Method of calibrating a high resolution flowmeter and measuring volume flow
US5586045A · kind A · utility
14Cited by
13References
3Claims
0Family size
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Key dates
| Filing date | Nov 14, 1995 |
| Grant date | Dec 17, 1996 |
| Priority date | — |
| Expiry date | Nov 14, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2186
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of calibrating and measuring volume flow through a gear-type flowmeter, having a magnetic sensor affixed to the flowmeter to detect incremental movement of the flowmeter teeth. The sensor is connected to an analog-to-digital converter and computer processor, which receives and stores samples of the sensor signals. The samples are compared with subsequently received samples to derive relative gear positions and to calculate volume flow based on the relative gear positions. The samples may also be analyzed and compared with previous samples to detect flowmeter wear and wobble conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.