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. 22, 1984
Filed:
Nov. 18, 1981
Applicant:
Inventors:
Hermann Kruger, Wolfsburg, DE;
Hermann Deutsch, Wolfsburg, DE;
Assignee:
Volkswagenwerk AG, Wolfsburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P / ; F01P / ;
U.S. Cl.
CPC ...
123 4134 ; 1231 / ; 1231 / ; 123 4142 ; 123 4133 ;
Abstract
An internal-combustion engine includes an oil reservoir, a lubricating oil circuit, a lubricating oil pump drawing oil from the oil reservoir and driving the oil in the lubricating oil circuit and a cooling oil circuit coupled to the lubricating oil circuit. There is further provided a cooling oil pump drawing oil from the oil reservoir and driving the oil in the cooling oil circuit. The cooling oil pump has a lower output pressure than the lubricating oil pump.