Patent ID: 8845193
Filing Date: 2014-09-30
Classification: F16C

Abstract:
1. A radial foil bearing for supporting a rotary shaft by being externally attached to the rotary shaft, the radial foil bearing comprising: a cylindrical top foil disposed so as to face the rotary shaft; a back foil disposed on a radially outer side of the top foil; and a cylindrical bearing housing accommodating the top foil and the back foil in a state of inserting the top foil and the back foil thereinto, wherein engagement grooves are formed on both side surfaces of the bearing housing so as to extend from an outer circumferential edge to an inner circumferential edge of the bearing housing, wherein notches are formed in circumferential edges on both sides of the back foil, and wherein a locking member is locked into the engagement grooves of the bearing housing and the notches of the back foil, and includes a pair of engagement legs engaging with the engagement grooves and the notches, and a connection portion connecting the engagement legs together so as to be disposed near one ends of the engagement legs.