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. 18, 2010
Filed:
Mar. 14, 2008
Joseph Robert Theis, Rockwood, MI (US);
Robert Walter Mccabe, Novi, MI (US);
Justin Anthony Ura, Livonia, MI (US);
Joseph Robert Theis, Rockwood, MI (US);
Robert Walter McCabe, Novi, MI (US);
Justin Anthony Ura, Livonia, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
The invention, in at least one embodiment, relates to a reverse platinum group metal zoned lean NOtrap system included in a vehicle and its method of use. One embodiment of the trap system is in a vehicle exhaust system operable during lean and rich periods. The trap system may include a first trap having a first substrate supporting a quantity of platinum and a second trap, positioned downstream of the first trap, and having a second substrate supporting a quantity of platinum and a quantity of rhodium. The total loading of platinum plus rhodium on the second trap is greater than or equal to the platinum on the first trap. In at least one embodiment, the second trap has a higher overall NOconversion at a low temperature and the first trap has a higher overall NOconversion at a high temperature.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile