A spray booth has an enclosure structure, a ventilation system and overhead lighting. An upper region of the structure defines an air inlet plenum. Air exits the inlet plenum into the work area of the booth through an array of filter elements. The resistance to airflow of the filter elements may be
A spray booth has an enclosure structure, a ventilation system and overhead lighting. An upper region of the structure defines an air inlet plenum. Air exits the inlet plenum into the work area of the booth through an array of filter elements. The resistance to airflow of the filter elements may be tuned to encourage non-uniform airflow in the workspace, and, in particular, to create a proportionately large inflow in a central region, and a flow near the walls. Part of the inflow may be located outboard of the overhead lighting assemblies, and part of the inflow may be located inboard of the lighting assemblies. The overhead lighting assemblies may be spaced apart by a distance that may be greater than the width of objects to be coated in the spray booth, and the lighting assemblies may be canted inward at an oblique angle relative to the horizontal, such that the wash of light from the spaced apart light sources may tend to be convergent.
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We claim: 1. A spray booth comprising walls and a ceiling extending therebetween, the spray booth having lighting apparatus, wherein said lighting apparatus includes at least a first lighting assembly and a second lighting assembly; said first and second lighting assemblies being located adjacent s
We claim: 1. A spray booth comprising walls and a ceiling extending therebetween, the spray booth having lighting apparatus, wherein said lighting apparatus includes at least a first lighting assembly and a second lighting assembly; said first and second lighting assemblies being located adjacent said ceiling and spaced inwardly of said walls; and said lighting assemblies being convergently oriented, wherein said walls include a first wall running more closely adjacent to said first lighting assembly than any other wall, and an opposed second wall running more closely adjacent to said second lighting assembly than any other wall, said spray booth having a ventilation system, wherein said ventilation system includes venting mounted between said first lighting assembly and said first wall. 2. The spray booth of claim 1 wherein said ventilation system includes venting mounted between said second lighting assembly and said second wall. 3. The spray booth of claim 1 wherein said ventilation system includes venting mounted between said first and second lighting assemblies. 4. The spray booth of claim 1 wherein said spray booth has a floor opposed to said ceiling, said walls standing upwardly of said floor, and said ventilation system includes inlet venting nearer to said ceiling than said floor, and outlet venting nearer to said floor than said ceiling. 5. The spray booth of claim 1 wherein said spray booth has a floor opposed to said ceiling, said walls standing upwardly of said floor, and said ventilation system includes outlet venting nearer to said ceiling than said floor, and inlet venting nearer to said floor than said ceiling. 6. A spray booth comprising walls and a ceiling extending therebetween, the spray booth having lighting apparatus, wherein said lighting apparatus includes at least a first lighting assembly and a second lighting assembly, said first and second lighting assemblies being located adjacent said ceiling and spaced inwardly of said walls, said lighting assemblies being convergently oriented, wherein said walls include a first wall running more closely adjacent to said first lighting assembly than any other wall, and an opposed second wall running more closely adjacent to said second lighting assembly than any other wall, said spray booth having a ventilation system, wherein said ventilation system includes inlet venting mounted between said first lighting assembly and said first wall, between said second lighting assembly and said second wall, and between said first lighting assembly and said second lighting assembly, and exhaust venting mounted distant from said ceiling. 7. A spray booth comprising walls and a ceiling extending therebetween, the spray booth having lighting apparatus, wherein said lighting apparatus includes at least a first lighting assembly and a second lighting assembly, said first and second lighting assemblies being located adjacent said ceiling and spaced inwardly of said walls, said lighting assemblies being convergently oriented, said spray booth having a ventilation system operable to urge overspray away from said lighting apparatus. 8. A spray booth comprising walls and a ceiling extending therebetween, the spray booth having lighting apparatus, wherein said lighting apparatus includes at least a first lighting assembly and a second lighting assembly; said first and second lighting assemblies being located adjacent said ceiling and spaced inwardly of said walls; and said lighting assemblies being convergently oriented, said spray booth having a ventilation system, said ventilation system including inlet vents mounted in a straddling arrangement relative to said lighting apparatus, and outlet vents mounted distant from said ceiling, said ventilation system being operable to introduce ventilating gas into said spray booth adjacent said lighting apparatus, and to urge ventilating gas introduced adjacent said lighting apparatus to move toward said outlet vents. 9. The spray booth of claim 7 wherein said ventilation system includes at least one vent mounted between said first and second lighting apparatus. 10. The spray booth of claim 7 wherein said paint spray booth has a central floor region on which to rest objects to be painted, said floor region having a footprint, said footprint having length and a width; said first lighting apparatus has a length oriented to run generally lengthwise relative to said footprint, said second lighting apparatus has a length oriented to run generally lengthwise relative to said footprint. 11. The spray booth of claim 10 wherein said first and second lighting assemblies have respective lengthwise centerlines, said lengthwise centerlines being spaced apart a distance greater than said width of said footprint. 12. The spray booth of claim 10 wherein said first and second lighting assemblies are symmetrically mounted relative to said footprint. 13. Lighting apparatus for a spray booth, the spray booth having walls and a ceiling extending therebetween, wherein said lighting apparatus includes at least a first lighting assembly and a second lighting assembly; said first and second lighting assemblies being located adjacent said ceiling and spaced inwardly of said walls; said lighting assemblies being convergently oriented, wherein, when viewed in a cross-section across the spray booth, said first lighting apparatus emits light at a maximum intensity along a first vector, said second lighting apparatus emits light at a maximum intensity along a second vector, and said first and second vectors intersect. 14. The lighting apparatus of claim 13 wherein the vectors intersect at a height greater than floor level.
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이 특허에 인용된 특허 (8)
DeRegge, Karel J., Integrated air flow booth and methods.
Telchuk Steve E. (Mundelein IL) Brown Leslie H. (Carol Stream IL), Paint spray booth with plenum means of reduced cross section and method of operating the same.
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