Ventilation – Having inlet airway – Including specific air distributor
Patent
1997-08-08
1999-03-02
Joyce, Harold
Ventilation
Having inlet airway
Including specific air distributor
454187, 454284, 454286, F24F 1306
Patent
active
058762817
ABSTRACT:
A pulse air jet generator being used for an air shower apparatus. An air flow restricting member, which is so configured as to cross an air flow blown off from an air blowoff nozzle intermittently at part of the rotational locus thereof and to rotate by the air flow, is provided on the air blowoff side of the air blowoff nozzle, and the weight of a rotating portion including the air flow restricting member is unbalanced so that the air flow restricting member is reset to a position corresponding to that of the air blowoff nozzle by the dead weight when the air blowoff is stopped. The air blowoff nozzle is disposed in an annular frame fixed on an air blowoff portion at a position shifted to the outer peripheral side from the center of the annular frame, the rotational center of the air flow restricting member is positioned at the center of the annular frame.
REFERENCES:
patent: 2203590 (1940-06-01), Bock
patent: 5161317 (1992-11-01), McDougall
Hirasawa Kosuke
Isobe Yoshihide
Itakura Kazuki
Shoji Taizo
Yoneyama Ken-ichi
Air Tech Japan, Ltd.
Airtech International Manufacturing, Inc.
Joyce Harold
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