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:
Jul. 19, 1983
Filed:
Dec. 09, 1980
Applicant:
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ; H01T / ;
U.S. Cl.
CPC ...
73 35 ; 313129 ;
Abstract
The sensor arrangement to determine oscillations arising upon knocking of a combustion engine uses at least one optical receiver, known per se, in the combustion chamber, preferably a glass rod 12 or a light guide cable of glass fibers 20. The optical receivers are either integrated in the spark plug, or connected to a pre-chamber, or inserted in the cylinder head seal.