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:
Jun. 07, 1988
Filed:
Jun. 27, 1985
Applicant:
Inventors:
Toshimi Abo, Yokohama, JP;
Hiroyuki Naito, Fujisawa, JP;
Hatsuo Nagaishi, Yokosuka, JP;
Kunifumi Sawamoto, Yokosuka, JP;
Tatsuo Morita, Yokohama, JP;
Yoshihisa Kawamura, Yokosuka, JP;
Assignee:
Nissan Motor Company, Limited, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
36443108 ; 123425 ; 123435 ; 73 35 ;
Abstract
A system for detecting and controlling an engine knocking the determination of occurrence of knocking is based on a present data on the detected pressure vibration energy in a combustion chamber of the engine and a value associated with a previous data on the detected pressure vibration energy in the combustion chamber so that an accurate detection of engine knocking can always be achieved. Furthermore, the knocking can be discriminated from the background noise even when the engine revolution speed is high.