ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,930, issued on July 28.
"Rotary machine and power system comprising the rotary machine" was invented by Hoe Jong Kim (River Edge, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary machine for a power system includes a rotary drum having a rotational center shaft, a stationary half gear including a generally circular non-geared portion and a geared portion having gear teeth, and at least one pair of revolving gears formed of two revolving gears symmetrically positioned about the center shaft and configured to simultaneously revolve around the stationary half gear. At least one rack shaft is operably coupled to the revolving gears to recipr...