U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 384/279 - Porous metal


Subclass of Class 384 - Bearings
Definition: Subject matter wherein either the sleeve, liner, or a support
No. of applications: 36
Last issue date: 05/03/2012


Application No.Application TitleIssue Date
20120106881GREASE FOR SLIDE BEARING
Grease for a slide bearing, which can suppress unusual noise attributable to a slip caused between a shaft and a bearing when a machine is stopped. In slide bearing grease 24 supplied to between a slide bearing 16 formed of a porous sintered alloy-made bus...
05/03/2012
20120070109BUSH BEARING
A bush bearing (1) is a wrapped bush bearing which has a cylindrical inner peripheral surface (2) serving as a sliding surface as well as an outer peripheral surface (3), and whose abutting faces (4) are abutted against each other. The outer ...
03/22/2012
20110306429GREASE COMPOSITION, GREASE-PACKED BEARING, UNIVERSAL JOINT FOR PROPELLER SHAFT, LUBRICATING OIL COMPOSITION, AND OIL-IMPREGNATED SINTERED BEARING
The present invention provides a grease composition or a lubricating oil composition which is capable of effectively preventing hydrogen brittleness-caused peeling from occurring on a rolling surface of a rolling bearing, is excellent in durability in a high temperature...
12/15/2011
20110249923SINTERED BUSH
Provided is a sintered bush including a porous metallic sintered body including: a iron (Fe) based matrix containing a martensite structure; and one or more kind of metal matrix selected from copper (Cu), tin (Sn), and nickel (Ni), in which a lubricant which has oil sep...
10/13/2011
20110057527HYDRODYNAMIC TYPE OIL-IMPREGNATED SINTERED BEARING
A hydrodynamic type oil-impregnated sintered bearing includes a porous bearing body of sintered metal having a bearing surface in which hydrodynamic pressure generating grooves slating against an axial direction are provided. Lubricating oil or the base oil of lubricati...
03/10/2011
20100183254COMPONENT FOR THE SLIDING SUPPORT OF ANOTHER COMPONENT, AND PROCESS FOR PRODUCING IT
The invention relates to a component that is suitable for use as a sliding bearing. The invention further relates to a method for the production of said component. The design of the component according to the invention provides a layer of a light metal material (13
07/22/2010
20100086426SLIDING MEMBER AND FLUIDIC MACHINE UTILIZING THE SAME
A sliding member has a porous sintered base and a resin composition. The porous sintered base is constructed of a porous sintered compact. The resin composition is coated onto the surface of the porous sintered base. The resin composition has a maximum resin layer thick...
04/08/2010
20090274403Bearing Having Improved Consume Resistivity and Manufacturing Method Thereof
Disclosed is a composition for a bush-type bearing, a bush-type bearing manufactured using the composition, and a method of manufacturing the bush-type bearing. The bearing has excellent friction characteristics with a shaft made of iron (Fe) based material, and thus is...
11/05/2009
20090142010SINTERED METAL MATERIAL, SINTERED OIL-IMPREGNATED BEARING FORMED OF THE METAL MATERIAL, AND FLUID LUBRICATION BEARING DEVICE
Provided are a sintered metal material improved in sliding property and wear resistance with respect to an associated sliding member to be supported, and a sintered oil-impregnated bearing formed of this metal material. A bearing sleeve is formed by compacting a mixed m...
06/04/2009
20090116773METAL BEARING
A metal bearing having a long operating life that is not affected by the operating temperature. The metal bearing includes a bearing surface capable of slidably contacting with a shaft member, including pores in a surface and interior thereof, and being composed of a si...
05/07/2009
20090035158COOLING FAN
A cooling fan includes a fan housing (10) having a central tube (18) extending upwardly therein. A sleeve bearing (40) is received in the central tube. A stator (20) is mounted around the central tube. A rotor (30) has a shaft (36
02/05/2009
20090010579AEROSTATIC BEARING SPINDLE SYSTEM USING UNIDIRECTIONAL POROUS METAL
Provided is an aerostatic bearing spindle system using a unidirectional porous metal. The aerostatic bearing spindle system using a unidirectional porous metal may be used to serve as bearings in a region is in contact with the unidirectional porous metals when the unid...
01/08/2009
20080199115Oil Impregnated Sintered Bearing and Manufacturing Method Thereof
There is provided an oil-impregnated sintered bearing which enable to prevent oil leakage from an outer peripheral surface 7 of an bearing body 2. The oil-impregnated sintered bearing 1 includes a bearing body 2 which is made of a porous sint...
08/21/2008
20080144984POROUS PLAIN BEARING WITH CONTINUOUS VARIATION OF THE BOREHOLE COMPRESSION
The invention pertains to a plain porous bearing for motors and transmissions with a circular bearing bore that displays, distributed alternatingly across the bearing bore, highly compressed at least approximately closed-pore areas and slightly compressed, open-pore are...
06/19/2008
20080002924Oil-retaining bearing
An oil-retaining bearing comprising a center sintered part having a shaft hole, for rotatably supporting a motor shaft, at the outer circumference side of which an auxiliary sintered part is integrally provided, wherein the auxiliary sintered part is provided with a fla...
01/03/2008
20070269151Lubricated metal bearing material
A method of forming a bearing coating includes the steps of depositing a porous layer on a substrate and depositing a lubricating material within pores of the porous layer. The porous layer and the lubricating material form a bearing coating on the substrate. The bearin...
11/22/2007
20070242910Grease For Slide Bearing
Grease for a slide bearing, which can suppress unusual noise attributable to a slip caused between a shaft and a bearing when a machine is stopped.

In slide bearing grease 24 supplied to between a slide bearing 16 formed of a...

10/18/2007
20070242911Bearing mechanism and spindle motor having the same
A bearing mechanism having a sleeve including at an inner circumferential surface thereof a first bearing surface and a relief portion including a diameter greater than that of the first bearing surface is used in a spindle motor. An axial length of the first bearing su...
10/18/2007
20070177833High-accuracy sliding bearing
The present invention provides a high-accuracy sliding bearing which eliminates the need for treating a gate mark, has a high accuracy, is excellent in its mechanical strength, and is in its productivity. A sintered metal (2) is used as a bearing peripheral part....
08/02/2007
20070140609Slide bearing
A sintered slide bearing for a shaft of an electrical machine has a bore for the shaft and also has capillary gaps. It is saturated with a lubricant. The surface region of the bore has zones of different density, which are saturated with a low-viscosity poly-alpha-olefi...
06/21/2007
20070047857Sleeve for hydrodynamic bearing device, hydrodynamic bearing device and spindle motor using the same, and method for manufacturing sleeve
A bearing stiffness of a sintered metal sleeve is prevented from lowering. A sleeve includes an inner section formed of metal powder for sintering and a resin for impregnation, and a surface deformation section which covers a surface of the inner section and is formed b...
03/01/2007
20070041672Oil-impregnated sintered bearing and method of producing the same
An oil-impregnated sintered which does not damage rotating shaft and itself and has a high durability even in the case that the rotating shaft is inclined in the bearing by a large shear load applied thereto, and a method of manufacturing an oil-impregnated sintered bea...
02/22/2007
20070037715LUBRICATING OIL COMPOSITION AND OIL-IMPREGNATED BEARING USING THE SAME
A lubricating oil composition contains: an ester as a base oil formed from a dibasic acid having a carbon number of 9 to 12 and a primary alcohol having a side chain and a carbon number of 8 to 13; and an alkyl(metha)acrylate polymer having an SP (solubility parameter) ...
02/15/2007
20060284503OIL RETAINING AND LUBRICATING STRUCTURE OF A FAN
An oil retaining and lubricating structure of an electric fan is disclosed to include a hub having a center barrel and a receiving chamber defined in the center barrel, a shaft rotatably mounted in the center barrel of the hub, an axle bearing mounted in the receiving c...
12/21/2006
20060269179Oil-impregnated sintered bearing
An object of the present invention is to provide an oil-impregnated sintered sliding bearing which has a large amount of the lubricating oil as a bearing element which has long life, has a small amount of scattered and lost lubricating oil, has a simple structure, and t...
11/30/2006
20060171620Bearing unit
A bearing unit comprises a cylindrical oil-impregnated bearing, in which a bearing bore to support a turning shaft is formed so as to enable the turning shaft to turn; a bearing holder, in which the oil-impregnated bearing is fixed by an inner bore; a first groove being...
08/03/2006
20060093247Oil-impregnated sintered bearing
Disclosed is an oil-impregnated sintered bearing in which local relative sliding between the oil-impregnated sintered bearing and the shaft is avoided, thereby mitigating stress concentration on the bearing surface of the oil-impregnated sintered bearing. An oil-impregn...
05/04/2006
20060093246Sliding bearing assembly and sliding bearing
In a slide bearing assembly 12 comprising a shaft 22 and a bushing 16 which is made of a porous sintered material having a large number of pores 25, the bushing 16 is impregnated with a lubricant 24 containing 2.0 to 30 wt % of ...
05/04/2006
20060078242Porous plain bearing with continuous variation of the borehole compression
The invention pertains to a plain porous bearing for motors and transmissions with a circular bearing bore that displays, distributed alternatingly across the bearing bore, highly compressed at least approximately closed-pore areas and slightly compressed, open-pore are...
04/13/2006
20060039638Sintered oil-impregnated bearing and manufacturing method thereof
The disclosed invention provides a sintered oil-impregnated bearing equipped with a bearing hole having a clearance structure, in which a clearer boundary is formed between the bearing surface and the clearance surface, and a manufacturing method thereof. In a bearing h...
02/23/2006
20050265642Bearing and method of fabricating the same
A bearing used in small or mini-motor axis or driving shaft transmitted by the axis and a method of fabricating the same are disclosed. It is firstly obtaining a ceramic material, sintering the ceramic materials under high temperature to form a fine beads or powders, ad...
12/01/2005
20050238268Motor having a high carbon shaft and powder metal bearing and method of using and manufacturing thereof
A motor and method of manufacturing a motor having a steel shaft with a carbon content greater than or equal to about 0.4 percent by weight and a powder metal bearing coupled about the shaft. The invention also includes a method of using a motor having a non-hardened st...
10/27/2005
20050191000Bearing assembly with improved lubricating system
A bearing assembly includes a stationary member and rotary member (2) arranged pivotable relative to the stationary member, and a lubricating oil storage (3) attached to the rotary member. The rotary member is spaced from the stationary member with a dista...
09/01/2005
20050163408Bearing device
A bearing apparatus has a porous bush (9) impregnated with lubricant and a shaft (10) supported by the bush (9). The shaft (10) has a quench hardened section (10a) formed in the form of a projection, and an indentation (10
07/28/2005
20050078894Oil-impregnated sintered sliding bearing
An oil-impregnated sintered sliding bearing formed of a porous iron-based sintered alloy with quenched structure and receiving a high surface pressure capable of reducing the number of finishing steps by cutting and grinding and providing a bearing performance equivalen...
04/14/2005
20050069236Bearing structure of a motor
An oil retaining bearing that supports a shaft of a motor is engaged in a pocket of a casing for the motor. A bearing holder comprises a boss and an outer brim welded on the casing which surrounds the pocket, thereby preventing the oil retaining bearing from coming out ...
03/31/2005
 
Sign InRegister
Username  
Password   
forgot password?