Patent ID: 9032916
Filing Date: 2015-05-19
Classification: F01P,F02F

Abstract:
1. A cylinder bore wall insulating member having an outer perimeter circumscribing an area within and having a contact surface that comes in contact with a wall surface of a cylinder bore wall that forms a cylinder block of an internal combustion engine and defines a groove-like coolant passage, and thereby covers the wall surface of the cylinder bore wall across the entirety of the area of the area of the cylinder wall insulating member, the contact surface being formed of an ethylene-propylene-diene rubber or a nitrile-butadiene rubber, a reinforcing material being provided inside the insulating member or on a back surface of the insulating member opposite to the contact surface, and the insulating member being pressed against and secured on the cylinder bore wall using a securing member that includes a wall contact section.