US Patent Issued to Knapp e-mobility on May 26 for "Method for producing a housing, and shell housing and housing for a rotary piston engine" (German Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,946, issued on May 26, was assigned to Knapp e-mobility GmbH (Stuttgart, Germany).

"Method for producing a housing, and shell housing and housing for a rotary piston engine" was invented by Ulrich Knapp (Remseck, Germany), James Hartman (Oberriexingen, Germany) and Peter Riegraf (Fellbach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a housing for a rotary piston engine, a shell housing, and a housing for a rotary piston engine, are disclosed. A bushing of hard metal is pressed into a shell housing main body with a trochoidal raceway in such a manner that an external circumferential contour of the bushing bears in a s...