CN104024465A - Pressure masking systems and methods for using the same - Google Patents
Pressure masking systems and methods for using the same Download PDFInfo
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- CN104024465A CN104024465A CN201280065042.2A CN201280065042A CN104024465A CN 104024465 A CN104024465 A CN 104024465A CN 201280065042 A CN201280065042 A CN 201280065042A CN 104024465 A CN104024465 A CN 104024465A
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- Prior art keywords
- pressurization
- fluid
- target surface
- path
- masking
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/01—Selective coating, e.g. pattern coating, without pre-treatment of the material to be coated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/611—Coating
Abstract
Methods of pressure cleaning or coating a target surface of an article comprising one or more passageways include fluidly connecting a pressure masker comprising pressurized masking fluid to a first side of at least one passageway, passing the pressurized masking fluid through the at least one passageway from the first side to a second side comprising the target surface, and, cleaning the target surface using a cleaning material (or coating the target surface using a coating material), wherein the pressurized masking fluid passing through the at least one passageway prevents the cleaning material (or coating material) from permanently altering a cross sectional area of the at least one passageway.
Description
Technical field
The embodiment of the disclosed theme of this specification sheets relates to masking system (masking systems).Other embodiment relate to for the aisled goods of cleaning band or for the pressure masking system of the aisled goods of coating zone.
Background technology
In gas turbine engine (for example, as aircraft engine), air is inhaled into the front portion of engine, is compressed by the revolution type compressor that axle is installed, and and fuel mix.Make mixture burns, and hot waste gas is passed be arranged on the turbine on axle.Gas stream rotary turbine machine, described turbine rotation axis drive compression machine and fan.Hot waste gas flows from engine rear, thereby drives engine and aircraft forward.
In the operational process of gas turbine engine, burning gas temperature can exceed 3000 °F (approximately 1650 DEG C), is much higher than the melt temperature of the metal parts of these gases of contact of engine.The operation under the gas temperature higher than metal parts melt temperature of these engines is well-known technology, and depends in part on the outside surface that by the whole bag of tricks, cooling air supply is arrived to metal parts.Especially therefore the temperatures involved that is subject to of these engines also requires especially to note that cooling metal parts is exactly the part on the metal parts of formation burner and the rear portion that is positioned at burner.
Metal temperature can be by maintaining lower than melt level such as the cooling hole being incorporated in some engine parts with path.Sometimes, thermal barrier coating (" TBC ") also can pass through pressure coating process (for example, hot-spraying techniques) and is coated to parts.For example, but hot-spraying techniques and other cleaning procedures (, sandblast, shot-peening, water spray washing) cause overspray conventionally, described overspray is the cooling hole of obstructing part partially or completely.
Therefore, current coating (for example, thermospray) technique and cleaning procedure relate to a kind of height labour intensive technique of multi-step: the part layer of coating TBC coating; The temperature that allows parts and TBC to be fully cooled to parts to be easy to process; Occur from above to remove parts on the application fixture of thermospray; And remove any part of sheltering, then use subsequently water spray or other cleaning methods to remove individually fully cooling gel coating from cooling hole.Exceed them and can carry out gratifying clean level in order to prevent that cooling hole from becoming to block, before clean, only a part for TBC thickness is expected in coating.Therefore, the conventionally necessary repeated several times of whole technique, expects TBC thickness until reach.This complicated technology causes poor efficiency, high cycle time, and to make cost be five to ten times of cost that same TBC are coated to similar atresia part.Even in the time of coating not, can make similarly cooling hole overflow and the obstruction of goods for the pressure cleaning method of the target surface of cleaning article.
Therefore it will be welcome in this area, substituting pressure masking system.
Summary of the invention
One embodiment of the present of invention relate to a kind of target surface that comprises one or more paths to goods and carry out the method that pressure is clean or pressure is coated with.Described method comprises and will comprise that the pressure buried body (pressure masker) that fluid is sheltered in pressurization is fluidly connected to the first side of at least one path, and make described pressurization shelter fluid from described the first side to the second side that comprises target surface through at least one path.Described method comprises further by respectively cleaning material or coating material trend of purchasing target surface being cleaned to target surface or coating target surface.Shelter fluid through the pressurization of described at least one path and prevent that cleaning material or coating material (if applicable) from for good and all changing the section area of described at least one path.
Another embodiment of the present invention relates to a kind of pressurization masking system of the target surface that comprises path for clean or coated article.Described pressurization masking system comprises pressure buried body, and described pressure buried body is configured to the first side of at least one path that is fluidly connected to goods, and make pressurization shelter fluid from the first side to the second side through described path.Described the second side comprises target surface.Described system comprises further and is configured to the part spreader cleaning material being invested to the part clearer of target surface or be configured to coating material to invest target surface.Pressurization is sheltered fluid and is prevented that respectively cleaning material or coating material from for good and all changing the section area of at least one path.
In another embodiment of the present invention, disclose a kind of target surface that comprises one or more paths to goods and carry out the clean method of pressure.Described method comprises: will comprise that pressure buried body that fluid is sheltered in pressurization is fluidly connected to the first side of at least one path; Make pressurization shelter fluid and pass at least one path from the first side to the second side that comprises target surface; And use the clean target surface of cleaning material, wherein shelter fluid through the pressurization of at least one path and prevent that cleaning material from for good and all changing the section area of at least one path.
In another embodiment of the present invention, a kind of pressurization masking system of the target surface that comprises path for cleaning article is disclosed.Described pressurization masking system comprises pressure buried body, described pressure buried body is fluidly connected to the first side of at least one path of goods, and make pressurization shelter fluid and pass described path from the first side to the second side, wherein said the second side comprises target surface.Pressurization masking system further comprises the part clearer of cleaning material being invested to target surface, and wherein pressurization is sheltered fluid and prevented that cleaning material from for good and all changing the section area of at least one path.
In another embodiment of the present invention, a kind of method of the target surface that comprises one or more paths of goods being carried out to pressure coating is disclosed.Described method comprises: will comprise that pressure buried body that fluid is sheltered in pressurization is fluidly connected to the first side of at least one path; Make pressurization shelter fluid and pass at least one path from the first side to the second side that comprises target surface; And use coating material coating target surface, wherein shelter fluid through the pressurization of at least one path and prevent that coating material from for good and all changing the section area of at least one path.
In another embodiment of the present invention, a kind of pressurization masking system of the target surface that comprises path for coated article is disclosed.Described pressurization masking system comprises pressure buried body, described pressure buried body is fluidly connected to the first side of at least one path of goods, and make pressurization shelter fluid and pass described path from the first side to the second side, wherein said the second side comprises target surface.Pressurization masking system further comprises the part spreader of coating material being invested to target surface, and wherein pressurization is sheltered fluid and prevented that coating material from for good and all changing the section area of at least one path.
Read by reference to the accompanying drawings following detailed description in detail, will more completely understand these and other feature that embodiment discussed in this description provides.
Brief description of the drawings
The embodiment essence of setting forth is in the accompanying drawings illustrative and is exemplary, but not is intended to the present invention that restriction is defined by the claims.When read in conjunction with the accompanying drawings, will understand better the following detailed description of illustrated embodiment, wherein analog structure adopts similar reference number instruction, in the accompanying drawings:
Fig. 1 is according to this specification sheets illustrate or the schematic diagram of the pressure masking system of the one or more embodiment that describe;
Fig. 2 is according to this specification sheets illustrate or the skeleton view of the pressure masking system of the one or more embodiment that describe;
Fig. 3 is according to this specification sheets illustrate or the skeleton view of another pressure masking system of the one or more embodiment that describe;
Fig. 4 be according to this specification sheets illustrate or the explanation working pressure masking system of the one or more embodiment that describe goods are carried out to the schema of the clean method of pressure;
Fig. 5 is according to this specification sheets illustrate or the schematic diagram of the explanation pressure masking system of the one or more embodiment that describe;
Fig. 6 is according to this specification sheets illustrate or the skeleton view of the pressure masking system of the one or more embodiment that describe;
Fig. 7 is according to this specification sheets illustrate or the skeleton view of another pressure masking system of the one or more embodiment that describe; And,
Fig. 8 be according to this specification sheets illustrate or the explanation working pressure masking system of the one or more embodiment that describe goods are carried out to the schema of the method for pressure coating.
Embodiment
Below will be described one or more peculiar embodiment of the present invention.For the concise and to the point description for these embodiment is provided, all features in actual implementation may not can be described in this manual.Should understand, develop any this type of actual implementation in any engineering or design item time, all should work as the various decisions made from implementation certain relevant, to realize developer's specific objective, for example, whether to observe relevant to system and with the restriction of traffic aided, these restrictions may be different because of the difference of implementation.In addition, should understand, this type of exploitation may be complicated and consuming time, in any case but for benefiting from those skilled in the art of the present invention, this type of exploitation is still conventional design, construction and manufacturing operation.
While introducing the element of various embodiment of the present invention, article " (a) ", " one (an) ", " being somebody's turn to do (the) " and " described (said) " are intended to represent to exist one or more elements.Term " comprises (comprising) ", " comprising (including) " and " having " be intended to represent the implication of comprising property, and represents, except listed element, may also have other elements.
In general the disclosed pressure masking system of this specification sheets comprises pressure buried body (pressure masker), and for the part clearer of the target surface of the clean goods that comprise path or for being coated with the part spreader of target surface of the goods that comprise path.In the time that cleaning material (or coating material) is invested target surface by part clearer (or part spreader), make pressurization shelter fluid and be connected to path and pass wherein to prevent that cleaning material or coating material from for good and all changing the section area of path.To discuss in more detail in this manual pressurization masking system and the target surface of goods be carried out to the method that pressure is clean or pressure is coated with.
Referring now to Fig. 1 to Fig. 3, pressurization masking system 100 is depicted as the part clearer 20 and the pressure buried body 30 that comprise for cleaning article 10.Goods 10 comprise the one or more paths 12 through goods 10 from the first side 18 to second sides 19.As above discuss, goods 10 can comprise various different parts, such as the miscellaneous part of combustion liner or gas turbine engine.In certain embodiments, goods 10 can comprise turbine components, such as hot gas path parts or combustion component.Path 12 can comprise through goods 10 any passage of (leading to the second side 19 from the first side 18), and when goods 10 are in use time, described passage intention stays open (so that air can through).For example, in certain embodiments, path 12 can comprise cooling hole.
As Fig. 2 to Fig. 3 the best illustrates, the second side 19 of goods 10 comprises cleaned target surface 11.Target surface 11 can or as separately have and need to clean according to the life-span of goods 10 before use first, in routine maintenance or maintenance period.As used in this specification, " cleaning " refers to such as by sandblast, shot-peening, water spray washing etc., target surface being carried out stripping (stripping), washing and/or processed, as understood in this manual.For example, in certain embodiments, other fragments that the target surface 11 of goods 10 can comprise coating 22 or will remove before coating new coating.
In certain embodiments, when comprising metal hot gas path parts at goods 10, the target surface 11 of goods 10 can have maybe and will have thermal barrier coating disposed thereon (" TBC ").TBC can comprise one or more metals and/or the ceramic coating material layer of the target surface 11 that is coated to goods 10, to stop heat to transfer to goods 10 from hot combustion gases, thereby makes parts completely cut off hot combustion gases.With compare with manufacturing process situation in the cards with the certain material of parts in addition, existence from the teeth outwards of TBC allows the combustion gases will be hotter.TBC that can any suitable composition.For example, in certain embodiments, TBC can comprise MCrAl adhesive linkage, and wherein preferably Ni, Co or its combination of M, is then (YSZ) layer of yttria-stabilized zirconia (yttria stabilized zirconia).
In certain embodiments, goods 10 can be before pressure be clean or during be arranged on support 15, as understood in this manual.Support 15 can be that fix or mobile (for example, rotatable), and in the time of the target surface 11 of cleaning article 10, locates goods 10 with respect to part clearer 20 and pressure buried body 30.
Still referring to figs. 1 through Fig. 3, pressurization masking system 100 comprises part clearer 20 further.Part clearer 20 comprises any device of cleaning material 25 being invested to the target surface 11 of goods 10.For example, in certain embodiments, part clearer 20 can comprise sand spraying device (grit blaster).In this type of embodiment, cleaning material 25 can comprise with aluminum oxide, walnut shell (walnut shells), dry ice, charcoal or any other particle and is dispersed in forced air wherein.In other embodiments, part clearer 20 can comprise shotblast unit.In this type of embodiment, cleaning material 25 can comprise with metal, glass or ceramic particle and is dispersed in forced air wherein.Even in other embodiments, part clearer 20 can comprise pressure washing device.In this type of embodiment, cleaning material 25 can comprise the water of the other abrasive substance of with or without.
Part clearer 20 can be arranged on any position that allows clean target surface 11 with respect to goods 10.For example, as shown in Figure 1, in certain embodiments, goods 10 can be arranged on support 15, contiguous part clearer 20.Support 15 may can make goods 10 rotate with respect to part clearer 20 or otherwise displacement subsequently, and/or part clearer 20 may be able to be flexibly connected with respect to goods 10.Part clearer 20 can be used for cleaning material 25 to invest the target surface 11 of goods 10 subsequently.But because cleaning material 25 is invested the target surface 11 of goods 10, what some in cleaning material 25 can be from the second side 19 inlet passages 12 of goods 10 is one or more.Therefore, if without antagonism, some in cleaning material 25, and more specifically any particle (for example, sand, pill, abrasive material etc.) can form the obturator 32 in one or more paths 12 potentially.
Part clearer 20 can be for the multiple application of the target surface of cleaning article 10 11.For example, in certain embodiments, part clearer 20 can be except dust or other pollutents before coating new coating.In certain embodiments, part clearer 20 can be for remove the previous coated coating that is worn and/or damages all the time.For example, in certain embodiments, part clearer 20 can in coating again or restore the TBC that removes before (rejuvenating) TBC on target surface 11 partly or entirely.In certain embodiments, part clearer 20 can for example, for removing one or more metallic coatings, pollution layer (, rusty stain, dust, oxide compound etc.), diffusion layer or other undesired layers.Although this specification sheets has presented specific embodiment, should be appreciated that, these embodiment are only exemplary, and part clearer 20 also can be realized as any other application of a part for pressurization masking system 100.
Still referring to figs. 1 through Fig. 3, pressurization masking system 100 further comprises pressure buried body 30.Pressure buried body 30 comprises fluid web member 31, described fluid web member 31 by shelter fluid 35 source fluid be connected at least one paths 12 of goods 10.As used in this specification, " fluid connect (part) " refers to and allows pressurization to shelter fluid 35 leads to path 12 (wherein ignoring to the loss of outside atmosphere) connection (part) from pressure buried body 30.Fluid web member can comprise that for example flexible tubing, flexible pipe, pipeline or direct pressurized shelter any other conduit that fluid 35 leads to one or more paths 12.
In one embodiment, all embodiment as shown in Figure 2, fluid web member 31 can comprise the pipe that the output terminal of pressure buried body 30 is directly connected to the first side 18 of path 12.In certain embodiments, fluid web member 31 can comprise the single pipe (all pipes as shown in Figure 2) between pressure buried body 30 and single path 12.In other embodiments, fluid web member can comprise the single pipe (all pipes as shown in Figure 1) that leaves pressure buried body 30, and described single pipe fracture is divided into and is connected to multiple sections of multiple paths 12.Even in other embodiments, fluid web member 31 can comprise the multiple pipes that leave pressure buried body 30, and described multiple pipes are connected to single or multiple paths 12.For example, fluid web member 31 can comprise the multiple passages that have similar or not similar pressurization and shelter fluid 35, and these passages are connected to two or more paths.In addition, multiple passages can comprise that the pressurization of different pressures, temperature, direction or mixture shelters fluid 35.Should understand, provide any other structure of the fluid web member 31 between pressure buried body 30 and one or more path 12 alternately or additionally to realize.
For example, referring now to Fig. 3, in certain embodiments, fluid web member 31 can comprise multiple exit manifold web member 40, described multiple exit manifold web member 40 comprises internal passages 41, described internal passages 41 can from pressure buried body 30 receive pressurization shelter fluid 35 and will described in shelter fluid 35 and be fluidly distributed to one or more paths.Multiple exit manifold web member 40 can directly be attached to the first side 10 of goods 18 thus, and pressurization is sheltered to fluid 35 is distributed to goods 10 extensive region around.Any path 12 in this region will make pressurization shelter fluid 35 fluidly through wherein thus.
Pressurization shelter fluid 35 can comprise can positive energy through path 12 and the section area that prevents at least one path due to cleaning material 25 (or its particle) the permanent any medium changing.As used in the present note, " prevent the permanent change of pair cross-section area " (with its change type), the in the situation that of clean operation, refer to and remove and/or prevent all cleaning materials 25 that can inlet passage 12 haply, so that the section area that makes path is haply because permanent blockage thing 32 reduces or not because erosion, distortion etc. increase.The example that will for good and all change the obturator of the section area of path 12 comprises that for example macrobead on wall, cleaning material 25 lump etc.Pressurization is sheltered fluid 35 and can be comprised thus and can under masking tension, be pushed through one or more paths 12 to act on and to remove any material of potential obturator 32 self-cleaning material 25, that will change section area.
For example, in certain embodiments, pressurization is sheltered fluid 35 and can be comprised gas, such as rare gas element or nitrogen.This type of embodiment can realize in the time that part clearer 20 comprises sand spraying device or shotblast unit, so that gas can be kept out from any sand part clearer 20, inlet passage 12, pill or other cleaning particles and it is therefrom removed.In certain embodiments, pressurization is sheltered fluid 35 and can be comprised that with or without abrasive material is distributed in water wherein.This type of embodiment can realize in the time that part clearer 20 comprises waterworks or allied equipment.Shelter the specific embodiment of fluid and part clearer although this specification sheets has presented pressurization, should be appreciated that, also can realize and shelter fluid and part clearer with alternative pressurization in addition.In addition, the masking tension that fluid 35 can comprise the cleaning pressure that is greater than, is equal to or less than cleaning material is sheltered in pressurization, has enough energy obturator 32 is removed from path 12 as long as fluid 35 is sheltered in pressurization.In other embodiments, masking tension can comprise negative pressure (such as the vacuum by the second side 19 of goods 10 or suction element, to make negative pressure pull pressurization to shelter fluid 35 through path 12).In certain embodiments, masking tension can be included in the variable pressure fluctuating in masking procedure.
In operation, pressure buried body 30 make thus pressurization shelter fluid 35 under masking tension from the first side 18 to second sides 19 through at least one path 12 (wherein the second side 19 comprise goods 10 by clean target surface 11).Equally, part clearer carrys out the target surface 11 of cleaning article 10 by cleaning material 25 is invested to target surface.Because flow pattern distributes, some in cleaning material 25 can enter one or more paths 12 and form one or more obturators 32.For example, obturator 32 can comprise cluster of grains, and described cluster of grains derives from and will reduce the section area of path 12 and reduce the cleaning material that may flow through air capacity wherein.But in order to prevent that cleaning material 25 from for good and all blocking at least one path 12 (and change its section area), pressurization is sheltered fluid 35 and will be contacted obturator 32 and it is back into outside path 12.In certain embodiments, pressurization is sheltered fluid 35 and can be prevented that any obturator 32 from sheltering fluid 35 (even) inlet passage 12 by the pressurization of leaving the path 12 in the second side 19 of goods 10.
Referring now to Fig. 1 to Fig. 4, method 200 be depicted as for to comprising of goods 10 one or more paths 12 target surface 11 to carry out pressure clean.First method 200 is included in the first side 18 of at least one path 12 that in step 210, pressure buried body 30 is fluidly connected to goods 10.As above discuss, fluid web member 31 can comprise various structures, and the pressure buried body 30 of any type can be connected to the path 12 of any amount.In step 220, pressure buried body 30 makes subsequently pressurization shelter fluid 35 and passes at least one path from the first side 18 to second sides 19.Equally, in step 230, part clearer 20 carrys out the target surface 11 in the second side 19 of cleaning article 10 by cleaning material 25 being invested to target surface 11.
Should understand, in step 220, make pressurization shelter fluid 35 and can or there is the relative retardation in the relative retardation through clean target surface 11 at least one path 12 and step 230 and start simultaneously and finish.For example, in certain embodiments, in step 230, initiate before clean target surface 11, in step 20, can make pressurization shelter fluid 35 through path 12.This type of embodiment can prevent the accumulation at the front obturator 30 of trigger pressure buried body 32.In certain embodiments, after step 230 cleaning article 10, fluid 35 is sheltered in the pressurization in step 220 can continue across path 12.This type of embodiment can assist in ensuring that in step 230, completing the obturator 32 being retained in after clean in path 12 still shelters fluid 35 by pressurization and remove.
Fig. 1 to Fig. 4 comprises pressure buried body and the part clearer embodiment with the target surface that comprises path of cleaning article for pressurization masking system, and Fig. 5 to Fig. 8 comprises pressure buried body and the part spreader embodiment with the target surface that comprises path of coated article for pressurization masking system.Referring now to Fig. 5 to Fig. 7, pressurization masking system 1000 is depicted as the part spreader 1020 and the pressure buried body 1030 that comprise for coated article 1010.Goods 1010 comprise the one or more paths 1012 through goods 1010 from the first side 1018 to second sides 1019.As above discuss, goods 1010 can comprise various different parts, such as the miscellaneous part of combustion liner or gas turbine engine.In certain embodiments, goods 1010 can comprise turbine components, such as hot gas path parts or combustion component.Path 1012 can comprise through goods 1010 any passage of (leading to the second side 1019 from the first side 1018), and when goods 1010 are in use time, described passage intention stays open (so that air can through).For example, in certain embodiments, path 1012 can comprise cooling hole.
As Fig. 6 to Fig. 7 the best illustrates, the second side 1019 of goods 1010 comprises the target surface 1011 of coating.Target surface 1011 can or as separately have and need to be coated with according to the life-span of goods 1010 before use first, in routine maintenance or maintenance period.As used in the present note, " coating " refers to such as novel material being coated to surface at least in part by use thermal spraying gun etc. upper, as understood in this manual.
In certain embodiments, when comprising metal hot gas path parts at goods 1010, the target surface 1011 of goods 1010 can have the TBC being applied to before operation on it.TBC can comprise one or more metals and/or the ceramic coating material layer of the target surface 1011 that is coated to goods 1010, to stop heat to transfer to goods 1010 from hot combustion gases, thereby makes parts completely cut off hot combustion gases.With compare with manufacturing process situation in the cards with the certain material of parts in addition, TBC allows the combustion gases will be hotter in described lip-deep existence.Can apply the TBC of any suitable composition.For example, in certain embodiments, TBC can comprise MCrAl adhesive linkage, and wherein preferably Ni, Co or its combination of M, is then yttria-stabilized zirconia (yttria stabilized zirconia, YSZ) layer.
In certain embodiments, goods 1010 can be before pressure coating or during be arranged on support 1015, as understood in this manual.Support 1015 can be that fix or mobile (for example, rotatable), and in the time of the target surface 1011 of coated article 1010, locates goods 1010 with respect to part spreader 1020 and pressure buried body 1030.
Still with reference to Fig. 5 to Fig. 7, pressurization masking system 1000 further comprises part spreader 1020.Part spreader 1020 comprises any device of coating material 1025 being invested to the target surface 1011 of goods 1010.For example, in certain embodiments, part spreader 1020 can comprise thermal spraying gun.In this type of embodiment, coating material 1025 can comprise that gas under pressure or fluid under pressure (for example, as water) are as carrier etc.In certain embodiments, part spreader 1020 can comprise any other device of coating material 1025 being invested to the target surface 1011 of goods 1010.
Part spreader 1020 can be arranged on any position that allows coating target surface 1011 with respect to goods 1010.For example, as shown in Figure 5, in certain embodiments, goods 1010 can be arranged on support 1015, contiguous part spreader 1020.Support 1015 may can make goods 1010 rotate with respect to part spreader 1020 or otherwise displacement subsequently, and/or part spreader 1020 may be able to be flexibly connected (articulate) with respect to goods 1010.Part spreader 1020 can be used for coating material 1025 to invest the target surface 1011 of goods 1010 subsequently.But because coating material 1025 is invested the target surface 1011 of goods 1010, what some in coating material 1025 can be from the second side 1019 inlet passages 1012 of goods 1010 is one or more.Therefore,, if without antagonism, some in coating material 1025 can form the obturator 1032 in one or more paths 1012 potentially.
Part spreader 1020 can be for the multiple application of the target surface of coated article 1,010 1011.For example, in certain embodiments, part spreader 1020 can, for being coated with target surface by TBC, as above be discussed.In certain embodiments, part spreader 1020 can be for being coated to adhesive coating target surface 1011 for follow-up coating TBC or other coatings.In certain embodiments, part spreader 1020 can be for being coated to paint coating target surface 1011.In certain embodiments, part spreader 1020 can be for other coatings of coating such as diffusion coating, DVC TBC, HVOF or other polymer adhesive coatings etc.Although this specification sheets has presented specific embodiment, should be appreciated that, these embodiment are only exemplary, and part spreader 1020 also can be realized as any other application of a part for pressurization masking system 1000.
Still with reference to Fig. 5 to Fig. 7, pressurization masking system 1000 further comprises pressure buried body 1030.Pressure buried body 1030 comprises fluid web member 1031, described fluid web member 1031 by shelter fluid 1035 source fluid be connected at least one paths 1012 of goods 1010.As mentioned above, " fluid web member (fluid connection) " refers to and allows pressurization to shelter fluid 1035 leads to path 1012 (wherein ignoring to the loss of outside atmosphere) web member from pressure buried body 1030.Fluid web member can comprise that for example flexible tubing, flexible pipe, pipeline or direct pressurized shelter any other conduit that fluid 1035 leads to one or more paths 1012.
In one embodiment, all embodiment as shown in Figure 6, fluid web member 1031 can comprise the pipe that the output terminal of pressure buried body 1030 is directly connected to the first side 1018 of path 1012.In certain embodiments, fluid web member 1031 can comprise the single pipe (all pipes as shown in Figure 6) between pressure buried body 1030 and single path 1012.In other embodiments, fluid web member can comprise the single pipe (pipe going out such as Fig. 5) that leaves pressure buried body 1030, and described single pipe fragments into or is divided into and is connected to multiple sections of multiple paths 1012.Even in other embodiments, fluid web member 1031 can comprise the multiple pipes that leave pressure buried body 1030, and described multiple pipes are connected to single or multiple paths 1012.For example, fluid web member 1031 can comprise the passage that has multiple similar or not similar pressurizations and shelter fluid 1035, and described passage is connected to two or more paths.In addition, multiple passages can comprise different pressures, temperature, direction or the mixing (thing) that fluid 1035 is sheltered in pressurization.Should understand, provide any other structure of the fluid web member 1031 between pressure buried body 1030 and one or more path 1012 alternately or additionally to realize.
For example, referring now to Fig. 7, in certain embodiments, fluid web member 1031 can comprise multiple exit manifold web member 1040, described multiple exit manifold web member 1040 comprises internal passages 1041, and described internal passages 1041 can receive pressurization from pressure buried body 1030 and shelter fluid 1035 and it is fluidly distributed to one or more paths.Multiple exit manifold web member 1040 can directly be attached to the first side 1018 of goods 1010 thus, and pressurization is sheltered to fluid 1035 is distributed to goods 1010 extensive region around.Any path 1012 in this region will make pressurization shelter fluid 1035 fluidly through wherein thus.
Pressurization shelter fluid 1035 can comprise can positive energy through path 1012 and the section area that prevents at least one path due to coating material 1025 (or its particle) the permanent any medium changing.As used in the present note, " prevent the permanent change of pair cross-section area " (with its change type), about coating operation, refer to and remove and/or prevent all coating materials 1025 that can inlet passage 1012 haply, so that the section area that makes path is haply because permanent blockage thing 1032 reduces or not because erosion, distortion etc. increase.Should understand, the inwall shallow layer of the second side 1019 of next-door neighbour's coating material 1025 is not considered to for good and all to change the section area of path 1012, will be relatively minimum and during operation can remarkably influenced air flowing through path 1012 because any this type of reduces all.The example that will for good and all change the obturator of the section area of path 1012 comprises that for example the macrobead on wall, coating material 1025 lump etc.Pressurization is sheltered fluid 1035 and can be comprised thus and can under masking tension, be pushed through one or more paths 1012 to act on and to remove any material from potential obturator 1032 coating material 1025, that will change section area.
For example, in certain embodiments, pressurization is sheltered fluid 1035 and can be comprised gas, such as rare gas element or nitrogen.In certain embodiments, pressurization is sheltered fluid 1035 and can be comprised that with or without abrasive material is distributed in water wherein.Shelter the specific embodiment of fluid 1035 and part spreader although this specification sheets has presented pressurization, should be appreciated that, also can realize and shelter fluid and part spreader with alternative pressurization in addition.In addition, the masking tension that fluid 1035 can comprise the coating pressure that is greater than, is equal to or less than coating material 1025 is sheltered in pressurization, has enough energy and removes obturator 1032 from path 1012 as long as fluid 1035 is sheltered in pressurization.In certain embodiments, masking tension can comprise that positive pressure is to make positive pressure promotion pressurization shelter fluid 1035 through path 1012.In other embodiments, masking tension can comprise negative pressure (such as the vacuum by the second side 1019 of goods 1010 or suction element, to make negative pressure pull pressurization to shelter fluid 1035 through path 1012).In certain embodiments, masking tension can be included in the variable pressure fluctuating in masking procedure.
In operation, pressure buried body 1030 make thus pressurization shelter fluid 1035 under masking tension from the first side 1018 to second sides 1019 through at least one path 1012 (wherein the second side 1019 comprise goods 1010 by applied target surface 1011).Equally, part spreader carrys out the target surface 1011 of coated article 1010 by coating material 1025 is invested to target surface.Because flow pattern distributes (flow pattern distributions), some in coating material 1025 can enter one or more paths 1012 and form one or more obturators 1032.For example, obturator 1032 can comprise from section area coating material, that will reduce path 1012 and reduce the cluster of grains that may flow through air capacity wherein.But in order to prevent that coating material 1025 from for good and all blocking at least one path 1012 (and change its section area), pressurization is sheltered fluid 1035 and will be contacted obturator 1032 and it is released to path 1012.In certain embodiments, pressurization is sheltered fluid 1035 and can be prevented that any obturator 1032 from even sheltering fluid 1035 inlet passages 1012 by the pressurization of leaving the path 1012 in the second side 1019 of goods 1010.
Referring now to Fig. 5 to Fig. 8, method 2000 be depicted as for to comprising of goods 1010 one or more paths 1012 target surface 1011 carry out pressure coating.First method 2000 is included in the first side 1018 of at least one path 1012 that in step 2010, pressure buried body 1030 is fluidly connected to goods 1010.As above discuss, fluid web member 1031 can comprise various structures and the pressure buried body 1030 of any type can be connected to the path 1012 of any amount.In step 2020, pressure buried body 1030 makes subsequently pressurization shelter fluid 1035 and passes at least one path from the first side 1018 to second sides 1019.Equally, in step 2030, part spreader 1020 carrys out the target surface 1011 in the second side 1019 of coated article 1010 by coating material 1025 being invested to target surface 1011.
Should understand, in step 2020 making pressurization shelter fluid 1035 can be in the relative retardation through the coating target surface 1011 at least one path 1012 and step 2030 or and the relative retardation start simultaneously and finish.For example, in certain embodiments, in step 2030, initiate before coating target surface 1011, in step 1020, can make pressurization shelter fluid 1035 through path 1012.This type of embodiment can prevent the accumulation of obturator 1032 before pressure buried body 1030 starts.In certain embodiments, in step 2030, after coated article 1010, in step 2020, pressurization is sheltered fluid 1035 and can be continued across path 1012.This type of embodiment can assist in ensuring that in step 2030, completing the obturator 1032 being retained in after coating in path 1012 still shelters fluid 1035 by pressurization and remove.
Another embodiment relates to a kind of target surface that comprises one or more paths to goods and carries out the method that pressure is clean or pressure is coated with.Described method comprises and will comprise that the pressure buried body that fluid is sheltered in pressurization is fluidly connected to the first side of at least one path, and make pressurization shelter fluid from the first side to the second side that comprises target surface through at least one path.Described method further comprises by cleaning material or coating material being invested respectively to target surface and cleans target surface or coating target surface.Shelter fluid through the pressurization of at least one path and prevent that cleaning material or coating material (if applicable) from for good and all changing the section area of at least one path.
In another embodiment, fluid web member comprises and is connected to the multiple exit manifold web member of the first side and comprises internal passages.Described internal passages receives to pressurize to shelter fluid and described pressurization is sheltered to fluid and is distributed to one or more paths.
In another embodiment, pressurization is sheltered fluid and is comprised gas, for example, and nitrogen.
In another embodiment, described method comprises by cleaning material is invested to target surface and cleans target surface.Sand spraying device or shotblast unit use the clean target surface of cleaning material.
In another embodiment, described path comprises cooling hole.
In another embodiment, described pressurization is sheltered fluid and is comprised liquid.
In another embodiment, described liquid comprises abrasive material.
In another embodiment, described method comprises by cleaning material is invested to target surface and cleans target surface.Waterworks uses the clean target surface of cleaning material.
In another embodiment, described method comprises by cleaning material is invested to target surface and cleans target surface.Described pressurization is sheltered fluid and after target surface has cleaned, is continued to pass through to a few path.
In another embodiment, described method comprises by cleaning material is invested to target surface and cleans target surface.Described pressurization is sheltered fluid and under the masking tension of cleaning pressure that is less than cleaning material, is passed at least one path.
In another embodiment, described method comprises by coating material is invested to target surface and is coated with target surface.Described coating material comprises MCrAlY, and wherein M is Ni or Co.
In another embodiment, described method comprises by coating material is invested to target surface and is coated with target surface.Described coating material comprises yttria-stabilized zirconia.
In another embodiment, described method comprises by coating material is invested to target surface and is coated with target surface.Thermal spraying gun projection coating material is so that coating target surface.
In another embodiment, described method comprises by coating material is invested to target surface and is coated with target surface.Described pressurization is sheltered fluid and after target surface has been coated with, is continued to pass through to a few path.
In another embodiment, described method comprises by coating material is invested to target surface and is coated with target surface.Described pressurization is sheltered fluid and under the masking tension of coating pressure that is less than coating material, is passed at least one path.
Another embodiment relates to a kind of pressurization masking system of the target surface that comprises path for clean or coated article.Described pressurization masking system comprises pressure buried body, and described pressure buried body is configured to the first side of at least one path that is fluidly connected to goods, and make pressurization shelter fluid from the first side to the second side through described path.Described the second side comprises target surface.Described system further comprises and is configured to the part spreader cleaning material being invested to the part clearer of target surface or be configured to coating material to invest target surface.Described pressurization is sheltered fluid and is prevented that respectively cleaning material or coating material from for good and all changing the section area of at least one path.
In another embodiment of pressurization masking system, fluid web member comprises multiple exit manifold web member, described multiple exit manifold web member be connected to goods the first side and comprise internal passages.Described internal passages receives to pressurize to shelter fluid and described pressurization is sheltered to fluid and is distributed to one or more paths.
In another embodiment of pressurization masking system, pressurization is sheltered fluid and is comprised gas or liquid, for example, comprises the liquid of abrasive material.
Comprise that at pressurization masking system, in another embodiment of part clearer, described part clearer comprises sand spraying device.
Comprise that at pressurization masking system, in another embodiment of part clearer, described part clearer comprises shotblast unit.
Comprise that at pressurization masking system, in another embodiment of part clearer, described part clearer comprises waterworks.
Comprise in another embodiment that is configured to the part clearer of cleaning material being invested to target surface at pressurization masking system, pressurization is sheltered fluid and under the masking tension of cleaning pressure that is less than cleaning material, is passed at least one path.
In another embodiment of pressurization masking system, described target surface comprises thermal barrier coating.
In another embodiment of pressurization masking system, described at least one path comprises cooling hole.
Comprise that at pressurization masking system in another embodiment that is configured to the part spreader of coating material being invested to target surface, described coating material comprises MCrAlY, wherein M is Ni or Co.
Comprise that at pressurization masking system in another embodiment that is configured to the part spreader of coating material being invested to target surface, described coating material comprises yttria-stabilized zirconia.
Comprise that at pressurization masking system, in another embodiment that is configured to the part spreader of coating material being invested to target surface, described part spreader comprises thermal spraying gun.
Comprise in another embodiment that is configured to the part spreader of coating material being invested to target surface at pressurization masking system, pressurization is sheltered fluid and under the masking tension of coating pressure that is less than coating material, is passed at least one path.
In another embodiment of pressurization masking system, described goods comprise turbine components.
Should understand now, pressurization masking system can, for the target surface of clean or coated article, prevent from for good and all changing the section area of one or more paths simultaneously.The use of the fluid web member between pressure buried body and one or more path can prevent the needs to shelter barrier such as the physics such as tape, wax, thereby more effective clean or coating system is provided potentially.
Although only describe the present invention in conjunction with the embodiment of limited quantity, should be understood that and the invention is not restricted to this type of disclosed embodiment.On the contrary, the present invention can be through amendment to contain variation, change, replacement or the equivalent arrangements of all arbitrary numbers of not describing before but be consistent with the spirit and scope of the present invention.In addition,, although described various embodiments of the present invention, should be understood that aspect of the present invention can only comprise some of previous embodiment.Therefore, the present invention should not be considered as being subject to the restriction of aforementioned specification, and it is only subject to the scope restriction of appended claims.
Claims (72)
1. the target surface that comprises one or more paths of goods is carried out to the method that pressure is clean or pressure is coated with, described method comprises:
Make to comprise that the pressure buried body of fluid is sheltered in pressurization and the first side liquid of at least one path is communicated with;
Make described pressurization shelter fluid and arrive through described at least one path the second side that comprises described target surface from described the first side; And,
Clean described target surface or be coated with described target surface by respectively cleaning material or coating material being invested to described target surface, wherein shelter fluid through the described pressurization of described at least one path and prevent described cleaning material or described coating material, if applicable, for good and all change the section area of described at least one path.
2. the method for claim 1, wherein fluid web member comprises multiple exit manifold web member, described multiple exit manifold web member is connected to described the first side and comprises internal passages, and wherein said internal passages receives described pressurization and shelters fluid and described pressurization is sheltered to fluid and be distributed to one or more paths.
3. the method for claim 1, wherein said pressurization is sheltered fluid and is comprised nitrogen or another gas.
4. method as claimed in claim 3, wherein said gas comprises nitrogen.
5. method as claimed in claim 3, wherein said method comprises by described cleaning material is invested to described target surface and cleans described target surface, and wherein sand spraying device or shotblast unit use described cleaning material to clean described target surface.
6. the method for claim 1, wherein said path comprises cooling hole.
7. the method for claim 1, wherein said pressurization is sheltered fluid and is comprised liquid.
8. method as claimed in claim 7, wherein said liquid comprises abrasive material.
9. method as claimed in claim 7, wherein said method comprises by described cleaning material is invested to described target surface and cleans described target surface, and wherein waterworks uses described cleaning material to clean described target surface.
10. the method for claim 1, wherein said method comprises by described cleaning material is invested to described target surface and cleans described target surface, and wherein, after described target surface has cleaned, described pressurization is sheltered fluid and is continued across described at least one path.
11. the method for claim 1, wherein said method comprises by described cleaning material is invested to described target surface and cleans described target surface, and wherein said pressurization shelter fluid under the masking tension of cleaning pressure that is less than described cleaning material through described at least one path.
12. the method for claim 1, wherein said method comprises by described coating material is invested to described target surface and is coated with described target surface, and wherein said coating material comprises MCrAlY, and wherein M is Ni or Co.
13. the method for claim 1, wherein said method comprises by described coating material is invested to described target surface and is coated with described target surface, and wherein said coating material comprises yttria-stabilized zirconia.
14. the method for claim 1, wherein said method comprises by described coating material is invested to described target surface and is coated with described target surface, and wherein thermal spraying gun projects described coating material to be coated with described target surface.
15. the method for claim 1, wherein said method comprises by described coating material is invested to described target surface and is coated with described target surface, and wherein, after described target surface has been coated with, described pressurization is sheltered fluid and is continued across described at least one path.
16. the method for claim 1, wherein said method comprises by described coating material is invested to described target surface and is coated with described target surface, and wherein said pressurization shelter fluid under the masking tension of coating pressure that is less than described coating material through described at least one path.
17. 1 kinds of pressurization masking systems for the target surface that comprises path of clean or coated article, described pressurization masking system comprises:
Pressure buried body, described pressure buried body is configured to the first side of at least one path that is fluidly connected to described goods, and make pressurization shelter fluid and pass described path from described the first side to the second side, wherein said the second side comprises described target surface; And
Be configured to that cleaning material is invested to the part clearer of described target surface or be configured to coating material is invested in the part spreader of described target surface, wherein said pressurization is sheltered fluid and is prevented that described cleaning material or described coating material from for good and all changing respectively the section area of described at least one path.
18. pressurization masking systems as claimed in claim 17, wherein said fluid web member comprises multiple exit manifold web member, described multiple exit manifold web member is connected to described first side of described goods and comprises internal passages, and wherein said internal passages receives described pressurization and shelters fluid and described pressurization is sheltered to fluid and be distributed to one or more paths.
19. pressurization masking systems as claimed in claim 17, wherein said pressurization is sheltered fluid and is comprised gas.
20. pressurization masking systems as claimed in claim 19, wherein said pressurization masking system comprises described part clearer, and wherein said part clearer comprises sand spraying device.
21. pressurization masking systems as claimed in claim 19, wherein said pressurization masking system comprises described part clearer, and wherein said part clearer comprises shotblast unit.
22. pressurization masking systems as claimed in claim 17, wherein said pressurization is sheltered fluid and is comprised liquid.
23. pressurization masking systems as claimed in claim 22, wherein said liquid comprises abrasive material.
24. pressurization masking systems as claimed in claim 22, wherein said pressurization masking system comprises described part clearer, and wherein said part clearer comprises waterworks.
25. pressurization masking systems as claimed in claim 17, wherein said pressurization masking system comprises the described part clearer that is configured to described cleaning material to invest described target surface, and wherein said pressurization shelter fluid under the masking tension of cleaning pressure that is less than described cleaning material through described at least one path.
26. pressurization masking systems as claimed in claim 17, wherein said target surface comprises thermal barrier coating.
27. pressurization masking systems as claimed in claim 17, wherein said at least one path comprises cooling hole.
28. pressurization masking systems as claimed in claim 17, wherein said pressurization masking system comprises the described part spreader that is configured to described coating material to invest described target surface, and wherein said coating material comprises MCrAlY, and wherein M is Ni or Co.
29. pressurization masking systems as claimed in claim 17, wherein said pressurization masking system comprises the described part spreader that is configured to described coating material to invest described target surface, and wherein said coating material comprises yttria-stabilized zirconia.
30. pressurization masking systems as claimed in claim 17, wherein said pressurization masking system comprises the described part spreader that is configured to described coating material to invest described target surface, wherein said part spreader comprises thermal spraying gun.
31. pressurization masking systems as claimed in claim 17, wherein said pressurization masking system comprises the described part spreader that is configured to described coating material to invest described target surface, and wherein said pressurization shelter fluid under the masking tension of coating pressure that is less than described coating material through described at least one path.
32. pressurization masking systems as claimed in claim 17, wherein said goods comprise turbine components.
33. 1 kinds of target surfaces that comprise one or more paths to goods carry out the clean method of pressure, and described method comprises:
To comprise that pressure buried body that fluid is sheltered in pressurization is fluidly connected to the first side of at least one path;
Make described pressurization shelter fluid and pass described at least one path from described the first side to the second side that comprises described target surface; And,
Clean described target surface by cleaning material being invested to described target surface, wherein shelter fluid through the described pressurization of described at least one path and prevent that described cleaning material from for good and all changing the section area of described at least one path.
34. methods as claimed in claim 33, wherein said fluid web member comprises multiple exit manifold web member, described multiple exit manifold web member is connected to described the first side and comprises internal passages, and wherein said internal passages receives described pressurization and shelters fluid and described pressurization is sheltered to fluid and be distributed to one or more paths.
35. methods as claimed in claim 33, wherein said pressurization is sheltered fluid and is comprised gas.
36. methods as claimed in claim 35, wherein sand spraying device or shotblast unit use described cleaning material to clean described target surface.
37. methods as claimed in claim 33, wherein said path comprises cooling hole.
38. methods as claimed in claim 33, wherein said pressurization is sheltered fluid and is comprised liquid.
39. methods as claimed in claim 38, wherein said liquid comprises abrasive material.
40. methods as claimed in claim 38, wherein waterworks uses described cleaning material to clean described target surface.
41. methods as claimed in claim 33, wherein said pressurization is sheltered fluid and after described target surface has cleaned, is continued across described at least one path.
42. methods as claimed in claim 33, wherein said pressurization is sheltered fluid and under the masking tension of cleaning pressure that is less than described cleaning material, is passed described at least one path.
43. 1 kinds of pressurization masking systems for the target surface that comprises path of cleaning article, described pressurization masking system comprises:
Pressure buried body, described pressure buried body is fluidly connected to the first side of at least one path of described goods, and make pressurization shelter fluid from described the first side to the second side through described path, wherein said the second side comprises described target surface; And,
Cleaning material is invested to the part clearer of described target surface, wherein said pressurization is sheltered fluid and is prevented that described cleaning material from for good and all changing the section area of described at least one path.
44. pressurization masking systems as claimed in claim 43, wherein said fluid web member comprises multiple exit manifold web member, described multiple exit manifold web member is connected to described first side of described goods and comprises internal passages, and wherein said internal passages receives described pressurization and shelters fluid and described pressurization is sheltered to fluid and be distributed to one or more paths.
45. pressurization masking systems as claimed in claim 43, wherein said pressurization is sheltered fluid and is comprised gas.
46. pressurization masking systems as claimed in claim 45, wherein said part clearer comprises sand spraying device.
47. pressurization masking systems as claimed in claim 45, wherein said part clearer comprises shotblast unit.
48. pressurization masking systems as claimed in claim 43, wherein said pressurization is sheltered fluid and is comprised liquid.
49. pressurization masking systems as claimed in claim 48, wherein said liquid comprises abrasive material.
50. pressurization masking systems as claimed in claim 48, wherein said part clearer comprises waterworks.
51. pressurization masking systems as claimed in claim 43, wherein said pressurization is sheltered fluid and under the masking tension of cleaning pressure that is less than described cleaning material, is passed described at least one path.
52. pressurization masking systems as claimed in claim 43, wherein said target surface comprises thermal barrier coating.
53. 1 kinds are carried out the method for pressure coating to the target surface that comprises one or more paths of goods, described method comprises:
To comprise that pressure buried body that fluid is sheltered in pressurization is fluidly connected to the first side of at least one path;
Make described pressurization shelter fluid and pass described at least one path from described the first side to the second side that comprises described target surface; And,
Be coated with described target surface by coating material being invested to described target surface, wherein shelter fluid through the described pressurization of described at least one path and prevent that described coating material from for good and all changing the section area of described at least one path.
54. methods as claimed in claim 53, wherein said fluid web member comprises multiple exit manifold web member, described multiple exit manifold web member is connected to described the first side and comprises internal passages, and wherein said internal passages receives described pressurization and shelters fluid and described pressurization is sheltered to fluid and be distributed to one or more paths.
55. methods as claimed in claim 53, wherein said pressurization is sheltered fluid and is comprised gas.
56. methods as claimed in claim 55, wherein said gas comprises nitrogen.
57. methods as claimed in claim 53, wherein said pressurization is sheltered fluid and is comprised liquid.
58. methods as claimed in claim 53, wherein said coating material comprises MCrAlY, wherein M is Ni or Co.
59. methods as claimed in claim 53, wherein said coating material comprises yttria-stabilized zirconia.
60. methods as claimed in claim 53, wherein thermal spraying gun projects described coating material to be coated with described target surface.
61. methods as claimed in claim 53, wherein said pressurization is sheltered fluid and after described target surface has been coated with, is continued across described at least one path.
62. methods as claimed in claim 53, wherein said pressurization is sheltered fluid and under the masking tension of coating pressure that is less than described coating material, is passed described at least one path.
63. 1 kinds of pressurization masking systems for the target surface that comprises path of coated article, described pressurization masking system comprises:
Pressure buried body, described pressure buried body is fluidly connected to the first side of at least one path of described goods, and make pressurization shelter fluid from described the first side to the second side through described path, wherein said the second side comprises described target surface; And,
Coating material is invested to the part spreader of described target surface, wherein said pressurization is sheltered fluid and is prevented that described coating material from for good and all changing the section area of described at least one path.
64. pressurization masking systems as described in claim 63, wherein said fluid web member comprises multiple exit manifold web member, described multiple exit manifold web member is connected to described the first side and comprises internal passages, and wherein said internal passages receives described pressurization and shelters fluid and described pressurization is sheltered to fluid and be distributed to one or more paths.
65. pressurization masking systems as described in claim 63, wherein said pressurization is sheltered fluid and is comprised gas.
66. pressurization masking systems as described in claim 63, wherein said at least one path comprises cooling hole.
67. pressurization masking systems as described in claim 63, wherein said pressurization is sheltered fluid and is comprised liquid.
68. pressurization masking systems as described in claim 63, wherein said coating material comprises MCrAlY, wherein M is Ni or Co.
69. pressurization masking systems as described in claim 63, wherein said coating material comprises yttria-stabilized zirconia.
70. pressurization masking systems as described in claim 63, wherein said part spreader comprises thermal spraying gun.
71. pressurization masking systems as described in claim 63, wherein said pressurization shelter fluid under the masking tension of coating pressure that is less than described coating material through described at least one path.
72. pressurization masking systems as described in claim 63, wherein said goods comprise turbine components.
Applications Claiming Priority (5)
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| US13/339,449 US8887662B2 (en) | 2011-12-29 | 2011-12-29 | Pressure masking systems and methods for using the same |
| US13/339,468 | 2011-12-29 | ||
| PCT/US2012/071798 WO2013101921A2 (en) | 2011-12-29 | 2012-12-27 | Pressure masking systems and methods for using the same |
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| CN108300957A (en) * | 2017-01-06 | 2018-07-20 | 通用电气公司 | Cooling hole selective thermal coating with air stream |
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| FR3070693B1 (en) * | 2017-09-07 | 2022-06-10 | Safran | COATING DEPOSIT METHOD AND DEVICE FOR MULTI-PERFORATED AIRCRAFT ENGINE COMPONENTS WITH VENT BLOWING |
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- 2012-12-27 CN CN201280065042.2A patent/CN104024465A/en active Pending
- 2012-12-27 EP EP12818755.6A patent/EP2798095B1/en active Active
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106715747A (en) * | 2014-12-03 | 2017-05-24 | 三菱日立电力系统株式会社 | Sprayed-coating formation method, high-temperature component for turbine, turbine, and masking member and masking pin for sprayed-coating formation |
| CN106715747B (en) * | 2014-12-03 | 2019-07-26 | 三菱日立电力系统株式会社 | Spraying plating epithelium forming method |
| US11148169B2 (en) | 2014-12-03 | 2021-10-19 | Mitsubishi Power, Ltd. | Method of forming sprayed coating, high-temperature component for turbine, turbine, masking pin for forming sprayed coating, and masking member |
| CN106269648A (en) * | 2016-08-29 | 2017-01-04 | 中航动力股份有限公司 | A kind of ceramic layer minimizing technology of thermal barrier coating |
| CN108300957A (en) * | 2017-01-06 | 2018-07-20 | 通用电气公司 | Cooling hole selective thermal coating with air stream |
| CN108300957B (en) * | 2017-01-06 | 2021-11-09 | 通用电气公司 | Cooling hole selective thermal coating with air flow |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6220346B2 (en) | 2017-10-25 |
| EP2798095B1 (en) | 2022-07-20 |
| EP2798095A2 (en) | 2014-11-05 |
| JP2015509828A (en) | 2015-04-02 |
| WO2013101921A2 (en) | 2013-07-04 |
| WO2013101921A3 (en) | 2013-10-10 |
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