Title:
AIR CONDITIONER FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2018/056711
Kind Code:
A1
Abstract:
The present invention relates to an air conditioner for a vehicle. An objective of the present invention is to improve installation structures of a speaker and a microphone of an ANC device for reducing air conditioning noise, thereby improving attenuation efficiency of the air conditioning noise transmitted from an air conditioner case to the inside of a vehicle so as to improve ride comfort inside the vehicle. To this end, the present invention provides an air conditioner for a vehicle comprising: an air conditioning case; and a blower for drawing in internal and external air to blow the air into an internal air flow path in the air conditioning case, in which the air conditioner for a vehicle further comprises: at least one microphone installed on the internal air flow path on a downstream side of the blower to detect noise; and a speaker for outputting a reverse phase frequency opposite to a frequency phase of the noise detected by the microphone, wherein the speaker is installed at a front end portion of each air discharge vent of the internal air flow path in the air conditioning case to output noise attenuation sound waves of the air that is discharged from each air discharge vent into the inside of a vehicle.
Inventors:
KIM JUNG SEON (KR)
OH SANG HO (KR)
KIM TAE WAN (KR)
PARK YOUNG DUK (KR)
SEO JEONG HUN (KR)
LEE JEONG EUN (KR)
JUNG JOONG HEUM (KR)
HONG SUN JOO (KR)
JUNG JAE HWAN (KR)
KANG BOK SUN (KR)
OH SANG HO (KR)
KIM TAE WAN (KR)
PARK YOUNG DUK (KR)
SEO JEONG HUN (KR)
LEE JEONG EUN (KR)
JUNG JOONG HEUM (KR)
HONG SUN JOO (KR)
JUNG JAE HWAN (KR)
KANG BOK SUN (KR)
Application Number:
PCT/KR2017/010369
Publication Date:
March 29, 2018
Filing Date:
September 21, 2017
Export Citation:
Assignee:
HANON SYSTEMS (KR)
International Classes:
B60H1/00; G10K11/175; G10K11/178
Foreign References:
| KR100296569B1 | 2001-09-22 | |||
| US20160263965A1 | 2016-09-15 | |||
| US8855329B2 | 2014-10-07 | |||
| KR0111191Y1 | 1998-04-06 | |||
| KR20110115522A | 2011-10-21 |
Attorney, Agent or Firm:
CHOI, Young-Min (KR)
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