US Patent Issued to SIGNAL POWER GROUP OPERATING on May 13 for "Multi-speed turbine reduction gearbox system and method" (Arizona Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,728, issued on May 13, was assigned to SIGNAL POWER GROUP OPERATING LLC (Oro Valley, Ariz.).

"Multi-speed turbine reduction gearbox system and method" was invented by David Keith Crowe (Tucson, Ariz.) and Elden Crom (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and devices are provided for a turbine driven pump gearbox. A turbine engine may drive a primary shaft having gears. The gears may selectably engage with gears of a secondary shaft that drives a machine (e.g., pump). By changing which gears of the primary shaft engage with which gears of the secondary shaft, a gear ratio may be changed. A power takeoff device...