Cascade system

1. A system, comprising: an electrostatic spray tool, comprising: a cascade system, comprising: electrical components comprising: an electrical generator, wherein the electrical components are configured to convert an alternating current at a first voltage into a direct current at a second voltage; and a transformer comprising a first cross-sectional geometry; and a shell comprising an interior having a second cross-sectional geometry comprising a plurality of rounded walls of an upper portion of the shell, wherein the shell is configured to electrically isolate the electrical components, and wherein a first shape of the first cross-sectional geometry of the transformer and a second shape of each rounded wall of the plurality of rounded walls of the interior upper portion of the shell match with one another such that the shell conforms to the transformer wherein the first shape of the first cross-sectional geometry of the transformer and the second shape of each rounded wall of the plurality of rounded walls of the interior upper portion of the shell each comprise a matching radius of curvature.

2. The system of claim 1 , wherein the shell comprises a first shell piece and a second shell piece configured to assemble together to conform to a contour of the electrical components.

3. The system of claim 2 , wherein the first shell piece comprises a first end configured to receive an oscillator.

4. The system of claim 3 , wherein the first shell piece comprises a second end configured to couple to the second shell piece to surround the transformer.

5. The system of claim 4 , wherein the second end comprises a longitudinal opening configured to be smaller than a diameter of the transformer.

6. The system of claim 1 , wherein the shell is configured to have a gap distance between the plurality of rounded walls and the transformer that is 5 mm or less.

7. The system of claim 1 , comprising a saw-tooth pattern along an edge of the shell configured to separate wires.

8. The system of claim 1 , wherein the cascade system comprises a cascade configured to be installed within a barrel portion of the electrostatic tool and to convert a low-voltage alternating current (AC) signal to a high-voltage direct current (DC) signal.

9. A system, comprising: a cascade system comprising one or more electrical components, the electrical components comprising: an oscillator, wherein the oscillator is configured to convert a low-voltage alternating current signal to a low-voltage direct current signal; a transformer comprising a first cross-sectional geometry, wherein the transformer is configured to convert the low-voltage direct current signal to a high-voltage signal; and a shell comprising an interior having a second cross-sectional geometry comprising a plurality of rounded walls of an upper portion of the shell, and wherein a first shape of the first cross-sectional geometry of the transformer and a second shape of each rounded wall of the plurality of rounded walls of the interior upper portion of the shell are configured to match one another wherein the first shape of the first cross-sectional geometry of the transformer and the second shape of each rounded wall of the plurality of rounded walls each comprise a matching radius of curvature.

10. The system of claim 9 , comprising wires configured to transfer the low-voltage signal from the oscillator to the transformer, wherein the wires are separately disposed in a plurality of channels on an edge of the shell.

11. The system of claim 9 , wherein a first height of an oscillator end of the shell is at least 10 percent smaller than a second height of a transformer end of the shell.

12. The system of claim 9 , wherein the shell is configured to have a gap distance between the plurality of rounded walls and the transformer that is 5 mm or less.

13. The system of claim 12 , wherein a first shell piece comprises an oscillator end of the shell and at least a part of a transformer end of the shell, and a second shell piece comprises a remaining part of the transformer end of the shell.

14. The system of claim 13 , wherein the first shell piece splits longitudinally from the second shell piece, and the first shell piece and the second shell piece are configured to longitudinally fit over the transformer.

15. A system, comprising: an electrostatic tool comprising: a handle portion including an electrical generator and an electric generator air passage; a barrel portion coupled to the handle portion; and a cascade configured to be installed within the barrel portion and to convert a low-voltage alternating current (AC) signal to a high-voltage direct current (DC) signal, wherein the cascade comprises: interior electrical components comprising a transformer, wherein the transformer comprises a first cross-sectional geometry; and an exterior shell comprising an interior having a second cross-sectional geometry comprising a plurality of rounded walls of an upper portion of the shell, wherein a first shape of the first cross-sectional geometry of the transformer and a second shape of each rounded wall of the plurality of rounded walls of the interior upper portion of the shell match with one another, such that the exterior shell conforms to a shape of the transformer wherein the first shape of the first cross-sectional geometry of the transformer and the second shape of each rounded wall of the plurality of rounded walls of the interior each comprise a matching radius of curvature.

16. The system of claim 15 , wherein the exterior shell is configured to maintain a gap distance between the exterior shell and the interior electrical components that is 5 mm or less.

17. The system of claim 16 , wherein the shell comprises a saw-tooth pattern along an edge of the shell configured to separate wires.