Title:
CONTROLLER FOR AIR CURRENT
Document Type and Number:
Japanese Patent JPS5929939
Kind Code:
A
Abstract:
@ An air flow control apparatus is disclosed which is characterized by an essentially zero leakage rate in its closed position, and by minimal air resistance in its open position. The apparatus includes an orifice panel (58) which defines a plurality of troughs (59) of V-shaped cross section, with at least one elongate opening (62, 63) disposed in each trough. A closure (65) is associated with each trough (59), and includes a pair of pivotally mounted plates (67, 68) which are movable between a spread apart position wherein the plates (67, 68) cover and close the openings (62, 63) in the trough (59), and a collapsed position wherein the plates (67, 68) are contiguous to each other and spaced from the associated openings (62, 63) to permit free air flow therethrough. In one embodiment, the apparatus comprises a damper assembly (54) composed of the orifice panel (58) and closures (65), and which is removably mounted in a duct (20) so as to facilitate its repair and replacement.
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Inventors:
TOMASU TENPURU ARAN
SESHIRU UIRIAMU BAUAAZU
JIYOZEFU EE UTSUDO
SESHIRU UIRIAMU BAUAAZU
JIYOZEFU EE UTSUDO
Application Number:
JP12869183A
Publication Date:
February 17, 1984
Filing Date:
July 14, 1983
Export Citation:
Assignee:
FLANDERS FILTERS
International Classes:
F24F8/108; F24F13/14; F24F13/15; (IPC1-7): F24F13/10
Attorney, Agent or Firm:
Mitsuo Adachi