US Patent Issued on July 21 for "Compression of hydrogen gas with vapor control" (Tennessee Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,158, issued on July 21.

"Compression of hydrogen gas with vapor control" was invented by Zhili Feng (Knoxville, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for compressing gaseous hydrogen or other gases utilize a liquid compressor to achieve high pressure while controlling vapor content. Gaseous hydrogen from a source at an inlet pressure is compressed in a liquid compression chamber using a liquid, preferably water or a water-based liquid, to a predetermined pressure at which vapor in the compressed gas is below the required concentration level for applications. The compressed gas flows into a high-pressure gas cham...