Reversible air maintenance tire and pump assembly
An air maintenance tire and pump assembly includes an elongate annular air passageway enclosed within a bending region of a tire, the air passageway operatively closing and opening segment by segment as the bending region of the tire passes through a rolling tire footprint to pump air along the air...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | An air maintenance tire and pump assembly includes an elongate annular air passageway enclosed within a bending region of a tire, the air passageway operatively closing and opening segment by segment as the bending region of the tire passes through a rolling tire footprint to pump air along the air passageway. A pair of inline valves are positioned on respective opposite sides of an inlet junction and direct a flow of inlet air in opposite directions into the air passageway; and a pair of outlet valves are positioned at a downstream side of a respective inline valve and direct a flow of the inlet air from the downstream side of a respective inline valve toward the tire cavity. The valves are selectively opened by a direction of air flow within the air passageway which, in turn, is directionally determined by the direction in which the tire rotates. |
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