System for an air maintenance tire assembly
AssigneeThe Goodyear Tire & Rubber Company
InventorCheng-Hsiung Lin
Life of this patent
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Abstract
A system is used with a pneumatic tire mounted on a wheel rim to keep the pneumatic tire from becoming underinflated. The first system includes a plurality of pumps attached circumferentially to the wheel rim, each pump having pump parameters, and a control valve for controlling inlet air into a tire cavity of the pneumatic tire. The control valve has valve parameters. The system predicts system performance under various configurations and conditions through use of the pump parameters and the valve parameters.
Claims13
A pumping assembly for use with a pneumatic tire mounted on a tire rim to keep the pneumatic tire from becoming underinflated, the pumping assembly comprising:
- a first pump having a first chamber and a second chamber, an outlet of the second chamber being connected to an inlet of a second pump, the first pump including a piston placed between the first chamber and the second chamber;
- and
- a check valve being disposed between the second chamber of the first pump and the inlet of the second pump.
A pumping assembly for use with a pneumatic tire mounted on a tire rim to keep the pneumatic tire from becoming underinflated, the pumping assembly comprising:
- a first pump having a first chamber and a second chamber, an outlet of the second chamber being connected to an inlet of a second pump, the first pump including a first diaphragm limiting motion of a piston in a first direction and a second diaphragm limiting motion of the piston in a second opposite direction;
- and
- a check valve being disposed between the second chamber of the first pump and the inlet of the second pump.
Dependencies are inferred from the claim text.