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:
Dec. 31, 1996
Filed:
May. 02, 1995
Applicant:
Inventors:
Hiroshi Mori, Ichinomiya, JP;
Masakazu Tanaka, Okazaki, JP;
Mamoru Mabuchi, Kariya, JP;
Makoto Saito, Nishio, JP;
Assignee:
Nippondenso Co., Ltd., Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; F01N / ;
U.S. Cl.
CPC ...
422171 ; 422169 ; 422168 ; 60297 ;
Abstract
An exhaust gas purification apparatus has a catalyst unit provided in an exhaust pipe of an engine and an absorbent provided downstream of the catalyst unit. When the engine is in a cool state, HC emitted from the engine is absorbed by the absorbent. After the engine is warmed up, the absorbed HC is desorbed by heat of an exhaust gas and returned to an upstream side of the catalyst unit the HC by heat of an exhaust gas.
Mori, Hiroshi. (1996). Exhaust gas purification apparatus for internal combustion engine (U.S. Patent No. 5589143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5589143
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile