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Journal-Foil Air Bearing

  • US 20110052110A1
  • Filed: 09/29/2009
  • Published: 03/03/2011
  • Est. Priority Date: 08/31/2009
  • Status: Active Grant
First Claim
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1. A journal foil air bearing comprising:

  • a bearing housing provided with a hole in which a rotor is arranged;

    at least two bump foils disposed to be distanced from each other along an inner periphery of the hole in the bearing housing; and

    a top foil provided by one foil along a circumferential direction and disposed along the top of the bump foils;

    whereby the top foil deforms outward on spaces where the bump foils are distanced from each other and forms lobe shapes thereon at high speed rotation of the rotor.

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