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Title:
SIMULTANEOUS CIRCULATION AND EXHAUST TYPE VENTILATOR
Document Type and Number:
Japanese Patent JP3540644
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a ventilator which ensures not only sufficient displacement for exhausting steam in a bathroom or the like, but also a sufficient circulating flow for drying a ceiling or a wall surface.
SOLUTION: A simultaneous circulation and exhaust type ventilator comprises an air intake 92 at the lower center of a main body frame 2 having a fan unit, and diffusers 142 for circulation flow at the periphery. The fan unit comprises an exhaust fan easing 7 which is located at a lower side, a circulation fan easing 6 which is located at the upper side of the exhaust fan easing 7 so as to cover the same, and a fan rotor 8 arranged in both of the fan casings. The charging side of the fan rotor 8 is communicated with the intake 92 or an entrance channel, the discharging side of the exhaust fan easing 7 is communicated with an exhaust channel which is led outdoor, and the discharging side of the circulation fan easing 6 is communicated with the diffusers.


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Inventors:
Seiichi Kawauchi
New wife Takashi
Application Number:
JP37308598A
Publication Date:
July 07, 2004
Filing Date:
December 28, 1998
Export Citation:
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Assignee:
Hitachi Taga Technology Co., Ltd.
International Classes:
F04D17/10; F04D25/16; F04D29/42; F04D29/44; F24F7/013; F24F7/06; F24F7/10; (IPC1-7): F24F7/06; F04D17/10; F04D25/16; F04D29/42; F04D29/44; F24F7/013; F24F7/10
Domestic Patent References:
JP9112988A
JP5157306A
JP10054593A
JP9042735A
JP9280621A
JP9089342A
JP7145973A
JP61200543U
Attorney, Agent or Firm:
Katsuo Ogawa



 
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