Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Shuler0
Aaron Sin0
Date of Patent
July 26, 2005
0Patent Application Number
103256240
Date Filed
December 19, 2002
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A micropump has two chambers separated by an actuator for causing fluid to flow in the chambers. Each chamber is equipped with a ball that acts as a valve for allowing flow in a desired direction. The balls are heavier than the fluid being pumped, and reside at an interface between the chambers and passages feeding fluid into the chambers and provide a tight seal between the chambers and passages feeding the chambers when fluid pressure forces the fluid back toward the feeding passages.
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