Miniature piezoelectric air pump to generate pulsation-free air flow for pipette apparatus proximity sensing
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United States of America
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Apr 1, 2025
Grant Date -
Apr 22, 2021
app pub date -
Jul 1, 2019
filing date -
Jul 1, 2019
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Abstract
A sample probe system has a sample probe assembly, an air supply assembly, and a control system. The sample probe assembly has a transducer and a sample probe. The air supply assembly has a piezoelectric pump configured to supply an air flow to the sample probe assembly such that the air flow exits the sample probe. The control system determines a relative location of the sample probe based on pressure changes in the air flow detected by the transducer.
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