Title:
LOCAL VENTILATOR
Document Type and Number:
Japanese Patent JP2022162264
Kind Code:
A
Abstract:
To uniformize speed distribution along a circumferential direction of swirling airflow to improve local ventilation performance.SOLUTION: A local ventilator 100 includes: an air suction port X1 which is open facing downward; and an air discharge port X2 which is provided around the air suction port X1 and discharges air while causing air to swirl to the oblique lower side. The local ventilator 100 includes: an exhaust passage L1 which communicates with the air suction port X1 and exhausts air suctioned from the air suction port X1; an air supply passage L2 which is formed around the exhaust passage L1 and communicates with the air discharge port X2 to guide air to the air discharge port X2; and a multi-hole punched distributing plate 70 which is provided at the upstream side of the air discharge port X2 in the air supply passage L2 and having multiple holes 70h or slits 70s which allow air to pass to an outer periphery part.SELECTED DRAWING: Figure 2
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Inventors:
NAKAGAWA MASARU
MORI KEITA
SANADA YOHEI
MORI KEITA
SANADA YOHEI
Application Number:
JP2021067000A
Publication Date:
October 24, 2022
Filing Date:
April 12, 2021
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD
International Classes:
F24F7/06; F24F7/003; F24F7/08; F24F7/10; F24F8/108; F24F8/80; F24F13/06; F24F13/068; F24F13/20
Attorney, Agent or Firm:
Nishimura Ryuhei
Shindai Saito
Yoshinaga Uemura
Nakamura Atsushi
Haruko Maeda
Shindai Saito
Yoshinaga Uemura
Nakamura Atsushi
Haruko Maeda