The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 12, 2021
Filed:
Mar. 12, 2018
Horiba Stec, Co., Ltd., Kyoto, JP;
HORIBA STEC, Co., Ltd., Kyoto, JP;
Abstract
The present invention intends to more accurately diagnose a function of a flow rate sensor regardless of a variation in measurement ambient condition. The present invention includes: a flow rate sensor for measuring the flow rate of fluid; a correction part adapted to measure an output value of the flow rate sensor or a value related to the output value (hereinafter collectively referred to as an 'output-related value'), relates the measured output-related value and a corresponding measurement ambient condition to each other, and in accordance with the measurement ambient condition in measurement data, correct the output-related value or a reference value that is predetermined in order to determine whether the output-related value is normal; and a diagnostic part adapted to compare the output-related value and the reference value on the basis of a correction result by the correction part and correct the function of the flow rate sensor.