Liquid cooling and cylinder arrangement for multi-cylinder type engine.

摘要

Each of a plurality of cylinder liners 1 has a cooling liquid groove 2 at its outer circumferential surface and has a flat surface 5 over an entire axial length at a part of the outer circumferential surface. These cylinder liners 1 are arranged with their flat surface 5 abutted to each other, arranged such that the cooling liquid grooves 2 at the flat surfaces 5 are coincident with each other and inserted into the bores 7 of a cylinder block 6. <IMAGE>