Title:
SENSOR AND FIRE ALARM SYSTEM
Document Type and Number:
Japanese Patent JP2023175025
Kind Code:
A
Abstract:
To improve smoke inflow property with respect to a smoke detection chamber.SOLUTION: A sensor 1 includes a smoke detection chamber 4 and at least one of airflow control walls 8. The smoke detection chamber 4 includes inflow openings 40 from which smoke flows in. The airflow control walls 8 are arranged in the periphery of the smoke detection chamber 4. The airflow control wall 8 controls an airflow so as to reduce variations of smoke inflow property with respect to the smoke detection chamber 4 in a circumferential direction A3 of the smoke detection chamber 4.SELECTED DRAWING: Figure 5
Inventors:
MURO NAOKI
TAKASHITA SHOYA
UMEMURA TAKUYA
TAKASHITA SHOYA
UMEMURA TAKUYA
Application Number:
JP2023183164A
Publication Date:
December 08, 2023
Filing Date:
October 25, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
G08B17/107; G08B17/00; G08B17/103
Attorney, Agent or Firm:
Hokuto Patent Attorneys Office
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