ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,364, issued on Jan. 20, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Pump" was invented by Masaaki Fujisaki (Kyoto, Japan) and Nobuhira Tanaka (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump includes a vibrating plate, a flow path forming member, a pump chamber, and a film valve. The vibrating plate is provided with a piezoelectric element, vibrates due to distortion of the piezoelectric element, and has a gap on an outer periphery. The flow path forming member is disposed so as to face the vibrating plate, and has a hole in a portion facing the vibrating plate. The pump chamber is surrounded by the vibrating pl...