Title:
HEPAフィルタとダクトを具えるブロア付クリーンルーム
Document Type and Number:
Japanese Patent JP2005527774
Kind Code:
A
Abstract:
A system which easily changes a positive pressure space to a negative pressure space or vice versa. The system includes at least one space divider which forms first and second closed spaces. A blower, and blower duct combination in the first space is connected with one end of an airflow duct in the second space to force air into the second space to create a positive pressure in the second space. For creating a negative pressure in the second space, the blower, blower duct is placed in the second space and an outlet end of the blower duct is connected to another end of the flow duct in the second space to force air from the second space to produce a negative pressure in the second space. The flow duct is provided with apertures in a bottom surface through which air is forced into the second space when a positive pressure space is created. A rolled up flexible sheet is secured at one end of the flow duct to cover apertures in the bottom surface of the flow duct when the blower, and blower duct is connected to the flow duct to create a negative pressure in the second space.
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Inventors:
Spengler, Charles, W
Application Number:
JP2004507741A
Publication Date:
September 15, 2005
Filing Date:
May 23, 2003
Export Citation:
Assignee:
Spengler Charles W
International Classes:
F24F7/06; B01L1/04; F24F3/16; (IPC1-7): F24F7/06
Attorney, Agent or Firm:
Mieko Kashihara