Fire detection apparatus
US12235206B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2023 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Mar 11, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B17/107
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A fire detection apparatus 1F for detecting a fire in a monitored area, the fire detection apparatus 1F being attached to an installation surface of an installation object, the fire detection apparatus 1F comprises a detection space 60F in which detection of a detection target is performed; an incidence suppressing unit that inhibits ambient light from entering the detection space 60F, the incidence suppressing unit being able to allow a gas containing the detection target to flow into and out of the incidence suppressing unit; an accommodating unit that accommodates the incidence suppressing unit, the accommodating unit being able to allow the gas to flow into and out of the accommodating unit; and a light shielding wall 140F provided to surround the incidence suppressing unit on an inside of the accommodating unit, wherein the incidence suppressing unit includes a first incidence suppressing unit that covers a part of the detection space 60F, and a second incidence suppressing unit provided on an installation surface side of the first incidence suppressing unit, the second incidence suppressing unit covering another part of the detection space 60F, and the light shielding wall 14…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.