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:
Nov. 03, 2009
Filed:
Apr. 24, 2008
Applicants:
Gregory E. Stewart, North Vancouver, CA;
David Germann, North Vancouver, CA;
Inventors:
Gregory E. Stewart, North Vancouver, CA;
David Germann, North Vancouver, CA;
Assignee:
Honeywell International Inc, Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/34 (2006.01); G06F 19/00 (2006.01); C01B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A selective catalytic reduction system includes a catalyst, a device to measure an amount of nitrogen oxide (NO), a device to measure an amount of nitrogen dioxide (NO), a device to add an ammonia source, and a control unit to calculate the amount of ammonia source to add as a function of a ratio of an amount of nitrogen oxide and an amount of nitrogen dioxide or an absolute amount of nitrogen oxide and an absolute amount of nitrogen dioxide.