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Class 384/471 - With pressure or suction means


Subclass of Class 384 - Bearings
Definition: Subject matter including specified means to established
No. of patents: 44
Last issue date: 08/12/2008


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NumberTitleIssue Date
7410302Pressure compensating device for a bearing housing
The invention refers to a pressure compensating device (4) for a bearing housing, which is incorporating a sealed off compartment, and which device is intended to compensate pressure variations in the sealed off compartment, wherein the device (4) inco...
08/12/2008
7374019Method of and device for lubricating rolling bearings
There is provided a lubricating method for a rolling bearing assembly capable of achieving a reliable lubrication and exhibiting a stable temperature rise. The method is for supplying a lubricant oil to the rolling bearing assembly during the operation thereof, in w...
05/20/2008
7341533CVT housing having wear-resistant bore
A continuously variable transmission (CVT) includes an aluminum housing member having a bore formed therein. A rotatable pulley member is supported on a bearing within the bore. The bore includes a layer of thermal spray coating for improved wear resistance so that ...
03/11/2008
7293919Bearing device
A bearing device mountable on a smaller bearing and allowing to be automatically lubricated for a long period, comprising an inner ring and an outer ring rotated relative to each other, cages and rolling elements held by the cages which are disposed in an annular sp...
11/13/2007
7153030Rolling bearing system
A rolling bearing system provided with an inner ring including a first raceway surface, an outer ring including a second raceway surface, a rolling element retained between the inner ring and the outer ring and capable of rolling along the first raceway surface and ...
12/26/2006
7124857Rotating shaft scavenging scoop
A bearing scavenge system comprises a scavenging passage extending axially through a rotating shaft supported by the bearing assembly. Oil and air are drawn from an oil cavity of the bearing assembly and evacuated through the rotating shaft as the shaft rotates....
10/24/2006
7077630Lubrication of a pitch angle adjusting device of a rotor blade of a windmill
In accordance with the invention an apparatus for rotating a shaft of a rotor blade of a wind power installation relative to a hub of the wind power installation, comprising a bearing arrangement between the components and a gear drive for actuation of the rotary mo...
07/18/2006
6994473Grease replenishing device
A grease replenishing device replenishes a grease-lubricated rolling bearing with a grease. The grease replenishing device has a storage chamber portion and a pressing member. The storage chamber portion stores the grease. The pressing member pushes the grease out o...
02/07/2006
6991378Device for improving the lubrication of bearings, particularly in wind turbines
For a bearing mounted between two concentric races rotating relative to each other, and forming an annular gap that accommodates the bearing and is closed by seals, at least one grease tube is provided between the periphery of one of the two races and the annular ga...
01/31/2006
6308621Roller bearing lubrication system and method
The bearing lubrication system for a cylinder in a printing machine pumps oil from the driving gear side to the roller bearing. The gear side has a gear box and an oil sump with a supply of lubricating oil. An oil loop connects the bearing housing with th...
10/30/2001
6177744Seal arrangement for an electric motor
A technique is provided for sealing a bearing cavity in a rotating machine such as an electric motor. The bearing cavity is defined by annular elements on either side of an antifriction bearing set. Seals are provided on the sides of the bearing cavity an...
01/23/2001
6172436Seal arrangement for an electric motor
A technique is provided for sealing a bearing cavity in a rotating machine such as an electric motor. The bearing cavity is defined by annular elements on either side of an antifriction bearing set. Seals are provided on the sides of the bearing cavity an...
01/09/2001
5735676Method and device for the autolubrication of the rolling bearings of turbomachines
A method and device for the autolubrication of the rolling bearings of turbomachines. The method and device utilize pressure differences present in the turbomachine for sucking in the lubricating oil. Moreover, a pressure is built up in centrifuges arrang...
04/07/1998
5722778Bearing device for vertical rotating machine
A bearing device for supporting a rotating shaft substantially arranged in a vertical direction in a vertical rotation machine is disclosed. The bearing device enables the vertical rotation machine to operate in a stable and contamination-free condition b...
03/03/1998
5711615Antifriction bearing
The present invention relates to an antifriction bearing with an external lubricant supply system, which includes a lubricant duct which extends through the outer ring or inner ring of the bearing, and which terminates in the direct vicinity of the rollin...
01/27/1998
5628248Fluid control system for rotating shaft or flywheel
A fluid control system for a rotating shaft which provides a seal to limit fluid leakage from around the shaft and which vacuums away any fluid leaking past the provided seal. The fluid control system may be installed around a rotating shaft such as a fly...
05/13/1997
5584359Detachable wheel bearing lubricator
A detectable wheel bearing lubricator for lubricating bearings in a wheel hub that includes an adapter for securely coupling to a wheel hub at one end and a lubrication assembly that is releasably coupled to the other end of the adapter thereby facilitati...
12/17/1996
5484212Method of lubricating printing cyclinder bearings
A method of lubricating a bearing (58) in a printing unit (14) includes the step of directing a quantity of grease into the bearing (58), and the step of directing pressurized air into contact with the grease. The bearing (58) supports a printing cylinder...
01/16/1996
5423399Gas pressurized oil replenishment system for bearing assemblies
A system is disclosed for supplying a lubricant to a bearing assembly, such as that in a gyroscope of a spacecraft. The system includes a housing which is connected to the bearing assembly and which forms a pressurized chamber. A collapsible member, such ...
06/13/1995
5322373Vented, oil bath lubricated bearing structure for a motor
A venting system is disclosed in connection with a high speed electric motor having oil bath lubricated ball bearings. The bracket and cap which enclose the bearing define mating passageways which, in combination upon assembly, lead from inside the inboar...
06/21/1994
5312192Bearing lubricating structure for rotary machinery
A bearing lubricating structure for rotary machinery having a rotor rotatably supported by a bearing in a casing, an oil reservoir provided in a lower part of a bearing chamber accommodating the bearing, and an oil disk attached to an end of a rotating sh...
05/17/1994
5303800Closed lubrication system for wheel hub bearings
A lubricator for the bearings of a wheel hub that includes a bellows for accommodating changes in pressure in the wheel hub and utilizes a nongrease lubricant. Methods of manufacturing the lubricator and of lubricating wheel bearings are also provided....
04/19/1994
5178233Continuous lubrication method and apparatus
A method and apparatus for applying continuous uniform pressure to lubricant within a lubricant reservoir are disclosed. Memory retentive material, when inserted within a lubricant reservoir, compresses when initially subjected to lubricant pressure and l...
01/12/1993
5150975Compact self-lubricating bearing system
The bearing lubricating system comprises a casing having a bore which defines a reservoir and a well sized to receive a sufficient volume of a suitable liquid lubricant. A return passage in the casing allows fluid flow from the well to the reservoir. A sh...
09/29/1992
5129733Device for preloading a guided machine part
The invention contemplates use of a suction bell to enhance the loading with which a guided machine part is gravitationally supported on its guide. In application to a machine in which the machine part is movably supported on air bearings, the suction bel...
07/14/1992
5116145Roller bearing containing a lubrication pump
Roller bearing for a shaft or similar, containing an inner race and outer race between which one or more rows of rollers are mounted and whereby lubricant can be applied between the rollers and races, characterized by the fact that the roller bearing (3) ...
05/26/1992
4942944Screw pump for lubricating generator bearing
Apparatus to lubricate generator bearings with an oil-air mist is disclosed. A screw pump, preferably an assembly of components comprising a ring, a teflon seal, a pump rotor and a hub is secured onto a rotor shaft of a generator for rotation therewith. T...
07/24/1990
4836334Lubricating device
A device for supplying a lubricant to a mechanism, in particular a rolling bearing, comprising a container for holding a quantity of lubricant which at its lower edge is provided with a discharge channel for the lubricant and wherein a spring-loaded pisto...
06/06/1989
4822182Rotary motion driving apparatus
A rotary motion driving apparatus includes a gas bearing assembly for supporting a rotatable shaft and is usable in any ambience such as a vacuum ambience. The rotatable shaft has two flange-like collar portions formed on the opposite ends of the rotatabl...
04/18/1989
4758100Automatic lubricant metering apparatus
An automatic lubricant metering device consists essentially of a housing (4), from inside of which a piston (5) is conveying a lubricant (15) through a feeder line (12) to the lubricating location (2) of a revolving shaft (1). The automatic feature consis...
07/19/1988
4749283Static pressure bearing
A static pressure bearing device for relatively supporting, in an ambience, an object for relative movement, comprising a fluid supplying portion for supplying a fluid to at least a portion of a surface of the object, and a suction pump for drawing the fl...
06/07/1988
4715234Self-cleaning and self-lubricating fluid flowmeter
A self-cleaning and self-lubricating fluid flowmeter comprising a tubular body forming an internal flow passage with a bearing support hub immovably positioned therein and forming a bearing receptacle. A rotor shaft extends into the bearing receptacle and...
12/29/1987
4596054Pressure sealing bearing assembly for use in environmental control suits and environmental suits containing such bearing assemblies
A bearing assembly for sealing the relatively rotatable adjoining portions of a pressurized environmental control suit for human use utilizes a pair of rotatable bearing members with an annular sealing member having a body portion and a lip portion extend...
06/24/1986
4596476Lubricating system for shaft bearings
The thrust bearing for the shaft of a boiler feed pump in a nuclear reactor plant is cooled by a first stream of lubricant which is drawn from a sump by an impeller receiving motion from the shaft. The first stream constitutes one branch of a larger secon...
06/24/1986
4571097Tapered roller bearing with pressurized rib ring
A tapered roller bearing has a rib ring against which the large ends of the tapered rollers for the bearing bear to prevent those rollers from being expelled from the annular space between the tapered raceways. The rib ring includes a porous, yet rigid, c...
02/18/1986
4527911Lubrication system
An oil transfer tube for a gas turbine engine lubrication system is fabricated with radial and axial passageways so that it permits oil to feed the bearing's fluid damper and distributes oil to the bearing itself. The transfer tube is easily removable wit...
07/09/1985
4491374Screw pump lubrication system
This invention relates to a self-priming screw pump lubrication system. The system 10 includes a central feed tube which communicates at one end with lubricant in a reservoir or sump and at the other end to the central region of an assembly that includes ...
01/01/1985
4410220Gas lubricated ball bearing
Lubrication gas for a steel ball is delivered to the ball by a gas distribution manifold ring that surrounds an upper portion of the ball. Such ring presents an annular seat directed towards the ball and includes gas delivery orifices directed to discharg...
10/18/1983
4353606Mounting for a driven wheel
The invention relates to the mounting of a driven wheel having a shaft on antifriction bearings, and spring rings retaining the latter, in bushings of a crane....
10/12/1982
4116505Bearing for a shaft of an open-end spinning rotor
Open-end spinning machine apparatus is provided which includes a spinning shaft with a spinning rotor at one end and a driving whorl at the other. A bearing assembly is provided including two sets of roller bearings spaced axially from one another and in ...
09/26/1978
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