Patent ID: 8074746

Claim:
Tool for crushing coke, including a casing, which, in an operational state is connected to a drill rod; at least one cutting nozzle for cutting of coke and at least one drill nozzle for drilling of coke; at least one valve for controlling a direction of flow of water flowing through the drill rod and the casing through the at least one cutting nozzle and through the at least one drill nozzle, said at least one valve being positioned as a diverter in an entrance of said tool; at least two flow passages within the casing; each said flow passage respectively forming closed-off regions and being associated individually with a feed aperture and each said flow passage extending respectively between the associated feed aperture and one of the cutting nozzle and the drill nozzle; the at least one valve completely closing and opening the feed apertures and being further provided above both the cutting nozzle and the drill nozzle in a region of the feed apertures; and the feed apertures being essentially in an orientation normal to the direction of flow of the water flowing through the drilling rod and the casing, wherein in the operational state of cutting, the feed aperture to the drilling nozzle is completely closed by the at least one valve and in the operational state of drilling, the feed aperture to the cutting nozzle is completely closed by the at least one valve, wherein said at least one valve includes a valve body configured for closing one of the feed apertures depending on a respective operational state, and wherein said valve body is in engagement with means for guiding said valve body.