Patent ID: 11965520
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 13:
14. The airfoil journal bearing of claim 1, wherein the airfoil comprises:
a top foil in the hollow and that, when the rotation shaft is inserted in the hollow, encloses a range of at least 180 to 360 degrees of the circumference of the rotation shaft;
a first bump foil in the hollow, enclosing a first part of the top foil in a circumferential direction of the hollow and including a plurality of elastic bumps having an uneven shape in the circumferential direction of the hollow; and
a second bump foil in the hollow, enclosing, in the circumferential direction of the hollow, a second part of the top foil spaced, in the axial direction, apart from the first part of the top foil and including a plurality of elastic bumps having an uneven shape in the circumferential direction of the hollow, wherein
the insert part is at each edge of the top foil, the first bump foil, and the second bump foil.