US 12,130,047 B2
Safety cabinet
Takeshi Kaneko, Tokyo (JP); and Takeshi Matsumura, Tokyo (JP)
Assigned to Hitachi Industrial Equipment Systems Co., Ltd., Tokyo (JP)
Appl. No. 17/620,785
Filed by Hitachi Industrial Equipment Systems Co., Ltd., Tokyo (JP)
PCT Filed Jun. 17, 2021, PCT No. PCT/JP2021/023124
§ 371(c)(1), (2) Date Dec. 20, 2021,
PCT Pub. No. WO2022/264388, PCT Pub. Date Dec. 22, 2022.
Prior Publication US 2024/0027079 A1, Jan. 25, 2024
Int. Cl. F24F 3/163 (2021.01); B01L 1/02 (2006.01); B01L 1/04 (2006.01)
CPC F24F 3/163 (2021.01) [B01L 1/02 (2013.01); B01L 1/04 (2013.01); B01L 2300/0858 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A safety cabinet in which a device is to be mounted in a work room, the safety cabinet comprising:
the work room formed inside a front shutter;
a circulation flow path formed of a lower surface side of the work room, a side surface side of the work room, a back surface side of the work room, and an outer portion of the safety cabinet;
a blowout straightening plate that supplies a straightened blowout airstream to the work room; and
a partition plate that causes a horizontal cross-sectional area of a lower portion of the work room to be wider than a horizontal cross-sectional area of an upper portion of the work room, and
wherein the partition plate includes a side partition plate inclined to a side surface of the work room from a position at a predetermined distance down from the blowout straightening plate, and a back partition plate inclined to a back surface of the work room from the position at the predetermined distance down from the blowout straightening plate.