Patent ID: 7677274
Filing Date: 2010-03-16
Classification: B60S,Y10T

Abstract:
1. A method of ensuring pressure equalization between a plurality of tires during conversion of fill gas in the plurality of tires from a first gas mixture to a final gas mixture, wherein the final gas mixture has a higher concentration of nitrogen than the first gas mixture, and wherein the plurality of tires are in fluid communication via a manifold, the method comprising: extracting a portion of the first gas mixture from the plurality of tires through the manifold; supplying nitrogen gas to the plurality of tires from a nitrogen source through the manifold creating a second gas mixture, the second gas mixture comprising the first gas mixture and the supplied nitrogen gas; extracting a portion of the second gas mixture from the plurality of tires through the manifold; and supplying nitrogen gas to the plurality of tires from the nitrogen source through the manifold creating a third gas mixture, the third gas mixture comprising the first gas mixture, the second gas mixture and the supplied nitrogen gas.