) | A kind of high mould experiment gas diversion device of engine | |
| CN112412662B (en) | Combined thrust vectoring nozzle system and projectile body with same | |
| CN112901565A (en) | Novel fluid ejector | |
| CN108999726B (en) | Ramjet engine with liquid aviation kerosene atomized at high speed in advance | |
| CN112879112A (en) | Fluid reinforcing device | |
| CN116080881A (en) | Two-phase stamping underwater propulsion system containing non-condensable gas | |
| CN113187637B (en) | Composite hole nozzle with intersection structure | |
| CN202746000U (en) | Jet flow mixing supercharged engine | |
| CN113588233B (en) | Exhaust back pressure adjusting system and method suitable for turbine test bed | |
| CN112397746B (en) | Anode injection reflux device of fuel cell engine | |
| CN215830562U (en) | Fluid reinforcing device | |
| CN111878253A (en) | Wave-lobe rocket nozzle and rocket base combined circulating propulsion system | |
| JP4913677B2 (en) | Method and apparatus for forming negative pressure by jet flow | |
| CN117345471B (en) | Self-adaptive height compensation spray pipe, engine and aerospace vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |