Title:
【発明の名称】通風室抽出装置
Document Type and Number:
Japanese Patent JPH08506884
Kind Code:
A
Abstract:
A fume cupboard (1) the exhaust system of which includes a two-stage vortex amplifier (5, 6) the control ports (9) of which are closed successively as the fume cupboard door (2) is raised thereby to alter the flow characteristics of the exhaust system in such a manner as to make the velocity of air entering the fume cupboard (1) substantially independent of the position of the door (2) of the fume cupboard (1).
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Inventors:
McWegan John Andrew Kennedy
Application Number:
JP51300493A
Publication Date:
July 23, 1996
Filing Date:
January 12, 1993
Export Citation:
Assignee:
United Kingdom Atomic Energy Authority
International Classes:
F24F7/06; B01L1/00; B08B15/02; (IPC1-7): F24F7/06; B01L1/00
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)