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:
Apr. 03, 2018
Filed:
Jun. 17, 2016
Applicant:
Wisconsin Alumni Research Foundation, Madison, WI (US);
Inventor:
Scott Thomas Sanders, Middleton, WI (US);
Assignee:
Wisconsin Alumni Research Foundation, Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 15/10 (2006.01); G01N 21/15 (2006.01); F02D 41/14 (2006.01); G01N 21/3504 (2014.01);
U.S. Cl.
CPC ...
G01M 15/108 (2013.01); F02D 41/1451 (2013.01); G01N 21/15 (2013.01); G01N 21/3504 (2013.01); G01N 2021/151 (2013.01); G01N 2201/06113 (2013.01);
Abstract
An optical sensor for sensing combustion products avoids fouling and damage to optical components by using a 'windowless' design in which an air curtain through an orifice provides a constantly refreshing transparent shield protecting the optical components from corrosive combustion gases and resisting the accumulation of particulates that might otherwise foul a static window.