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:
Sep. 06, 1988

Filed:

Apr. 29, 1985
Applicant:
Inventors:

Shoichi Ohtaka, Saitama, JP;

Yukio Kondo, Saitama, JP;

Kaoru Aoki, Tokyo, JP;

Masayuki Kumada, Tokyo, JP;

Takashi Iwashita, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123573 ; 123545 ; 123574 ;
Abstract

An arrangement for heating the blow-by gas system of a water cooled type internal combustion engine by providing engine coolant conduits in heat exchange relationship with the blow-by gas hoses and PCV valve. In one embodiment a water jacket surrounds the PCV valve. The heat exchangers between the blow-by gas system hoses and the coolant hoses are parallel adjacent conduits in one embodiment and concentric conduits in another embodiment.


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