US Patent Issued to WM International Engineering on Nov. 3 for "High pressure fuel pump with configuration to mitigate cavitation" (Illinois Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,697, issued on Nov. 3, was assigned to WM International Engineering LLC (Darien, Ill.).

"High pressure fuel pump with configuration to mitigate cavitation" was invented by William de Ojeda (Darien, Ill.) and Haibao Wu (Oakbrook Terrace, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A passage is placed in a high-pressure pump used with liquified gases such as Dimethyl Ether and propane to divert part of the inlet flow to allow for a constant cooling around the piston pumping unit. The passage is placed ahead of the pump inlet metering valve to avoid fluid from stagnating and socking the heat from the pump. The cooling passage is directed to the ...