Improvements to multi-point sampling valves
US10600300B2 · kind B2 · utility
5Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2014 |
| Grant date | Mar 24, 2020 |
| Priority date | — |
| Expiry date | Nov 17, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A rotary sampling valve for a multi-point aspirated gas or smoke detection system, the rotary sampling valve including multiple sets of inlet ports, whereby, in a first operation mode, air is drawn via all inlet points simultaneously and, in a second operation mode, air is drawn via one inlet port from each set of inlet ports simultaneously. A multi-point aspirated gas or smoke detection system including a rotary sampling valve is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.