Rapid Air Release Valve for Compact Tubeless Tire Seating
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Solution Overview
Problem
Existing pneumatic tire seaters for tubeless tires require large, unwieldy air tanks that are inconvenient to store, lift, and carry, and take longer to fill with pressurized air.
Innovation Solution
A pneumatic tire seater with a smaller air tank and an advanced rapid air release (RAR) gas valve, which includes a piston configured to slide back and forth within a cylinder, a control chamber with a compression spring and flexible cushion, and a nozzle connected to the RAR gas valve to direct air into the gap between the tire and the rim.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large air tank (15+ liters) is used to hold enough pressurized air to seat the tire, then the tire can be effectively seated, but the device becomes unwieldy and difficult to store, lift, and carry
Solution Approach 1:
The patent applies dynamics by using a rapid air release valve with a piston that can quickly transition from a closed to an open state. The piston is biased by a spring and controlled by a solenoid, allowing the system to dynamically switch between holding pressurized air and releasing it rapidly. This dynamic control enables a smaller tank to deliver the necessary air volume on demand without requiring a constantly large, unwieldy tank.
Solution Approach 2:
The patent applies preliminary action by pre-charging a smaller air tank to a higher pressure before use. The rapid air release valve is designed to deliver a controlled burst of air when activated, providing the necessary seating force without requiring the tank to be constantly large. The system prepares the air supply in advance at optimal pressure, then releases it rapidly when needed.
2Reliability
If a large air tank is used to provide sufficient pressurized air volume, then the tire can be seated, but the tank takes longer to fill with pressurized air
Solution Approach 1:
The patent applies parameter changes by transitioning from a large-volume, low-pressure air supply to a smaller-volume, high-pressure air supply. The rapid air release valve is designed to deliver air at optimized pressure and flow rates, providing the necessary total air volume for tire seating while reducing the tank size and filling time. By changing the pressure parameter and controlling the release rate, the system achieves the required air delivery with a smaller, faster-to-fill tank.
3Stress or pressure
If conventional pneumatic tire seaters are used with large air tanks, then sufficient air pressure can be maintained, but the device complexity increases
Solution Approach 1:
The patent applies the extraction principle by isolating the air pressure maintenance function into a dedicated rapid air release valve mechanism. Rather than relying on the entire system structure to maintain pressure, the patent extracts the pressure control function into a specific component with a piston, spring, and solenoid arrangement. This modular approach maintains air pressure effectively while reducing overall system complexity compared to conventional designs.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution allows for efficient seating of tubeless tires with a smaller, more convenient air tank that is easier to handle and fill, while maintaining the necessary air pressure to seat the tire effectively.
Implementation Method 1
The control chamber contains a compression spring and a flexible cushion
Implementation Method 2
a high volume of air blown rapidly between the rim and the bead of the tire can seat the tire on the rim
Data Source
AI summary
A pneumatic tire seater for seating a tubeless tire on a rim has an advanced rapid air release (RAR) valve mounted on a tank suitable for containing pressurized air. A nozzle is mounted on one end of the RAR valve, and the other end of the valve is in unconstrained pneumatic communication with the interior of the air tank. A piston is within a cylinder of the RAR valve. A control chamber behind the piston contains a compression spring. Control gas passageways provide constrained pneumatic communication between the control chamber and the air tank, passing control gas into the control chamber. In response to actuating a control mechanism, the air in the control chamber is vented out into the atmosphere causing the RAR valve to rapidly open, producing a blast of air of sufficient magnitude to seat a tire on a rim.