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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 384/102 - Backup


Subclass of Class 384 - Bearings
Definition: Subject matter wherein the antifriction bearing functions
No. of patents: 28
Last issue date: 07/11/2006


NumberTitleIssue Date
7073521Substrate processing apparatus comprising ring-shaped motor
In a substrate processing apparatus for performing a substrate processing with a substrate being rotated, a ring-shaped motor is provided and a water pipe, a drainpipe and gas supply pipes are connected to a stationary part of the motor covered with a rotating part ...
07/11/2006
6524005Touchdown bearing assembly with actuator ring assembly
A touchdown bearing and actuator ring assembly for selectively biasing a ball bearing into direct engagement with a rotating shaft subject to significant axial thrust forces. The Actuator ring assembly includes a pair of relatively rotatable ring members ...
02/25/2003
6194801Device for limiting shaft whirl
An arrangement for limiting the whirl speed of a shaft after failure of a magnetic bearing supporting the shaft. The arrangement includes a surface extending essentially radially from the shaft axis and a machine element is provided with a projecting elem...
02/27/2001
6082495Scroll compressor bearing lubrication
A scroll-type machine is disclosed which incorporates a lubricant impregnated drive bushing. The lubricant utilized for the impregnation process will preferably be of a type which is insoluble in the fluid being handled by the scroll-type machine, will re...
07/04/2000
6074165Vacuum pump with magnetic bearing system and back-up bearings
A vacuum pump is provided with back-up bearings in addition to magnetic bearings for supporting its rotor with respect to the pump housing. The rotor has a hollow rotary shaft extending backwards enclosing in its inner space a forwardly protruding tubular...
06/13/2000
6071092Vacuum pump with improved back-up bearing assembly
A vacuum pump has a back-up bearing assembly for allowing its rotor to spin down safely without damaging the pump if the primary bearing system becomes disabled. The drive shaft of the rotor is tubular and contains the back-up bearing assembly in its holl...
06/06/2000
6057619Stress relief in a magnetic thrust bearing
Undesirably high stresses are minimized in a magnetic thrust bearing (15) having a disc (52) mounted on a shaft (54). The disc (52) is flanked on both sides (60,62) by respective armatures (68,70) which act to apply a magnetic field to the disc (52) to lo...
05/02/2000
6012898Submerged motor pump
A submerged motor pump (4) has an auxiliary bearing assembly (19, 20) for supporting a rotatable main shaft (9) when the submerged motor pump is not in an operating condition or operates in a transient condition. The submerged motor pump includes a pump c...
01/11/2000
5977677Combination bearing for gas turbine engine
The present invention contemplates a combination bearing for supporting a rotating rotor within a gas turbine engine. The combination bearing including a magnetic bearing system and dry solid lubricated rolling element auxiliary bearings units for sharing...
11/02/1999
5810485Auxiliary bearing system
This invention is directed toward a bearing system for a rotating element, and more particularly directed toward an bearing system which provides an auxiliary bearing system if the primary bearing fails. Transfer of load from the failing primary bearing t...
09/22/1998
5747907Backup bearings for positive re-centering of magnetic bearings
Bearing systems, such as magnetic bearings, are widely used today in a variety of applications. All bearing systems are, however, subject to failure. Therefore, backup bearing systems are often utilized in conjunction with a main bearing system in order t...
05/05/1998
5642944Auxiliary bearing system
This invention is directed toward a bearing system for a rotating element, and more particularly directed toward an bearing system which provides an auxiliary bearing system if the primary bearing fails. Transfer of load from the failing primary bearing t...
07/01/1997
5588754Backup bearings for extreme speed touch down applications
A backup bearing for supplying backup to magnetic bearings is provided, the backup bearing comprising: an outer race disposed about the axis of a stationary shaft, the outer race mounted to a flywheel assembly for rotational movement about the axis; an in...
12/31/1996
5345127Magnetic bearing back-up
A magnetic bearing arrangement for a rotatable shaft 11 including electromagnetic journal bearings 20, 21 and electromagnetic thrust bearings 22, 23, is provided with back-up bearings provided as hydrostatic journal bearings 50, 51 and thrust bearings 52,...
09/06/1994
5286113Centrifugally activated bearing for high-speed rotating machinery
A centrifugally activated bearing is disclosed. The bearing includes an annular member that extends laterally and radially from a central axis. A rotating member that rotates about the central axis relative to the annular member is also included. The rota...
02/15/1994
5272403Low friction backup system for magnetic bearings
An assembly in which a rotating shaft is supported by a magnetic bearing has a back-up bearing to support the shaft in the event of failure of the magnetic bearing, the back-up bearing comprising one or more coaxial bearing parts each including cylindrica...
12/21/1993
5207396Fishing reel
A fishing reel is formed of a reel body, a spool, a support shaft for supporting the spool for rotating in unison therewith, a sleeve loosely fitted on the support shaft for free rotation, and a bearing. The bearing includes an inner race fitted on the sl...
05/04/1993
4927274Slip ring air bearing
A compound journal airbearing having a sleeve concentric with a rotor and having an inner surface forming an airbearing space with the surface of the rotor so as to maintain the rotor surface and inner sleeve surface out of contact. The sleeve is supporte...
05/22/1990
4865529Rotor transient positioning assembly
A turbopump assembly 10 including a pump section 12 and a turbine section 14 is provided with forward and aft shaft centerline containment assemblies 20,84 in combination with radial hydrostatic bearings 28,72, and seals 26 to support transient loads and ...
09/12/1989
4811992Wheel-mounting arrangement with emergency bearing surface
A wheel-mounting arrangement for trailer axles, including tapered-roller bearings that are disposed on an axle spindle, and a hub that is rotatably mounted on the axle spindle via these tapered-roller bearings. A brake drum and a wheel or TRILEX star can ...
03/14/1989
4701651Motor unit
A motor unit has a stationary member, a rotatable member rotatable relative to the stationary member, a stator provided on the stationary member, a rotor provided on the rotatable member, and at least two bearings disposed between the stationary member an...
10/20/1987
4664539Serial safety bearing
Serial safety bearing assembly includes two concentric bearing sets and an actuatable device for selectively switching to engage either the inner or the outer of the two concentric bearing sets upon failure of one set or to alternate to first one set and ...
05/12/1987
4641978Bearing system
A bearing system includes backup bearings for supporting a rotating shaft upon failure of primary bearings. In the preferred embodiment, the backup bearings are rolling element bearings having their rolling elements disposed out of contact with their asso...
02/10/1987
4629261Centering and safety device for rotors supported without contact
A safety and centering device for rotors suspended in contactless magnetic bearings, which provides almost instantaneous centering support for the rotor if the bearing magnets loose power. In a preferred embodiment, the rotor shaft has a collar with a con...
12/16/1986
4541773Safety device for motor pump group
This invention provides in centrifugal motor pumps and the like a safety structure embodying a bearing bushing coaxially mounted with respect to the pump shaft in a space between the shaft and the body of the pump, with the bushing designed to act as a hy...
09/17/1985
4394091Air bearing and antifriction bearing assembly
A hybrid bearing assembly includes a shaft rotatably supportable within a shaft housing by a hydrodynamic foil bearing acting in parallel with an antifriction bearing. The shaft is supported solely by the antifriction bearing at zero and low shaft speeds,...
07/19/1983
4360165Rotary type electrostatic spray painting device
A rotary type electrostatic spray painting device comprising a rotary shaft and a spray head fixed onto the front end of the rotary shaft. Paint is fed onto the cup shaped inner wall of the spray head. The rotary shaft is supported by a single thrust air ...
11/23/1982
4324440Containing bearing for supercritical rotors
A containing bearing for supercritical rotors surrounding the rotor and operating to stabilize the rotor in the presence of radial rotor vibrations. A gap is present between the containing bearing and the rotor and is of a size equal to or larger than the...
04/13/1982
 
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