| Patents for F16C 39 - Relieving load on bearings (3,397) |
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| 03/31/1992 | US5101398 Device for magnetically guiding movement of a moving body such as an optical head |
| 03/31/1992 | US5101130 Magnetic thrust bearings |
| 03/24/1992 | US5098203 Bearing system |
| 03/18/1992 | EP0475543A1 Pendulum bearing for a precision measuring pendulum |
| 03/12/1992 | DE4028858A1 Bearing for precision measuring pendulum - uses bearing ring magnets and bar magnets at both sides with all poles lying in axis of rotation |
| 03/10/1992 | US5095237 Sectoral core for magnetic bearing |
| 03/10/1992 | US5094551 Preload control apparatus for bearings with shape memory alloy springs |
| 03/10/1992 | CA1297146C Auxiliary bearing having a graphite stator for a rotary shaft mounted on magnetic bearings |
| 03/04/1992 | EP0473232A1 Electromagnetic support with position-independent characteristics |
| 03/04/1992 | EP0473231A1 Electromagnetic support with unilateral control currents |
| 03/04/1992 | EP0473230A1 Electromagnetic support with current-independent characteristics |
| 03/03/1992 | US5093754 Control system for a magnetic levitation body |
| 02/20/1992 | WO1992002738A1 Magnetic bearings |
| 02/20/1992 | WO1992002737A1 Magnetic bearings |
| 02/18/1992 | US5089732 Spindle motor |
| 02/12/1992 | EP0470637A1 Turbo molecular pump |
| 01/30/1992 | DE4023403A1 Positioning table for precision machine tool - with horizontally displaced table surface and table support mounted in horizontal bearings |
| 01/28/1992 | US5084644 Control of magnetization of a machine with axial magnetic bearings |
| 01/28/1992 | US5084643 Virtual rotor balancing in magnetic bearings |
| 01/23/1992 | WO1992001167A1 Pivot bearing arrangement for high loads |
| 01/23/1992 | WO1992001097A1 Shaftless open-end spinning rotor of an axial combined magnetic/gas bearing |
| 01/23/1992 | WO1992001096A1 Drive and bearing for a shaftless open-end spinning rotor |
| 01/23/1992 | DE4022562A1 Open-end spinning rotor shaft - has a magnetic axial bearing with facing magnets at free shaft end and in the housing |
| 01/22/1992 | EP0467341A1 Superconducting bearing device |
| 01/22/1992 | EP0467148A1 Venting device for fast rotating vacuum pumps |
| 01/21/1992 | US5083053 High-friction back-up bearing for magnetic bearings |
| 01/15/1992 | EP0466041A2 Energy storage system |
| 01/07/1992 | US5078741 Magnetically suspended and rotated rotor |
| 01/02/1992 | DE4020726A1 Magnetic bearing for electric motor rotor shaft - has two axially adjacent annular coils and annular magnet separated by ring poles |
| 12/31/1991 | US5076755 Bearing device for high speed rotary shaft |
| 12/17/1991 | US5073737 Magnetic bearing device |
| 12/17/1991 | US5073036 Hydrostatic bearing for axial/radial support |
| 12/12/1991 | WO1991017368A3 Vibration insulation of a body on magnetic bearings |
| 12/10/1991 | US5072146 Magnetic bearings coil heat removal |
| 11/28/1991 | DE4016948A1 Contactless magnetic guidance system esp. for sliding door - exploits mutual repulsion of like poles of radial permanent magnets at edges of mouldings and guide |
| 11/26/1991 | US5068558 Magnetic bearing device |
| 11/26/1991 | US5067825 Aircraft engine rotor squeeze film damper |
| 11/19/1991 | US5066879 Single power source magnetic bearing device |
| 11/14/1991 | WO1991017368A2 Vibration insulation of a body on magnetic bearings |
| 11/05/1991 | US5063336 Mechanical stabilization system using counter-rotation and a single motor |
| 10/29/1991 | US5061679 Drive system employing frictionless bearings including superconducting matter |
| 10/22/1991 | US5059845 Active magnetic bearing device for controlling rotor vibrations |
| 10/22/1991 | US5059092 Vacuum pump having emergency bearings |
| 10/09/1991 | CN2086344U Locomotive, vehicle bearing heater |
| 10/09/1991 | CN1055265A Non-contact-guidable magnetic floating device |
| 09/25/1991 | EP0448323A1 Non-contact-guidable magnetic floating device |
| 09/24/1991 | US5051637 Flux control techniques for magnetic bearing |
| 09/21/1991 | WO1991014876A1 Flux control techniques for magnetic bearing |
| 09/21/1991 | WO1991014875A1 Magnetic cores of rotary electrical machines |
| 09/21/1991 | CA2081326A1 Magnetic cores of rotary electrical machines |
| 09/21/1991 | CA2081325A1 Flux control techniques for magnetic bearing |
| 09/18/1991 | EP0446816A2 Imbalance correcting apparatus for a rotor |
| 09/17/1991 | US5049218 Magnetic support & transport system |
| 09/11/1991 | EP0445733A1 Spindle motor |
| 09/11/1991 | EP0445691A1 Vacuum pump with magnetic suspension |
| 09/11/1991 | EP0445690A1 Vacuum pump for a clean vacuum |
| 09/05/1991 | DE4103369A1 Spinning or twisting ring magnet bearing - has permanent magnet ring and electro-magnetic system for accurate radial stability |
| 09/03/1991 | US5046151 Magnetic bearing device |
| 08/27/1991 | US5043615 Noncontact bearing utilizing magnetism |
| 07/30/1991 | US5036265 Method and device for eliminating the effect of periodic disturbance variable having a known, variable frequency |
| 07/30/1991 | US5036236 Air gap matching proximity sensor for magnetic bearings |
| 07/30/1991 | US5036235 Brushless DC motor having a stable hydrodynamic bearing system |
| 07/17/1991 | EP0436624A1 Electric machinery employing a superconductor element. |
| 07/17/1991 | EP0436623A1 Bearing system employing a superconductor element |
| 07/16/1991 | US5032751 Magnetic fluid bearing |
| 07/11/1991 | WO1991010073A1 Magnetic suspension of high-speed shaft |
| 06/25/1991 | US5027280 Machining apparatus having a main spindle supported by magnetic bearings |
| 06/05/1991 | EP0430009A1 Power supply unit for a vacuum pump with magnetic thrust bearings and with an auxiliary power supply for the thrust bearings in case of a power failure |
| 06/04/1991 | US5021697 Auxiliary bearing design for active magnetic bearings |
| 06/04/1991 | US5020444 Method of and apparatus for controlling magnetic levitation |
| 05/28/1991 | US5019738 Self-pressurizing gas supported surface-roughness bearing |
| 05/21/1991 | US5017819 Linear magnetic spring and spring/motor combination |
| 05/07/1991 | US5013987 Control system for magnetic bearing |
| 05/07/1991 | US5013054 Bush mounting for a floating chuck |
| 04/30/1991 | US5012359 Magnetic disk apparatus |
| 04/23/1991 | US5010563 System for the suspension of a rotating anode of an x-ray tube with passive magnetic bearings |
| 04/16/1991 | CA1283143C Magnetically levitated fine motion robot wrist with programmable compliance |
| 04/04/1991 | WO1991004525A1 Portable crash-survivable kinetic energy storage machine |
| 04/04/1991 | DE3931430A1 Spindle drive with spindle nut - is used to convert rotary into linear movement, and has magnetic bearing enclosing spindle thread |
| 03/26/1991 | US5003235 Single element magnetic suspension actuator |
| 03/26/1991 | US5003211 Permanent magnet flux-biased magnetic actuator with flux feedback |
| 02/27/1991 | EP0414127A1 Vacuum pump with magnetic bearing |
| 02/27/1991 | EP0413851A1 Bearing ring for magnetic bearing |
| 02/27/1991 | CN1049547A Noncontact magnetic bearing |
| 02/21/1991 | WO1991002353A1 Record player of magnetic levitation and control type |
| 02/20/1991 | EP0413497A2 Noncontact bearing utilizing magnetism |
| 02/13/1991 | EP0412509A2 Bearing structure |
| 02/12/1991 | US4992714 Band pass filter device and a method of filtering using such a device |
| 02/06/1991 | EP0411697A1 Magnetic bearings |
| 02/06/1991 | EP0411696A2 Magnetic thrust bearings |
| 02/06/1991 | EP0411695A2 A magnetic bearing-shaft assembly having a bearing to support the shaft in the event of failure of the magnetic bearing |
| 02/05/1991 | CA1279886C Hybrid fluid bearing with stiffness modified by the electromagnetic effect |
| 01/30/1991 | EP0410293A1 Spindle motor |
| 01/29/1991 | US4988906 Magnetic bearing assembly |
| 01/22/1991 | US4985972 Roll with deflection compensation |
| 01/16/1991 | EP0407628A1 Process and device for eliminating the influence of periodic disturbance values with a known varying frequency |
| 01/15/1991 | US4985651 Linear motor with magnetic bearing preload |
| 01/08/1991 | US4983870 Radial magnetic bearing |
| 01/08/1991 | US4983869 Magnetic bearing |
| 01/02/1991 | EP0301063B1 Wind-vane with magnetic bearing |