The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2020
Filed:
May. 31, 2018
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Dong Gu Kim, Gyeonggi-do, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA MOTORS CORPORATION, Seoul, KR;
Abstract
Disclosed is a particulate matter sensor having a structure which may achieve a reduction in distance between two electrodes and an increase in area of measurement electrodes so as to facilitate enhancement in measurement accuracy, reliability, and sensitivity, and reduce influence on sensitivity according to sensor mounting directions. The particulate matter sensor may include a housing provided with an inlet and an outlet, and a sensing unit installed within the housing so as to pass exhaust gas, the sensing unit may include a laminate including an electrically insulating substrate, a first electrode provided on one surface of the electrically insulating substrate, a second electrode provided on the other surface of the electrically insulating substrate, and a porous layer stacked on one of the first electrode and the second electrode and having a structure to pass the exhaust gas, and the laminate is spirally wound on a base unit.