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:
Oct. 13, 1992
Filed:
Jul. 12, 1991
Applicant:
Inventor:
Shui-Chow Yung, Encinitas, CA (US);
Assignee:
Calvert Environmental, Inc., San Diego, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B03C / ;
U.S. Cl.
CPC ...
55-4 ; 55-8 ; 55-9 ; 55 20 ; 55 85 ; 55 89 ; 55106 ; 55122 ; 55126 ; 55135 ; 55218 ; 55226 ; 55228 ; 55258 ;
Abstract
A pollution control apparatus, which monitors the amount of contaminants being removed from treated gas, and which adjusts parameters to maintain the contaminant removal amount within a preselected, desired range having maximum and minimum limits. A computing microprocessor, causes one or more parameters to be adjusted, thereby increasing or decreasing contaminant removal in order to maintain the level of removal within the preselected range.