Gas flow measuring apparatus
US4304129A · kind A · utility
21Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1979 |
| Grant date | Dec 8, 1981 |
| Priority date | — |
| Expiry date | Nov 8, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/698
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A flow measuring pipe includes therein an electric heater and a temperature dependent resistor positioned downstream of the electric heater. The lines of the electric heater are arranged in a direction to cross the lines of the temperature dependent resistor. If necessary, a flame arrester is further disposed downstream of the temperature dependent resistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.