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:
May. 03, 1994
Filed:
Jun. 18, 1992
Applicant:
Inventor:
Michel Castagne, Palaiseau, FR;
Assignee:
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60284 ; 60300 ; 422176 ;
Abstract
Device intended to improve the working of a catalyst (3) placed in the exhaust manifold of an internal-combustion engine, said exhaust manifold consisting of a tube (2) opening on one side into the collector (1) collecting the combustion gases coming from the cylinder(s) and covering with the other end thereof said catalyst (3). According to the invention, the device comprises: