Photoelectric smoke detectors
US11145176B1 · kind B1 · utility
3Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2020 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | May 27, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B17/113
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A photoelectric smoke detector includes an optics cover that provides a smoke chamber that has a smoke chamber opening, a blocking component is mounted to the optics cover. An inner cover provides a first opening and a second opening. The first opening receives a portion of the blocking component and the second opening is aligned with the smoke chamber opening. A spoiler is received against the inner cover. The spoiler includes at least one of: a U-shaped fin arrangement and a Y-shaped fin arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.