Patent ID: 8327824
Filing Date: 2012-12-11
Classification: F02B,F02M,Y02T

Abstract:
1. An air-intake apparatus of an internal combustion engine having a plurality of cylinders, the air-intake apparatus comprising: a casing defining a plurality of intake passages for supplying intake air to the cylinders of the internal combustion engine respectively; a plurality of valves accommodated in the intake passages respectively such that the valves can open and close freely; a shaft for connecting the valves such that the valves can move in conjunction with each other; and a thrust restriction section for restricting displacement of the shaft in a rotational axis direction of the shaft, wherein the thrust restriction section has: a pair of facing sections arranged to face each other across an axial distance parallel to the rotational axis direction of the shaft; a rolling bearing having an inner ring fixed to an outer periphery of the shaft between the facing sections; and a bearing pressing section arranged between one of the pair of facing sections and the rolling bearing for pressing the rolling bearing against the other one of the pair of facing sections.