Automated tire inflation apparatus

• US 9,352,727 B2
• Filed: 04/11/2014
• Issued: 05/31/2016
• Est. Priority Date: 04/12/2013
• Status: Active Grant

• Current Assignee: The Coats Co. LLC (Vontier Corp.)
• Original Assignee: Hennessy Industries Incorporated (Vontier Corp.)
• Inventors: Story, John
• Primary Examiner(s): ARNETT, NICOLAS ALLEN
• Application Number:
  US14/250,944
• Publication Number:
  US 20140305538A1
• Time in Patent Office: 781 Days
• Field of Search: 141/38, 157/1.1, 157/1.11
• US Class Current: 1/1
• CPC Class Codes: B60C 25/12 for only seating the beads
• CPC Class Codes: B60C 25/145 for locating provisionally the beads of tubeless tyres against the sealing surfaces of the rims, e.g. air filling bell
• CPC Class Codes: B60C 25/147 Safety cages for inflation
• CPC Class Codes: B60S 5/043 characterised by the inflation control means or the drive of the air pressure system

Abstract

An apparatus for inflating a tire including a base and a tire inflation line coupled with a pressure sensor. An air blast assembly includes a blast line fluidly coupled to a blast nozzle located on the base and configured to receive and direct pressurized gas from the blast line when the blast nozzle is in an air blast position relative to a tire and wheel assembly supported on the base. A device controller can monitor the pressure of a tire and wheel assembly and sense whether an effective tire bead seal has been formed. The device controller can generate a blast signal when no seal has been formed. A gas flow controller coupled to the air blast assembly and the device controller can be responsive to the blast signal to cause a blast of pressurized gas to be released from the blast nozzle to create an effective tire bead seal.

Claims

1. An apparatus for inflating a tire comprising:

a base configured to support a tire and wheel assembly;

a tire inflation line;

a pressure sensor coupled to the tire inflation line;

an air blast assembly comprising a blast line fluidly coupled to a blast nozzle, wherein the blast nozzle is located on the base and configured to receive pressurized gas from the blast line and to direct pressurized gas when the blast nozzle is in an air blast position relative to a tire and wheel assembly supported on the base;

a device controller functionally coupled to the pressure sensor, the device controller configured to

monitor a pressure of a tire to sense whether an effective tire bead seal has been formed in a tire and wheel assembly supported on the base, and

generate an air blast control signal when an effective tire bead seal has not been formed in a tire and wheel assembly supported on the base; and

a gas flow controller functionally coupled to the air blast assembly and to the device controller, wherein the gas flow controller is responsive to the air blast control signal to cause an air blast of pressurized gas to be released from the blast nozzle from the air blast position toward the tire and wheel assembly to create an effective tire bead seal.

2. The apparatus of claim 1, further comprising a wheel position assembly mounted on the base and functionally coupled to the device controller, and wherein

the device controller is further configured to generate a wheel position control signal when an effective tire bead seal has not been formed in a tire and wheel assembly supported on the base, and

the wheel position assembly is responsive to the wheel position control signal to move a tire and wheel assembly supported on the base to the air blast position relative to the blast nozzle before the air blast is released.

3. The apparatus of claim 2, wherein:

the base comprises an upper cage section, and the blast nozzle is located on the upper cage section; and

the wheel position assembly comprises a lift member, the lift member is responsive to the wheel position control signal to move the tire and wheel assembly vertically to the air blast position relative to the blast nozzle before the air blast is released.

4. The device of claim 3, wherein the lift member comprises a pneumatic cylinder.

5. The apparatus of claim 1, further comprising a blast nozzle movement assembly mounted on the base and functionally coupled to the device controller, and wherein

the device controller is further configured to generate a blast nozzle position control signal when an effective tire bead seal has not been formed in a tire and wheel assembly supported on the base, and

the blast nozzle movement assembly is responsive to the blast nozzle position control signal to move the blast nozzle to the air blast position relative to the tire and wheel assembly before the air blast is released.

6. The apparatus of claim 5, wherein the blast nozzle movement assembly comprises guide rails and at least one linear actuator mounted on the base, the blast nozzle located on the guide rails, and the linear actuator is responsive to the blast nozzle position control signal to move the blast nozzle on the guide rails to the air blast position relative to a tire and wheel assembly supported on the base before the air blast is released.

7. The apparatus of claim 1, further comprising a wheel position assembly and a blast nozzle movement assembly mounted on the base, the wheel position movement assembly and the blast nozzle movement assembly functionally coupled to the device controller, and wherein

the device controller is further configured to generate a wheel position control signal and a blast nozzle position control signal when an effective tire bead seal has not been formed in a tire and wheel supported on the base, and

the wheel position assembly is responsive to the wheel position control signal to move a tire and wheel assembly supported on the base to the air blast position relative to the blast nozzle and the blast nozzle movement assembly is responsive to the blast nozzle position control signal to move the blast nozzle to the air blast position relative to a tire and wheel assembly supported on the base before the air blast is released.

8. The apparatus of claim 1, wherein the base further comprises a upper cage section and front and back panels, the upper cage section and front and back panels positioned to partially surround a tire and wheel assembly supported on the base.

9. The apparatus of claim 1, further comprising a pneumatic tank fluidly coupled to the air blast line.

10. The apparatus of claim 9, wherein the pneumatic tank is attached to the base.

11. The apparatus of claim 1, further comprising an air compressor in fluid communication with the blast nozzle.

12. The apparatus of claim 1, wherein the device controller is functionally coupled to the tire inflation line, and wherein

the device controller is configured to monitor an inflation pressure in a tire and wheel assembly supported on the base and generate a tire inflation control signal after an effective tire bead seal has been formed between a tire and wheel assembly, and

the tire inflation line is responsive to the tire inflation control signal to pressurize a tire to a desired pressure.

13. The apparatus of claim 1, wherein the base further comprises one or more rollers configured for supporting and allowing horizontal movement of a tire and wheel assembly supported on the base.

14. The apparatus of claim 1, wherein

the air blast assembly further comprises a second blast nozzle located on the base, the second blast nozzle fluidly coupled to the blast line and configured to receive pressurized gas from the blast line and to direct pressurized gas when the second blast nozzle is in a second air blast position relative to a tire and wheel assembly supported on the base.

15. A method of controlling the inflation of a tire using a tire inflation apparatus, the tire inflation apparatus including a device controller and an air blast nozzle coupled to a source of pressurized gas, the method comprising the steps of:

directing gas into the tire via a tire inflation line;

using a pressure monitor coupled to the device controller, automatically monitoring the pressure of the tire to sense whether an effective tire bead seal has been formed in a tire and wheel assembly;

generating an air blast control signal from the device controller when an effective tire bead seal has not been formed; and

in response to the air blast control signal, automatically releasing an air blast of pressurized gas toward the tire and wheel assembly to create an effective tire bead seal.

16. The method of claim 15, wherein the tire inflation line is functionally coupled to the device controller, and the method further comprises generating a tire inflation control signal in the controller after an effective tire bead seal is formed, the tire inflation line receiving the tire inflation control signal to cause the tire to be pressurized to a desired pressure.

17. The method of claim 15, wherein the tire inflation apparatus further includes a wheel position assembly functionally coupled to the device controller, the method further comprising

outputting a wheel position control signal from the device controller when an effective tire bead seal has not been formed,

receiving the wheel position control signal in the wheel position assembly,

in response to receiving wheel position control signal, moving the tire and wheel assembly supported on the base to the air blast position relative to the blast nozzle.

18. The method of claim 15, wherein the tire inflation apparatus further includes a blast nozzle movement assembly, and the method further comprises

outputting a nozzle position control signal from the device controller when an effective tire bead seal has not been formed,

receiving the nozzle position control signal in the blast nozzle position assembly,

in response to receiving nozzle position control signal, moving the blast nozzle to the air blast position relative to the blast nozzle.