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Zero clearance auxiliary bearing for providing rotor shock tolerance

  • US 5,752,774 A
  • Filed: 10/22/1996
  • Issued: 05/19/1998
  • Est. Priority Date: 10/22/1996
  • Status: Expired due to Term
First Claim
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1. An auxiliary bearing for temporarily receiving rotor load comprising a plurality of circumferentially spaced roller means, means for effecting movement of at least some of said roller means between first radial positions respectively affording clearance between said roller means and the rotor and second radial positions respectively for receiving by said roller means of rotor load, and means responsive to contact by the rotor with at least one of said roller means during rotation of the rotor for effecting movement of all of said at least some roller means from said first radial positions toward said second radial positions respectively for closing said clearance and receiving by all of said roller means the rotor load.

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