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Class 29/898.1 - Lubricating


Subclass of Class 29 - Metal working
Definition: Process including a step of supplying lubricant to a bearing
No. of patents: 75
Last issue date: 04/12/2011


1    
NumberTitleIssue Date
7921565Working fluid injection apparatus, method of injecting working fluid, and method of manufacturing fluid dynamic pressure bearing
A working fluid injection apparatus has an upper chamber that stores a working fluid and a lower chamber that removably receives a bearing unit having a housing and a shaft that is inserted in the housing to form between the shaft and the housing a gap into which th...
04/12/2011
7882639Braze repair of shroud block seal teeth in a gas turbine engine
An undersize repair region of a gas turbine engine stationary shroud is repaired with a sufficient mass of a repair material. The repair region includes a protruding portion that is undersized, and the repair includes machining of the protruding portion, grooving th...
02/08/2011
7735227Method for providing a lubricating layer to a bearing
A method for forming a lubricating layer, comprising the steps of a process for inserting a bearing, which has a tubular-shaped retainer holding a plurality of rollers and inserted in an outer ring, in a forming die having an inner diameter greater than an outer dia...
06/15/2010
7500311Method of lubricating roller bearing
A bearing device includes: an inner ring member through which a shaft is passed and which is supported rotatably about an axis of the shaft and includes an inner ring raceway surface; an outer ring member arranged concentrically with the inner ring member and includ...
03/10/2009
7480996Truck pivot joint bearing and method of lubricating
A bearing assembly is disclosed having a pair of bearing members movable relative to one another. A space is defined between the bearing members, and a relatively thin coating of a greaseless, self-lubricating material is applied to the surface of at least one of th...
01/27/2009
7343682Technique for filling bearing clearance of fluid-dynamic-pressure bearing unit with oil
Fluid-dynamic-pressure bearing manufacturing method for more efficient and fail-safe degassing of bearing oil. Method makes it possible to prevent the generation of air bubbles in the course of an oil-charging operation that amounts to a step following degassing, an...
03/18/2008
7340834Method of lubricating bearings
A method of lubricating a wave bearing comprising application of an oil comprising a perfluoropolyether, derivatized perfluoropolyether, fluorosilicone, polychlorotrifluoroether, or polyphenyl ether, wherein the oil is capable of sustaining temperatures greater than...
03/11/2008
7275319Rolling element bearing having starved lubrication conditions
A rolling element bearing comprises an inner ring and an outer ring which are each provided with a raceway, and a series of rolling elements which are in contact with the raceways of each ring. A lubricant film is provided in the contacts between the rolling element...
10/02/2007
7246440Spindle motor and method of manufacturing the same
A spindle motor is formed so as to support a pivot of a rotor by a pair of open bearings. The open bearings thus constructed will be less expensive and simple structures, so that a manufacturing cost thereof is reduced compared to a conventional spindle motor...
07/24/2007
7155825Method of liquid withdrawal from a tool spindle
A method for withdrawing liquid from the liquid bearings of a spindle (1) carried in liquid bearings (3, 5) distinguished in that with the help of pressurized gas, the liquid, together with the gas, is forced to exit the spindle during the operation of...
01/02/2007
7115894Method to determine the lubricant filling degree of a fluid dynamic bearing
In order to improve a method to determine the lubricant filling degree of a fluid bearing in which the bearing gap of the fluid bearing is illuminated and the luminous reflectance is analyzed so that the filling degree can be determined in a simple and reproducible ...
10/03/2006
6915574Method of manufacturing variable vane seal and washer materials
A multi-layer seal and washer that provide a seal between a vane stem and a casing in a turbine engine are disclosed. The seal and washer are fabricated from materials such as Teflon fibers and glass fibers and are impregnated with a polyimide resin. The seal and wa...
07/12/2005
6736729Constant velocity joint and method of making same
A constant velocity joint wherein one or more of the outer ball tracks, the inner ball tracks, or the balls have textured surfaces such as dimples or raised ridges to increase lubrication of the joint and enhance performance characteristics. ...
05/18/2004
6694617Method of assembling a low cost fluid dynamic bearing motor
A method of assembling a motor comprising assembling the shaft and thrust plate to be used in the fluid dynamic bearing assembly, and at least partially inserting the combined shaft and thrust plate into a sleeve which is adapted to support a hub which in...
02/24/2004
6681490Axle hub re-packing apparatus
A method and apparatus for packing wheel bearings with grease. A frame is provided for supporting an axle assembly comprising an axle shaft with a wheel mounted on a wheel bearing at each end. A horizontally mounted ram and cylinder is mounted adjacent ea...
01/27/2004
6532665Method for expanding a cover plate
An assembly technique and device for enclosing an open end of a movable socket (10) comprised of fully hardened materials with an expanding cover-plate (66) and for controlling the expansion of the cover-plate (66) to provide a central orifice (67) of pre...
03/18/2003
6393818Rolled product for chain and method for producing same
A rolled product for a chain and a method for producing the rolled product are disclosed. Plural dimples are formed in a zigzag pattern in at least one of inner and outer peripheral surfaces of the rolled product, the dimples absorbing plastic deformation...
05/28/2002
6378209Method of producing fluid bearing device
In a dynamic pressure bearing device which has a shaft (3), a bearing (10) rotatable relative to the shaft (3), and capillary seal portions (13, 14) for holding a lubricating fluid (15) in a bearing clearance and in which the shaft (3) and the bearing (10...
04/30/2002
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
6016597Apparatus and method for retaining bearing cups on a universal joint during lubrication
An apparatus and method for retaining the bearing cups on the trunnions of a universal joint cross when supplying lubricant therein includes a body portion having a pair of end portions extending therefrom. An insert is preferably removably secured to eac...
01/25/2000
5867906Bushing construction for precision-fit pivot assemblies
A pivot assembly formed by driving an oversized pivot shaft through first and second self-lubricating flanged bushings. The bushing in the static part of the assembly has a smaller inside diameter than the bushing in the rotating part. Installation of the...
02/09/1999
5857318Transmitting chain
A transmitting chain is provided which can lower surface pressure between a bushing and a pin, which can well maintain a lubricating state, and which is high in durability so as to be capable of withstanding high load. A groove or a depression, into which...
01/12/1999
5778948Method for inserting a fluid in a bearing device
A method for inserting fluid in a bearing device containing a fixed member and a rotating member. The fixed member and the rotating member of the bearing device are assembled in a high pressure environment and subsequently placed in a low pressure environ...
07/14/1998
5768784Coating system and method for filling of a hydrodynamic bearing and a secondary seal structure made thereby
A coating system and method for facilitating the cleaning of hydrodynamic bearings and their associated structure is effectuated by applying a surface energy lowering coating to selected portions of the bearing other than the surface tension seal producin...
06/23/1998
5722167Method of setting a desired flow rate through a bearing
A bearing comprises an inner race, an outer race and rolling members interposed between the inner and outer races with a radial clearance c, greater or equal to zero, remaining. The bearing also comprises a partial sealing member attached to either the in...
03/03/1998
5697206Rolled part for chain and manufacturing method therefor
The present invention improves accuracy in the axial dimension of rolled parts for a chain such as bushings, rollers and similar. A rolled part is manufactured by cutting a strip of steel into a rectangular shape to obtain a rectangular base material havi...
12/16/1997
5689882Method of producing a rear wheel spindle
A method of producing a spindle that can be easily press fit into a knuckled suspension arm with high productivity. A round bar is forged by a header to form a work in process part which is, in turn, thermally refined. If necessary, shot blast and lubrica...
11/25/1997
5640769Method for producing a cage of the ball bearing
To provide a ball bearing that insures reasonable endurance and which reduces the necessary torque for rotation while causing less fluctuations in torque, a synthetic resin cage of the ball bearing for retaining a plurality of balls so as to roll freely i...
06/24/1997
5603154Process for improving the run-in characteristics of drives having sintered bearings
A process for improving the run-in characteristics of drives having sintered bearings. The drives are subject, prior to their operational usage in repeated cycles (I; II etc.), to a loading procedure exhibiting respectively a first load (M1), w...
02/18/1997
5586380Method for making mated molded parts assembly
A method for making mated molded parts in which the assembly has first and second parts with precisely mating surfaces. The first part is formed by molding, casting, or the like such that the mating surface of the first part is formed with at least one pr...
12/24/1996
5556351Differential apparatus
A differential apparatus includes a differential casing (21) rotated by an engine drive power; pinion gears (51, 53) slidably and rotatably accommodated in accommodating holes (47, 49) formed in the differential casing (21); a pair of side gears (31, 33) ...
09/17/1996
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
5373635Method of manufacturing a linear motion guide unit
A method of manufacturing a linear motion guide unit having a slider mounted to a rail. The rail includes a top surface, a bottom surface and a pair of side surfaces. A liner overlying the rail is press-formed against a core which is lager than a combinat...
12/20/1994
5364248Sliding member, a method for producing same, and usages of same
The object of the present invention is to provide sliding members having preferable lubrication and seizure resistance. Sliding members comprising a columnar texture which is composed from at least one of metal nitrides, metal oxides, metal carbides, and ...
11/15/1994
5309639Method of making a machine component with lubricated wear surface
A machine component has a wear surface along which excessive friction will develop unless the surface receives adequate lubrication. To provide lubrication for the wear surface in the absence of any other lubricating medium, the component is formed from p...
05/10/1994
5169240Proportioned piston ring seals
A squeeze film damper assembly includes a piston ring and groove seal combination. The piston ring is proportioned with respect to its groove to generate a pressure wave in an annular ring space which closely approximates the pressure generate in the annu...
12/08/1992
5106208Proportioned piston ring seals
A squeeze film damper assembly includes a piston ring and groove seal combination. The piston ring is proportioned with respect to its groove to generate a pressure wave in an annular ring space which closely approximates the pressure generate in the annu...
04/21/1992
5072510Electric motor lubrication
An electric motor lubrication system and a method of making the same are disclosed. The motor is a unit bearing motor with an oil reservoir at the bottom of a vertically disposed shaft. The motor rotor has a shaft jounaled in a bearing post on the frame, ...
12/17/1991
4936133Method for manufacturing an element having grooved trunnions and forming method for grooving the trunnions
The present invention is drawn to a method of manufacturing a tripod element of a homokinetic joint, and more particularly, to a method of forming grooves in the trunnions of a blank from which the tripod element is manufactured. The grooves are formed by...
06/26/1990
4926972Method of and apparatus for injecting liquid into boot for joint units
The diametrically larger end of a boot abutted on the open end of a joint unit on a vertical posture driving shaft is separated from the open end and held there while a liquid such as a grease is injected through the opening thus created. The end of the b...
05/22/1990
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