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. 23, 2006
Filed:
Jun. 12, 2002
Michael Ralph Foster, Columbiaville, MI (US);
Robert D. Wendling, Chesaning, MI (US);
Jarrod C. Sherwood, Vassar, MI (US);
Egas Jose Desousa, Grand Blanc, MI (US);
Michael Ralph Foster, Columbiaville, MI (US);
Robert D. Wendling, Chesaning, MI (US);
Jarrod C. Sherwood, Vassar, MI (US);
Egas Jose Desousa, Grand Blanc, MI (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
Disclosed herein is a method for reducing internal combustion engine contaminate and additive particulate matter from a particulate filter the method including accessing the filter and entraining particulate matter in a fluid stream. Further disclosed herein is an internal combustion engine particulate filter system including a canister, a filter media mounted in said canister and an access opening in said canister. Yet still further disclosed herein is a method for determining condition of a particulate filter in situ including establishing a vacuum value for a clean particulate filter in situ, establishing a vacuum value for a used particulate filter in situ; and comparing the established value for the clean filter versus the used filter.