DEVICE FOR CALIBRATING THE SENSORS OF AN NO DELIVERY APPARATUS
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United States of America Patent
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Issued Date -
Sep 26, 2024
app pub date -
Mar 20, 2024
filing date -
Mar 21, 2023
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Abstract
The invention relates to a calibration device (2) for calibrating the measuring means (120-122) of an NO delivery apparatus (1), comprising a gas intake line (22) comprising, arranged in series, a valve, preferably manual (23) and actuatable by a user, for controlling the circulation of gas in the gas intake line (22); a precision regulator (24) configured to deliver a predefined fixed pressure in the gas intake line (22); a calibrated orifice device (25), and a venturi device (26). The measuring means of the NO delivery apparatus comprise an NO sensor, an NO2 sensor and an O2 sensor.
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