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:
Nov. 10, 1987
Filed:
Jan. 07, 1985
Applicant:
Inventor:
Angelo Ciccarone, Milan, IT;
Assignee:
Alfa Romeo Auto S.p.A., Napoli, IT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02P / ; G06F / ;
U.S. Cl.
CPC ...
36443108 ; 123425 ; 73 35 ;
Abstract
This invention relates to a device for correcting functional quantities of an internal combustion engine in accordance with detonation. The correction is made by comparing the amplitude of a vibratory signal indicative of detonation with a reference signal. In order to cause the correction to take place, a sensitivity factor is used multiplied by a correcting constant which depends on the value of the reference signal or on the ratio of the reference signal to the reference signal in the absence of detonation, this being an index of the basic characteristics and operating state of the engine and transducer.