Thermal flow meter
US11965761B2 · kind B2 · utility
0Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2020 |
| Grant date | Apr 23, 2024 |
| Priority date | — |
| Expiry date | Apr 9, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K17/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is a highly reliable thermal flow meter. In a thermal flow meter 20, a flow rate detection element 321 that detects an air flow rate, and a conductive coating film 400 containing a conductive substance and a resin as constituent elements are provided on at least a part of a portion provided in an auxiliary passage 135 on a surface facing a detection surface 322 of the flow rate detection element 321.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.