Freeze proof protection of pressure sensors
US9534975B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2014 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Jan 23, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L19/146
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pressure sensor assembly for measuring the pressure of a first fluid. The assembly having a first housing including a pressure sensing device arranged therein. A diaphragm is arranged on a surface of the first housing and is configured to transmit a force exerted on a first side thereof to the pressure sensing device. A second housing is provided and attached to the first housing. The second housing may be arranged generally circumferentially around the diaphragm. A compressible element is provided and arranged within a compressible element space defined within the second housing. The compressible element is configured to transmit a force exerted thereon by the fluid to the first side of the diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.