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:
Jun. 11, 1996
Filed:
Aug. 08, 1995
Applicant:
Inventor:
Rinaldo R Tedeschi, Newington, CT (US);
Assignee:
Environmental Systems Products, Inc., East Granby, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 2331 ; 194202 ;
Abstract
A method and apparatus for improving the integrity of a vehicle test procedure insures that the vehicle to which a varying test parameter is applied is the same as the vehicle whose response is required. A random variation to the test parameter is introduced, and the response of a chosen vehicle characteristic to the variation is monitored and correlated with the variations. A high correlation confirms that the vehicle whose response is being monitored is in fact the vehicle to which the parameter is applied. The method may advantageously be used in connection with EPA-sanctioned exhaust emission test protocols.