CN114950768A - Adjustable anti-countercurrent jet injection device - Google Patents
Adjustable anti-countercurrent jet injection device Download PDFInfo
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- CN114950768A CN114950768A CN202210815489.2A CN202210815489A CN114950768A CN 114950768 A CN114950768 A CN 114950768A CN 202210815489 A CN202210815489 A CN 202210815489A CN 114950768 A CN114950768 A CN 114950768A
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- groove
- backflow
- adjustable
- flow
- adjustable nozzle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
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Abstract
An adjustable anti-countercurrent jet device belongs to the technical field of jet flow accurate utilization. Including the sprayer main part, its characterized in that: the jet flow mixing device is characterized by further comprising a flow regulating device and a backflow preventing device, wherein the flow regulating device is arranged in a mixing chamber (10) of the ejector main body, an input port of the flow regulating device is communicated with a jet flow spraying port (2) of the ejector main body, an output port of the flow regulating device is communicated with the mixing chamber (10), the backflow preventing device is arranged between the mixing chamber (10) and a mixing discharge port (14) of the ejector main body, an input port of the backflow preventing device is communicated with the mixing chamber (10), and an output port of the backflow preventing device is communicated with the mixing discharge port (14). The invention conveniently changes the jet flow speed, realizes variable jet working conditions, is matched with an anti-reflux structure, improves the medium trafficability, realizes the adjustability high-performance operation of the jet device, can obviously improve the jet-suction efficiency and reduce the operation cost, meets the national requirements of energy conservation, emission reduction and consumption reduction, and has wide application prospect.
Description
Technical Field
An adjustable anti-countercurrent jet device belongs to the technical field of jet flow accurate utilization.
Background
The jet pump is a clean and safe power mode, is used as a necessary device for the spraying and sucking functions of equipment such as heating, refrigeration, extraction, drying, disinfection and the like, has the functions of higher sucking performance and tightness, and is necessary equipment for equipment in the fields of medicine, food, chemical engineering, new materials and the like. The jet pump in the existing market has the defects of single working condition design, backflow in the injection and suction efficiency and the like. The prior injection pump has the following technical problems in the use process: 1) the flow of the jet pump input port can not be adjusted, and only a high-pressure medium can be adjusted, so that the jet pump is inconvenient to use: 2) when the mixed fluid enters the discharge port, backflow can occur at the edge, which affects the injection efficiency of the injection pump, and further increases the energy consumption of the system operation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the adjustable anti-backflow jet device can automatically adjust the flow velocity of the medium and avoid the backflow of the mixed medium.
The technical scheme adopted by the invention for solving the technical problem is as follows: this adjustable anti-reflux jet injection apparatus, including the sprayer main part, its characterized in that: the jet flow mixing device is characterized by further comprising a flow regulating device and a backflow preventing device, wherein the flow regulating device is arranged in the mixing chamber of the ejector main body, an input port of the flow regulating device is communicated with a jet flow spraying port of the ejector main body, an output port of the flow regulating device is communicated with the mixing chamber, the backflow preventing device is arranged between the mixing chamber and a mixing discharge port of the ejector main body, an input port of the backflow preventing device is communicated with the mixing chamber, and an output port of the backflow preventing device is communicated with the mixing discharge port.
Preferably, the flow regulating device and the backflow prevention device are respectively arranged between the material suction ports of the ejector main body. The flow regulating device and the backflow preventing device are respectively arranged on two sides of the material suction inlet of the ejector main body, and can avoid interference on media sucked by the material suction inlet.
Preferably, the flow regulating device comprises a plurality of adjustable nozzle blades and a pushing device, the adjustable nozzle blades are spliced into an adjustable nozzle coaxial with the jet flow spraying inlet, one end of each adjustable nozzle blade is rotatably connected with the injector main body, the other end of each adjustable nozzle blade is a free end, and the pushing device is connected with each adjustable nozzle blade. The pushing device pushes the adjustable nozzle blade to move along the direction close to or far away from the jet flow spraying inlet so as to adjust the size of the output port of the adjustable nozzle and further adjust the flow velocity of the medium sprayed by the adjustable nozzle.
Preferably, the pushing device comprises an actuating motor, a fixed turntable and sector plates, the fixed disk is coaxially sleeved outside the adjustable nozzle, the actuating motor is connected with the fixed turntable, the sector plates correspond to the adjustable nozzle blades one to one and are arranged on the outer sides of the corresponding adjustable nozzle blades, each sector plate is connected with the fixed turntable through a cam mechanism, and each sector plate moves towards the direction close to or away from the adjustable nozzle blades along with the rotation of the fixed turntable. The execution motor drives the fixed turntable to rotate, and the fixed turntable is driven by each cam mechanism
Preferably, thrust unit still including installing the mounting bracket in the sprayer main part, fixed carousel is rotatable installs on the mounting bracket, sector plate slidable installs on the mounting bracket, is provided with the direction slot hole on the fixed carousel, all installs the round pin axle on each sector plate, in round pin axle slidable stretches into the direction slot hole that corresponds, forms cam mechanism. The fixed turntable pushes the pin shaft to move through the guide long hole, and then pushes the corresponding sector plates to move, so that synchronous movement of the sector plates can be guaranteed.
Preferably, the mounting bracket on be provided with annular mounting groove, the opening of mounting groove sets up towards or keeps away from the axis of adjustable nozzle, coaxial arrangement has the collar on the fixed carousel, the one end of collar links to each other with fixed carousel, the other end is provided with the turn-ups that stretches into in the mounting groove. The mounting groove is matched with the inward flange, and can guide the fixed turntable, so that the fixed turntable and the adjustable nozzle are coaxial.
Preferably, the anti-reflux device comprises a conveying cylinder and an anti-reflux groove arranged on the inner wall of the conveying cylinder, the anti-reflux groove is arranged around the inner wall of the conveying cylinder, the anti-reflux groove is provided with a plurality of anti-reflux grooves at intervals along the axial direction of the conveying cylinder, and both sides of each anti-reflux groove are inclined or arc-shaped gradually inwards along the flowing direction of the medium. When the counterflow object flows through the anti-counterflow slot, opposite direction force is formed, so that the resistance is reduced, and the consistency of the fluid direction is increased.
Preferably, the both sides of anti-reflux groove all be provided with first anti-reflux groove and second anti-reflux groove, first anti-reflux groove and second anti-reflux groove set gradually along the medium flow direction, first anti-reflux groove and second anti-reflux groove are the arc, and the radian of first anti-reflux groove is greater than the radian of second anti-reflux groove.
Preferably, the radian of the first anti-backflow groove is 110-170 degrees, and the radian of the second anti-backflow groove is 10-70 degrees. When the fluid passes through the radians of the first anti-backflow groove and the second anti-backflow groove, opposite driving forces are generated, so that high passing property of the object is realized
Compared with the prior art, the invention has the beneficial effects that:
the anti-reflux device of the adjustable anti-reflux jet device can avoid the media after mixing from generating reflux, the flow regulating device can regulate the flow velocity of the high-pressure media entering the mixing chamber, the jet flow velocity is convenient to change, the variable jet working condition is realized, the anti-reflux structure is matched with the anti-reflux device, the trafficability of the media is improved, the adjustability high-performance operation of the jet device is realized, the jet-suction efficiency can be obviously improved, the operation cost is reduced, the national energy-saving emission-reducing consumption-reducing requirements are met, and the adjustable anti-reflux jet device has wide application prospect.
Drawings
FIG. 1 is a schematic front cross-sectional view of an adjustable back-flow spray injection device.
Fig. 2 is a front cross-sectional view of a flow regulating device.
Fig. 3 is a front view schematically showing the fixed tray.
Fig. 4 is a front view of the movable tray.
Fig. 5 is a front view schematically illustrating the connection of the fixed tray and the movable tray.
Fig. 6 is a left side sectional view illustrating the connection of the fixed tray and the movable tray.
Fig. 7 is a sectional view of the fixed turntable connected to the mounting bracket.
In the figure: 1. the device comprises a material suction inlet 2, a jet flow spraying inlet 3, a connecting shaft 4, an adjustable nozzle blade 5, an actuating motor 6, a gear 7, a mounting frame 8, a fixed rotary table 9, a movable disc 10, a mixing chamber 11, a conveying cylinder 12, a first anti-backflow groove 13, a second anti-backflow groove 14, a mixing discharge port 15, a guide long hole 16, a pin shaft 17, a mounting ring 18, a sector plate 19, a mounting groove 20, a third anti-backflow groove 21 and a fourth anti-backflow groove.
Detailed Description
The present invention will be further described with reference to specific embodiments, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily limited to those embodiments, and that equivalents and common means not specifically described herein are nevertheless deemed to be within the scope of the present application.
Fig. 1 to 7 are preferred embodiments of the present invention, and the present invention will be further described with reference to fig. 1 to 7.
An adjustable anti-backflow jet device comprises an ejector main body, a flow regulating device and an anti-backflow device, wherein the flow regulating device is arranged in a mixing chamber 10 of the ejector main body, an input port of the flow regulating device is communicated with a jet flow injection port 2 of the ejector main body, an output port of the flow regulating device is communicated with the mixing chamber 10, the anti-backflow device is arranged between the mixing chamber 10 and a mixing discharge port 14 of the ejector main body, an input port of the anti-backflow device is communicated with the mixing chamber 10, and an output port of the anti-backflow device is communicated with the mixing discharge port 14. This adjustable anti-reflux injection apparatus prevents that the medium after mixing takes place against the current, and flow regulation device can adjust the velocity of flow that high-pressure medium enters into mixing chamber 10, conveniently changes the injection velocity of flow, realizes variable injection operating mode, cooperatees with preventing against the current structure, makes the trafficability characteristic of medium improve, realizes fluidic device's adjustability high performance operation, can show to improve and penetrate and inhale efficiency, reduce the running cost, accords with national energy saving and emission reduction requirement, has extensive application prospect.
Specifically, the method comprises the following steps: as shown in fig. 1: the left end of a mixing chamber 10 of the ejector main body is cylindrical, the diameter of the right end is gradually reduced from left to right, the left side of the mixing chamber 10 is coaxially connected with a jet flow injection port 2, a material suction port 1 is arranged at the top of the mixing chamber 10, a mixing discharge port 14 is arranged on the right side of the mixing chamber 10, and the diameter of the mixing discharge port 14 is gradually increased from left to right.
The flow regulating device is arranged in the mixing chamber 10, the input port of the flow regulating device is communicated with the output port of the jet flow spraying port 2, and the output port of the flow regulating device is communicated with the mixing chamber 10. The backflow preventer is arranged between the mixing chamber 10 and the mixing outlet 14, the mixing outlet 14 being in communication with the mixing chamber 10 via the backflow preventer.
The flow regulating device and the backflow preventing device are respectively arranged at two sides of the material suction inlet 1, so that the flow regulating device and the backflow preventing device can be prevented from interfering with media sucked by the material suction inlet 1.
The anti-reflux device comprises a conveying cylinder 11 and an anti-reflux groove arranged on the inner wall of the conveying cylinder 11, one end of the conveying cylinder 11 is coaxially connected with the mixing chamber 10, the other end of the conveying cylinder is coaxially connected with the mixing outlet 14, the anti-reflux groove is arranged around the inner wall of the conveying cylinder 11, and the anti-reflux groove is provided with a plurality of anti-reflux grooves in parallel along the axial direction of the conveying cylinder 11.
Each anti-backflow groove comprises a first anti-backflow groove 12 and a second anti-backflow groove 13, the first anti-backflow groove 12 and the second anti-backflow groove 13 are respectively arranged on two sides of the anti-backflow groove, and the first anti-backflow groove 12 and the second anti-backflow groove 13 are sequentially arranged along the direction of a medium flow. The first anti-reflux groove 12 and the second anti-reflux groove 13 are both arc shapes with concave middle parts, and the radian of the first anti-reflux groove 12 is greater than that of the second anti-reflux groove 13, in this embodiment, the inner radian of the first anti-reflux groove 12 is 110 degrees to 170 degrees, and the inner radian of the second anti-reflux groove 13 is 10 degrees to 70 degrees.
Wherein the backflow prevention groove positioned at one end close to the mixing chamber 10 comprises a third backflow prevention groove 20 and a fourth backflow prevention groove 21 which are sequentially arranged along the medium flowing direction, the inner radian of the third backflow prevention groove 20 is 50-120 degrees, and the inner radian of the fourth backflow prevention groove 21 is 40-90 degrees.
Because the medium sprayed by the adjustable nozzle is diffused, the diameter of the conveying cylinder 11 is larger than that of the output port of the adjustable nozzle, and the output port of the adjustable nozzle is positioned at the inner sides of the inner ends of the first anti-backflow groove 12, the second anti-backflow groove 13, the third anti-backflow groove 20 and the fourth anti-backflow groove 21, so that the medium sprayed by the adjustable nozzle is prevented from being blocked by the conveying cylinder 11. The medium flowing into the conveying cylinder 11 from the mixing chamber 10 enters the fourth backflow prevention groove 21, moves back to the third backflow prevention groove 20 under the action of the fourth backflow prevention groove 21, enters the conveying cylinder 11 again under the guidance of the third backflow prevention groove 20, and moves to the mixing discharge port 14. The principles of the first and second backflow prevention grooves 12 and 13 are the same as those of the third and fourth backflow prevention grooves 20 and 21.
As shown in FIGS. 2-6: the flow regulating device comprises adjustable nozzle blades 4 and a pushing device, the adjustable nozzle blades 4 are provided with a plurality of blocks, each adjustable nozzle blade 4 is spliced into an adjustable nozzle which is coaxially arranged with the jet flow spraying port 2, the input port of each adjustable nozzle is communicated with the jet flow spraying port 2, and the output port of each adjustable nozzle is communicated with the mixing chamber 10. One end of each adjustable nozzle blade 4 is rotatably connected with the inner wall of the mixing chamber 10 through the connecting shaft 3, the other end is a free end, and the middle part of each adjustable nozzle blade 4 is in an arc shape gradually inwards along the flowing direction of the medium. The pushing device is simultaneously connected with the free end of each adjustable nozzle blade 4 and pushes the free end of each adjustable nozzle blade 4 to move inwards or outwards so as to adjust the size of the output port of the adjustable nozzle and further adjust the medium flow.
An interval is arranged between every two adjacent adjustable nozzle blades 4 or a superposition part is arranged between every two adjacent adjustable nozzle blades 4, so that mutual interference between the adjacent adjustable nozzle blades 4 can be avoided, and the size of the output port of the adjustable nozzle 4 can be adjusted more smoothly and conveniently.
The pushing device comprises a mounting frame 7, an actuating motor 5, a fixed turntable 8 and a sector plate 18, wherein the mounting frame 7 is installed in the mixing chamber 10, the actuating motor 5 is installed on one side of the mounting frame 7, the fixed turntable 8 is coaxially installed on the mounting frame 7, a through hole which is sleeved outside the adjustable nozzle is formed in the middle of the fixed turntable 8, and the fixed turntable 8 and the adjustable nozzle are coaxially arranged. The output shaft of the actuating motor 5 is provided with a gear 6, the outer edge of the fixed turntable 8 is provided with teeth meshed with the gear 6, and the actuating motor 5 drives the fixed turntable 8 to rotate around the adjustable nozzle through the gear 6. The sector plates 18 are arranged in a plurality of blocks around the adjustable nozzle, the sector plates 18 are spliced into the movable disc 9, the sector plates 18 correspond to the adjustable nozzle blades 4 one by one, and the sector plates 18 are located on the outer sides of the corresponding adjustable nozzle blades 4. Each sector plate 18 is slidably connected to the mounting frame 7, in this embodiment, the mounting frame 17 is provided with a plurality of guide rails arranged along the radial direction of the adjustable nozzle, and each sector plate 18 is slidably mounted on the corresponding guide rail. Each sector plate 18 is connected to the fixed turntable 8 by a cam mechanism, so that each sector plate 18 moves synchronously towards or away from the axis of the adjustable nozzle.
The actuating motor 5 drives the fixed turntable 8 to rotate through the gear 6, the fixed turntable 8 drives the sector plates 18 to synchronously move towards or away from the axis of the adjustable nozzle through the cam mechanisms, and pushes the adjustable nozzle blades 4 to synchronously move towards or away from the axis of the adjustable nozzle, so as to adjust the size of the output port of the adjustable nozzle.
The fixed turntable 8 is provided with a plurality of guide long holes 15, the guide long holes 15 are arc-shaped, the guide long holes 15 correspond to the sector plates 18 one by one, each sector plate 18 is provided with a pin shaft 16, one end of each pin shaft 16 is connected with the corresponding sector plate 18, and the other end of each pin shaft 16 can slidably extend into the corresponding guide long hole 15 to form a cam mechanism. The fixed turntable 8 rotates, and the sector plates 18 are pushed by the long guide holes 15 and the pin shafts 16 to move synchronously in a direction close to or far from the axis of the fixed turntable 8.
As shown in fig. 7: an annular mounting groove 19 is mounted on the mounting frame 7, the mounting groove 19 is arranged coaxially with the adjustable nozzle, and an opening of the mounting groove 19 is arranged away from the adjustable nozzle, namely, in a direction away from the adjustable nozzle. The end face of the fixed rotary disc 8, which is close to the mounting groove 19, is provided with a mounting ring 17, one end of the mounting ring 17 is connected with the fixed rotary disc 8, and the other end of the mounting ring is provided with a flanging extending into the mounting groove 19, so that the rotating shaft of the fixed rotary disc 8 coincides with the axis of the adjustable nozzle.
The working process of the adjustable anti-countercurrent jet device is as follows: the actuating motor 5 drives the fixed turntable 8 to rotate through the gear 6, the fixed turntable 8 pushes the sector plate 18 to move along the direction close to or away from the axis of the adjustable nozzle through the guide long hole 15 and the pin shaft 16, and then pushes the adjustable nozzle blade 4 to move along the direction close to or away from the axis of the adjustable nozzle, so as to adjust the size of the output port of the adjustable nozzle and further adjust the flow rate of the medium.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides an adjustable anti-backflow jet injection device, includes the sprayer main part, its characterized in that: the jet flow mixing device is characterized by further comprising a flow regulating device and a backflow preventing device, wherein the flow regulating device is arranged in a mixing chamber (10) of the ejector main body, an input port of the flow regulating device is communicated with a jet flow spraying port (2) of the ejector main body, an output port of the flow regulating device is communicated with the mixing chamber (10), the backflow preventing device is arranged between the mixing chamber (10) and a mixing discharge port (14) of the ejector main body, an input port of the backflow preventing device is communicated with the mixing chamber (10), and an output port of the backflow preventing device is communicated with the mixing discharge port (14).
2. The adjustable anti-blowback spray injector device of claim 1, wherein: the flow regulating device and the backflow preventing device are respectively arranged between the material suction ports (1) of the ejector main body.
3. The adjustable back-flow spray prevention spray device of claim 1 or 2, wherein: the flow adjusting device comprises adjustable nozzle blades (4) and a pushing device, the adjustable nozzle blades (4) are provided with a plurality of blocks, the adjustable nozzle blades (4) are spliced into an adjustable nozzle coaxial with the jet flow spraying inlet (2), one end of each adjustable nozzle blade (4) is rotatably connected with the ejector main body, the other end of each adjustable nozzle blade is a free end, and the pushing device is connected with each adjustable nozzle blade (4) simultaneously.
4. The adjustable back-flow spray prevention spray device of claim 3, wherein: the pushing device comprises an executing motor (5), a fixed turntable (8) and sector plates (18), wherein the fixed disk (8) is coaxially sleeved outside the adjustable nozzle, the executing motor (5) is connected with the fixed turntable (8), the sector plates (18) correspond to the adjustable nozzle blades (4) one to one and are arranged on the outer sides of the corresponding adjustable nozzle blades (4), each sector plate (18) is connected with the fixed turntable (8) through a cam mechanism, and each sector plate (18) moves towards the direction close to or away from the adjustable nozzle blades (4) along with the rotation of the fixed turntable (8).
5. The adjustable anti-blowback spray injector device of claim 4, wherein: the pushing device further comprises a mounting frame (7) mounted on the ejector main body, the fixed rotary disc (8) is rotatably mounted on the mounting frame (7), the sector plates (18) are slidably mounted on the mounting frame (7), guide long holes (15) are formed in the fixed rotary disc (8), pin shafts (16) are mounted on the sector plates (18), and the pin shafts (16) can slidably extend into the corresponding guide long holes (15) to form the cam mechanism.
6. The adjustable back-flow spray prevention spray device of claim 5, wherein: mounting bracket (7) on be provided with annular mounting groove (19), the opening of mounting groove (19) is towards or keeps away from the axis setting of adjustable nozzle, coaxial arrangement has collar (17) on fixed carousel (8), the one end of collar (17) links to each other with fixed carousel (8), the other end is provided with the turn-ups that stretches into in mounting groove (19).
7. The adjustable back-flow spray prevention spray device of claim 1 wherein: the anti-reflux device comprises a conveying cylinder (11) and an anti-reflux groove arranged on the inner wall of the conveying cylinder (11), the anti-reflux groove is arranged around the inner wall of the conveying cylinder (11), the anti-reflux groove is provided with a plurality of grooves along the axial interval of the conveying cylinder (11), and the two sides of each anti-reflux groove are inclined or arc-shaped gradually inwards along the medium flowing direction.
8. The adjustable back-flow spray prevention spray device of claim 7, wherein: the two sides of the anti-backflow groove are provided with a first anti-backflow groove (12) and a second anti-backflow groove (13), the first anti-backflow groove (12) and the second anti-backflow groove (13) are sequentially arranged along the direction of a medium, the first anti-backflow groove (12) and the second anti-backflow groove (13) are both arc-shaped, and the radian of the first anti-backflow groove (12) is greater than that of the second anti-backflow groove (13).
9. The adjustable back-flow spray prevention spray device of claim 8, wherein: the radian of the first anti-backflow groove (12) is 110-170 degrees, and the radian of the second anti-backflow groove (13) is 10-70 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210815489.2A CN114950768A (en) | 2022-07-08 | 2022-07-08 | Adjustable anti-countercurrent jet injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210815489.2A CN114950768A (en) | 2022-07-08 | 2022-07-08 | Adjustable anti-countercurrent jet injection device |
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| Publication Number | Publication Date |
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| CN114950768A true CN114950768A (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210815489.2A Pending CN114950768A (en) | 2022-07-08 | 2022-07-08 | Adjustable anti-countercurrent jet injection device |
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| CN (1) | CN114950768A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003175324A (en) * | 2001-12-12 | 2003-06-24 | Yaskawa Electric Corp | Ejector type gas-liquid mixing apparatus |
| KR20040008701A (en) * | 2002-07-19 | 2004-01-31 | 현대자동차주식회사 | Waste gate valve for turbo charger |
| KR20120011476A (en) * | 2010-07-29 | 2012-02-08 | 현대제철 주식회사 | Providing method and nozzle of steel melt for continuous casting |
| CN204512014U (en) * | 2015-02-13 | 2015-07-29 | 浙江大学 | A kind of nozzle-adjustable steam ejector |
| CN207770109U (en) * | 2017-12-30 | 2018-08-28 | 青岛莱恩斯橡胶科技有限公司 | A kind of raw rubber spray coating liquor air gun device |
| KR20190143523A (en) * | 2018-06-08 | 2019-12-31 | 주식회사 휴로 | Conical variable nozzle |
| CN111822167A (en) * | 2019-03-26 | 2020-10-27 | 桂林航天工业学院 | Adjustable ejector |
| CN111957456A (en) * | 2020-08-21 | 2020-11-20 | 广州佳优华信息科技有限公司 | Digit control machine tool cooling oil nozzle splash ware |
-
2022
- 2022-07-08 CN CN202210815489.2A patent/CN114950768A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003175324A (en) * | 2001-12-12 | 2003-06-24 | Yaskawa Electric Corp | Ejector type gas-liquid mixing apparatus |
| KR20040008701A (en) * | 2002-07-19 | 2004-01-31 | 현대자동차주식회사 | Waste gate valve for turbo charger |
| KR20120011476A (en) * | 2010-07-29 | 2012-02-08 | 현대제철 주식회사 | Providing method and nozzle of steel melt for continuous casting |
| CN204512014U (en) * | 2015-02-13 | 2015-07-29 | 浙江大学 | A kind of nozzle-adjustable steam ejector |
| CN207770109U (en) * | 2017-12-30 | 2018-08-28 | 青岛莱恩斯橡胶科技有限公司 | A kind of raw rubber spray coating liquor air gun device |
| KR20190143523A (en) * | 2018-06-08 | 2019-12-31 | 주식회사 휴로 | Conical variable nozzle |
| CN111822167A (en) * | 2019-03-26 | 2020-10-27 | 桂林航天工业学院 | Adjustable ejector |
| CN111957456A (en) * | 2020-08-21 | 2020-11-20 | 广州佳优华信息科技有限公司 | Digit control machine tool cooling oil nozzle splash ware |
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