RADIAL FOIL BEARING
First Claim
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, andwherein 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.
1 Assignment
0 Petitions
Accused Products
Abstract
The radial foil bearing includes a top foil, a back foil, and a bearing housing accommodating the top and back foils, and supports a rotary shaft. Engagement grooves are formed on both side surfaces of the bearing housing to extend from the outer circumferential edge to the inner circumferential edge of the side surface. Notches are formed in circumferential edges on both sides of the back foil. 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 to be disposed near one ends of the engagement legs.
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Citations
8 Claims
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1. A radial foil bearing for supporting a rotary shaft by being externally attached to the rotary shaft, the radial foil bearing comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification