Invention Grant
- Patent Title: Measurement control device and flow measurement device
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Application No.: US17075909Application Date: 2020-10-21
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Publication No.: US11365996B2Publication Date: 2022-06-21
- Inventor: Noboru Kitahara
- Applicant: DENSO CORPORATION
- Applicant Address: JP Kariya
- Assignee: DENSO CORPORATION
- Current Assignee: DENSO CORPORATION
- Current Assignee Address: JP Kariya
- Agency: Nixon & Vanderhye P.C.
- Priority: JPJP2018-086350 20180427
- Main IPC: G01F1/696
- IPC: G01F1/696 ; G01F1/72

Abstract:
In a measurement control device that measures an airflow, an amplitude calculator calculates, by use of an output value of a sensor, a pulsation amplitude that is a difference between a pulsation maximum and an average airflow or a difference between the pulsation maximum and a pulsation minimum. The pulsation maximum is a maximum value of pulsation generated in the airflow, the average airflow is an average value of the pulsation, and the pulsation minimum is a minimum value of the pulsation. A correction parameter acquirer acquires a correction parameter corresponding to the calculated pulsation amplitude by use of a correction characteristic. An airflow corrector corrects the airflow by use of the acquired correction parameter.
Public/Granted literature
- US20210033441A1 MEASUREMENT CONTROL DEVICE AND FLOW MEASUREMENT DEVICE Public/Granted day:2021-02-04
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