ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,052, issued on Sept. 23, was assigned to SOLAR WATER SOLUTIONS OY (Espoo, Finland).
"Fluid flow throttle valve" was invented by Heikki Pohjola (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid flow throttle valve that keeps the pressure of a fluid flow pumped into a system by a high-pressure pump constant and that is particularly suitable as a reject valve for maintaining the system pressure of a reverse osmosis device at a pressure level of greater than20 bar. The flow pressure is regulated by a spring-actuated cone that is partially within the outflow channel of the throttle valve at any given time. A motion restrictor is sup...