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:
May. 05, 1987
Filed:
Jan. 29, 1986
Applicant:
Inventor:
Takao Kubozuka, Yokosuka, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01P / ; F01P / ;
U.S. Cl.
CPC ...
123 4115 ; 123 4121 ; 123 4127 ;
Abstract
In order to predict a system malfunction which will lead to overheat and thermal damage of the engine the operation of a level sensor which controls the level of coolant in the coolant jacket of the engine is monitored and in the event that frequency or the time for which the level sensor indicates a low level, falls outside of a predetermine range which defines malfunction free operation, a warning of impending engine overheat or the like is issued.