ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,899, issued on Oct. 20, was assigned to AISAN KOGYO K.K. (Obu, Japan).
"Water discharge valve system" was invented by Takafumi Uratsuka (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water discharge valve system that may include a gas-liquid separator configured to store water discharged from a fuel cell; a water discharge valve configured to discharge the water stored in the gas-liquid separator outside; and a controller configured to execute open-close control of the water discharge valve, wherein the controller intermittently opens and closes the water discharge valve such that a ratio of a valve-open duration to a valve-closed d...