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Quantum granted key patent related to natural gas fuel systems

Quantum announced that it has received official notification from the United States Patent and Trademark Office that the company has been issued a key patent covering pressure and flow management for on-board gaseous fuel storage systems. This newly granted patent, U.S. 8,322,357, claims, among other things, a bi- directional fuel system comprising a fuel storage tank, a regulator, a check valve between the storage tank and the fill line and configured to allow flow into the storage tank; and a distal pressure delayer having an inlet connected to the fill line and an outlet connected to the tank valve.