WO2010063943A1 - Projecteur de produit de revetement - Google Patents
Projecteur de produit de revetement Download PDFInfo
- Publication number
- WO2010063943A1 WO2010063943A1 PCT/FR2009/052359 FR2009052359W WO2010063943A1 WO 2010063943 A1 WO2010063943 A1 WO 2010063943A1 FR 2009052359 W FR2009052359 W FR 2009052359W WO 2010063943 A1 WO2010063943 A1 WO 2010063943A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- channels
- axis
- projector
- outlet
- spraying
- Prior art date
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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
- B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
- B05B3/1092—Means for supplying shaping gas
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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
- B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
- B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
- B05B3/1014—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
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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
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0426—Means for supplying shaping gas
Definitions
- the present invention relates to a rotary coating product projector having outlet channels distributed about the spray axis so as to eject air to form the coating product stream.
- coating product means any product, in liquid or powder form, intended to be projected to an object to be coated, for example a primer, paint or varnish.
- US-A-4,776,520 discloses a rotating liquid paint projector comprising a body comprising a main inner portion and an outer portion attached to the inner portion, in this case by screwing.
- the rotating projector of US-A-4,776,520 further includes a spraying member of the coating material and a turbine.
- the spraying member is arranged at a downstream end of the body so as to form a paint jet, when it is rotated by the turbine.
- Outlet channels are provided in the body, uniformly about the axis of rotation.
- the exit channels have the function of ejecting air to conform the spray of paint, these air jets are usually called “skirt" air.
- the rotating projector also has an exit chamber that is formed in the body and extends around the axis of rotation. The output chamber communicates with each output channel. Upstream of the outlet chamber, an inlet pipe is formed in the body so as to supply compressed air to the outlet chamber, and thus to the outlet channels.
- the subject of the invention is a coating product projector comprising: a body comprising an inner part and an outer part; a spraying member of the coating material, arranged at a downstream end of the body to form a coating product stream, the spraying member being centered on a spraying axis; outlet channels distributed about the spray axis, each outlet channel being formed in the body so as to eject air to form the coating product stream; at least one exit chamber formed between the inner portion and the outer portion, the exit chamber extending about the spray axis, the exit chamber communicating with the exit channels; at least one inlet pipe formed in the body, the inlet pipe being intended to supply air to the outlet channels.
- the projector is characterized in that it further comprises: at least two intermediate chambers juxtaposed along the spraying axis, each intermediate chamber being formed between the inner part and the outer part, each intermediate chamber extending around the outside. spraying axis, at least one inlet pipe communicating with the intermediate chamber furthest axially from the spraying member; intermediate channels formed between the inner portion and the outer portion, two juxtaposed intermediate chambers being connected by a set of intermediate channels, the intermediate channels of the same set being distributed around the spray axis; outlet ducts extending between the axially nearest intermediate chamber of the spraying member and the outlet chamber, the outlet ducts being distributed around the spraying axis. Thanks to the invention, the two chambers and the intermediate channels make it possible to distribute the flow of air towards the outlet chamber, in a controlled manner, around the spraying axis.
- the ratio between the number of output pipes and the number of intermediate channels belonging to the assembly connecting the two intermediate chambers axially closest to the spray member is greater than or equal to 0.25;
- the number of outlet ducts is greater than or equal to 4, preferably 8;
- the number of intermediate chambers is between 2 and 8;
- the number of outlet ducts is greater than 4, preferably equal to 8; the ratio between the number of intermediate channels belonging to the assembly connecting the two intermediate chambers axially closest to the atomizer member and the number of intermediate channels belonging to the assembly connecting the two intermediate chambers furthest away axially from the spraying member is between 1, 5 and 10, preferably 2;
- a total flow section of the intermediate channels belonging to an assembly connecting two intermediate chambers axially distant from the spray member is less than or equal to a total flow section of the intermediate channels belonging to an assembly connecting two intermediate chambers axially closer to the spraying member;
- the intermediate channels of the same set have respective flow sections substantially identical and the output lines have respective flow sections substantially identical;
- the total flow section of the outlet pipes is greater than or equal to the total flow section of the inlet pipe or lines, the total flow section of the outlet pipes is greater than or equal to a total flow section of the intermediate channels belonging to the same set and in that a total flow section of the intermediate channels belonging to the same set is greater than or equal to the total flow section of the inlet pipe or conduits;
- the intermediate chambers and the outlet chamber each have a generally annular shape with symmetry of revolution about the spray axis;
- Each intermediate chamber is constituted by an annular groove and each intermediate channel is constituted by a notch extending parallel to the spray axis; each groove and notch is formed by a respective hollow recess on the inner portion and / or the outer portion, and the outer portion and the inner portion have generally complementary shapes therebetween, so as to completely cover each recess;
- the intermediate channels belonging to the same set occupy angular positions around the spray axis which are angularly offset about the spray axis relative to the intermediate channels belonging to a set juxtaposed;
- the projector comprises at least one ring rotatable about the spraying axis and a set of intermediate channels is formed in said movable ring; each intermediate chamber and each intermediate channel are formed by cavities of a porous piece.
- FIG. 1 is a perspective view truncated of a rotating projector according to a first embodiment of the invention
- - Figure 2 is a perspective view, on a larger scale and at an angle different from that of Figure 1, a portion of the projector of Figure 1;
- FIG. 3 is a perspective view with broken away, at an angle different from that of Figure 2, the part of the projector of Figure 2;
- Figure 4 is a schematic sectional view along the plane IV in Figure 2;
- FIG. 5 is a schematic sectional view along the plane V in Figure 2;
- - Figure 6 is a section similar to Figure 4 made in a projector according to a second embodiment of the invention.
- FIG. 7 is a section similar to FIG. 5 made in the projector of FIG.
- FIG. 1 shows a rotating projector P, for the projection of liquid coating product, which comprises a spraying member of the coating product, hereinafter referred to as bowl 1 according to its usual name given because of its shape.
- the bowl 1 is arranged at a downstream end of a body 50.
- the bowl 1 is shown in a spray position, where it is rotated at high speed around an axis Xi by drive means comprising a turbine T with compressed air, the envelope is symbolized in phantom in Figure 1.
- the axis Xi is the axis of rotation of the bowl 1.
- the axis Xi forms a spray axis for the projector P.
- the body 50 is fixed, that is to say it does not rotate about the axis Xi
- the body 50 can be mounted on a base 60 of the projector P which is partially symbolized in phantom in Figure 1 and which is itself intended to be mounted on a wrist of a multiaxis robot arm not shown.
- the body 50 comprises an inner portion 20 and an outer portion 70.
- the outer portion 70 is usually called skirt.
- the outer portion 70 and the inner portion 20 are integral, that is to say one-piece or attached to one another.
- the outer portion 70 is in this case secured to the inner portion 20, for example by screwing.
- the outer portion 70 generally has the shape of a truncated ogive converging towards the downstream end of the body 50.
- the adjective “internal” designates an element relatively close to the axis Xi or oriented towards the axis Xi
- the adjective “external” designates an element that is further away or oriented in opposite directions to the axis Xi.
- the adjective “proximal” designates an element relatively close to the base 60
- the adjective “distal” designates an element that is more distant.
- the bowl 1 has a concave shape that has a symmetry of revolution about the axis Xi As is known per se, the bowl 1 can spray the coating product into fine droplets. All of these droplets form a jet of product J 42 , shown in phantom in Figure 1, which leaves the bowl 1 and goes to an object to be coated, not shown, on which the product jet J 42 forms a impact.
- the projector P has output channels 41 which are distributed around the axis X 1 and which open at the downstream end of the body 50 on orifices 42. In operation, it outputs a jet air jet J 42 of each orifice 42 extending an outlet channel 41.
- the air jets J 42 make it possible to shape the jet of product J 1 and to guide them towards the object to be coated.
- Each outlet channel 41 is formed in the body 50, that is to say in the inner portion 20 or in the outer portion 70. In this case, each outlet channel 41 is drilled in the downstream portion of the portion In practice, each output channel can be made differently.
- an outlet chamber 324 is formed, at the downstream end of the inner portion 20, between the inner portion 20 and the outer portion 70.
- the outlet chamber 324 has a shape rotationally symmetrical ring which extends around the axis Xi and just upstream of the outlet channels 41.
- the outlet chamber 324 communicates with the outlet channels 41.
- the projector P has two inlet ducts 201 and 202 which are formed in the body 50 so as to supply air to the outlet chamber 324, and thus to the outlet channels 42.
- the terms "input”, “output”, “upstream” and “downstream” are used by reference to the general direction of flow of compressed air in the projector P, from the interface between the projector P and the base 60, which defines an upstream input, to the output channels 42 which define downstream outputs.
- the inner portion 20 generally consists of a proximal portion 203 of substantially cylindrical shape with a circular base of axis Xi, and a distal portion 204 of generally frustoconical shape and whose bulk is smaller than to that of the proximal portion 203.
- chamber means an enclosure, that is to say a hollow volume and entirely delimited by walls. Such a chamber has openings for the entry and exit of fluid respectively in and out of the chamber.
- connection refers to the communication of fluid, in particular compressed air, that is to say to a link that allows a fluid, gaseous or liquid, to flow or flow between two or more points or parts.
- a link can be direct or indirect, that is to say realized by a pipe, a pipe, a pipe and so on.
- nouns derived from these verbs, such as “connection” and “connection” relate to such fluid communication.
- feed refers to a flow of fluid, in particular compressed air.
- the inlet ducts 201 and 202 extend through the thickness of the proximal portion 203 and along the axis Xi.
- the inlet ducts 201 and 202 are here diametrically opposite with respect to the axis Xi. Alternatively, the inlet ducts may occupy other angular positions around the spray axis.
- the inlet pipes 201 are connected to a compressed air supply pipe not shown.
- each intermediate chamber 210, 230 or 250 has a generally annular shape with a circular base around the axis Xi.
- each intermediate chamber 210, 230 or 250 extends around the axis Xi
- Each chamber intermediate 210, 230 or 250 is formed between the inner portion 20 and the outer portion 70.
- the inlet pipe 201 opens into the intermediate chamber 210 which is the furthest axially from the bowl 1.
- the intermediate chambers 210, 230 and 250 are parallel to each other.
- the intermediate chambers 210 and 230 are separated by a first rib 220 which has a generally annular shape with a circular base around the axis Xi.
- the intermediate chambers 230 and 250 are separated by a second rib 240 which has a generally annular shape with a circular base around the axis Xi.
- the outer diameter of the first rib 220 and the second rib 240 corresponds to the outer diameter of the proximal portion 203 and the inner diameter of the outer portion 70.
- the outer radial surfaces of the first rib 220 and the second rib 240 bear against the inner cylindrical surface of the outer portion, which makes their interface substantially airtight.
- intermediate channels 221, 222, 223 and 224 there are 220 intermediate channels 221, 222, 223 and 224, visible in FIGS. 4 and 5 and, for two of them, in FIGS. 2 and 3.
- These four intermediate channels 221 to 224 extend parallel to the axis Xi between the intermediate chambers 210 and 230.
- These four intermediate channels 221 to 224 thus open on the one hand into the intermediate chamber 210 and on the other hand in the intermediate chamber 230.
- the intermediate channels extend in an axial component direction, this direction being non-parallel to the spray axis.
- intermediate channels 241, 242, 243, 244, 245, 246, 247 and 248, visible in Figures 4 and 5 and, for four of them, in Figures 2 and 3.
- the intermediate channels 241 to 248 extend parallel to the axis Xi between the intermediate chambers 230 and 250.
- Each intermediate channel 241, 242, 243, 244, 245, 246, 247 or 248 therefore opens into the intermediate chamber 230 and in the intermediate chamber 250.
- Intermediate channels 221 to 224 form a first set of intermediate channels.
- the intermediate chambers 210 and 230 are thus connected by the first set of intermediate channels, namely the intermediate channels 221 to 224.
- the intermediate channels 241 to 248 form a second set of intermediate channels.
- the intermediate chambers 230 and 250 are thus connected by the second set of intermediate channels, namely the intermediate channels 241 to 248.
- two intermediate chambers juxtaposed along the axis Xi are relé by a set of intermediate channels.
- the ratio between the number of intermediate channels 241 to 248, which belong to the second set connecting the intermediate chambers 230 and 250, the axially closest to the bowl, and the number of intermediate channels 221 to 224, which belong to the first set connecting the chambers Intermediates 210 and 230, the furthest axially from the bowl, is here 2 because there are four intermediate channels 221 to 224 and eight intermediate channels 241 to 248.
- this ratio between the numbers of intermediate channels belonging to the assemblies respectively connecting the two intermediate chambers axially closest to the bowl and the two intermediate chambers farthest away from the bowl is between 1, 5 and 10, preferably 2.
- Each intermediate channel 221 to 224 and 241 to 248 is constituted by a notch which extends parallel to the axis Xi. Each of these notches is formed by respective recess which is made recessed on the outer surface of the inner portion 20.
- the intermediate channels 221 to 224 and 241 to 248 allow the flow of air between the intermediate chambers 210, 230 and 250 .
- Each intermediate chamber 210, 230 or 250 is constituted by a groove whose cross section to the axis Xi is tubular with a circular base. Each of these grooves is formed by a respective recess which is hollowed out on the outer surface of the inner portion 20.
- the intermediate chambers 210, 230 and 250 conduct the flow of air between the inlet pipe 201 and pipes output 261, 262, 263, 268 and equivalents described hereinafter.
- the outer portion 70 has a shape generally complementary to the shape of the inner portion 20. These complementary shapes of the outer portion and the inner portion 20 are determined so that the outer portion completely covers each of the recesses of the inner portion 20, that is to say each intermediate chamber 210, 230 or 250 and each intermediate channel 241 to 248. In other words, the intermediate chambers 210, 230 and 250 and the intermediate channels 221 to 224 and 241 to 248 are thus formed between the inner portion 20 and the outer portion 70.
- the rotating projector P has eight outlet ducts, four of which are visible in FIGS. 2 and 3 with references 261, 262, 263 and 268.
- each outlet pipe 261, 262, 263, 268 or equivalent extends in the inner portion 20, between the outlet chamber 324 and the intermediate chamber 250 which is the axially closest to the bowl 1.
- the outlet lines 261, 262, 263, 268 and the like are distributed uniformly around the axis Xi.
- each outlet line 261, 262, 263, 268 or equivalent is composed of a radial section 268.1 and an axial section 268.2 which are drilled in the part 204.
- the radial and axial sections of the outlet pipes 261, 262, 263, 268 and the like are cylindrical and have diameters respectively identical to each other.
- the body 50 is structured so as to equalize the air pressures prevailing around the axis Xi in the outlet chamber 324.
- the intermediate channels of the same set are distributed around the axis Xi
- distributed means intermediate channels distributed over the entire circumference of the first rib 220 or the second rib 240. In other words, the channels intermediates of the same set are not concentrated in a narrow angular sector, but instead “spread" around the axis Xi.
- the intermediate channels 221 to 224 or 241 to 248 of the same set are uniformly distributed around the axis Xi, so that two intermediate channels successive ones in a circumferential direction are separated by a constant angle.
- Two intermediate channels 221 to 224 neighbors form an angle A of about 90 °. In practice, the angle A is between 60 ° and 120 °. Two intermediate channels 241 to 248 neighbors form an angle B of about 45 °. In practice, the angle B is between 30 ° and 60 °.
- the number of output lines 261, 262, 263, 268 and equivalents namely eight, is here equal to the number of intermediate channels 241 to 248 belonging to the second set which connect the intermediate chambers 230 and 250, which are the closest axially of the bowl 1.
- the ratio between the number of outlet pipes 261, 262, 263, 268 and equivalents and the number of intermediate channels 241 to 248 is therefore 1.
- the number of outlet ducts is greater than or equal to four and the ratio between the number of outlet ducts and the number of intermediate ducts belonging to the assembly connecting the two intermediate chambers closest axially to the control unit.
- spray that is to say the "downstream" set
- This ratio is 0.25 when, for example, there are four outlet pipes and thirty-two intermediate channels belonging to the "downstream” assembly.
- Such a ratio makes it possible to equalize the air pressures in the intermediate chamber 250, that is to say upstream of the outlet pipes 261, 262, 263, 268 and equivalent.
- the intermediate channels of the same set, first or second have substantially identical flow sections.
- the flow section of each intermediate channel 221 to 224 is roughly rectangular, of I221 width and height h 2 2i-
- the I221 width is about 4 mm.
- the height h 2 2i is about 2 mm.
- the intermediate channels 241 to 248 of the second set have débitantes sections identical to one another, of approximately rectangular shape, width I 242 and height h 242.
- the intermediate channels of the same set may have any shape.
- Figure 3 illustrates the air flows by curved arrows. As shown by these arrows, a rotating projector according to the invention makes it possible to evenly distributing pressures and airflows from the inlet lines 201 and 202 to the outlet chamber 324.
- the intermediate channels 221 to 224 of the first set occupy symmetrical angular positions around the axis X 1, since they are separated successively by the constant angle A in pairs.
- the intermediate channels 241 to 248 of the second set occupy symmetrical angular positions around the axis Xi, since they are separated successively by the constant angle B in pairs.
- the intermediate channels 221 to 224 each occupy an angular position which is offset from the inlet line 201.
- the inlet line 201 and one of the intermediate channels 221 to 224 form an angle C on the non-zero axis Xi which is approximately 45 °.
- the angular position of an intermediate channel is defined in a plane orthogonal to the axis Xi and with reference to a substantially median axis of this intermediate channel, such an axis being shown in phantom in FIGS.
- the intermediate channels 241 to 248 each occupy an offset angular position with respect to the intermediate channels 221 to 224.
- an intermediate channel 241 to 248 and an intermediate channel 221 to 224 adjacent to each other form an angle D on the non-zero axis Xi which is about 22.5 °.
- the intermediate chambers 210, 230 and 250 and the intermediate channels 221 to 224 and 241 to 248 define a kind of labyrinth which forces the air injected through the inlet pipe 201 to be distributed uniformly around the axis Xi Par. elsewhere, the total flow section of the outlet channels 42 is greater than or equal to the total flow section of the inlet pipes 201 and 202. In addition, the total flow section of the outlet channels is greater than or equal to a total flow section of the intermediate channels 221 to 224 or 241 to 248 belonging to the same set, first or second.
- the total flow section of the intermediate channels 221 to 224 or 241 to 248 belonging to the same set, first or second is greater than or equal to the total flow section of the inlet pipe 201.
- flow section is meant the section through which compressed air can flow.
- total flow section is meant the sum of the unit flow sections of several elements identical to each other, such as the intermediate channels of the same set or the outlet pipes. More generally, the total flow section increases, from upstream to downstream, to each "flow" component of the labyrinth, which limits the pressure drops and avoids a local increase in air pressure which tends to unbalance the air in the air. skirt.
- the total flow section that is to say 4.l 2 2i-h 2 2i, intermediate channels 221 to 224 of the first set, which connects the intermediate chambers 210 and 230 furthest away axially from the bowl 1, is less than the total flow section, or 8.l 24 ih 24 i, intermediate channels 241 to 248 of the second set, which connects the intermediate chambers 230 and 250 the axially closest to the bowl 1.
- the rotating projector further comprises an organ air deflection which is located in the outlet chamber 324 and which also improves the uniformity of the air pressures around the axis Xi.
- the body shown in FIGS. 2 to 5 comprises three intermediate chambers 210, 230 and 250.
- the number of intermediate chambers is between two and eight.
- Figures 6 and 7 show a portion of an alternative to the projector of Figures 1 to 5, wherein the body comprises a single inlet pipe 601 and two juxtaposed chambers.
- the first set of intermediate channels then comprises two intermediate channels 621 and 622 which are diametrically opposed and which are offset, in a plane transverse to the spraying axis X 6 , by an angle C 6 , similar to the angle C, approximately 90 ° with respect to the inlet line 601.
- the second set of intermediate channels comprises four intermediate channels 641, 642, 643 and 644 separated in pairs from an angle B 6 , similar to the angle B, approximately 90 ° and angularly distributed between the intermediate channels 621 and 622 of the first set, the angle of offset D 6 similar to the angle D being approximately 45 °.
- a projector according to the invention comprises at least one ring movable in rotation about the spray axis.
- Such a movable ring makes it possible to adjust the relative angular position of the intermediate channels of this assembly with respect to the channels of a juxtaposed assembly, typically the angle D or D 6 .
- it controls the distribution of skirt air flow around the spray axis.
- skirt air of generally elliptical shape and no longer circular as in the variant illustrated in FIGS. 1 to 7. It is also possible to provide a plurality of rings that are mobile in rotation independently of each other, to adjust the flow rates of the air. skirt.
- the body may comprise a plurality of intermediate chambers in the form of annular portions disjoint around the axis of rotation.
- the grooves and notches which respectively form the intermediate chambers and the intermediate channels are formed in the outer part of the body, such as the outer part 70.
- the intermediate chambers and the intermediate channels are then covered by the part internal form globally complementary to the external part.
- the projector comprises two or more inlet pipes which respectively inject compressed air into separate intermediate chambers, for example the furthest axially from the bowl and that which is juxtaposed with it.
- Such inlet ducts are in any case intended to supply air to the outlet channels, such as the inlet ducts 201 and 202.
- the intermediate channels of the same set may have different respective flow sections.
- the respective debiting sections of each intermediate channel is determined as a function of the distance between the respective intermediate channel and the air inlet, input line or upstream intermediate channel, the nearest.
- an intermediate channel may have a debiting section greater than that of its neighbor overall, especially if it is placed further from the air inlet. Such dimensioning ensures a relatively uniform distribution of air flows flowing in the intermediate channels of the same set.
- the intermediate chambers and the intermediate channels are formed in one or more porous part (s), composed of one or more porous mathehau (x), such as a polymer foam, a sintered piece of plastic or metal material or any other material of sufficient porosity, the cavities and the connections between them form the intermediate chambers and the successive intermediate channels.
- This porous piece is attached to a non-porous part, such as the inner part 20 mentioned above.
- the intermediate chambers and the intermediate channels may then have irregular geometries, since they respectively consist of cavities or porosities of the porous part.
- the porosity of the part is expected to be less important near the pipe (s) of entry and more important far from the pipe (s). (s) entry.
- the invention is also applicable in the case of a projector comprising several groups of output channels, each ejecting a generally annular skirt air.
- a projector then comprises two disjoint groups each comprising one or more inlet ducts, at least two intermediate chambers, sets of intermediate ducts, outlet ducts and outlet ducts.
- the invention has been shown with a rotary sprayer provided with a bowl 1 rotating about the axis Xi. However, it is applicable to a sprayer or a fixed nozzle projector, this nozzle being centered on a spraying axis. Although described with reference to a liquid product projector, the invention is applicable to powder product projectors.
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- Electrostatic Spraying Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011539076A JP5698143B2 (ja) | 2008-12-02 | 2009-12-01 | 被覆材料噴霧器 |
EP09801733.8A EP2361157B1 (fr) | 2008-12-02 | 2009-12-01 | Projecteur de produit de revetement |
CN200980154431.0A CN102281955B (zh) | 2008-12-02 | 2009-12-01 | 涂料喷射器 |
PL09801733T PL2361157T3 (pl) | 2008-12-02 | 2009-12-01 | Rozpylacz materiału powłokowego |
ES09801733.8T ES2565841T3 (es) | 2008-12-02 | 2009-12-01 | Proyector de producto de revestimiento |
US13/131,555 US8590807B2 (en) | 2008-12-02 | 2009-12-01 | Coating material atomizer |
KR1020117015067A KR101698432B1 (ko) | 2008-12-02 | 2009-12-01 | 코팅 재료 배출기 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0806770 | 2008-12-02 | ||
FR0806770A FR2939056B1 (fr) | 2008-12-02 | 2008-12-02 | Projecteur de produit de revetement |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010063943A1 true WO2010063943A1 (fr) | 2010-06-10 |
Family
ID=40847781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2009/052359 WO2010063943A1 (fr) | 2008-12-02 | 2009-12-01 | Projecteur de produit de revetement |
Country Status (9)
Country | Link |
---|---|
US (1) | US8590807B2 (fr) |
EP (1) | EP2361157B1 (fr) |
JP (1) | JP5698143B2 (fr) |
KR (1) | KR101698432B1 (fr) |
CN (1) | CN102281955B (fr) |
ES (1) | ES2565841T3 (fr) |
FR (1) | FR2939056B1 (fr) |
PL (1) | PL2361157T3 (fr) |
WO (1) | WO2010063943A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150258556A1 (en) * | 2012-09-28 | 2015-09-17 | Agco Corporation | Reclamation system for a controlled droplet applicator |
JP5748830B2 (ja) * | 2013-12-13 | 2015-07-15 | 施 顯照Hsien−Chao, SHIH | 塗装用スプレーガン |
CA2937837C (fr) * | 2014-01-29 | 2019-08-06 | Honda Motor Co., Ltd. | Dispositif de revetement par atomisation rotatif et tete de pulverisation |
US9375734B1 (en) * | 2015-06-16 | 2016-06-28 | Efc Systems, Inc. | Coating apparatus turbine having internally routed shaping air |
FR3064198B1 (fr) * | 2017-03-23 | 2021-10-01 | Air Liquide France Ind | Dispositif d'injection d'un fluide cryogenique par le bas d'un melangeur |
IT201900021954A1 (it) * | 2019-11-22 | 2021-05-22 | Demaclenko It S R L | Gruppo erogatore per un generatore di neve e generatore di neve comprendente detto gruppo erogatore |
FR3117910B1 (fr) * | 2020-12-18 | 2023-04-07 | Exel Ind | Robot, système et procédé de poudrage électrostatique |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4776520A (en) | 1987-05-11 | 1988-10-11 | Binks Manufacturing Company | Rotary atomizer |
JPH0295556U (fr) * | 1989-01-13 | 1990-07-30 | Gema Ransburg Ag | |
JPH03284368A (ja) * | 1990-03-29 | 1991-12-16 | Mazda Motor Corp | 回転霧化静電塗装装置 |
JPH08131902A (ja) * | 1994-11-11 | 1996-05-28 | Abb Ransburg Kk | 回転霧化頭型塗装装置 |
JPH09192545A (ja) | 1996-01-23 | 1997-07-29 | Nissan Motor Co Ltd | 回転霧化静電塗装装置 |
JPH09271696A (ja) * | 1996-04-05 | 1997-10-21 | Asahi Sanac Kk | 回転電極式静電塗装ガン |
JPH11300239A (ja) * | 1998-04-20 | 1999-11-02 | Nissan Motor Co Ltd | メタリック塗料塗装方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2619497B2 (ja) | 1988-09-29 | 1997-06-11 | 豊田工機株式会社 | 端面測定装置を備えた研削装置 |
JPH0970557A (ja) * | 1995-09-05 | 1997-03-18 | Toyota Motor Corp | 回転霧化静電塗装ハンドガン |
JPH1015440A (ja) * | 1996-07-08 | 1998-01-20 | Ransburg Ind Kk | 静電塗装機 |
KR100265890B1 (ko) * | 1996-12-03 | 2000-09-15 | 라붸 린도베르 | 회전무화 헤드형 도장장치 |
JP4235328B2 (ja) * | 1999-11-29 | 2009-03-11 | 本田技研工業株式会社 | 回転霧化式塗装装置 |
JP3870794B2 (ja) * | 2002-02-04 | 2007-01-24 | 日産自動車株式会社 | 回転霧化塗装装置 |
JP4843257B2 (ja) * | 2005-06-06 | 2011-12-21 | トリニティ工業株式会社 | エア制御弁、及び塗装システム |
US9346064B2 (en) * | 2005-09-16 | 2016-05-24 | Carlisle Fluid Technologies, Inc. | Radius edge bell cup and method for shaping an atomized spray pattern |
-
2008
- 2008-12-02 FR FR0806770A patent/FR2939056B1/fr active Active
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2009
- 2009-12-01 PL PL09801733T patent/PL2361157T3/pl unknown
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- 2009-12-01 WO PCT/FR2009/052359 patent/WO2010063943A1/fr active Application Filing
- 2009-12-01 KR KR1020117015067A patent/KR101698432B1/ko active IP Right Grant
- 2009-12-01 JP JP2011539076A patent/JP5698143B2/ja active Active
- 2009-12-01 CN CN200980154431.0A patent/CN102281955B/zh active Active
- 2009-12-01 EP EP09801733.8A patent/EP2361157B1/fr active Active
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4776520A (en) | 1987-05-11 | 1988-10-11 | Binks Manufacturing Company | Rotary atomizer |
JPH0295556U (fr) * | 1989-01-13 | 1990-07-30 | Gema Ransburg Ag | |
JPH03284368A (ja) * | 1990-03-29 | 1991-12-16 | Mazda Motor Corp | 回転霧化静電塗装装置 |
JPH08131902A (ja) * | 1994-11-11 | 1996-05-28 | Abb Ransburg Kk | 回転霧化頭型塗装装置 |
JPH09192545A (ja) | 1996-01-23 | 1997-07-29 | Nissan Motor Co Ltd | 回転霧化静電塗装装置 |
JPH09271696A (ja) * | 1996-04-05 | 1997-10-21 | Asahi Sanac Kk | 回転電極式静電塗装ガン |
JPH11300239A (ja) * | 1998-04-20 | 1999-11-02 | Nissan Motor Co Ltd | メタリック塗料塗装方法 |
Also Published As
Publication number | Publication date |
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US20110277685A1 (en) | 2011-11-17 |
JP5698143B2 (ja) | 2015-04-08 |
FR2939056A1 (fr) | 2010-06-04 |
KR101698432B1 (ko) | 2017-01-20 |
US8590807B2 (en) | 2013-11-26 |
CN102281955B (zh) | 2014-06-25 |
EP2361157B1 (fr) | 2016-03-02 |
ES2565841T3 (es) | 2016-04-07 |
CN102281955A (zh) | 2011-12-14 |
EP2361157A1 (fr) | 2011-08-31 |
FR2939056B1 (fr) | 2011-01-07 |
JP2012510363A (ja) | 2012-05-10 |
KR20110103985A (ko) | 2011-09-21 |
PL2361157T3 (pl) | 2016-08-31 |
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