Pressure compensation unit for use in a pressure sensor
US8109148B2 · kind B2 · utility
7Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2010 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Aug 17, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7837
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pressure compensation unit for use in a pressure sensor includes a housing which has at least one continuous channel, at least one opening being provided in a wall of the channel. The opening is connectable to a reference pressure chamber of the pressure sensor via at least one air passage in the housing. The opening is closed by at least one gas-permeable and preferably fluid-tight filter diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.