Resilient tires and wheels – Tires – resilient – Inflating devices
Patent
1995-08-09
1997-01-07
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Inflating devices
417233, 417211, B60C 2312, F04B 1706, F04B 1922
Patent
active
055912818
ABSTRACT:
A device for automatically maintaining desired air pressure within a vehicle tire utilizes inertial forces from changes in vehicle speed. The device includes a flywheel attached to and concentric with the vehicle wheel but free to rotate relative the wheel, and an air compressor attached to the vehicle wheel and connected to the tire, the compressor piston responsive to rotation of the flywheel with respect to the vehicle wheel to pass air into the tire. Preferably a connecting rod converts the rotation of the flywheel relative the wheel into the reciprocating sliding of a piston to operate the air compressor. Additionally, a centrifugal intake valve is preferably provided that seals off the inlet passageway to the air compressor when the vehicle is stopped or moving slowly to prevent contaminants from entering. Advantageously, the device of the present invention may easily be attached to or removed from the vehicle wheel and is entirely contained on the wheel, without the need for a rotating joint or any physical contact to the vehicle frame or body.
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Ball Michael W.
Lorin Francis J.
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