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. 05, 1999
Filed:
May. 14, 1997
Applicant:
Inventors:
Peter M Liiva, Greenwich, CT (US);
Joseph N Valentine, Newburgh, NY (US);
Teddy G Campbell, Brookfield, CT (US);
Assignee:
Texaco, Inc., , US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 3502 ;
Abstract
A method for testing an unleaded aviation gasoline (Avgas) composition involves (a) running an aviation engine such as a Textron Lycoming IO-360 engine with an Avgas at maximum knocking conditions, (b) collecting pressure trace data of continuous engine cycles with pressure transducers attached to the cylinders, (c) filtering and transforming the data, and (d) determining the number of knocking cycles and intensity within a predetermined number of continuous engine cycles.