# US 2018/0021799 A1 · Paint overspray removal shroud > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0021799 A1 - Document ID: US20180021799A1 - Status: Published application - Kind: A1 - Application number: 15/658,329 - Filed: 2017-07-24 - Published: 2018-01-25 - Earliest claimed: 2016-07-22 - Assignees: RevolutioNice Inc. - Applicants: Integrated Construction Enterprises, Inc. - Inventors: Sreenivas Raman; Brian Jennings; Ryan J. Giovacchini; Leonard Weinstein - Web page: https://patentgrep.com/patent/US20180021799A1 ## CPC - B05B 14/00: Arrangements for collecting, re-using or eliminating excess spraying material (arrangements integral with nozzles B05B1/28) - B05B 1/28: with integral means for shielding the discharged liquid or other fluent material, e.g. to limit area of spray; with integral means for catching drips or collecting surplus liquid or other fluent material - B05B 12/18: using fluids, e.g. gas streams - B05B 14/30: comprising enclosures close to, or in contact with, the object to be sprayed and surrounding or confining the discharged spray or jet but not the object to be sprayed - B05D 1/02: performed by spraying - B05D 3/0493: {using vacuum} - Y02P 70/10: Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working - 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) - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract A shroud device (e.g., a paint sprayer shroud), according to particular embodiments, is configured to capture overspray (e.g., paint or other material that is applied to an unintended location) and/or increase an amount of paint that is delivered to a desired location (e.g., on a wall being painted, etc.). In various embodiments, the shroud device is configured for use in conjunction with a sprayer (e.g., such as any suitable paint spryer or other sprayer). In particular embodiments, the shroud device may comprise a blower portion and a suction portion that work in conjunction to recirculate overspray into a sprayer flow and onto a medium, for example, via a recirculation shroud. ## Claims ### Claim 1 A shroud device for use in spraying applications, the shroud device having a base portion and a spray release end, defining an open area within the shroud device, and comprising: a suction portion comprising: a suction frame flaring from the base portion to the spray release end, defining a suction access cutaway adjacent the base portion and a spray cutaway disposed adjacent the spray release end, wherein: the suction frame comprises a recirculation shroud, the recirculation shroud being in communication with the suction access cutaway and defining at least one suction hole; and the spray cutaway is dimensioned to enable spray from a sprayer to pass through the shroud device such that at least a portion of the spray to deposit upon a medium via the spray cutaway; a blowing portion comprising: a blowing frame flaring from the base portion to the spray release end, defining a blower access cutaway adjacent the base portion, and comprising: a blowing tube disposed adjacent the spray release end, the blowing tube being in communication with the blower access cutaway and defining at least one blowing slot, wherein: the blowing portion and the suction portion are co-facing; the shroud device is configured to recirculate a plurality of overspray droplets from the spray within the shroud device via a combination of a suction force introduced within the shroud via the at least one suction hole and a blowing force introduced within the shroud via the at least one blowing slot. ### Claim 2 (depends on 1) The shroud device of claim 1, wherein the blowing frame comprises: a first blowing frame sidewall defining a first enclosed blowing frame sidewall chamber, the first enclosed blowing frame sidewall chamber extending between a first end of the blowing tube and the blower access cutaway, and facilitating the communication between the blower access cutaway and the blowing tube; and a second blowing frame sidewall defining a second enclosed blowing frame sidewall chamber, the second enclosed blowing frame sidewall chamber extending between a second end of the blowing tube and the blower access cutaway, and facilitating the communication between the blower access cutaway and the blowing tube. ### Claim 3 (depends on 2) The shroud device of claim 2, wherein the suction frame comprises: a first suction frame sidewall defining a first enclosed suction frame sidewall chamber, the first enclosed suction frame sidewall chamber extending between a first end of the recirculation shroud and the suction access cutaway, and facilitating the communication between the suction access cutaway and the recirculation shroud; and a second suction frame sidewall defining a second enclosed suction frame sidewall chamber, the second enclosed suction frame sidewall chamber extending between a second end of the recirculation shroud and the blower access cutaway, and facilitating the communication between the suction access cutaway and the recirculation shroud. ### Claim 4 (depends on 3) The shroud device of claim 3, wherein the recirculation shroud extends between the first suction frame sidewall and second suction frame sidewall through the open area of the shroud device. ### Claim 5 (depends on 4) The shroud device of claim 4, wherein the recirculation shroud comprises a semielliptical prism. ### Claim 6 (depends on 3) The shroud device of claim 3, wherein the at least one slot extends from the first enclosed blowing frame sidewall chamber to the second enclosed blowing frame sidewall chamber. ### Claim 7 (depends on 1) The shroud device of claim 1, wherein the at least one suction hole defines a plurality of suction holes. ### Claim 8 (depends on 7) The shroud device of claim 7, wherein the plurality of suction holes comprise 360 suction holes. ### Claim 9 (depends on 1) The shroud device of claim 1, wherein: the shroud device comprises a roller; and the roller comprises a biasing mechanism for biasing the roller against the medium while the sprayer is applying a spray to the medium. ### Claim 10 (depends on 1) The shroud device of claim 1, wherein the spray cutaway is positioned such that when the shroud device is used in combination with the sprayer, the sprayer sprays at an angle of between about fifteen degrees and about thirty degrees from perpendicular to a plane defined by the spray cutaway. ### Claim 11 (depends on 10) The shroud device of claim 10, wherein the spray cutaway is positioned such that when the shroud device is used in combination with the sprayer, the sprayer sprays at an angle of about twenty degrees from perpendicular to the plane defined by the spray cutaway. ### Claim 12 (depends on 1) The shroud device of claim 1, wherein the recirculation shroud is configured to recirculate at least a portion of the plurality of overspray droplets back into the spray and onto the medium. ### Claim 13 A paint sprayer shroud for recirculating at least a portion of a plurality of overspray droplets from a sprayer back into a sprayer flow form the sprayer and onto a wall, the paint sprayer shroud comprising: a suction frame flaring from a base portion to a planar spray release end, defining a suction access cutaway adjacent the base portion and a spray cutaway disposed adjacent the spray release end, wherein: the suction frame comprises a curved recirculation shroud and a suction tube, the suction tube being in communication with the suction access cutaway and defining a plurality of suction holes; and the spray cutaway is dimensioned to enable spray from a sprayer to pass through the paint sprayer shroud such that at least a portion of the spray is deposited upon a medium via the spray cutaway; and a blowing frame flaring from the base portion to the spray release end, defining a blower access cutaway adjacent the base portion, and comprising: a blowing tube disposed adjacent the spray release end, the blowing tube being in communication with the blower access cutaway and defining at least one blowing slot, wherein: the recirculation shroud is dimensioned to recirculate at least a portion of the plurality of overspray droplets back into the sprayer flow and onto the medium; and the paint sprayer shroud is configured to direct airflow via the at least one spray cutaway such that the airflow directs the plurality of overspray droplets upward toward the recirculation shroud. ### Claim 14 (depends on 13) The paint sprayer shroud of claim 13, wherein the suction frame comprises: a first suction frame sidewall defining a first enclosed suction frame sidewall chamber, the first enclosed suction frame sidewall chamber extending between a first end of the suction tube and the suction access cutaway, and facilitating the communication between the suction access cutaway and the suction tube; and a second suction frame sidewall defining a second enclosed suction frame sidewall chamber, the second enclosed suction frame sidewall chamber extending between a second end of the suction tube and the blower access cutaway, and facilitating the communication between the suction access cutaway and the suction tube. ### Claim 15 (depends on 14) The paint sprayer shroud of claim 14, wherein the recirculation shroud, the first suction frame sidewall, and the second suction frame sidewall define at least a portion of an open area within the paint sprayer shroud. ### Claim 16 (depends on 15) The paint sprayer shroud of claim 15, wherein the shroud is configured to: cause the airflow to flow through the at least one spray cutaway such that the airflow directs the plurality of overspray droplets upward toward the recirculation shroud; and remove at least a portion of entrained air from the shroud device via the plurality of suction holes ### Claim 17 (depends on 13) The paint sprayer shroud of claim 13, further comprising a second suction tube, the second suction tube being in communication with the suction access cutaway and defining a second plurality of suction holes. ### Claim 18 A method of reducing wasted material in spraying applications, the method comprising: providing a sprayer; providing a shroud device comprising: a suction frame flaring from a base portion to a planar spray release end, and defining a suction access cutaway adjacent the base portion and a spray cutaway disposed adjacent the spray release end, wherein: the suction frame comprises a curved recirculation shroud and a suction tube, the suction tube being in communication with the suction access cutaway and defining a plurality of suction holes; and the spray cutaway is dimensioned to enable spray from a sprayer to pass through the shroud device such that at least a portion of the spray is deposited upon a medium via the spray cutaway; and a blowing frame flaring from the base portion to the spray release end, defining a blower access cutaway adjacent the base portion, and comprising: a blowing tube disposed adjacent the spray release end, the blowing tube being in communication with the blower access cutaway and defining at least one blowing slot, wherein: the recirculation shroud is dimensioned to recirculate at least a portion of the plurality of overspray droplets back into the sprayer flow and onto the medium; and the shroud device is configured to direct airflow via the at least one spray cutaway such that the airflow directs the plurality of overspray droplets upward toward the recirculation shroud. providing a vacuum device; providing a blowing device; attaching the shroud device to the sprayer; attaching the vacuum device to the suction access cutaway; attaching the blowing device to the blower access cutaway; and while the blowing device is blowing and the vacuum device is sucking, using the sprayer to apply a material to the medium. ### Claim 19 (depends on 19) The method of claim 19, wherein the blowing device is configured to cause the airflow to flow through the at least one spray cutaway such that the airflow directs the plurality of overspray droplets upward toward the recirculation shroud; and the vacuum device is configured to remove at least a portion of entrained air from the shroud device via the plurality of suction holes. ### Claim 20 (depends on 19) The method of claim 19, wherein the blowing device comprises at least one air compressor.