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:
Mar. 16, 1982
Filed:
Dec. 03, 1979
Applicant:
Inventor:
Edward Yelke, La Grange, IL (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
7311 / ;
Abstract
A system for sensing and monitoring the injection of fuel into a fuel injection type engine including a piezoelectric transducer which is affixed to a clip-on mounting for selectively attaching to the return line side of the injection nozzle to sense a vibration or shock wave and thereby generate a useful electrical signal.