CN107999291A - A kind of automatic rotary jet nozzle and spray method - Google Patents
A kind of automatic rotary jet nozzle and spray method Download PDFInfo
- Publication number
- CN107999291A CN107999291A CN201711441943.8A CN201711441943A CN107999291A CN 107999291 A CN107999291 A CN 107999291A CN 201711441943 A CN201711441943 A CN 201711441943A CN 107999291 A CN107999291 A CN 107999291A
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- Prior art keywords
- jet
- side wall
- nozzle
- main
- stream
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Classifications
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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
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
- B05B3/06—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction, i.e. creating a spinning torque due to a tangential component of the jet
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Abstract
The present invention discloses a kind of automatic rotary jet nozzle and spray method, is related to agricultural water-saving irrigation field, and the automatic rotary jet nozzle includes rotary part, fluidic, main jet body, secondary sprinkler body, main jet pipe, secondary jet pipe, main burner, auxiliary jet；Fluidic is located at the centre of rotary part and major-minor sprinkler body.During automatic rotary jet nozzle sprinkling, current enter jet nozzle by hollow shaft, jet stream is formed in fluidic spaces, the attached wall effect of jet stream is produced, under the hydraulic pressure effect in feedback channel, intermittent deflection occurs for attached wall current, so that current are moved according to certain frequency in the major-minor jet pipe inscribe change of current, when current enter in sprinkler body, current continue attached wall and to the power for spraying first horizontal direction, nozzle is rotated together with hollow shaft along axle sleeve, realize that nozzle is circumferentially sprayed.The present invention has the characteristics that simple in structure, highly reliable, manufacture cost is low, suitable for the demand of the various spray irrigation systems such as field crop, herbage, Lin Guo, flowers.
Description
Technical field
The invention belongs to agricultural water-saving irrigation field, it is related to sprinkling irrigation sprinkler head, and in particular to a kind of automatic rotary jet nozzle
And spray method.
Background technology
Impact driven sprinkler is to use most, most widely used nozzle at present, the driving mechanism of impact driven sprinkler by rocking arm,
The parts such as rocker arm shaft, priming lever spring, spring base form, by rocker impact sprinkler body and spring reset come realize sprinkler rotation with it is anti-
To structure is complex.Due to the effect beaten and hit, rigidity and spring stability requirement to jet pipe, rocking arm material compared with
It is high.Impact driven sprinkler with auxiliary jet, preferably resolves the problem of nozzle nearby sprays uniformity, but adds spray at the same time
Spill intensity.
The Chinese patent " wall-attachment fluidic sprinkler " of Application No. CN200710134562.5, Application No.
200610096781.4 Chinese patent " full-jet micro sprinkler head ", the Chinese patent of Application No. 03222424.9 " take outside a kind of
Water wall-attachment control element ", the Chinese patent " synchronous full fluidizing blow head " of Patent No. 201010552792.5 all disclose
A kind of nozzle structure using the attached wall principle of jet stream, but principle used is essentially identical, is all to offset side using water intaking
Air, by opposite side tonifying Qi, produces atm difference, makes the attached wall of jet stream in the side of rarefaction of air, same using supplement air
Mode jet stream is commutated, and rotate nozzle by attached wall power, its structure is also based on principle and is designed.Application No.
201610524297.0 Chinese patent " a kind of load feedback Double-nozzle sprayer and spray method ", Application No.
201610524296.6 Chinese patent " a kind of twin-jet nozzle fluid jet nozzle and spray method " all discloses one kind and utilizes water jet
A kind of twin-jet nozzle fluid jet nozzle that control technology is formed, its auxiliary jet are provided with driving plate, make spray by jet impulse driving plate
Head rotation.The present invention devises a kind of automatic rotary jet nozzle, using feed back hydraulic pressure for fluidic provide attached wall switch it is dynamic
Power, provides the rotating power of nozzle, two nozzles alternately spray, and jet stream commutation is more stablized, nozzle by the attached wall of jet current secondary
Rotation is more secure.
The content of the invention
It is highly reliable it is an object of the invention to provide a kind of simple in structure, low cost, utilize water-jet flow control technology shape
Into a kind of automatic rotary jet nozzle and spray method.
The present invention technical solution be：
A kind of automatic rotary jet nozzle, it is characterised in that：Including rotary part, main jet body, main jet pipe, main burner, pair
Sprinkler body, secondary jet pipe, auxiliary jet；
The rotary part includes axle sleeve, hollow shaft, spring, spring shield, connecting shaft part, sealing ring I, sealing ring II, axle sleeve
Hollow shaft front portion is sleeved on, hollow shaft rear portion is connected within connecting shaft part, and spring is mounted between axle sleeve and connecting shaft part
Outside hollow shaft, sealing ring I is installed on the junction of axle sleeve and hollow shaft, and sealing ring II is installed on the company of connecting shaft part and hollow shaft
Place is met, spring shield covers in the outside of spring；
The fluidic includes jet nozzle, fluidic spaces, feedback port I, feedback port II, feedback control pipe I, feedback control
Tubulation II, side wall I, side wall II, jet exit I, jet exit II, shunting are split, and the jet nozzle is hollow shaft and connecting shaft part
The cylindrical channel formed after connection, is respectively arranged with feedback port I and feedback port II on the side wall on jet expansion both sides, feedback
I one end of control pipe is connected to feedback port I, and II one end of feedback control pipe is connected to feedback port II, is before one section after jet nozzle
The fluidic spaces of big shape after small, the both sides of fluidic spaces are respectively side wall I and side wall II, and shunting is split positioned at the end of fluidic spaces
End, and the end of fluidic spaces is divided into jet exit I and jet exit II；
The main jet body is connected to behind jet exit I, and jet stream inlet part is provided with feedback port III, main jet in main jet body
Body end connect main jet pipe, main jet pipe end is main burner, and secondary sprinkler body is connected to behind jet exit II, in secondary sprinkler body jet stream into
Oral area, which sets up separately, is equipped with feedback port IV, and secondary sprinkler body end auxiliary connection jet pipe, secondary nozzle tip is auxiliary jet；The main jet body, main jet
Pipe, main burner, secondary sprinkler body, secondary jet pipe and auxiliary jet center line in the same plane, main burner and auxiliary jet are in reversed arrangement.
A kind of automatic rotary jet nozzle, it is characterised in that the jet nozzle, main jet pipe, secondary jet pipe, main jet
Mouth, the cross section of auxiliary jet are circle, and main burner, the cross section of auxiliary jet are constant after first reducing from front end toward rear end, and jet stream is empty
Between, main jet body, the cross section of secondary sprinkler body be rectangle.
In the fluidic, potential difference I is located at the side wall of I side of side wall to the minimum range on I top of side wall, position for nozzle
Poor II is located at the side wall of II side of side wall to the minimum range on II top of side wall for nozzle；Potential difference Ⅱ≤the potential difference I.
1. a kind of spray method of automatic rotary jet nozzle, is specially：The axle sleeve of automatic rotary jet nozzle is connected to
On nozzle water inlet pipe, pressure flow enters jet nozzle by hollow shaft, into fluidic spaces formed jet stream, if jet stream first attached wall in
Side wall I, jet stream reaches jet exit I along side wall I and enters sprinkler body I, due to the Involving velocity of jet stream, the jet stream in sprinkler body I
Attached wall be may proceed in the side wall for having feedback port III, and give one vertical of wall, make nozzle start to rotate, then penetrate
Stream reaches main burner by main jet pipe and sprays, and is sprayed to ground.At this time, due to the Involving velocity of jet stream, will be produced at feedback port I
Raw negative pressure, with continuing for jet stream, negative pressure will be transmitted by feedback control pipe I, the pressure of jet stream both sides in fluidic spaces
Force difference constantly reduces, and plus the factor such as unstable of jet stream, jet stream sprays at this time by attached wall in the wall of side wall II after a period of time
Head stops rotating, and jet stream reaches jet exit II along side wall II and enters sprinkler body II, due to the Involving velocity of jet stream, sprinkler body II
In jet stream may proceed to attached wall in the side wall for having feedback port IV, and give one vertical of wall, make nozzle continue to revolve
Turn, then jet stream reaches auxiliary jet by secondary jet pipe and sprays, and is sprayed to ground., will be likewise, due to the Involving velocity of jet stream
Negative pressure is produced at feedback port II, with continuing for jet stream, negative pressure will be transmitted by feedback control pipe II, and jet stream is empty in jet stream
The pressure differential of interior both sides constantly reduces, plus the factor such as unstable of jet stream, after a period of time jet stream will again attached wall in side
The wall of wall I, flows to jet exit I, process is once shaken in formation along the side wall；So move in circles, current interval
Property flow into main jet body and secondary sprinkler body, drive nozzle to rotate；When being sprayed along main burner, among sprinkling and distant place ground, and edge
When auxiliary jet ejection, sprinkling is nearby to middle ground so that the water-spraying amount on whole circumference face keeps uniform.
Beneficial effects of the present invention are：
The present invention applies fluidics, switches the jet direction of current, and the drive force produced by the attached wall of current is sprayed
Head rotation, two nozzles alternately spray, and in the case where not increasing intensity of spray irrigation, solving nozzle, nearby rainfall distribution uniformity is asked
Topic.A set of complex mechanism of rocker-arm driving is replaced using fluidic, original paper is simple in structure, eliminates existing impact driven sprinkler
Spring and rocking arm；Compared to existing twin-jet nozzle fluid jet nozzle, driving harden structure is eliminated, completely by jet vectoring nozzle
Sprinkling and spinfunction, simplify driving and commutating structure so that nozzle operation is more reliable, lasting.
Brief description of the drawings
Fig. 1 is the outside drawing of the embodiment of the present invention；
Fig. 2 is the orthogonal view of Fig. 1；
Fig. 3 is the A-A sectional views of Fig. 1；
Fig. 4 is the B-B sectional views of Fig. 1；
Fig. 5 is the C-C sectional views of Fig. 1；
Fig. 6 is the D-D sectional views of Fig. 1；
Fig. 7 is the E-E sectional views of Fig. 1；
Fig. 8 is the F-F sectional views of Fig. 1；
Fig. 9 is the G-G sectional views of Fig. 1；
Figure 10 is the H-H sectional views of Fig. 1；
Figure 11 is the I-I sectional views of Fig. 1；
Figure 12 is the middle rotary part and potential difference drawing of Fig. 1；
Reference numeral is as follows：
1. rotary part；1-1. axle sleeve；1-2. hollow shaft；1-3. spring；1-4. sealing rings I；1-5. spring shield；1-6. even
Shaft member；1-7. sealing rings II；2. fluidic；2-1. jet nozzle；2-2. fluidic spaces；2-3. feedback ports I；2-4. feedback port
Ⅱ；2-5. feedback controls pipe I；2-6. feedback controls pipe II；2-7. side walls I；2-8. side walls II；2-9. jet exits I；2-10.
Jet exit II；3. main jet bodies are split in 2-11. shuntings；3-1. feedback ports III；4. secondary sprinkler body；4-1. feedback ports IV；5. main jet pipe；6.
Secondary jet pipe；7. main burner；8. auxiliary jet；S1. potential difference I；S2. potential difference II；D1. potential difference III；D2. potential difference IV.
Embodiment
Embodiment：
With reference to attached drawing 1 to Figure 12, automatic rotary jet nozzle includes rotary part 1, fluidic 2, main jet body 3, secondary spray
Body 4, main jet pipe 5, secondary jet pipe 6, main burner 7, auxiliary jet 8；
The rotary part 1 includes axle sleeve 1-1, hollow shaft 1-2, spring 1-3, spring shield 1-5, connecting shaft part 1-6, sealing ring
I 1-4, sealing ring II 1-7, axle sleeve 1-1 are sleeved on the front portion of hollow shaft 1-2, hollow shaft 1-2 rear portions be connected to connecting shaft part 1-6 it
Interior, spring 1-3 is mounted on outside the hollow shaft 1-2 between axle sleeve 1-1 and connecting shaft part 1-6, and I 1-4 of sealing ring is installed on axis
The junction of 1-1 and hollow shaft 1-2 is covered, II 1-7 of sealing ring is installed on the junction of connecting shaft part 1-6 and hollow shaft 1-2, spring shield
1-5 covers the outside with spring 1-3；
The fluidic 2 includes jet nozzle 2-1, fluidic spaces 2-2, I 2-3 of feedback port, II 2-4 of feedback port, side wall I
2-11 is split in 2-7, II 2-8 of side wall, I 2-9 of jet exit, II 2-10 of jet exit, shunting, and the jet nozzle 2-1 is hollow shaft
The cylindrical channel that 1-2 is formed after being connected with connecting shaft part 1-6, feedback port I is set on the side wall of nozzle 2-1 outlets both sides respectively
It is one section of pre-small post-large fluidic spaces 2-2 after 2-3 and feedback port II 2-4, jet nozzle 2-1, fluidic spaces 2-2 both sides are distinguished
For II 2-8 of I 2-7 of side wall and side wall, shunting splits 2-11 and is located at the end of fluidic spaces 2-2, and fluidic spaces 2-2 is divided into and is penetrated
I 2-3 of feedback port in I 2-9 of flow export and jet exit II 2-10, the I 2-5 connection fluidic spaces 2-2 of feedback control pipe and
II 2-4 of feedback port and pair in feedback port III 3-1, the II 2-6 connection fluidic spaces 2-2 of feedback control pipe in main jet body 3
IV 4-1 of feedback port in sprinkler body 4；
The main jet body 3 is connected to behind I 2-9 of jet exit, and 3 fore-end of main jet body is provided with III 3-1 of feedback port, main
3 end of sprinkler body is connected with main jet pipe 5, and 5 end of main jet pipe is main burner 7；After the pair sprinkler body 4 is connected to I 2-9 of jet exit
Face, secondary 4 fore-end of sprinkler body are provided with IV 4-1 of feedback port, and secondary 4 end of sprinkler body is connected with secondary jet pipe 6, and secondary nozzle tip sprays to be secondary
Mouth 8；The main jet body 3, main jet pipe 5, main burner 7, secondary sprinkler body 4, secondary jet pipe 6, auxiliary jet 8 center line in the same plane,
Main burner 7 and auxiliary jet 8 are into reversed arrangement.
With reference to attached drawing 1,2,4 and 5, a kind of automatic rotary jet nozzle, the jet nozzle 2-1, main jet pipe 5, secondary jet pipe
6th, main burner 7, auxiliary jet 8 cross section for circle, main burner 7, the cross section of auxiliary jet 8 first reduce from front end toward rear end after not
Become, fluidic spaces 2-2, main jet body 3, the cross section of secondary sprinkler body 4 are rectangle.
With reference to attached drawing 1 and 12, in the fluidic 2, I s1 of potential difference is the side wall that nozzle 2-1 is located at I 2-7 sides of side wall
To the minimum range on I 2-7 tops of side wall, II s2 of potential difference is that nozzle 2-1 is located at the side walls of II 2-8 sides of side wall to II 2-8 of side wall
The minimum range on top；II s2 of potential difference≤potential difference, I s1.
With reference to attached drawing 4 and 7, in the sprinkler body I 3, III d1 of potential difference is minimum of the side wall inlet side wall with exporting side wall
Distance, III 3-1 of feedback port are located at III d1 lower ends 1-2mm of potential difference, in the sprinkler body II 4, IV d2 of potential difference for side wall into
The minimum range of mouth side wall and outlet side wall, IV 4-1 of feedback port are located at IV d2 lower ends 1-2mm of potential difference.
Rotary jet nozzle of the invention automatic is fully disclosed by embodiment, but the embodiment and is not used to limit
The system present invention, can also have other embodiments on the premise of the spirit or essential attributes of the present invention are not departed from.Top is split in shunting
Face can be concave arc, polygon, cambered surface, plane etc..Showing in the scope of the present invention, appended claims should be referred to,
Rather than foregoing explanation.
The embodiment is preferred embodiment of the invention, but present invention is not limited to the embodiments described above, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification belongs to protection scope of the present invention.
Claims (9)
- A kind of 1. automatic rotary jet nozzle, it is characterised in that：Including rotary part (1), fluidic (2), main jet body (3), Secondary sprinkler body (4), main jet pipe (5), secondary jet pipe (6), main burner (7) and auxiliary jet (8)；The rotary part (1) includes axle sleeve (1-1), hollow shaft (1-2), spring (1-3), spring shield (1-5), connecting shaft part (1- 6), sealing ring I (1-4) and sealing ring II (1-7)；The axle sleeve (1-1) is sleeved on the front portion of hollow shaft (1-2), hollow shaft (1- 2) rear portion is connected within connecting shaft part (1-6), and spring (1-3) is mounted on the sky between axle sleeve (1-1) and connecting shaft part (1-6) Outside mandrel (1-2), sealing ring I (1-4) is installed on axle sleeve (1-1) and the junction of hollow shaft (1-2), sealing ring II (1-7) Installed in connecting shaft part (1-6) and the junction of hollow shaft (1-2), the outside of spring shield (1-5) cover and spring (1-3)；The fluidic (2) includes jet nozzle (2-1), fluidic spaces (2-2), feedback port I (2-3), II (2- of feedback port 4), side wall I (2-7), side wall II (2-8), jet exit I (2-9), jet exit II (2-10) and shunting are split (2-11)；It is described The cylindrical channel that jet nozzle (2-1) is formed after being connected for hollow shaft (1-2) with connecting shaft part (1-6), the nozzle (2-1) go out Feedback port I (2-3) and feedback port II (2-4) are set respectively on side wall at left and right sides of mouthful；The jet nozzle (2-1) is preceding small Big fluidic spaces (2-2) afterwards；Fluidic spaces (2-2) both sides are respectively side wall I (2-7) and side wall II (2-8), and shunting is split (2-11) is located at the end of fluidic spaces (2-2), and fluidic spaces (2-2) are divided into jet exit I (2-9) and jet exit Ⅱ(2-10)；The feedback in feedback port I (2-3) and main jet body (3) in feedback control pipe I (2-5) connection fluidic spaces (2-2) III (3-1) of mouth, feedback control pipe II (2-6) are connected in feedback port II (2-4) and secondary sprinkler body (4) in fluidic spaces (2-2) Feedback port IV (4-1)；The main jet body (3) is connected to behind jet exit I (2-9), and main jet body (3) fore-end is provided with III (3- of feedback port 1), main jet body (3) end is connected with main jet pipe (5), and main jet pipe (5) end is main burner (7)；The pair sprinkler body (4) is connected to Behind jet exit I (2-9), secondary sprinkler body (4) fore-end is provided with feedback port IV (4-1), secondary sprinkler body (4) end and secondary jet pipe (6) connect, secondary nozzle tip is auxiliary jet (8)；The main jet body (3), main jet pipe (5), main burner (7), secondary sprinkler body (4), pair Jet pipe (6), auxiliary jet (8) center line in the same plane, main burner (7) and auxiliary jet (8) are into reversed arrangement.
- A kind of 2. automatic rotary jet nozzle according to claims 1, it is characterised in that the jet nozzle (2-1), Main jet pipe (5), secondary jet pipe (6), main burner (7), the cross section of auxiliary jet (8) are circle.
- 3. a kind of automatic rotary jet nozzle according to claims 1, it is characterised in that the main burner (7), secondary spray The cross section of mouth (8) is constant after first reducing from front to back.
- A kind of 4. automatic rotary jet nozzle according to claims 1, it is characterised in that the fluidic spaces (2-2), Main jet body (3), the cross section of secondary sprinkler body (4) are rectangle.
- A kind of 5. automatic rotary jet nozzle according to claims 1, it is characterised in that in the fluidic (2), Potential difference I (s1) is located at the side wall of side wall I (2-7) side to the minimum range on side wall I (2-7) top, potential difference II for nozzle (2-1) (s2) it is located at the side wall of side wall II (2-8) side to the minimum range on side wall II (2-8) top for nozzle (2-1).
- A kind of 6. automatic rotary jet nozzle according to claims 5, it is characterised in that potential difference II (the s2)≤position Poor I (s1).
- A kind of 7. automatic rotary jet nozzle according to claims 1, it is characterised in that in the sprinkler body I (3), position Poor III (d1) is minimum range of the side wall inlet side wall with exporting side wall, and the feedback port III (3-1) is located at potential difference III (d1) 1~2mm of lower end.
- A kind of 8. automatic rotary jet nozzle according to claims 1, it is characterised in that in the sprinkler body II (4), position Poor IV (d2) is minimum range of the side wall inlet side wall with exporting side wall, and the feedback port IV (4-1) is located at potential difference IV (d2) lower end 1-2mm.
- 9. according to spray method of claim 1 to 8 any one of them based on automatic rotary jet nozzle, it is characterised in that： Pressure flow enters jet nozzle (2-1) by hollow shaft (1-2), and jet stream is formed into fluidic spaces (2-2), if the first attached wall of jet stream In side wall I (2-7), jet stream reaches jet exit I (2-9) along side wall I (2-7) and enters sprinkler body I (3), due to the volume of jet stream Suction acts on, and the jet stream in sprinkler body I (3) may proceed to attached wall in the side wall for having feedback port III (3-1), and vertical to wall one Active force, makes nozzle start to rotate, and then jet stream reaches main burner (7) by main jet pipe (5) and sprays, and is sprayed to ground；At this time, Due to the Involving velocity of jet stream, negative pressure will be produced at feedback port I (2-3) place, with continuing for jet stream, negative pressure will be controlled by feeding back Tubulation I (2-5) is transmitted, and pressure differential of the jet stream in fluidic spaces (2-2) interior both sides constantly reduces, plus the unstable of jet stream Factor, jet stream is by attached wall in the wall of side wall II (2-8) after a period of time, and nozzle stops rotating at this time, and jet stream is along side wall II (2-8) reaches jet exit II (2-10) and simultaneously enters sprinkler body II (4), due to the Involving velocity of jet stream, the jet stream in sprinkler body II (4) Attached wall be may proceed in the side wall for having feedback port IV (4-1), and give one vertical of wall, make nozzle continue to rotate, Then jet stream reaches auxiliary jet (8) by secondary jet pipe (6) and sprays, and is sprayed to ground；Likewise, due to the Involving velocity of jet stream, Negative pressure will be produced at feedback port II (2-4) place, with continuing for jet stream, negative pressure will be passed by feedback control pipe II (2-6) Pass, pressure differential of the jet stream in fluidic spaces (2-2) interior both sides constantly reduces, plus the factor such as unstable of jet stream, a period of time Jet stream attached wall in the wall of side wall I (2-7), will flow to jet exit I (2-9) along the side wall, be formed once again afterwards Concussion process；So move in circles, current are intermittent to flow into main jet body (3) and secondary sprinkler body (4), drives nozzle to rotate；When along Main burner (7) spray when, sprinkling among and distant place ground, and along auxiliary jet (8) sprays when, sprinkling nearby extremely middle ground, So that the water-spraying amount on whole circumference face keeps uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441943.8A CN107999291A (en) | 2017-12-27 | 2017-12-27 | A kind of automatic rotary jet nozzle and spray method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441943.8A CN107999291A (en) | 2017-12-27 | 2017-12-27 | A kind of automatic rotary jet nozzle and spray method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107999291A true CN107999291A (en) | 2018-05-08 |
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ID=62061748
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711441943.8A Pending CN107999291A (en) | 2017-12-27 | 2017-12-27 | A kind of automatic rotary jet nozzle and spray method |
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| Country | Link |
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| CN (1) | CN107999291A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308431A (en) * | 2021-12-20 | 2022-04-12 | 江苏大学 | Impeller reversing pulse spray head and spraying method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110108291A1 (en) * | 2008-07-12 | 2011-05-12 | Han Tie Fu | Spary device and operation method thereof |
| CN102865429A (en) * | 2012-10-15 | 2013-01-09 | 江苏大学 | Fluidic impulse tee joint |
| CN105944856A (en) * | 2016-07-04 | 2016-09-21 | 江苏大学 | Double-nozzle fluidic sprinkler and sprinkling method |
| CN105964434A (en) * | 2016-07-04 | 2016-09-28 | 江苏大学 | Load feedback double-nozzle jet flow sprayer and spraying method |
-
2017
- 2017-12-27 CN CN201711441943.8A patent/CN107999291A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110108291A1 (en) * | 2008-07-12 | 2011-05-12 | Han Tie Fu | Spary device and operation method thereof |
| CN102865429A (en) * | 2012-10-15 | 2013-01-09 | 江苏大学 | Fluidic impulse tee joint |
| CN105944856A (en) * | 2016-07-04 | 2016-09-21 | 江苏大学 | Double-nozzle fluidic sprinkler and sprinkling method |
| CN105964434A (en) * | 2016-07-04 | 2016-09-28 | 江苏大学 | Load feedback double-nozzle jet flow sprayer and spraying method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308431A (en) * | 2021-12-20 | 2022-04-12 | 江苏大学 | Impeller reversing pulse spray head and spraying method |
| CN114308431B (en) * | 2021-12-20 | 2023-02-17 | 江苏大学 | Impeller reversing pulse spray head and spraying method |
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