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:
Jun. 04, 1985
Filed:
Sep. 11, 1984
Applicant:
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
123 4144 ; 123 4174 ; 1231 / ;
Abstract
To increase the structural rigidity of outer walls of a cylinder block wherein the coolant jacket thereof is adapted to receive coolant in a liquid state and discharge same in a gaseous state, a measure is employed wherein walls of the cylinders are integrally connected at their peripheral portions and a plurality of ribs are disposed in the coolant jacket with their laterally opposed sides integrally connected with the cylinder walls and the outer walls. Each rib extends essentially along the length of the cylinders from the bottom portion of the coolant jacket thereby to form a plurality of cells in the coolant jacket.