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Class 384/446 - Nonbearing magnetic feature


Subclass of Class 384 - Bearings
Definition: Subject matter wherein the magnetic feature is other than
No. of patents: 115
Last issue date: 08/02/2011


1      
NumberTitleIssue Date
7988363Bearing with rotation detection device
To downsize a bearing assembly with a rotation detection device, a magnetic generating element (2) having a directionality about a rotation axis O is provided on an inner race (21) side of the bearing assembly (20). A rotation sensor (3) ...
08/02/2011
7628539Bearing mechanism, carriage assembly, and magnetic disk drive
Embodiments of the invention are directed to keeping a height of a pivot bearing low in order to build a thinner magnetic disk drive. In one embodiment, a ball bearing is provided between a shaft and a sleeve. An inner race of the ball bearing is secured to the shaf...
12/08/2009
7520675Rolling bearing assembly having magnet to prevent brittle flaking
A rolling bearing assembly according to the present invention includes an inner ring, an outer ring, a plurality of rolling elements interposed between the inner and outer rings, and a magnet provided to cause magnetic attraction between the rolling elements and at ...
04/21/2009
7424930Vibratory energy dissipation and isolation with magnetically biased rolling members
A coupling device is interposed between an electronic or electro-acoustic component and a supporting structure for draining, transmitting and dissipating vibratory energy generated within the component, while isolating the component from vibratory energy emanating f...
09/16/2008
7362023Rotation detecting device and wheel support bearing assembly utilizing the same
A rolling bearing assembly equipped with an electric power generator, having: inner and outer members rotatable relative to each other through rolling elements; an electric power generator including a multi-pole magnet assembly mounted on one of the inner and outer ...
04/22/2008
7341321Rotation detecting device and anti-skid braking system using the same
A rotation detecting device that includes an electric power generator having a stator and a rotor, said rotor having a plurality of alternating opposite magnetic poles in a circumferential direction of the rotor, at least a first magnetic sensor mounted on either th...
03/11/2008
7341257Integrated sensor-seal module for detecting angular position of a crankshaft
A shaft seal/position sensor module assembly includes a carrier body that is mountable on a shaft housing about an opening through which a rotatable shaft extends. A sleeve is mountable on the shaft and carries a multi-pole encoder ring having a radially outwardly f...
03/11/2008
7288860Magnetic transducer with ferrofluid end bearings
An electrical generator includes one or more magnets that move relative to one or more conductors to generate an electrical signal in each conductor. Each magnet has ferrofluid bearings in the vicinity of its opposite ends to provide a low friction interface between...
10/30/2007
7216551Rolling bearing unit with sensor
A sensor device 2 has a magnetostrictive sensor 8 provided on a fixed-side raceway member 3 for detecting a gap between the sensor and a rotation-side raceway member 4, and means for processing the output of the magnetostrictive sensor
05/15/2007
7175176Device for feeding suction air or blowing air in a sheet-processing machine
A device for feeding suction air or blowing air to a sheet-retaining device displaceable relative to a machine element in a sheet-processing machine, includes a first air-feeding element connectible in terms of flow to a suction-air or blowing-air source. A second a...
02/13/2007
7119465Magnetic suspension bearing
A magnetic suspension bearing includes a plurality of magnets enclosed in an outer and an inner enclosure respectively. These magnets are disposed staggeringly up and down remaining a gap between each pair of magnets so as to generate a magnetic suspension force pro...
10/10/2006
7104699Thrust bearing and method of making same
A first race component includes a flat, circular raceway portion, defined about an axis, and an axially extending lip portion. A plurality of needle rollers is arranged radially with respect to the axis for rolling contact with the flat raceway. A bearing cage retai...
09/12/2006
7090178Sealed rotary joint for turret rotator
A rotatable payload support turret for operation in a potentially hazardous environment includes a fixed element attached to a vehicle or fixed structure and a rotatable element, supported for rotation with respect to the fixed element. The turret includes a camera ...
08/15/2006
7084537Rotation detecting device and wheel support bearing assembly utilizing the same
A rolling bearing assembly equipped with an electric power generator, the assembly having: first and second members rotatable relative to each other through rolling elements; an electric power generator capable of generating an electric power by a relative rotation ...
08/01/2006
7066649Actuator
In an actuator, displacement resistance in axial movement of a slider is reduced to improve durability and enhance maintainability. At each side of the actuator, a slit is made between a top cover and a side cover. Magnetic bodies are provided on the surfaces of bot...
06/27/2006
7063342Suspension arm kit, vehicle with protective spacer on suspension arm, and method of installing suspension arm
An improved apparatus is provided for use in a vehicular suspension arm. A through-hole is formed in one end of the suspension arm, and a bearing fits centrally in the through-hole. A pair of cylindrical spacer members are inserted into the opposed ends of the throu...
06/20/2006
7033080Device for detecting the rotation speed of a rotating element
The invention relates to a device for detecting the rotation speed of a rotating element supported by at least one external rotating ring with at least one roller bearing. At least one internal non-rotating ring of the roller bearing is solidly connected to a shaft ...
04/25/2006
7034521Wheel speed detector having stationary seal member for mounting magnetic sensor
A wheel speed detector for detecting a relative rotating speed between an outer ring and an inner ring by means of a magnetic sensor in association with a magnetic ring. A stationary seal member is fixed to the stationary ring and a rotatable seal member is fixed to...
04/25/2006
7011451Rotating speed sensor unit and wheel bearing assembly carrying the same
A wheel bearing assembly is provided which has a rotating speed sensor unit which includes a seal for preventing entry of foreign matter and which takes up little space and thus can be mounted on the wheel bearing assembly without increasing the axial dimension of t...
03/14/2006
7009310Autonomous power source
An autonomous power source comprises a power harvester mounted on a movable structure. The power harvester includes a coil, a magnet, and a low-friction ferrofluidic bearing in contact with the magnet, arranged such that the magnet and coil move with respect to each...
03/07/2006
6994472Rolling bearing apparatus
In order to detect rotational speed and rotational direction of an axle, achieve compact formation of the rotation detector, and be excellent in dust resistance performance, a rolling bearing apparatus includes balls interposed between respective raceway surfaces of...
02/07/2006
6989618Rolling bearing with built-in motor
The rolling bearing with a built-in motor includes a bearing part including an inner ring, an outer ring and a plurality of rolling elements, and a motor part including a stator and a rotor for driving and rotating the inner and outer rings of the bearing part with ...
01/24/2006
6976682Apparatus and method for forming a rotatable ferrofluidic seal between a shaft and a hub
An apparatus and method are provided for sealing an outer surface 170 of a shaft 175 to an inner surface 165 of a hub 160. The seal includes a magnet 155, with top and bottom pole pieces 260, 265, and a ferrofluid 270
12/20/2005
6960023Bearing structure for blade assembly of cooling fan
A bearing for the blade assembly of the cooling fan, the bearing is made of the plastic steel material having an integrally formed cylindrical hollow body and outward extended large diameter seat. The seat bottom has a recess with screw thread cut along the inside w...
11/01/2005
6948856Rolling bearing device and ring with sensor for the rolling bearing device
A rolling bearing with sensor includes an inner ring, an outer ring, a plurality of rolling elements disposed between the inner and outer rings, and a sensor having a detecting part detecting a state of the rolling bearing and a circuit part connected to the detecti...
09/27/2005
6880977Anti-friction bearing for a magnetic resonance tomography apparatus
An antifriction bearing for a magnetic resonance tomography apparatus has magnetic rolling members and an inner ring and an outer ring between which the rolling members roll. The outer ring is surrounded by a nonmagnetic ring. ...
04/19/2005
6857783Protective device for antifriction bearing with rotational speed measurement
A wheel bearing having an external, rotating, magnetic encoder which registers rotational speed of the bearing, and a magnetic particle trapping device spaced from the magnetic encoder to protect it against contamination. The trapping device includes a permanent mag...
02/22/2005
6776420Sealing device for a rolling contact bearing
Sealing device (1) for a rolling contact bearing (2) presenting an annular sealing lining (5), a protective shield (6) for the lining (5) which is mounted on the outside of the lining (5) itself, and an encoder (15) w...
08/17/2004
6705761Bearing with integral transformer
A bearing is provided including a first part provided with a first coil (4) and a second part rotatable with respect to the first part about a bearing axis and being provided with a second coil which is electromagnetically coupled to the first coil. The first...
03/16/2004
6703734Bearing with noncontact signal transfer mechanism
A ring magnet is attached to an outer ring by a magnet holding unit. A coil hold unit attached with a generator coil is provided at an inner ring to face the ring magnet. A substrate with a transmission circuit and a loop antenna is attached to the coil h...
03/09/2004
6688770Rolling bearing unit with ABS capability in a protective arrangement and a protection cap or protection cover
The invention relates to a protective arrangement with a rolling bearing unit with ABS capability which has a structurally integrated angle transmitter. The angle sensor is connected to a rotatable bearing ring so that it can rotate and has permanent magn...
02/10/2004
6682217Magnetically stabilized precision table and load-carrying bearings
A precision moving table system for transverse translation and comprising: first and second relatively movable table members, the first member supporting the second member at respective opposing surfaces of the members, at least one of said members compris...
01/27/2004
6626578Rotary pump with bearing wear indicator
A rotary pump for liquid comprising a housing, a shaft carrying a motor rotor, a motor stator fixed in the housing and surrounding the rotary to rotate the rotor and shaft about an axis, where the shaft is mounted in the housing by axially spaced conical ...
09/30/2003
6371739Method and apparatus for applying pre-load to the bearing structure of a drive shaft that is directly driven by an electric motor
A crankshaft directly connected to an electric motor and operably connected to a drive load is supported at two locations with bearings that are respectively subject to different amount of bearing loads. A resilient member is interposed between the inner ...
04/16/2002
6331823Monitoring system for bearings
A system for monitoring the operational status of a plurality of mechanical components, such as various bearings, speed reducers and the like. Each of the mechanical devices includes a respective local transmitter in electrical communication with various ...
12/18/2001
6190051Roller contact bearing with a sealing device and a device for rotation speed
A roller contact bearing unit, in particular for the hub of a vehicle wheel, including a radially outer rotating race (10), a radially inner stationary race (11), a sealing device (16) between the races (10, 11) and a device for measuring the rotation spe...
02/20/2001
5956204Magnetic disc drive having magnetic particle trap for hydrodynamic bearing
A magnetic disc drive system includes a hydrodynamic bearing. The magnetic disc drive system includes a disc drive chassis, a magnetic storage disc, and a read/write transducer adjacent to the disc for reading and writing information on the disc. The hydr...
09/21/1999
5902048Center bearing assembly having shear plate
A center bearing assembly adapted to rotatably support a rotatable shaft on a vehicle frame includes an annular roller bearing that is adapted to receive and rotatably support the rotatable shaft, a support member for supporting the roller bearing, and a ...
05/11/1999
5898388Rolling contact bearing with rotational speed measuring device
A rolling contact bearing with rotational speed measuring device, in particular a wheel bearing for motor vehicles for telemetric transmission of energy and signal between bearing and environment, insensitive to tolerances of the bearing and its surroundi...
04/27/1999
5829889Method and apparatus for magnetically preloading a ball bearing assembly
An apparatus for maintaining a predetermined positional relationship of a screw, the apparatus comprises a ball bearing track having a first and second track member in a spaced apart relationship, and having a ball bearing therein for permitting rotation ...
11/03/1998
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