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:
Aug. 28, 2001
Filed:
Aug. 31, 2000
Applicant:
Inventors:
Thomas J. Crowell, Peoria, IL (US);
Douglas E. Wilson, Henry, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 1/300 ;
U.S. Cl.
CPC ...
F01M 1/300 ;
Abstract
Air laden with oil and blow-by gases is evacuated from an engine compartment such as a crankcase. The air is cleaned by removing oil and may be reused for engine combustion by routing it through a turbocharger inlet. The reclaimed oil may be returned to an oil pan for reuse in engine lubrication.