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.

Date of Patent:
May. 30, 1989

Filed:

Mar. 01, 1988
Applicant:
Inventor:

Hermann Oetting, Braunschweig, DE;

Assignee:

Volkswagen AG, Wolfsburg, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P / ; F02F / ; F01M / ; F02M / ;
U.S. Cl.
CPC ...
123 4135 ; 123573 ;
Abstract

In the representative piston cooling system for an internal combustion engine described in the specification, an evaporation coolant is sprayed on the rear side of a piston by at least one nozzle and the coolant vapor is removed from the crankcase through a blow-by line passing to a condenser which supplies condensed coolant to a coolant reservoir from which the blow-by gases are conveyed to the intake manifold of the internal combustion engine by way of a connecting line.


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