Fire detection apparatus
US12274903B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2024 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Jan 2, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B29/183
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A fire detection apparatus 1A includes a heat detection unit 110A provided such that a part of the heat detection unit 110A is accommodated in an outer cover 20A and another part of the heat detection unit 110A is exposed to an outside of the fire detection apparatus 1A through an insertion hole 120A formed in a top surface portion 22A, and a guard portion 130A which is provided to cover a periphery of the insertion hole 120A and another part of the heat detection unit 110A in the top surface portion 22A and has a plurality of ribs, in which a material of a rib corresponding to a first guard side rib 131A among the plurality of ribs is made different from a material of some other ribs, or a shape of the first guard side rib 131A among the plurality of ribs is made different from a shape of some other ribs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.