Patents for F16C 39 - Relieving load on bearings (3,397)
03/1994
03/31/1994WO1994007299A2 Elongate torque motor and angular displacement control device incorporating it
03/31/1994WO1994007044A1 Magnetic bearing and mechanical stop device for positioning a rotating body in relation to a stator body
03/15/1994US5294854 Bearing for use in high resolution precision control device
03/09/1994EP0585351A1 Magnet-superconductor systems having high thrust and high stability
03/08/1994US5291975 System and method for damping narrow band axial vibrations of a rotating device
03/03/1994WO1994004825A1 Process for monitoring the operative position of the rotary system of a vacuum pump, especially a turbo-molecular pump
03/02/1994EP0584846A1 Electromagnetic bearing arrangement
02/1994
02/24/1994DE4327506A1 Turbo vacuum pump assembly - has housing with suction and delivery apertures and contg. evacuating pump which compresses gas sucked in through suction aperture
02/24/1994DE4227663A1 Verfahren zur Überprüfung der Betriebsposition des rotierenden Systems einer Vakuumpumpe, vorzugsweise Turbomolekularpumpe Method for checking the operating position of the rotating system of a vacuum pump, preferably turbomolecular pump
02/22/1994US5289067 Bearing device
02/22/1994US5288154 Splash-proof bearing arrangement having a horizontal axis
02/17/1994DE4227015A1 Magnetic rotor bearing current control arrangement - contains actual geometric position sensors, required position program unit coupled to shaft and sensor, and amplifier for control valves.
02/17/1994DE4227014A1 Balancing electromagnetically-supported rotor - using measured values obtained from control loop selected by rotary-angle pulses adjustable to 360 degrees, balancing manually and by using angle-dependent current regulating values
02/17/1994DE4227013A1 Active magnetic axial bearing for rotors - has anti-magnetic bearing rings inserted in ring grooves of pole faces, extending out towards armature disc
02/15/1994US5287031 Device for supporting and linearly moving an object
02/08/1994US5285123 Turbo-generator
01/1994
01/26/1994EP0580202A1 Magnetic bearing back-up
01/26/1994EP0580201A1 Magnetic bearing back-up
01/18/1994US5280208 Composite bearing structure
12/1993
12/29/1993EP0575619A1 Superconductive bearing device
12/29/1993EP0575618A1 Superconductive bearing device
12/21/1993US5272403 Low friction backup system for magnetic bearings
12/21/1993US5271677 Method for eliminating whirl instability in a gas supported bearing
12/14/1993US5270601 Superconducting composite magnetic bearings
12/14/1993US5270600 Magnetic drive device
12/07/1993US5268608 Flywheel-based energy storage and apparatus
12/02/1993DE4216481A1 Magnetlagerregler Magnetic bearing control
12/01/1993EP0436624B1 Electric machinery employing a superconductor element
11/1993
11/25/1993WO1993023683A1 Magnetic bearing regulator
11/24/1993EP0570525A1 Superconducting composite and bearings
11/23/1993US5264982 Electromagnetic support with unilateral control currents
11/18/1993DE4228964C1 Rotary anode bearing for X=ray tube - has roller bearing which is loaded with axially directed force to eliminate bearing play using magnetic parts mounted on end wall of vacuum tube and rotating shaft respectively.
11/18/1993DE4215381A1 Radial and=or axial position measurement device for shaft and magnetic bearing - contains two sensor unit pairs for detecting displacement of shaft each coupled to subtractor for formation of difference signal, which is fed to switchable input summer to form average value.
11/16/1993US5262692 Variable voltage switched current control
11/02/1993US5257523 Can body maker with magnetic ram bearing and redraw actuator
10/1993
10/27/1993EP0566806A1 Magnetic bearing device
10/27/1993EP0566678A1 Methods and apparatus for energy storage
10/26/1993US5256952 Magnetic bearing control method and apparatus
10/26/1993US5256638 Magnetically leviated superconducting bearing
10/26/1993US5256637 Superconducting coil bearings for rotor load
10/26/1993CA1323467C Magnetically suspended rotor axial flow blood pump
10/19/1993CA1323382C Active vibrating device servo magnetic suspension along three axis
10/14/1993WO1993020362A1 Auxiliary bearing system for a rotor floating-mounted on a stator
10/14/1993DE4210741A1 Magnetic bearing for body suspended in stator magnetic field - includes magnetisable components interacting with magnetisable body components, control loop contg. coil, position sensor
10/13/1993CN1022437C Noncontact magnetic bearing
10/07/1993DE4239491A1 Bi- or multi-polar permanent magnet ring magnetising device - induces current pulse in conductor rings on ends or sides of magnet ring whose magnetic field magnetises ring
10/06/1993EP0563928A2 Magnetic bearing apparatus
10/05/1993US5250865 Electromagnetic thrust bearing for coupling a rotatable member to a stationary member
10/05/1993US5249871 High force ball bearings
09/1993
09/30/1993WO1993019320A1 Water conserving wastewater disposal system
09/30/1993DE4210042A1 Hilfslagersysstem für einen am Stator schwebend gelagerten Rotor Hilfslagersysstem for a floating mounted on the stator rotor
09/30/1993CA2131698A1 Water conserving wastewater disposal system
09/28/1993US5248239 Thrust control system for fluid handling rotary apparatus
09/21/1993US5247219 Control apparatus of magnetic bearing
09/16/1993DE4208039A1 Spinning pot where bearing system allows higher rotary speeds to increase productivity - is mounted in magnet bearings at both ends for higher speeds
09/15/1993EP0560234A2 Method and apparatus for controlling a magnetic bearing
09/14/1993US5245270 Energy storage system
09/08/1993EP0559504A1 Electromagnetic bearing
09/08/1993EP0558818A1 Superconducting bearings
09/07/1993US5243491 Electromagnetic support with current-independent characteristics
08/1993
08/24/1993CA1321612C Portable crash-survivable kinetic energy storage machine
08/19/1993WO1993016294A1 Superconducting bearing
08/18/1993EP0281632B1 Electromagnetic bearing controller
08/17/1993US5237229 Magnetic bearing device with a rotating magnetic field
08/10/1993US5235227 Noise and vibration dampened electric motor such as for use with a sound movie camera
08/03/1993US5232334 Rotary machine having an axial abutment that retracts automatically by means of a flexible membrane subjected to the pressure of a fluid
08/03/1993US5232072 Center-free large roller bearing
07/1993
07/27/1993US5231323 Vibration isolated backup bearing for magnetic bearing
07/13/1993US5227948 Electromagnetic support with position-independent characteristics
07/07/1993EP0549912A1 Apparatus for the electromagnetic control of the suspension of an object
07/07/1993EP0549911A1 Apparatus for monitoring inductance
07/06/1993US5225728 Non-contact-guidable magnetic floating device
06/1993
06/30/1993EP0549004A1 An electronic braking device for asynchronous motors
06/29/1993US5223758 Spindle motor
06/29/1993US5222689 Aircraft having magnetic suspension systems
06/15/1993US5220232 Stacked magnet superconducting bearing
06/15/1993US5220222 Magnetic bushings for an optical access actuator
06/10/1993WO1993011372A1 Magnet-superconductor systems for controlling and influencing relative motion
06/10/1993CA2124956A1 Magnet-superconductor systems for controlling and influencing relative motion
06/09/1993DE4240718A1 Clean pump with impeller in housing part, e.g. for medical instrument - has rotor fitted at one side of impeller with housing part in- between and two passive magnetic bearings for radial support of impeller.
06/09/1993CN1073035A Single-pole combined magnet and magnetic floating bearing
06/08/1993US5218257 Magnetic levitation self-regulating systems
06/08/1993US5217042 Residential waste water disposal system
06/03/1993DE4139201A1 Lamp holding system for light bulb or lamp held in suspension by electromagnet - has no mechanical contact between holder and lamp, with lamp held only by magnetic field and power for operating lamp comes from magnetic alternating field
06/01/1993US5216590 Contactless guided positioning table
06/01/1993US5216308 Magnetic bearing structure providing radial, axial and moment load bearing support for a rotatable shaft
06/01/1993US5214981 Flywheel energy storage with superconductor magnetic bearings
05/1993
05/27/1993WO1993010367A1 Magnetically levitated superconducting bearing
05/27/1993WO1993010333A1 Rotary screw machine with thrust balanced bearings
05/11/1993US5209699 Magnetic drive device
05/11/1993US5209631 Arrangement for flooding high speed vacuum pumps
05/04/1993US5208522 Machine with magnetic-borne rotor and electrical radial field motor-generator
04/1993
04/28/1993EP0538311A1 Shaftless open-end spinning rotor of an axial combined magnetic/gas bearing.
04/28/1993EP0538304A1 Drive and bearing for a shaftless open-end spinning rotor.
04/27/1993US5205078 Rotary apparatus
04/20/1993US5204568 Superconducting bearing for borehole and survey gravimeters
04/15/1993WO1993007388A1 Fluid pump with magnetically levitated impeller
04/15/1993DE4234524A1 Hybrid superconductive bearing for rotor shaft - uses auxiliary non-superconductive bearing supporting shaft until critical velocity for superconductive bearing
04/13/1993US5202937 Arrangement for an axial and radial bearing unit
04/13/1993US5202824 Rotating force generator for magnetic bearings
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