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Class Information
Number: 384/102
Name: Bearings > Rotary bearing > Fluid bearing > With antifriction bearing > Backup
Description: Subject matter wherein the antifriction bearing functions as a backup bearing during fluid bearing breakdown, during start-up, or low, or reversed speeds.










Patents under this class:

Patent Number Title Of Patent Date Issued
8636487 Dual stage pump having intermittent mid-shift load supports Jan. 28, 2014
8308364 Auxiliary bearing system for magnetically supported rotor system Nov. 13, 2012
8283825 Auxiliary bearing system with plurality of inertia rings for magnetically supported rotor system Oct. 9, 2012
8253292 Cryogenic submerged turbine generator with hydrostatic bearings Aug. 28, 2012
6524005 Touchdown bearing assembly with actuator ring assembly Feb. 25, 2003
6194801 Device for limiting shaft whirl Feb. 27, 2001
6082495 Scroll compressor bearing lubrication Jul. 4, 2000
6074165 Vacuum pump with magnetic bearing system and back-up bearings Jun. 13, 2000
6071092 Vacuum pump with improved back-up bearing assembly Jun. 6, 2000
6057619 Stress relief in a magnetic thrust bearing May. 2, 2000
6012898 Submerged motor pump Jan. 11, 2000
5977677 Combination bearing for gas turbine engine Nov. 2, 1999
5810485 Auxiliary bearing system Sep. 22, 1998
5747907 Backup bearings for positive re-centering of magnetic bearings May. 5, 1998
5642944 Auxiliary bearing system Jul. 1, 1997
5588754 Backup bearings for extreme speed touch down applications Dec. 31, 1996
5345127 Magnetic bearing back-up Sep. 6, 1994
5286113 Centrifugally activated bearing for high-speed rotating machinery Feb. 15, 1994
5272403 Low friction backup system for magnetic bearings Dec. 21, 1993
5207396 Fishing reel May. 4, 1993
4927274 Slip ring air bearing May. 22, 1990
4865529 Rotor transient positioning assembly Sep. 12, 1989
4811992 Wheel-mounting arrangement with emergency bearing surface Mar. 14, 1989
4701651 Motor unit Oct. 20, 1987
4664539 Serial safety bearing May. 12, 1987
4641978 Bearing system Feb. 10, 1987
4629261 Centering and safety device for rotors supported without contact Dec. 16, 1986
4541773 Safety device for motor pump group Sep. 17, 1985
4394091 Air bearing and antifriction bearing assembly Jul. 19, 1983
4360165 Rotary type electrostatic spray painting device Nov. 23, 1982
4324440 Containing bearing for supercritical rotors Apr. 13, 1982











 
 
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