Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kenichiro Kawamura0
Masaaki Fujisaki0
Date of Patent
February 16, 2021
0Patent Application Number
157953410
Date Filed
October 27, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A pump is provided with a pump housing, a vibrating portion, a driving portion, and a displacement regulating portion. The pump housing internally has a pump chamber. The vibrating portion is supported against the pump housing in the pump chamber and divides the pump chamber into a first pump chamber and a second pump chamber. The driving portion drives the vibrating portion so as to bend and vibrate the vibrating portion in a predetermined direction. The displacement regulating portion is positioned to prevent displacement of the vibrating portion that results in plastic deformation.
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