Air foil bearing assembly
AssigneesHyundai Motor Company, Kia Motors Corporatlion
InventorsKyoung Ku Ha, Chang Ha Lee
Life of this patent
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Abstract
An air foil bearing assembly is provided. The air foil bearing assembly includes a bearing housing that has a hollow into which a rotary shaft is fitted and a slot of which both ends are open toward front and rear sides formed on an inner circumference surface of the hollow. A bump foil is provided to have a combining portion inserted to the slot and disposed in the inner circumference surface of the hollow. A top foil having a combining portion is inserted to the slot and is disposed in an inner side of the bump foil. A stopper is disposed on one of the combining portions of the bump foil or the top foil to prevent the combining portion of the bump foil or the top foil from being displaced from the slot toward the front and rear sides.
Claims19
An air foil bearing assembly, comprising:
- a bearing housing that includes a hollow into which a rotary shaft is fitted and a slot which is open toward front and rear sides of the bearing housing and which is formed on an inner circumference surface of the hollow;
- a bump foil that includes a first combining portion inserted into the slot and is disposed in the inner circumference surface of the hollow;
- a top foil that includes a second combining portion inserted into the slot and is disposed in an inner side of the bump foil;
- and
- a stopper disposed on the first combining portion to prevent the first combining portion from being displaced from the slot,
- wherein the stopper includes an engagement key formed at front and rear ends of the first combining portion, and supporting front and rear surfaces of the bearing housing.
An air foil bearing assembly, comprising:
- a bearing housing that includes a hollow into which a rotary shaft is fitted and a slot formed on an inner circumference surface of the hollow, wherein the slot has a front open end that is open toward a front side of the bearing housing and a rear open end that is open toward a rear side of the bearing housing;
- a bump foil that includes a first combining portion inserted into the slot and is disposed in the inner circumference surface of the hollow;
- a top foil that includes a second combining portion inserted into the slot and is disposed in an inner side of the bump foil;
- and
- an engagement key that extends from front and rear ends of the first combining portion, is bent to surround front and rear ends of the second combining portion, wherein the engagement key is configured to be elastically deformed in a width direction of the slot.
An air foil bearing assembly, comprising:
- a bearing housing that includes a hollow into which a rotary shaft is fitted and a slot formed on an inner circumference surface of the hollow, wherein the slot has a front open end that is open toward a front side of the bearing housing and a rear open end that is open toward a rear side of the bearing housing;
- a bump foil that includes a first combining portion inserted into the slot and is disposed in the inner circumference surface of the hollow;
- a top foil that includes a second combining portion inserted into the slot and is disposed in an inner side of the bump foil;
- a first engagement key that extends from a front end of the first combining portion, is bent to surround a front end of the second combining portion;
- and
- a second engagement key that extends from a rear end of the first combining portion, is bent to surround a rear end of the second combining portion,
- wherein the first engagement key and the second engagement key are configured to be elastically deformed in a width direction of the slot.
Dependencies are inferred from the claim text.