Title:
AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/173578
Kind Code:
A1
Abstract:
This air conditioning device has an air conditioning case (10), a blower fan (11), and a facing wall (14). The air conditioning case constitutes an air passage through which air to be delivered to a room interior flows. The blower fan is disposed within the air conditioning case. The facing wall is provided upstream of the blower fan in the direction of air flow and is disposed facing the intake opening of the blower fan. The air conditioning case has a facing surface (12a) facing the facing wall and having a through-hole (12b) formed therein. The air conditioning case has formed therein a closed space (12c) formed on the opposite side of the facing surface from the air passage and in communication with the air passage through the through-hole. The through-hole and the closed surface form a resonator having a predetermined resonance frequency.
Inventors:
KOSAKA SHO (JP)
KATO SHINYA (JP)
KATO SHINYA (JP)
Application Number:
PCT/JP2018/005624
Publication Date:
September 27, 2018
Filing Date:
February 19, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F04D29/44; B60H1/00; F04D29/66; F24F1/00
Domestic Patent References:
| WO2014006650A1 | 2014-01-09 |
Foreign References:
| JP2009197623A | 2009-09-03 | |||
| JP2009250097A | 2009-10-29 | |||
| JPH03229998A | 1991-10-11 |
Attorney, Agent or Firm:
JIN Shunji (JP)
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