Title:
SMOKE EXHAUST DEVICE
Document Type and Number:
Japanese Patent JP2020182641
Kind Code:
A
Abstract:
To rectify air-flow on a downstream side of a smoke exhaust port and to improve smoke exhaust efficiency.SOLUTION: A smoke exhaust device 100 includes: a cylinder part 150 which is connected to a duct 110 provided with a smoke exhaust fan 104 that sucks smoke from a smoke exhaust port 102 opening on a ceiling 12; an opening/closing lid 120 opening/closing the smoke exhaust port 102; and a rectification part 160 which is provided inside the cylinder part 150 and rectifies the air-flow inside the cylinder part 150 diagonally upward.SELECTED DRAWING: Figure 1
Inventors:
SHINTANI YUSUKE
NAGAOKA TSUTOMU
NAGAOKA TSUTOMU
Application Number:
JP2019087636A
Publication Date:
November 12, 2020
Filing Date:
May 07, 2019
Export Citation:
Assignee:
TAKENAKA KOMUTEN CO
International Classes:
A62B13/00; A62C2/00; F24F7/06; F24F13/08
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda