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. 31, 2016
Filed:
Feb. 17, 2012
Toshiaki Yamamoto, Toyota, JP;
Toshiaki Yamamoto, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Abstract
A cylinder block () of the invention includes a coolant passage () that guides coolant inside of a water jacket (), inside of an inter-bore partition wall (). The coolant passage () is formed by a head-side drill hole () that opens at a position away from a center portion of a top surface of the inter-bore partition wall () and is formed inclined with respect to an extending direction (L) of an axis of a cylinder bore so as to come closer to the center portion of the inter-bore partition wall () farther away from the top surface, and a jacket-side drill hole () that is communicated with a tip end portion of the head-side drill hole () and opens into the water jacket () and is formed inclined with respect to the extending direction (L) of the axis toward the opening so as to gradually come closer to the top surface.