Photoacoustic detection system with clocked tuning fork positions

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United States of America Patent

PATENT NO 11754533
APP PUB NO 20210231619A1
SERIAL NO

17053864

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A photoacoustic detection system (20) includes a detector (22) that has a chamber (24), a pulsed light source (26), piezoelectric tuning forks (28), and a photosensor (30). The chamber has an inlet and an outlet for flow of an analyte. The pulsed light source is adjacent the chamber and is operable to emit a light beam along a path through the chamber. The tuning forks are arranged along the path, and each of the tuning forks is operable to emit first sensor signals. The photosensor is arranged along the path and is operable to emit second sensor signals. A controller (38) is connected to receive the first and second sensor signals. The controller is configured to determine whether a target species is present in the analyte based on the first sensor signals and determine whether the target species is present in the analyte based on the second sensor signals.

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Patent Owner(s)

Patent OwnerAddress
CARRIER CORPORATIONPALM BEACH GARDENS FL 33418

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Birnkrant, Michael J Wethersfield, US 95 197
Blanc, Arthur Providence, US 12 91
Castillo-Garza, Jose-Rodrigo East Hartford, US 12 3
Harris, Peter R West Hartford, US 55 139
Lincoln, David L Cromwell, US 53 63
Piech, Marcin East Hampton, US 57 109

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