A tool for seating a tubeless tire on a rim using pressurized gas includes a cylindrical pressure vessel with a pistol grip extending radially from the tank. The tool includes a rapid opening gas valve positioned between the cylindrical pressure vessel and a nozzle. In some embodiments the nozzle in
A tool for seating a tubeless tire on a rim using pressurized gas includes a cylindrical pressure vessel with a pistol grip extending radially from the tank. The tool includes a rapid opening gas valve positioned between the cylindrical pressure vessel and a nozzle. In some embodiments the nozzle includes a jet configured to receive pressurized gas from the cylindrical pressure vessel into a chamber of the nozzle so that as the stream of gas enters the chamber, the Venturi effect causes air to enter the chamber through air intake ports and the stream of gas and air from the air intake ports is blown out of the outlet of the nozzle. The tire is seated on the rim by positioning the system so that the air from the nozzle rapidly blows into the tire between the bead of the tire and the rim upon the valve being opened.
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1. A tool for seating a tubeless die on a rim using pressurized gas, the tool comprising: a cylindrical pressure vessel with an input port, said input port suitable for tilting the cylindrical pressure vessel with, said pressurized gas;a nozzle pneumatically coupled to an outlet on a distal end of t
1. A tool for seating a tubeless die on a rim using pressurized gas, the tool comprising: a cylindrical pressure vessel with an input port, said input port suitable for tilting the cylindrical pressure vessel with, said pressurized gas;a nozzle pneumatically coupled to an outlet on a distal end of the cylindrical pressure vessel said nozzle configured to blow the pressurized gas between a rim and a tire bead;a gas valve configured to control a flow of the pressurized gas from the outlet on the distal end of the cylindrical pressure vessel;a pistol grip extending radially from the cylindrical pressure vessel;a release control located at a position within 15 centimeters (cm) of the pistol grip;a cylinder with one closed end fixedly positioned inside the cylindrical pressure vessel;a piston shaped to fit in the cylinder, the piston positioned in the cylinder and having a cross-sectional area greater than an outlet area of the outlet on the distal end of the cylindrical pressure vessel, the piston able to slide in a reciprocating motion In the cylinder, the piston defining a substantially centralized cavity, wherein a control reservoir is created in the cylinder between the closed end of the cylinder and the cavity of the piston, a volume of the control reservoir dependent on a position of the piston in the cylinder;a compressed spring positioned within the control reservoir between the closed end of the cylinder and a closed end of the cavity, the compressed spring configured to provide force on the piston to help seat the piston against the outlet on the distal end of the cylindrical pressure vessel;means for filling the control reservoir with control gas to a control pressure; anda release valve having an input and an outlet, the input of the release valve pneumatically coupled to the control reservoir, said release valve positioned to be opened by actuation of the release control;wherein if the control pressure of the control reservoir is greater than a release pressure the piston is seated against the outlet on the distal end of the cylindrical pressure vessel blocking the pressurized gas from leaving cylindrical pressure vessel; andwherein the gas valve is configured to open in response to actuation of the release control, allowing the control gas in the control reservoir to escape through the outlet of the release valve and the control pressure of the control gas remaining in the control reservoir to drop below the release pressure, resulting in the piston quickly sliding into the cylinder allowing the pressurized gas to flow through the outlet on the distal end of the cylindrical pressure vessel and out the nozzle. 2. The tool of claim 1, wherein the cylindrical pressure vessel has an internal volume of less than 6.1 liters; and wherein said gas valve Is located inside the cylindrical pressure vessel. 3. The tool of claim 1, wherein the pistol grip Is a stylized pistol grip, and the release control is a trigger located at a trigger position of the stylized pistol grip and configured to be manipulated by a user's index linger, the tool further comprising a trigger guard, wherein the trigger is configured between the stylized pistol grip and the trigger guard. 4. The tool of claim 1, further comprising: a tube pneumatically coupling the outlet on the distal end of the cylindrical pressure vessel to the nozzle, said tube having a length of at least 30 cm; anda handle extending radially from the tube. 5. The tool of claim 1, said gas valve comprising: wherein said release pressure is dependent on a primary pressure of the pressurized gas in the cylindrical pressure vessel and a difference in area between the outlet area and the cross-sectional area of the piston; andwherein the cylinder is configured to slide away from the outlet on the distal end of the cylindrical pressure vessel, allowing the pressurized gas in the cylindrical pressure vessel to flow through the outlet on the distal end of the cylindrical pressure vessel and out the nozzle. 6. The tool of claim 5, wherein the piston includes a piston ring, the piston ring positioned on the outside of the piston in close engagement with the inside wall of the cylinder; and wherein said means for filling the control reservoir comprise at least one gap in a piston ring to allow the pressurized gas to flow from cylindrical pressure vessel, through said at least one gap, into the control reservoir. 7. The tool of claim 5, wherein said means for filling the control reservoir comprise: a hole in the cylinder to allow the pressurized gas to flow from cylindrical pressure vessel, through said hole, into the control reservoir. 8. The tool of claim 5, wherein the release valve is a poppet valve. 9. The tool of claim 5, wherein the piston is comprised of a polyacetal polymer. 10. The tool of claim 5, wherein said means for filling the control reservoir comprise: a space between the inside wall of the cylinder and the piston. 11. The tool of claim 1, wherein the actuation of the release control opens the control reservoir to atmosphere outside the gas valve, allowing the control gas to escape from the control reservoir to the atmosphere. 12. The tool of claim 1, further comprising: a cushion provided within the control reservoir between the closed end of the cylinder and the piston, the cushion to aid in preventing said piston from hitting the closed end of the cylinder upon the piston quickly sliding into the cylinder as the gas valve opens. 13. The tool of claim 12, wherein said cushion is an O-ring. 14. A tool for seating a tubeless tire on a rim using pressurized gas, the tool comprising: a cylindrical pressure vessel with an input port, said input port, suitable for filling the cylindrical pressure vessel with said pressurized gas;a nozzle pneumatically coupled to an outlet on a distal end of the cylindrical pressure vessel, said nozzle configured to blow the pressurized gas between a rim and a tire head;a gas valve configured to control a flow of the pressurized gas from the outlet on the distal end of the cylindrical pressure vessel;a pistol grip extending radially from the cylindrical pressure vessel; anda release control located at a position within 15 centimeters (cm) of the pistol grip; wherein the nozzle comprises a jet configured to accept the pressurized gas flowing through the outlet on the distal end of the cylindrical pressure vessel and emit a first stream of gas through an orifice;a nozzle outlet suitable for directing a second stream of gas into a gap between the rim and die tire bead;a chamber extending into the nozzle from the nozzle outlet and situated to allow the first stream of gas to enter the chamber, the chamber having a cross sectional area at a point near where the first stream of gas enters the chamber that is larger than the orifice, said cross sectional area measured in a direction substantially perpendicularly to a direction of flow of the first stream of gas as it is emitted from the orifice; andat least one air intake port situated to allow air from outside the nozzle to enter the chamber and he emitted from the nozzle outlet if the stream of gas is flowing from the orifice, through the chamber and out of the nozzle outlet;wherein the second stream of gas comprises the first steam of gas and said air from outside the nozzle; andwherein the gas valve is configured to open in response to actuation of the release control, allowing the pressurized gas to flow through the outlet on the distal end of the cylindrical pressure vessel and out the nozzle. 15. The tool of claim 14, further comprising: a rim bracket attached to the nozzle near the nozzle outlet;wherein the rim bracket is configured to catch on a lip of a tire rim if the nozzle is positioned between the tire rim and a tire mounted on the tire rim to blow air into tire. 16. The tool of claim 14, wherein a combined area of the at least one air intake port is at least as large as the orifice. 17. The tool of claim 1, wherein air that did not come from the cylindrical pressure vessel, enters the tire due to a Venturi effect in response to the gas flowing through the nozzle.
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