EP1963023A1 - Device for spraying a liquid - Google Patents
Device for spraying a liquidInfo
- Publication number
- EP1963023A1 EP1963023A1 EP06831185A EP06831185A EP1963023A1 EP 1963023 A1 EP1963023 A1 EP 1963023A1 EP 06831185 A EP06831185 A EP 06831185A EP 06831185 A EP06831185 A EP 06831185A EP 1963023 A1 EP1963023 A1 EP 1963023A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- axis
- wall
- rotation
- liquid
- tangential
- 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.)
- Granted
Links
Classifications
-
- 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
- B05B3/0409—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 with moving, e.g. rotating, outlet elements
- B05B3/0418—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 with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine
- B05B3/0422—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 with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements
- B05B3/0427—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 with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements the outlet elements being directly attached to the rotor or being an integral part of it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3006—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being actuated by the pressure of the fluid to be sprayed
Definitions
- the present invention relates to a device for projecting a liquid.
- Such a device is especially used with a cleaning liquid to sterilize pregnant, for example in a bottle filling machine.
- a device for projecting a liquid of the type comprising:
- a liquid flow duct delimiting a liquid inlet opening and a liquid outlet opening
- a rotary nozzle rotatably mounted about an axis of rotation on the liquid outlet opening of the flow conduit, the rotary nozzle being pierced with at least one liquid projection opening oriented along a projection axis making a non-zero angle with the axis of rotation,
- At least one tangential duct for generating at least one tangential jet in a drive axis that does not intersect the axis of rotation
- a drive wall of the nozzle extending vis-à-vis the liquid distribution wall and pierced with at least one receiving duct or each tangential jet to drive the nozzle in rotation.
- the flow conduit is a cylinder whose central direction is the axis of rotation.
- the partition wall of the liquid is a disc integral with the device, the flow conduit.
- Two tangential ducts are formed in this disc symmetrically with respect to the axis of rotation.
- the drive wall is a disk rotatably mounted about the axis of rotation, with a radial clearance allowing lateral displacement with respect to this axis.
- the receiving ducts are grouped on the same side of the disk, that is to say that they are distributed over an arc angle of less than 180 °. In operation of the device, the receiving ducts alternately receive the tangential jets generated by each of the two tangential ducts. Thanks to the lateral play, when the receiving ducts pass a tangential duct, the drive disc is moved laterally to the side of this tangential duct.
- the nozzle comprises a peripheral drive pin integral with the nozzle and extending parallel to the axis of rotation to the periphery of the drive disc.
- a problem of the state of the art is that the nozzle rotates jerkily.
- the drive finger is not in contact with the nozzle, the energy provided by the liquid in the tangential jets is lost.
- the invention aims to remedy these problems by providing a liquid projection device of the aforementioned type, characterized in that the drive wall is integral in rotation with the nozzle.
- a device according to the invention may further comprise one or more of the following features:
- the driving wall is rigidly connected to the nozzle; it comprises at least one locking key in rotation extending parallel to the axis of rotation, at a distance from the latter, the key being engaged, at one end, in a first locking recess provided for this purpose in the nozzle and, at another end, in a second locking recess provided for this purpose in the drive wall;
- the drive wall is pierced with a plurality of receiving conduits oriented parallel to the axis of rotation and uniformly distributed in a circle about this axis;
- the liquid distribution wall is pierced with a plurality of tangential conduits uniformly distributed in a circle around the axis of rotation and opening in front of the receiving ducts;
- each tangential duct delimits a liquid outlet section whose circumferential dimension around the axis of rotation is greater than the circumferential distance around the axis of rotation separating two successive reception ducts;
- Two circular ribs are formed on the drive wall in the direction of the liquid distribution wall, the receiving ducts and being provided between the ribs;
- the parity of the number of tangential ducts is different from the parity of the number of reception ducts
- FIG. 1 is a longitudinal sectional view, along an axis of rotation, a device for projecting a liquid according to the invention
- Figure 2 is a sectional view similar to that of Figure 1 of the liquid distribution wall of the device;
- Figure 3 is a cross-sectional view of the partition wall taken along line 3-3 of Figure 2;
- FIG. 4 is a longitudinal sectional view, offset from the axis of rotation, of the distribution wall, along the line 4-4 of Figure 3;
- FIGS. 6 and 7 are views from above and from below of the driving wall, respectively along the direction 6 and the line 7-7;
- FIG. 8 is a top view of the superposition of the distribution wall and the drive wall.
- the projection device shown in FIG. 1 is designated by the general reference 10.
- It comprises a flow duct 12 of the liquid, a nozzle 14 rotating about an axis of rotation X-X, and means 16 for driving the nozzle 14 with respect to the flow duct 12.
- the flow conduit 12 comprises a hollow cylindrical body 18, of axis XX.
- the body 18 is closed at one end by a transverse wall 18A.
- the wall 18A is pierced with an opening 20, circular, liquid outlet, centered on the axis of rotation XX.
- a first shoulder 25, circular, is formed on the inner surface of the body 18, by internal bore of the end 26 of the body 18 opposite the wall 18A.
- the flow conduit 12 also has a cap 22 closing this opposite end 26.
- the cap 22 comprises a cylindrical wall 22A and a wall 22B forming the bottom of the cap.
- the cylindrical wall 22A of the cap 22 is thicker than the side wall of the body 18 and protrudes inwards, constituting a second shoulder 28 opposite the first shoulder 25.
- the rotary nozzle 14 comprises a tube 27 passing through the liquid outlet opening 20 and a liquid projection ball 29 nested on one end of the tube 27 protruding outside the flow conduit 12.
- the ball 29 and the tube 27 are secured to one another by a pin (not shown) passing through a transverse bore 30.
- the projection ball 29 is pierced with four openings 31, 32, 33, 34 of liquid projection.
- One of the projection apertures called the central projection aperture, is oriented along the axis of rotation XX while the three other apertures 32, 33, 34, said oblique projection apertures are oriented along a respective projection axis X 1 -X 1 , X2-X2, X3-X3 making a non-zero angle with the axis of rotation XX.
- the projection axes are respectively an angle of 45 °, 90 ° and 135 ° with the axis of rotation XX.
- a projection head 31A, 32A, 33A, 34A is plugged into each projection aperture 31, 32, 33, 34.
- Each head is hollow and appropriately reamed to generate a desired type of liquid projection. In the illustrated example, it is a conical projection of liquid.
- the central projection aperture 31 and the 90 ° projection aperture 33 are in the section plane of FIG. 1.
- the other two apertures 32, 34 are respectively displaced towards the front and rear of the aperture. this cutting plane.
- the heads 32A, 34A mounted on these openings have been reported in the plane of solid line.
- One of the apertures 34 is oriented so that the liquid projection by the corresponding head 34A reaches the flow conduit 12, in order to be able to clean it.
- the tube 27 delimits a main duct 38 along the axis of rotation XX to guide the liquid from the body 18 to the projection ball 29, through the outlet opening 20.
- a plastic ring 40 is interposed between the transverse wall 18A and the tube 27, in the opening 20, in order to limit the friction between these two elements.
- the end of the tube 27 located inside the flow duct 12 widens to form an annular recess 42 intended to rest on the ring 40, via a plastic ring 43 threaded onto the tube 27.
- This inner end is also pierced right through by a duct 44, diametrical, perpendicular to the axis of rotation XX and which passes through the main duct 38.
- the means 16 for driving the nozzle comprise a wall 48 for distributing the liquid introduced through the inlet opening 24, and a wall 50 for driving the nozzle 14.
- a ring 51 for retaining the distribution wall 48 is pressed against the body 18 and rests on the second shoulder 28 of the cap 22. This retaining ring forms a new shoulder 51 A opposite the shoulder 25. .
- the distribution wall 48 shown alone in FIGS. 2 to 4, firstly comprises a disc 52 circumscribed between the shoulders 25 and 51A and intended to bear, in operation, on the first shoulder 25 of the body 18.
- the disc 52 is drilled right through at its center, along the axis of rotation XX.
- a hollow chimney 54 rises around this bore along the axis of rotation XX.
- the chimney 54 enters the main duct 38.
- the disc 52 and the chimney 54 delimit a central duct 56 intended to generate, in the main duct 38, a jet in the axis of rotation XX.
- the distribution wall 48 further comprises a calibrated orifice 58 screwed into the central duct 56 and facing the opening 24 of liquid inlet.
- this orifice makes it possible to precisely define a fluid inlet section in the central duct 56.
- the disc 52 is also pierced by four tangential conduits 60, opening away from the axis of rotation XX.
- the tangential ducts 60 are rectilinear along a respective axis, called the drive axis X e -X e - Each tangential duct 60 extends from a frustoconical inlet face 61 of the wall 48 to a face 63 of exit, plane, of it.
- the drive axis X e -X e of each tangential duct is contained in a plane P e parallel to the axis of rotation XX, located at the same distance d of this axis XX.
- the drive axis X e -X e makes a non-zero angle ⁇ , of about 135 °, with the projection of the axis of rotation XX in the plane ( Figure 4).
- the tangential ducts 60 are uniformly distributed around the axis of rotation XX, that is to say that each tangential duct 60 corresponds to the previous tangential duct, moved in rotation by a constant angle. This angle is equal to 90 ° in the illustrated example.
- Each tangential duct 60 is therefore able to generate, from the liquid introduced through the inlet opening 24, a tangential jet in the corresponding drive axis.
- Each tangential duct 60 defines an outlet section of the liquid whose center is at a distance from the axis of rotation.
- the center is at the point of the plane P e closest to the axis of rotation XX, that is to say at the distance d of this axis XX.
- each tangential duct 60 defines an inlet section of the liquid.
- the ratio between the inlet sections of the tangential ducts and the inlet section of the calibrated orifice 58 is chosen so that, as a function of the flow of liquid provided through the opening 24, the tangential jets generated lead to the nozzle 14 at a constant speed of rotation, constant, of the order of a few revolutions per minute.
- the drive wall 50 has the shape of a disk extending opposite the flat, outlet face 63 of the disk 52 of the distribution wall 48, between this disk 52 and the nozzle 14.
- the wall 50 is pierced along its axis of rotation XX, a conduit 62 for passage and guide the chimney 54.
- the wall 50 The drive is thus rotated around the chimney 54.
- the diameter of this disc is slightly smaller than the internal diameter of the body 18, to allow its rotation in the latter.
- the drive wall 50 is also pierced on its thickness with a plurality of conduits 64 for receiving the tangential jets.
- the number of ducts 64 is nine.
- the receiving ducts 64 are rectilinear and oriented parallel to the axis of rotation X-X. They are distributed circularly around the axis of rotation X-X, in a uniform manner. Their center is substantially at the distance d from the axis of rotation X-X, corresponding to the distance d between the center of the outlet of each tangential duct of the same axis of rotation X-X.
- Three cylindrical recesses 66 are furthermore arranged along the X axis in the drive wall 50, each recess 66 opening out towards the tube 27, so as to align with one of the recesses 46 of the nozzle 14.
- the device 10 comprises three rotation locking keys 68 extending parallel to the axis of rotation X-X, at a distance from the latter.
- the device 10 comprises three rotation locking keys 68 extending parallel to the axis of rotation X-X, at a distance from the latter.
- Each key 68 is engaged, at one end, in one of the locking recesses 46 provided for this purpose in the nozzle 14 and, at another end, in one of the complementary locking recesses 66 facing them in the wall 50. 'training.
- the wall 50 is rigidly connected to the nozzle 14, for example by forcing the keys 68 into force.
- first and second ribs 70, 72 are provided on the drive wall 50, in the direction of the distribution wall 48.
- the receiving ducts are disposed between the ribs 70 and 72.
- the first rib 70 extends at the periphery of the drive wall 50, outside the receiving ducts 64.
- the second rib 72 extends between the duct 62 for passage and guiding of the chimney 54 and the receiving ducts 64.
- each tangential duct 60 has a circumferential dimension L about the axis of rotation XX, that is, tangential to the geometric circle of radius d and centered on the axis of rotation XX, greater than the distance
- the operation of the liquid spraying device 10 will now be described.
- the nozzle 14, the distribution wall 48 and the drive wall 50 are free to move slightly along the axis X.
- the wall 48 is capable of moving axially between the shoulder 25 and the retaining ring 51.
- Cleaning liquid is introduced through the inlet opening 24. This fluid pushes the distribution wall 48 against the shoulder 25. The tangential duct entrances 60 are thus released, that is to say that they are no longer covered by the ring 51. The friction between the shoulder 25 and the distribution wall 48 prevents the rotation of this wall 48 about the axis of rotation XX.
- the tangential jets are directed towards the space between the two circular ribs of the drive wall 50.
- these jets are channeled on the receiving ducts 64 and the risk of liquid passing around the periphery of the drive wall 50 between this wall 50 and the body 18 is small.
- the passage of the tangential jets in the receiving ducts 64 causes the rotation of the drive wall 50 around the axis of rotation X-X, the latter driving in turn the nozzle 14 thanks to the keys 68.
- the liquid After having passed through the drive wall 50, the liquid, projected in the form of tangential jets, arrives in the body 18 of the flow conduit 12, before joining the central jet in the main duct 38 via the diametrical conduit 44 .
- the cleaning liquid is thus brought in its entirety through the main duct 38 into the ball 29, from which it will be projected to the outside through the heads 31A, 32A, 33A and 34A projection.
- the pressure drop generated by the rotational drive of the nozzle is low, so that the projection pressure is close the supply pressure unlike what happens in the nozzles of the prior art where the supply pressure is essentially used to rotate the nozzle. Since the energy of the tangential jets is used either to rotate the nozzle 14 or to create the projection pressure, there is no energy loss. Moreover, unlike the known nozzles where the speed of rotation is a function of the supply pressure, the rotational speed of the nozzle of the invention can be adjusted so that it rotates regularly around the nozzle. rotation axis XX; this is done by adjusting the inlet section of the calibrated orifice 58.
Landscapes
- Nozzles (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0512778A FR2894853B1 (en) | 2005-12-15 | 2005-12-15 | DEVICE FOR PROJECTING A LIQUID |
PCT/FR2006/002606 WO2007080243A1 (en) | 2005-12-15 | 2006-11-28 | Device for spraying a liquid |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1963023A1 true EP1963023A1 (en) | 2008-09-03 |
EP1963023B1 EP1963023B1 (en) | 2014-05-07 |
Family
ID=36123563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06831185.1A Not-in-force EP1963023B1 (en) | 2005-12-15 | 2006-11-28 | Device for spraying a liquid |
Country Status (6)
Country | Link |
---|---|
US (1) | US7793864B2 (en) |
EP (1) | EP1963023B1 (en) |
JP (1) | JP5166279B2 (en) |
CN (1) | CN101336137B (en) |
FR (1) | FR2894853B1 (en) |
WO (1) | WO2007080243A1 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101773885B (en) | 2009-12-31 | 2013-05-22 | 广东联塑科技实业有限公司 | Driving device of ascending and descending type buried spray head |
JP5553261B2 (en) * | 2010-04-28 | 2014-07-16 | 株式会社大気社 | COATING GUN AND COATING METHOD USING THE COATING GUN |
DK177453B1 (en) * | 2010-06-15 | 2013-06-17 | Danfoss Semco As | Spray head for a uniform fluid distribution |
DE202011109850U1 (en) * | 2011-04-06 | 2012-08-08 | Lechler Gmbh | Rotating nozzle arrangement |
US20140260992A1 (en) * | 2013-03-15 | 2014-09-18 | Cambridge International Inc. | Rotating cleaner arm filter |
US11730149B2 (en) * | 2013-03-15 | 2023-08-22 | Stephen D. Roche | Self-cleaning pre-filter for a water circulation pump |
CN103316860A (en) * | 2013-06-29 | 2013-09-25 | 国家电网公司 | Special device for cleaning fan vane wheel of transformer |
GB201405611D0 (en) * | 2014-03-28 | 2014-05-14 | An Udder Ip Company Ltd | A teat cup |
DE102015003561A1 (en) * | 2015-03-18 | 2016-09-22 | Gea Tuchenhagen Gmbh | Rotating cleaner |
USD790661S1 (en) * | 2015-11-04 | 2017-06-27 | Armaturenwerk Hoetensleben Gmbh | Nozzle for fluid distribution |
CN105254142B (en) * | 2015-11-27 | 2017-05-31 | 谢睿 | A kind of medical sewage processing unit of antivirus |
JP6419739B2 (en) * | 2016-01-27 | 2018-11-07 | 株式会社スギノマシン | Lance nozzle and apparatus for removing excess sprayed coating provided with the same |
USD834681S1 (en) * | 2017-04-19 | 2018-11-27 | GelTech Solutions, Inc. | Nozzle |
USD828490S1 (en) * | 2017-04-19 | 2018-09-11 | GelTech Solutions, Inc. | Scallop nozzle |
CN112604016B (en) * | 2020-11-30 | 2022-02-15 | 东北大学 | Spraying disinfection device |
CN112718279B (en) * | 2020-12-23 | 2022-03-29 | 开平市汉顺洁具实业有限公司 | Water outlet device capable of rotating to discharge water |
CN112656310B (en) * | 2020-12-25 | 2022-04-22 | 北京小狗吸尘器集团股份有限公司 | Floor sweeper based disinfection method and device, readable storage medium and electronic equipment |
CN113865330B (en) * | 2021-10-09 | 2022-10-11 | 重庆医药高等专科学校 | Dry all-in-one of sterilization |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3120346A (en) * | 1962-10-31 | 1964-02-04 | American Mach & Foundry | Rotary spray devices |
US3506196A (en) * | 1968-03-27 | 1970-04-14 | Rain Jet Corp | Fountain |
US3872533A (en) * | 1972-05-17 | 1975-03-25 | Lester M Proffit | Swimming pool cleaner with rotary scrubbing action |
US3791584A (en) * | 1972-08-25 | 1974-02-12 | Rain Jet Corp | Shower head |
JPS5843961U (en) * | 1981-09-17 | 1983-03-24 | 東光技研工業株式会社 | Rotary spray device |
DE3419964C2 (en) * | 1984-05-29 | 1986-04-17 | Alfred Kärcher GmbH & Co, 7057 Winnenden | Spray head of a high pressure cleaning device |
CN85107997A (en) * | 1985-09-17 | 1987-04-22 | 约拉姆·施瓦克 | Water sprinkler |
JPH01107487U (en) * | 1987-12-29 | 1989-07-20 | ||
DE4328744C1 (en) * | 1993-08-26 | 1994-12-22 | Spraying Systems Deutschland G | Nozzle |
US6193169B1 (en) * | 1993-08-26 | 2001-02-27 | Spraying Systems Deutschland Gmbh | Rotating spray nozzle with controlled braking action |
FR2804886B1 (en) * | 2000-02-15 | 2002-10-31 | Ceinet H P | ROTATING JET ADJUSTMENT FOR HIGH PRESSURE CLEANING APPARATUS |
DE10006864B4 (en) * | 2000-02-16 | 2006-02-09 | Spraying Systems Deutschland Gmbh | cleaning nozzle |
-
2005
- 2005-12-15 FR FR0512778A patent/FR2894853B1/en not_active Expired - Fee Related
-
2006
- 2006-11-28 EP EP06831185.1A patent/EP1963023B1/en not_active Not-in-force
- 2006-11-28 JP JP2008545034A patent/JP5166279B2/en not_active Expired - Fee Related
- 2006-11-28 US US12/096,821 patent/US7793864B2/en not_active Expired - Fee Related
- 2006-11-28 WO PCT/FR2006/002606 patent/WO2007080243A1/en active Application Filing
- 2006-11-28 CN CN2006800520230A patent/CN101336137B/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2007080243A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP5166279B2 (en) | 2013-03-21 |
CN101336137A (en) | 2008-12-31 |
JP2009519126A (en) | 2009-05-14 |
US20080277500A1 (en) | 2008-11-13 |
WO2007080243A1 (en) | 2007-07-19 |
EP1963023B1 (en) | 2014-05-07 |
FR2894853A1 (en) | 2007-06-22 |
CN101336137B (en) | 2011-05-25 |
US7793864B2 (en) | 2010-09-14 |
FR2894853B1 (en) | 2008-03-14 |
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