# US 2019/0314831 A1 · Coating system and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0314831 A1 - Document ID: US20190314831A1 - Status: Published application - Kind: A1 - Application number: 15/955,219 - Filed: 2018-04-17 - Published: 2019-10-17 - Earliest claimed: 2018-04-17 - Assignees: General Electric Company - Applicants: General Electric Company - Inventors: Ambarish Kulkarni; Byron Pritchard; Hrishikesh Keshavan; Mehmet Dede; Bernard Patrick Bewlay - Web page: https://patentgrep.com/patent/US20190314831A1 ## CPC - B05B 1/046: {Outlets formed, e.g. cut, in the circumference of tubular or spherical elements} - B05B 1/207: {the elongated body being a closed loop} - B05B 7/0416: {with arrangements for mixing one gas and one liquid} - B05B 7/0884: {the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned} - B05B 7/0892: {the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being disposed on a circle} - B05B 7/1481: {Spray pistols or apparatus for discharging particulate material} - B05B 7/1686: {involving vaporisation of the material to be sprayed or of an atomising-fluid-generating product} - B05B 12/006: {Pressure or flow rate sensors} - B05B 13/06: specially designed for treating the inside of hollow bodies (spray heads B05B1/00 - B05B7/00; {devices for covering leaks in pipes or hoses, e.g. hose-menders, from inside the pipe F16L55/162; sprayed layers of rubber or plastics for internal protection of pipes or pipe fittings against corrosion or incrustation F16L58/1027}) - B05B 13/0627: {Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies (B05B13/0645 takes precedence)} - B05B 13/069: {the hollow bodies having a closed end} - B05B 15/62: Arrangements for supporting spraying apparatus, e.g. suction cups - B05D 1/12: Applying particulate materials (B05D1/06, B05D1/10 take precedence) - B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D) - B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02) ## Abstract A coating system includes a support fixture sized to be partially inserted into one or more openings of a component and a spray nozzle segment device comprising a housing configured to receive a slurry. The device is disposed radially outward of a central axis of the component and is shaped to extend circumferentially about at least part of the central axis of the component. The housing comprises plural delivery nozzles configured to spray the slurry onto a surface of the component. The device is operably coupled with the support fixture such that the fixture maintains a position of the device within the component when the support fixture is partially inserted into one or more openings of the component. ## Claims ### Claim 1 A coating system comprising: a support fixture sized to be partially inserted into one or more openings of a component; and a spray nozzle segment device comprising a housing configured to receive a slurry, the spray nozzle segment device configured to be disposed radially outward of a central axis of the component and shaped to extend circumferentially about at least part of the central axis of the component, the housing comprising plural delivery nozzles configured to spray the slurry onto a surface of the component, wherein the spray nozzle segment device is configured to be operably coupled with the support fixture such that the support fixture maintains a position of the spray nozzle segment device within the component when the support fixture is partially inserted into the one or more openings of the component. ### Claim 2 (depends on 1) The coating system of claim 1, wherein the housing of the spray nozzle segment device is sized to be inserted into the one or more openings of the component. ### Claim 3 (depends on 1) The coating system of claim 1, wherein the spray nozzle segment device is fluidly coupled with a reservoir disposed outside the component with one or more valves. ### Claim 4 (depends on 1) The coating system of claim 1, further comprising plural spray nozzle segment devices, each of the spray nozzle segment devices configured to be operably coupled with each other spray nozzle segment device in order to form a rail system extending circumferentially about at least part of the central axis of the component. ### Claim 5 (depends on 4) The coating system of claim 4, wherein each of the plural spray nozzle segment devices are fluidly coupled with each other nozzle segment device, wherein each of the plural spray nozzle segment devices are configured to receive the slurry. ### Claim 6 (depends on 4) The coating system of claim 4, further comprising plural support fixtures, wherein the plural support fixtures are configured to maintain a position of each of the plural spray nozzle segment devices inside the component. ### Claim 7 (depends on 4) The coating system of claim 4, wherein each of the plural spray nozzle segment devices are fluidly coupled with a reservoir disposed outside the component with one or more valves. ### Claim 8 (depends on 7) The coating system of claim 7, further comprising a spray controller, wherein the spray controller is configured to control operation of the one or more valves in order to control one or more of an amount of the slurry provided to each of the spray nozzle segment devices, a pressure of the slurry provided to each of the spray nozzle segment devices, a flow rate of the slurry provided to each of the spray nozzle segment devices, a temporal duration at which the slurry is provided to each of the spray nozzle segment devices, or a time at which the slurry is provided to each of the spray nozzle segment devices. ### Claim 9 (depends on 1) The coating system of claim 1, further comprising a spray controller configured to control one or more of an amount of the slurry provided to the spray nozzle segment device, a pressure of the slurry provided to the spray nozzle segment device, a flow rate at which the slurry is provided to the spray nozzle segment device, a temporal duration at which the slurry is provided to the spray nozzle segment device, or a time at which the slurry is provided to the spray nozzle segment device. ### Claim 10 (depends on 1) The coating system of claim 1, further comprising a spray controller configured to control one or more of an amount of the slurry provided to each of the one or more delivery nozzles, a pressure of the slurry provided to each of the one or more delivery nozzles, a flow rate at which the slurry is provided to each of the one or more delivery nozzles, a temporal duration at which the slurry is provided to each of the one or more delivery nozzles, or a time at which the slurry is provided to each of the one or more delivery nozzles. ### Claim 11 (depends on 1) The coating system of claim 1, wherein the slurry comprises a first fluid and a slurry of ceramic particles and a second fluid, wherein the slurry is configured to be formed inside the housing. ### Claim 12 (depends on 11) The coating system of claim 11, wherein the first fluid is configured to promote evaporation of the second fluid as droplets of the slurry traverse from the housing toward one or more surfaces of the component. ### Claim 13 (depends on 1) The coating system of claim 1, wherein the spray nozzle segment device is configured to be inserted into a turbine engine to spray the slurry onto one or more surfaces of the turbine engine without disassembling the turbine engine. ### Claim 14 (depends on 1) The coating system of claim 1, wherein the housing is shaped to control a flow rate of the slurry between an inlet of the housing and the delivery nozzles of the housing. ### Claim 15 A method comprising: maintaining a position of a spray nozzle segment device inside a component with a support fixture, the spray nozzle segment device comprising a housing configured to receive a slurry, the spray nozzle segment device configured to be disposed radially outward of a central axis of the component and shaped to extend circumferentially about at least part of the central axis of the component, the housing comprising plural delivery nozzles configured to spray the slurry onto a surface of the component, the support fixture sized to be partially inserted into one or more openings of the component, wherein the spray nozzle segment device is configured to be operably coupled with the support fixture such that the support fixture maintains a position of the spray nozzle segment device within the component when the support fixture is partially inserted into the one or more openings of the component; and spraying the slurry onto the surface of the component as a coating on the component. ### Claim 16 (depends on 15) The method of claim 15, further comprising disposing plural spray nozzle segment devices radially outward of the central axis of the component, each of the spray nozzle segment devices configured to be operably coupled with each other spray nozzle segment device in order to form a rail system extending circumferentially about at least part of the central axis of the component. ### Claim 17 (depends on 16) The method of claim 16, further comprising maintaining a position of each of the plural spray nozzle segment devices inside the component with plural support fixtures. ### Claim 18 (depends on 16) The method of claim 16, further comprising controlling operation of one or more valves of a reservoir coupled to the plural spray nozzle segment devices in order to control one or more of an amount of the slurry provided to each of the spray nozzle segment devices, a pressure of the slurry provided to each of the spray nozzle segment devices, a flow rate at which the slurry is provided to each of the spray nozzle segment devices, a temporal duration at which the slurry is provided to each of the spray nozzle segment devices, or a time at which the slurry is provided to each of the spray nozzle segment devices. ### Claim 19 (depends on 15) The method of claim 15, further comprising controlling one or more of an amount of the slurry provided to the spray nozzle segment device, a pressure of the slurry provided to the spray nozzle segment device, a flow rate at which the slurry is provided to the spray nozzle segment device, a temporal duration at which the slurry is provided to the spray nozzle segment device, or a time at which the slurry is provided to the spray nozzle segment device with a spray controller operably coupled with the spray nozzle segment device. ### Claim 20 (depends on 15) The method of claim 15, further comprising controlling one or more of an amount of the slurry provided to each of the one or more delivery nozzles, a pressure of the slurry provided to each of the one or more delivery nozzles, a flow rate at which the slurry is provided to each of the one or more delivery nozzles, a temporal duration at which the slurry is provided to each of the one or more delivery nozzles, or a time at which the slurry is provided to each of the one or more delivery nozzles with a spray controller operably coupled with the spray nozzle segment device. ### Claim 21 (depends on 15) The method of claim 15, further comprising inserting the spray nozzle segment device into a turbine engine to spray the slurry onto one or more surfaces of the turbine engine without disassembling the turbine engine.