Title:
DUST MEASUREMENT DEVICE FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/084911
Kind Code:
A1
Abstract:
This dust measurement device for a vehicle comprises: an aspirator hose (10) having one end in communication with a vehicle interior; an aspirator part (100) having an inside air introduction part (20) forming an inside air passage that is in communication with the other end of the aspirator hose and a suction part (40) that is provided downstream from the inside air introduction part and is for sucking out the air in the inside air passage through the flowing of air blown from an air conditioning apparatus for the vehicle; and a dust measurement sensor part (30) for measuring the dust concentration of air that has flowed therein. The inside air introduction part comprises a wall part (23) having an inner surface (23a) forming a portion of the inside air passage and an outer surface (23b) upon which the dust measurement sensor part is provided. On the wall part, an intake opening (231) that causes the inner surface and outer surface to be in communication with each other and through which passes air to be introduced into the inside of the dust measurement sensor part from the inside air passage is provided at a position upwardly removed from a lower part (25b) of the inside air passage.
Inventors:
OKUNO KIICHI (JP)
Application Number:
PCT/JP2019/034617
Publication Date:
April 30, 2020
Filing Date:
September 03, 2019
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G01N1/02; B60H1/00; G01N1/22; G01N15/06
Domestic Patent References:
| WO2018046845A1 | 2018-03-15 |
Foreign References:
| JP2018008583A | 2018-01-18 | |||
| JP2001097031A | 2001-04-10 | |||
| JP2008189247A | 2008-08-21 | |||
| JP2007290448A | 2007-11-08 | |||
| JP2010145123A | 2010-07-01 | |||
| KR20120063238A | 2012-06-15 | |||
| CN108973584A | 2018-12-11 |
Attorney, Agent or Firm:
JIN Shunji (JP)
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