US Patent Issued on Oct. 7 for "Rotary pump or motor with improved intake, exhaust, vane and bearingless sleeve features" (Michigan Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,717, issued on Oct. 7.

"Rotary pump or motor with improved intake, exhaust, vane and bearingless sleeve features" was invented by Charles H. Tuckey (Cass City, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vane pump or motor assembly includes a housing having an inner cavity with an inner wall disposed about a first central axis. A rotor is disposed in the inner cavity and is rotatable about a second axis that is offset from the first axis to create a variable width space between the rotor and the inner wall. plurality of vanes are moveably carried by the rotor and engage the inner wall to partition the variable width space into a plurality ...