Patent ID: 9534879
Date: 2017-01-03
CPC Classifications: B05B,F23D,F41A,F41B,F41H,F42B

Claim:
1. A fluid gun system for propelling a stream or slug of a fluid at a high velocity towards a target, the system comprising: a gun barrel having a central bore, an open front end, an open rear end, a side, and an opening through the side for conveying fluid into the central bore; a fluid storage tank for containing a pressurized fluid; a fluid supply line for supplying pressurized fluid from the fluid storage tank to the opening in the side of the gun barrel; a fluid ejection valve disposed in the fluid supply line, for controlling flow of the pressurized fluid from the fluid storage tank to the opening in the side of the gun barrel; and a device attached to the open rear end that changes the pressure of fluid exiting the open rear end; wherein the device comprises a cavitating venturi nozzle for flash vaporizing the rearward-moving stream.