The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2023
Filed:
Mar. 01, 2021
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Takafumi Moriasa, Nagaokakyo, JP;
Shuichi Kawata, Nagaokakyo, JP;
Masahiko Shigaki, Nagaokakyo, JP;
Yuichi Kusano, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
A pump includes a pump flow path and electrodes and dielectric members in the pump flow path to allow a fluid to pass through the electrodes and the dielectric members in a flowing direction. The electrodes and the dielectric members are alternately stacked in the flowing direction so that a dielectric member is located between adjacent electrodes. Among the electrodes, an inter-electrode polarity of each pair of electrodes is different from that of an adjacent pair of electrodes. The dielectric members include a first dielectric member at a position of an odd-numbered dielectric member counted from the most upstream side of the flowing direction and a second dielectric member at a position of an even-numbered dielectric member counted from the most upstream side of the flowing direction. Material of the first and second dielectric members provide signs of a zeta potential opposite to each other.