| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 384397000 | For rotary shaft | 36 |
| 20090257695 | SLIDING BEARING FOR INTERNAL COMBUSTION ENGINES - Disclosed is a sliding bearing consisting of a pair of semi-cylindrical bearings assembled with each other so as to form a cylindrical configuration. At least one of the semi-cylindrical bearings is provided with a circumferentially extending oil groove on an inner surface thereof. The oil groove includes a central portion of a circumferential length of the semi-cylindrical bearing. A bottom surface of the oil groove has an ups and downs form consisting of a plurality of ridges and a plurality of roots, which undulate consecutively without a flat portion. The dimensional relationship between an optional ridge out of the plurality of ridges and the roots positioned adjacent to the optional root is defined by the formula h<0.15H where H indicates a groove depth defined by the inner surface of the semi-cylindrical bearing, namely a bearing sliding surface, and a depth of the roots, and h indicates an elevation difference of the ups and downs of the bottom surface, namely a height of the ridges. The height h of the ridges is preferably not less than 10 μm. | 10-15-2009 |
| 20100119182 | BEARING METAL - A bearing metal | 05-13-2010 |
| 20110026863 | ROTARY SHAFT ASSEMBLY - A rotary shaft assembly includes: a rotary shaft having an insertion end portion that is disposed co-axially in a hollow base, and rotatable relative to the base; a bearing sleeved on the insertion end portion of the rotary shaft, and partitioning an inner receiving space in the base into a lower oil-storage portion and an upper oil-flow portion; and a stirring member mounted on one end of the insertion end portion and co-rotatable with the rotary shaft. When the rotary shaft rotates, the stirring member stirs lubricating oil in the lower oil-storage portion to urge flow of the lubricating oil from the lower oil-storage portion through a first oil passage unit in one of the base and the bearing, through the upper oil-flow portion and through a second oil passage unit between the bearing and the insertion end portion of the rotary shaft, and back into the lower oil-storage portion. | 02-03-2011 |
| 20110142387 | SINTERED BEARING AND MANUFACTURING METHOD FOR THE SAME - Impregnation of a resin into a sintered body ( | 06-16-2011 |
| 20110235955 | SLIDING BEARING AND SLIDING BEARING ASSEMBLY - The present invention relates to a sliding bearing including a lubricating oil storing unit storing lubricating oil on the surface thereof and the sliding bearing of the present invention is provided so that the volume of the lubricating oil storing unit occupies 5 to 30 volume % of the entire volume of the sliding bearing. | 09-29-2011 |
| 20110299803 | WASHER AND MOTOR BEARING SYSTEM COMPRISING THE SAME - A washer, including a central axial hole, a first oil retainer, and at least one oil-storage groove. The central axial hole allows a motor shaft to pass therethrough. The first oil retainer is formed on one side of the washer. The oil-storage groove is disposed on the surface of the first oil retainer. | 12-08-2011 |
| 20110305410 | HALF BEARING - A half bearing for a crankshaft of an internal combustion engine, which includes crush relieves at both circumferential end portions of an inner circumferential surface of the half bearing, is provided. The half bearing further includes an axial groove at least at a position adjacent to a crush relief on a rear side of a relative rotation direction of the crankshaft, and adjacent to the inner circumferential surface of the half bearing. The axial groove extends along an entire width of the inner circumferential surface of the half bearing. | 12-15-2011 |
| 20120020601 | WASHER AND MOTOR BEARING SYSTEM COMPRISING THE SAME - A washer, including a central axial hole, a first oil retainer, a second oil retainer, and a transition groove. The central axial hole allows a motor shaft to pass therethrough. The first oil retainer and the second oil retainer are formed on the washer. The transition groove is disposed between the first oil retainer and the second oil retainer. | 01-26-2012 |
| 20120039552 | SINTERED METAL BEARING, SHAFT MEMBER FOR A PLAIN BEARING UNIT, AND PLAIN BEARING UNIT PROVIDED WITH SAID SHAFT MEMBER - A sintered metal bearing includes: a sintered-metal bearing body formed of a metal different from a metal of a shaft and including a large number of inner pores; and a resin film formed on predetermined parts of a surface of the sintered-metal bearing body and forming a sliding surface. The resin film is formed so that surface openings communicating to the inner pores are kept opened, and resin-film parts adhere to a surface of the shaft. Further, a shaft member used for a sliding bearing unit is incorporated in a sintered-metal sliding bearing including copper mainly or copper and iron, the shaft member including a sliding surface. The shaft member includes: a metal shaft body; and a resin film formed on predetermined parts of a surface of the metal shaft body and forming the sliding surface. The resin film is made of a resin excellent in adhering properties. | 02-16-2012 |
| 20120082406 | HYBRID LUBRICATING MODULE - A hybrid lubricating module includes a housing and an assembly which consists of at least two elements and has an axial hole run through by a shaft. At least one of the elements has one set of multiple notches on one end surface communicating with the axle hole. The housing has a through axial cavity to encase the assembly. The outer wall surface of the assembly and the inner wall surface of the housing are assembled to each other to form at least one storage chamber to store lubricating media. The multiple notches on at least one adjacent element form at least one set of fine flow passages communicating with the axial hole and the storage chamber. | 04-05-2012 |
| 20120087609 | HEAVY LOAD BEARING - A heavy load bearing includes a casing and assembly having at least two units and an axial hole run-through by a shaft. Each unit has a mounting portion on the circumferential outer surface, two connection portions at two ends, an axle hole, and at least one groove indented axially from the connection portion and formed between an outer wall near the mounting portion and an inner wall near the axle hole. At least one set of multiple notches is formed annularly on a free end of the inner wall and communicating with the groove and axle hole. The casing has an axial cavity to hold the assembly. Two abutting units are coupled to form at least one storage chamber to store lubricating media. The notches of the two abutting units form at least one set of multiple fine flow passages communicating with the axial hole and storage chamber. | 04-12-2012 |
| 20120093451 | HIGH SPEED BEARING - A high speed bearing includes a housing and an assembly having at least two elements. Each element has an axle hole to form an axial hole of the assembly run through by a shaft. At least one element has at least one set of multiple notches formed thereon directing towards at least one of two ends thereof to communicate with the axle hole, and at least one groove with a vent formed on the wall surface of the axle hole directing towards the notches. The groove has at least one set of multiple recesses formed thereon. The housing has a through axial cavity to house the assembly. The assembly has at least one storage chamber to store lubricating media. The notches on at least one set of adjacent elements form at least one set of multiple fine flow passages communicating with the storage chamber and axial hole. | 04-19-2012 |
| 20120128286 | BEARING APPARATUS - A sliding bearing | 05-24-2012 |
| 20120237149 | BEARING STRUCTURE OF TURBOCHARGER - A turbocharger is provided with a rotor shaft, a bearing housing in which a bearing hole is formed, and a bearing member of the semi-floating type arranged in the bearing hole and supporting the rotor shaft in a rotatable state. The bearing member has a first bearing portion and a second bearing portion spaced at a predetermined interval in the axial direction of the rotor shaft, in its inner periphery. A region between the first bearing portion and the second bearing portion in the inner periphery of the bearing member, and an outer periphery of the rotor shaft constitute an oil passage for supply of lubricant oil to inside surfaces of the first and second bearing portions. Oil grooves to suppress the whirl vibration are formed in each of the inside surfaces of the first and second bearing portions. The oil grooves are closed in part. | 09-20-2012 |
| 20120275734 | UPPER RUDDER CARRIER BEARING - An upper rudder carrier bearing for a ship which has a bearing housing formed of a housing base body and a housing cover. An axial and a radial bearing are disposed in the bearing housing, which are both configured as plain bearings. The axial and/or the radial bearing is configured as a self-lubricating bearing. | 11-01-2012 |
| 20120328224 | SLIDING BEARING AND SLIDING BEARING ASSEMBLY - The present invention relates to a sliding bearing, and more particularly, a sliding bearing having an improved lubricant property by having a lubricant storage on the inner circumferential surface and the outer circumferential surface. The sliding bearing according to the present invention is advantageous to be used particularly under the conditions of the surface pressure of 100 to 1000 kg/cm | 12-27-2012 |
| 20130058605 | HIGH-STRENGTH BRASS ALLOY FOR SLIDING MEMBER, AND SLIDING MEMBER - High-strength brass alloy having superior wear maintains single-structure β phase and Fe—Cr—Si-based intermetallic compounds dispersed in the β phase. A high-strength brass alloy for sliding member comprises Zn from 17% to 28% Al from 3% to 10%, Fe from 1% to 4%, Cr from 0.1% to 4%, Si from 0.5% to 3%, mass ratio, and the remnant including Cu and inevitable impurities. The high-strength brass alloy has structure in which the matrix shows single-phase structure of β phase and Fe—Cr—Si-based intermetallic compounds are dispersed in the β phase. The high-strength brass alloy for sliding member has the structure in which the matrix shows single-structure of β phase and hard Fe—Cr—Si-based intermetallic compounds are dispersed in the β phase. Thus the hardness is increased and wear resistance is improved. | 03-07-2013 |
| 20130156358 | MAIN BEARING FOR CRANKSHAFT OF INTERNAL COMBUSTION ENGINE - A main bearing for a crankshaft of an internal combustion engine comprises a pair of semi-cylindrical bearings. An oil groove extends on an inner circumferential surface of one semi-cylindrical bearing in a circumferential direction so that the center thereof in an axial direction aligns with that of an inlet opening of a lubricating oil path in a journal section of the crankshaft. The oil groove does not extend up to an axial direction groove formed at a joint portion of the semi-cylindrical bearings so that a separation inner circumferential surface extends between a circumferential direction end portion of the oil groove and the axial direction groove. The length of the separation inner circumferential surface is smaller than that of the inlet opening in the circumferential direction. | 06-20-2013 |
| 20130177268 | Miniature Lubricating Assembly - A miniature lubricating assembly is formed by coupling at least two units together in an axially abutting manner. Each unit has two connection portions on two opposite ends and a mounting portion on a largest outer peripheral surface. The connection portions between two adjacent units form a pair of interfaces with complementary shapes so as to couple tightly with each other. The mounting portion is securely encased in an inner wall surface of a chamber located at each end of a motor housing. At least one groove and a plurality of notches formed on at least one of the connection portions between two adjacent units. The notches communicate with the groove and an axle hole. In the assembly, the groove forms at least one storage chamber to store lubricating media, and the notches form at least one set of passages communicating with the storage chamber and an axial hole. | 07-11-2013 |
| 20130182981 | MAIN BEARING FOR CRANKSHAFT OF INTERNAL COMBUSTION ENGINE - A main bearing for a crankshaft of an internal combustion engine is composed of a pair of semi-cylindrical bearings. An oil groove extending in a circumferential direction is formed on an inner circumferential surface of one semi-cylindrical bearing. The oil groove has the depth gradually decreasing toward a circumferential end surface of the one semi-cylindrical bearing, and defines a circumferential end portion on the circumferential surface without extending to an axial groove formed in a joint portion of the pair of semi-cylindrical bearings. An extension portion of the inner circumferential surface extends between the circumferential end portion and the axial groove, and a plurality of circumferential grooves extending in the circumferential direction is formed on the extension portion from the oil groove to the axial groove over an entire width of the circumferential end portion of the oil groove. | 07-18-2013 |
| 20130251294 | BEARING APPARATUS FOR CRANKSHAFT OF INTERNAL COMBUSTION ENGINE - A bearing apparatus for a crankshaft of an internal combustion engine having a main bearing and a connecting rod bearing is provided. The main bearing comprises a pair of semi-cylindrical bearings, only one of which has an oil groove extending in a circumferential direction on an inner circumferential surface thereof. The oil groove is separated from an axial groove formed at a joint portion of the semi-cylindrical bearings by a separation inner circumferential surface of which a length L | 09-26-2013 |
| 20130301963 | AUTOMOTIVE POWERTRAIN COMPONENT AND BEARING WITH MICROPORES, AND METHOD THEREOF - One embodiment includes an automotive powertrain component and a bearing. The automotive powertrain component has a first surface and moves during use thereof. The bearing assists movement of the automotive powertrain component and has a second surface that opposes the first surface of the automotive powertrain component. Multiple micropores are located on a portion or more of the first surface, of the second surface, or of both the first and second surfaces. The micropores retain lubricant therein. In use, the lubricant can be lifted above respective openings of the micropores and into a space located between the first and second surfaces. | 11-14-2013 |
| 20130315519 | PROCESS FOR MANUFACTURING SINTERED SLIDING BEARINGS - The present invention provides a process for manufacturing sintered sliding bearings by means of a powder metallurgy process. | 11-28-2013 |
| 20130336607 | SLIDING BEARING - It is an object of the present invention to provide a sliding bearing which has a simple construction and thus can be produced easily and at a low cost and yet eliminates the need for the use of a heat insulation sleeve and the like and is capable of maintaining a frictional torque to a low extent. A sliding bearing ( | 12-19-2013 |
| 20130343683 | BEARING STRUCTURE FOR INTERNAL COMBUSTION ENGINE - When temperature of lubricating oil is raised at a time of low-temperature, of an outer peripheral side of a radial plain bearing in a bearing retaining unit, heat is not supplied from a heating medium in a thermal medium flow path on the outer peripheral side of a halved bearing metal in a bearing retaining unit body, which has a large thermal capacity, and instead, heat is supplied from the heating medium in the thermal medium flow path on the outer peripheral side of a halved bearing metal in the cap, which has a small thermal capacity. | 12-26-2013 |
| 20140037236 | SLIDE BEARING - A slide bearing for an internal combustion engine includes a metal layer having an inner peripheral surface formed to extend along at least a part of a cylindrical shape, and a resin coating layer formed on the inner peripheral surface of the metal layer. The inner peripheral surface of the metal layer has annular or helical groove sections that extend in a generally circumferential direction of a cylindrical shape such that the inner peripheral surface has protrusion sections, which are arranged adjacent to each other in an axial direction of the cylindrical shape and which extend in the generally circumferential direction. The resin coating layer is formed to match shapes of the groove sections and the protrusion sections. t and Rpk satisfy the following relations: 1.0 μm≦t≦5.0 μm; and 0.06≦Rpk/t≦5.04, where t is an average coating thickness of the resin coating layer at positions different from crests of the protrusion sections; and Rpk is a reduced peak height of the resin coating layer. | 02-06-2014 |
| 20140037237 | QUICK CHANGE BEARING HOLDER APPARATUS FOR A ROTATING SHAFT - A quick change bearing holder apparatus for a rotating shaft including a shaft housing, a conical bearing holder and a bearing retainer element. The shaft housing has a conical socket. The conical bearing holder has an outer conical surface compatible with the conical socket of the shaft housing. The bearing retainer element mounts to the shaft housing to urge the bearing holder into the conical socket of the shaft housing. Lubrication feed lines and openings and drain lines and openings may be included in the shaft housing and conical bearing holder. Lubrication may further be facilitated using circumferential grooves in the shaft housing or the conical bearing holder. The outer conical surface of the conical bearing holder may have a taper angle that forms a self ejecting taper. | 02-06-2014 |
| 20140126847 | BEARING ARRANGEMENT - A bearing arrangement comprising a bearing shell, and a bearing shell receiving element, wherein the bearing shell is cylindrical or part-cylindrical and has a circumferential oil supply slot, and the bearing shell receiving element has an oil supply channel located in correspondence with the oil supply slot. | 05-08-2014 |
| 20140147067 | BEARING MODULE FOR MOTOR - Disclosed herein is a bearing module for a motor that rotatably supports a rotational shaft and is sintered and molded, including: an upper bearing; and a lower bearing coupled to the upper bearing, wherein an oil receiving portion is formed in at least one of the upper bearing and the lower bearing. | 05-29-2014 |
| 20140147068 | SLOTTED BUSHING FOR TRANSFERRING LUBRICATION - The present disclosure provides a bushing for promoting fluid transfer between a first body and a second body. The bushing includes a cylindrical sleeve including an inner surface and an outer surface. A groove is formed in the inner surface and defined by a first wall and a second wall. A plurality of openings is defined in the groove, such that the plurality of openings is radially spaced from one another. | 05-29-2014 |
| 20140169713 | SLIDING BEARING HAVING SELF-LUBRICATING LINER - A sliding bearing having a metallic outer ring and a self-lubricating liner formed on the inner circumferential surface of the outer ring. The self-lubricating liner has a self-lubricating resin composition consisting of a mixture of 60 to 80% by weight of polyetherketone-based resin, 10 to 30% by weight of polytetrafluoroethylene, 5 to 15% by weight of carbon fiber, and not more than 15% by weight of aramid fiber, a total amount of the carbon fiber and the aramid fiber being 10 to 25% by weight. The inner circumferential surface of the outer ring has a surface roughness in terms of center line average roughness not less than R | 06-19-2014 |
| 20150308494 | EXHAUST GAS TURBOCHARGER WITH A ROTOR - An exhaust gas turbocharger may include a bearing housing and a rotor. The rotor may have a shaft mounted in the bearing housing via two radial bearing bushes. Each radial bearing bush may have an inner surface facing the shaft. The inner surface may have a single chamfer, where the single chamfers of the two radial bearing bushes face one another, or two chamfers, where one of the two chamfers for each of the two radial bearing bushes facing one another are larger than the other of the two chamfers for each of the two radial bearing bushes facing away from one another. | 10-29-2015 |
| 384398000 | Forced feed | 1 |
| 20100135603 | BEARING SHELL AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a bearing shell comprising a first exposed region and a second exposed region, said two exposed regions being formed on the inner surface of the two bearing shell ends. The oil grooves arranged in the two exposed regions are inclined in relation to the central line of the bearing shell, in the direction of flow of the lubricating oil. In this way, the lubricating oil is prevented from escaping in the axial direction in the exposed regions. The invention also relates to a method for producing such bearing shells. | 06-03-2010 |
| 384400000 | Reservoir external to bearing | 1 |
| 20140050430 | BEARING AND LUBRICATION SYSTEM USED THEREWITH - A bearing includes an outer ring ( | 02-20-2014 |
| 384415000 | For vertical shaft | 2 |
| 20090263060 | Spindle bearing for a double-thread twisting spindle - A spindle bearing for a two-for-one twisting spindle, with a spindle rotor having a thread guide body and a spindle shaft rotatablv mounted in a vertical arrangement by a lower bearing device in a bearing housing which can be fastened to a spindle bank and which has an upper bearing device for mounting a protective pot. A lubricant duct extends from the top through the thread guide body at least approximately parallel to the rotational axis of the spindle shaft and opens into the lower bearing device. | 10-22-2009 |
| 20100266230 | ROTATING DEVICE INCLUDING A ROTATING SHAFT AND A SELF-LUBRICATING BEARING - A rotating device includes a rotating shaft rotatable in a rotational direction, and a self-lubricating bearing having an inner peripheral surface formed with a plurality of inclined ditches. Each of the inclined ditches has top and bottom ends, and extends downwardly from the top end to the bottom end in a direction corresponding to the rotational direction. The inner peripheral surface of the bearing has two outwardly diverging ends for preventing splashing of the lubricating oil from the top and bottom ends of the inclined ditches during rotation of the rotating shaft. | 10-21-2010 |
