Smoke chamber and smoke detector using the same
US10024782B2 · kind B2 · utility
1Cited by
6References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 15, 2016 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Dec 15, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/068
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A smoke detecting enclosure which is impervious to interference from outside light sources includes a smoke detecting housing and an upper cover. The smoke detecting housing has an receiving space with openings on one side, an opposite side defines two opposite installation parts carrying a light emitter and a light receiver. A peripheral surface of the smoke detecting housing is a first terraced wall and the upper cover when coupled with the opening comprises an open-ended cavity and a light barrier. The light barrier is opposite to the opening and is on an open path to the opening. A smoke detector is further disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.