ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,822, issued on May 26, was assigned to ANDRITZ HYDRO GmbH (Vienna).
"Sluice gate for a hydropower station" was invented by Francis Michaud (Sainte-Catherine, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sluice gate for a hydropower station, a method of operating a sluice gate and a hydropower station. The sluice gate includes rollers via which the sluice gate can be movably mounted on rails and a sealing surface having a seal with which an upstream water can be sealed off from a downstream water. Lubricant lines are provided through which lubricant can be fed to the rollers and lubricant return lines are connected to the rollers. Via the l...