Gas delivery sensor and respiratory aid appliance comprising such a sensor
US6164141A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1998 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Jul 21, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/40
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gas delivery sensor, of the type in which two upstream and downstream pressure pick-up conduits, which are each connected to a pressure sensor, open into a gas flow duct, in which a permeable element extends axially at least between opening ends of the two pressure pick-up conduits characterized in that the permeable element is produced in the form of a body which has, in cross-section, a shape complementary to that of the duct and which includes slots extending radially about its axis, so as to open radially onto an outer lateral surface of the body, and in that the slots extend axially over the entire length of the permeable body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.