Title:
VENTILATOR
Document Type and Number:
WIPO Patent Application WO/2022/153424
Kind Code:
A1
Abstract:
This ventilator exhausts or supplies air through a ventilation opening formed in each of a plurality of spaces to be ventilated, and comprises: a housing that has a first opening communicating with an outer space to be ventilated and a second opening communicating with the ventilation opening, and has an interior in which an internal air path connecting the first opening and the second opening is formed; a plurality of external air paths connecting each of the ventilation openings to the second opening; a plurality of dampers that allow or block the air flow in each of the external air paths by opening or closing; a blower that generates an air flow from the internal air path to the external air paths, or an air flow from the external air paths to the internal air path; and a control device that controls the blower and the dampers. The control device has a normal exhaust mode for exhausting air from all spaces to be ventilated and a forced exhaust mode for exhausting air from a space to be ventilated. During the forced exhaust mode, the damper of the external air path connected to the ventilation opening of the space to be ventilated is opened to exhaust air from the ventilation opening, and the other dampers are closed.
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Inventors:
OCHIAI YASUTAKA (JP)
SAITO MAKOTO (JP)
SAITO MAKOTO (JP)
Application Number:
PCT/JP2021/000946
Publication Date:
July 21, 2022
Filing Date:
January 14, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F7/06; F24F7/08
Foreign References:
| JPS4738697B1 | 1972-09-29 | |||
| JPH0875225A | 1996-03-19 | |||
| JP2001355885A | 2001-12-26 | |||
| JP2001304661A | 2001-10-31 | |||
| JPS50134955U | 1975-11-06 | |||
| JPH07158899A | 1995-06-20 | |||
| KR101880631B1 | 2018-07-20 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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