Ecoair valve with pneumatic solenoid to provide auto zero function for air velocity pressure sensor
US12247892B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2023 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | Apr 17, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/42
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An airflow sensor assembly for an air duct is provided. The airflow sensor assembly includes the air duct having an interior wall and an exterior wall, a high pressure pickup device, a low pressure pickup device, a pressure redirection device, and a pressure sensor. The pressure redirection device is fluidly coupled to the high pressure pickup device and the low pressure pickup device and includes a low inlet, a high inlet, and a common outlet. The pressure sensor is selectively fluidly coupled to the high pressure pickup device and the low pressure pickup device and includes a first inlet and a second inlet. The second inlet is fluidly coupled to the common outlet of the pressure redirection device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.