Title:
ブローアウト装置
Document Type and Number:
Japanese Patent JP6939435
Kind Code:
B2
Abstract:
To provide a blowout device that can be reused after open-circuit operation without requiring manual work or electric power.SOLUTION: The blowout device comprises: a rotatable panel unit 3 in which two blowout panels 31, 32 are provided in shape of the letter V and which is rotatable around a revolving shaft 30; a weight 4 for applying moment in a direction in which the panel unit 3 rotates; and a stopper 5 for temporarily stopping the rotation of the panel unit 3 while an opening 100a is shut by the blowout panels 31, 32. When the internal pressure of the building rises to a prescribed value or above, the temporary stopping by the stopper 5 is released and the panel unit 3 is rotated by the moment of the weight 4, and the first blowout panel 31 having shut the opening 100a opens, causing the opening 100a to be released open. Thereafter, the second blowout panel 32 shuts the opening 100a, and the rotation of the panel unit 3 is temporarily stopped by the stopper 5.SELECTED DRAWING: Figure 1
Inventors:
Haruhiro Hata
Application Number:
JP2017214304A
Publication Date:
September 22, 2021
Filing Date:
November 07, 2017
Export Citation:
Assignee:
Chugoku Electric Power Co., Inc.
International Classes:
G21C9/00; E04H9/14; E06B7/04; G21C13/00
Domestic Patent References:
| JP52067486A | ||||
| JP59163995U | ||||
| JP1178896A | ||||
| JP2009529129A |
Foreign References:
| US20090067565 |
Attorney, Agent or Firm:
Harushima Shigetokiro