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:
Oct. 20, 1987

Filed:

Jun. 21, 1985
Applicant:
Inventors:

Yoshimasa Hayashi, Kamakura, JP;

Yutaka Minezaki, Koshigaya, JP;

Yoji Ito, Tokyo, JP;

Naoyuki Inoue, Alexandria, VA (US);

Yoshinori Hirano, Yokohama, JP;

Assignee:

Nissan Motor Co., Ltd., Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
123 4127 ;
Abstract

The cooling circuit of an internal combustion engine cooling system wherein the coolant is allowed to boil and the vapor used as a vehicle for removing heat from said engine is equipped with an external reservoir and arranged so that the amount of liquid coolant in the cooling circuit of the system can be varied in a manner which both assists in controlling the boiling point of the coolant and prevents the development of negative pressures which invite the invasion of non-condensible matter such as atmospheric air.


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