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:
Oct. 20, 1998
Filed:
Mar. 29, 1996
Applicant:
Inventors:
Bobby D Griffith, Aurora, IL (US);
Mark R Hawkins, Chillicothe, IL (US);
Dean J Schlickbernd, Joliet, IL (US);
Steven J Zmuda, Dunlap, IL (US);
Assignee:
Caterpillar Inc., Peeria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M / ; F01M / ;
U.S. Cl.
CPC ...
184-64 ; 184-6 ; 184-619 ; 184-72 ;
Abstract
A control system for lubricating a work machine is provided. The control system includes a lubricant distribution system, a charging system adapted to drive the lubricant distribution system, a sensor for determining the operating state of the charging system, and a device for calculating a time interval being dependent upon a previous lubricating event. The control also includes a device for producing a lubrication signal in response to the time interval reaching a predetermined interval constant.