US Patent Issued to Cummins on Dec. 16 for "Intake manifold with integrated fuel return passage" (Chinese, American Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,937, issued on Dec. 16, was assigned to Cummins Inc. (Columbus, Ind.).

"Intake manifold with integrated fuel return passage" was invented by Zheng Hao (Wuhan, China) and Chuan Wang (Columbus, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application relates to an intake manifold integrated drain rifle. An intake manifold to reduce external fuel drain lines is provided. The intake manifold includes an intake manifold curved portion and a distribution portion in fluid communication with the intake manifold curved portion. The intake manifold includes a flange extending radially outward from the distribution portion. The flange includes an in...