Title:
A clean air device and a dust inspecting method
Document Type and Number:
Japanese Patent JP6266127
Kind Code:
B2
Abstract:
With respect to a clean air device, in order to provide a device structure and an air cleaning unit inspecting method capable of supplying clean air through a filter and also capable of measuring the amount of dust in a workroom space in which blown air forms a laminar flow such that an increase in the amount of dust can be accurately detected, the clean air device comprises an air cleaning unit, a rectifying unit arranged downstream of the air cleaning unit configured to rectify air blown from the air cleaning unit and form a laminar flow, and a workroom arranged downstream of the rectifying unit, wherein at least one suction port is provided on a wall surface in a space formed between the air cleaning unit and the rectifying unit, configured to draw out the air in the space to an exterior.
Inventors:
Keiichi Ono
Hirotoshi Sato
Hirotoshi Sato
Application Number:
JP2016559699A
Publication Date:
January 24, 2018
Filing Date:
November 17, 2014
Export Citation:
Assignee:
Hitachi Industrial Equipment Systems Co., Ltd.
International Classes:
B01L1/00; F24F7/06; F24F13/08
Domestic Patent References:
| JP53048199U | ||||
| JP1107851A | ||||
| JP6121935A | ||||
| JP3275150A | ||||
| JP9250802A | ||||
| JP7243696A | ||||
| JP2005218925A | ||||
| JP2011202945A | ||||
| JP2001108606A | ||||
| JP2005279575A |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office
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