ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,689, issued on May 12.
"Modular piezoelectric ceramic pump" was invented by Guoping Tong (Foshan City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a modular piezoelectric ceramic pump comprising a casing with an air inlet port and an air outlet port, and pump core components, wherein more than two pump core components are provided and stacked in the casing; in each pump core component, a conducting component is connected to a piezoelectric ceramic plate connected to an external power supply driving the piezoelectric ceramic plate to vibrate, thereby driving gas to flow into an air cavity and to be discharged fr...