Patent ID: 9739231
Date: 2017-08-22
CPC Classifications: F01P,F02F

Claim:
1. An engine block comprising: one or more bores intersecting a deck face adapted to cooperate with a cylinder head and configured for receiving one or more respective pistons; a coolant passage; and a lubricant passage, wherein a portion of the coolant passage and a portion of the lubricant passage are disposed adjacent to and about a respective bore so as to cool the bore, the coolant passage portion extending over a first lengthwise portion of the bore and the lubricant passage portion extending over a second lengthwise portion of the bore, the first and second lengthwise portions being longitudinally spaced apart along the bore; wherein the portion of the coolant passage is positioned between the lubricant passage and the deck face to be above the lubricant passage and such that the lubricant passage is spaced apart from the deck face, and such that the first lengthwise portion of the bore extends between the deck face and the second lengthwise portion of the bore; and wherein the coolant passage has a further portion positioned radially outer of the lubricant passage and exterior thereto such that the further portion of the coolant passage at least partially extends over the second lengthwise portion of the respective bore and such that the lubricant passage is positioned between the bore and the further portion of the coolant passage.