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:
Aug. 18, 1992
Filed:
Aug. 20, 1991
Applicant:
Inventor:
Wolfgang Pfister, Esslingen, DE;
Assignee:
Eberspacher, Esslingen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60311 ; 60303 ; 60295 ; 55466 ; 55484 ;
Abstract
A particle filter that can be burned free for cleaning the exhaust gas of internal combustion engines. Filter cartridges (11) are provided arranged in a housing (1) with an external heat supply (10). The filter cartridges are lined with filter material (13) differently, corresponding to the flow profile of the exhaust gas in the housing.