Resilient tires and wheels – Tires – resilient – Inflating devices
Reexamination Certificate
2008-05-06
2008-05-06
Bellinger, Jason R. (Department: 3617)
Resilient tires and wheels
Tires, resilient
Inflating devices
Reexamination Certificate
active
07367371
ABSTRACT:
An automatic inflation and deflation circuit for a tube (3) is produced with a single compressed fluid supply conduit (5). The inflation results from subjecting a non-return valve (VA) in series on the conduit to excess pressure. Deflation is provided by subjecting the non-return valve for a brief moment to excess pressure and then in producing (EVDG) a calibrated leak (11) in the conduit. Evidence is provided that the pressure in the conduit is such that it enables to maintain the non-return valve open, although the pressure on the side of the tube is higher than the pressure in the conduit during deflation.
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International Search Report dated Aug. 6, 2002.
Battochio Claudio
Meydieu Michel
Bellinger Jason R.
Buchanan & Ingersoll & Rooney PC
Michelin Recherche ET Technique S.A.
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