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. 22, 1986
Filed:
Aug. 15, 1984
Applicant:
Inventor:
Arthur R Frelund, Okemos, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73115 ;
Abstract
An engine mounted combustion chamber pressure sensor is arranged with a body mounted in an external wall, such as of the cylinder head, and a probe engaging a combustion chamber defining wall to provide direct indication of combustion pressure caused movements of the chamber defining wall with respect to the external wall, thus providing direct combustion pressure signals usable for indicating or control purposes.