Pneumatic wheel assembly
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United States of America Patent
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Issued Date -
Oct 30, 2014
app pub date -
Apr 23, 2014
filing date -
Apr 24, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A pneumatic wheel assembly includes a tire, mounted to a wheel rim, including an inflation valve, one default air chamber and one or more spare inner chambers, which spare inner chambers are inflatable if necessary, such as in case of puncture of the tire, where the inflation valve includes a gas inlet and a multi-way valve having selectable switching states to fluidly connect the inlet to either one of the default chamber or one of the inflatable inner chambers thereby allowing for individual inflation of any of the chambers, and a perforated rigid chamber extending circumferentially around the rim between the tire beads and fluidly connectable to a gas outlet.
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