ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,057, issued on March 18, was assigned to Alvin Gregorash (Winnipeg, Canada).
"Hydraulic turbine motor" was invented by Robert J. Stephens (Winnipeg, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic turbine motor has a rotor housing and a rotor rotatably supported in the rotor housing that defines a plurality of rotor chambers arranged circumferentially about the rotor in which each rotor chamber has a respective outlet port. Injectors are supported at circumferentially spaced locations about the housing so as to be arranged to inject hydraulic fluid in a generally tangential direction relative to the rotor axis into selected ones o...