ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,533, issued on March 11, was assigned to ISUZU MOTORS Ltd. (Yokohama, Japan).
"Foreign matter intrusion prevention structure" was invented by Junichi Miwa (Fujisawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure prevents foreign matter such as particles composed of soot and hydrocarbons from entering an EGR passage. Thus, a foreign matter intrusion prevention structure includes: an internal-combustion engine; an intake manifold that introduces outside air into a cylinder of the internal-combustion engine; an exhaust manifold that collects exhaust gas discharged from the cylinder of the internal-combustion engine; an ex...