Entries |
Document | Title | Date |
20080253888 | COOLING FAN - A cooling fan includes a base ( | 10-16-2008 |
20080317594 | INSTALLING A SHAFT IN A BEARING COMPRISING A SELF-RELEASING NUT - The present invention relates to a gas turbine engine comprising a shaft, a bearing, a coupling supported by the bearing, the shaft being engaged by an end trunnion inside the coupling and fixed to the coupling by means of a cylindrical nut. The engine is characterized in that the nut is in axial abutment in a first direction against the coupling and the trunnion is screwed onto the nut, a slotted stop ring housed in an annular groove of the nut forms an axial abutment in the direction opposing the first direction, so as to allow the removal of the trunnion from the coupling by unscrewing the nut. | 12-25-2008 |
20090060737 | TURBOCHARGER - The invention relates to a turbocharger ( | 03-05-2009 |
20090081040 | Rolling bearing device and turbocharger incorporating same - A rolling bearing device includes a bearing housing supported on a casing of a turbocharger, and a pair of rolling bearings mounted within the bearing housing and rotatably supporting a turbine shaft. A middle position between the pair of rolling bearings in an axial direction and a central portion of the bearing housing in the axial direction are offset from each other in the axial direction. Each of the rolling bearings includes an inner ring, an outer ring, an intermediate ring interposed between the inner and outer rings, a row of rolling elements rollably interposed between the inner ring and the intermediate ring, and a row of rolling elements rollably interposed between the intermediate ring and the outer ring. The intermediate ring has a damper function to be very slightly displaced or very slightly deformed elastically so as to damp vibration produced during rotation of the turbine shaft. | 03-26-2009 |
20090092489 | Expansion turbine - An expansion turbine, exhibiting at least one turbine rotor that is mounted on an axial bearing, wherein an axial disk ( | 04-09-2009 |
20090155073 | SEALING THE FASTENING OF A BEARING SUPPORT IN A TURBOMACHINE - A turbomachine including a shaft guided in an upstream bearing and a downstream bearing, the upstream bearing being carried by a first annular support that is fastened by bolts to a casing via a second annular support that carries the downstream bearing, wherein the ends of the fastener bolts are covered by an annular cover sealingly fastened to the second support or to the casing. | 06-18-2009 |
20090220338 | Fluid Compressor with Aerostatic Bearing, Control System of a Compressor with Aerostatic Bearing and Method of Controlling a Compressor with Aerostatic Bearing - The present invention relates to a fluid compressor having an aerostatic bearing, to a control system of a fluid compressor having an aerostatic bearing as well as to a method of controlling a compressor, wherein the aerostatic bearing is fed by a compressed fluid accumulator ( | 09-03-2009 |
20090238689 | Shaft bearing assembly - A turbocharger shaft is supported for rotation about its axis in a bearing housing by a pair of floating ring bearings disposed between the shaft and the bearing housing. The floating ring bearings are penetrated in a substantially radial direction by a plurality of apertures to allow the passage of lubricating oil between inner and outer surfaces of the ring. The apertures are arranged at irregular angular intervals around the ring so as to prevent the generation of sub-synchronous vibrations that occur during rotation of the turbocharger shaft. This reduces turbocharger noise and increases life. | 09-24-2009 |
20090246018 | BEARING SUPPORT STRUCTURE AND GAS TURBINE - To provide a bearing support structure and a gas turbine that prevent damage of device induced by a rotor shaft when the rotor shaft is unbalanced, the bearing support structure and the gas turbine includes: a casing ( | 10-01-2009 |
20090252607 | FLUID PUMP AND METHOD FOR PRODUCING A FLUID PUMP - The invention relates to a fluid pump, in particular a liquid pump for a cooling and/or heating circuit of a motor vehicle, having a pump housing and having a rotationally fixed shaft, which is arranged in the pump housing, for an inner rotor which has an impeller wheel. According to the invention, it is proposed that the shaft is mounted at one side and, at its end remote from the bearing point, supports a bearing cap which engages at least partially around the shaft. The invention also relates to a method for producing a fluid pump of said type, in which method the shaft is fixed with its first end in a housing, in particular in a plastic housing, of the pump, the inner rotor of the pump is pushed onto the shaft and is secured axially by means of a bearing cap which is placed onto the shaft and is supported by the shaft. | 10-08-2009 |
20100014968 | Centering device - A gas turbine engine ( | 01-21-2010 |
20100034650 | CENTRIFUGAL PUMP - The invention relates to a centrifugal pump, in particular, a single stage or multi-stage side channel pump in a modular design, wherein the stage or every stage of the pump comprises a preferably divided modular housing with assigned centrifugal impellers, which are designed so as to be self-supporting; and, thus, a pump shaft, which is known in the prior art, is no longer necessary. | 02-11-2010 |
20100061851 | Secondary Air Charger - A secondary air charger has a bearing housing and a turbine shaft extending in an axial direction of the bearing housing. A first and a second rolling bearings are arranged in the bearing housing on bearings seats and support the turbine shaft rotatably in the bearing housing. The rolling bearings are positioned at an axial spacing relative to one another and each have an inner ring seated on the bearing seats. A spacer device for determining the axial spacing of the rolling bearings is arranged on the turbine shaft. The turbine shaft has a base member and at least one sleeve. The base member has a cylindrical section that is continuous in the axial direction, wherein the cylindrical section is provided in the area of the bearing seats. The at least one sleeve is pushed onto the cylindrical section for forming the spacer device between the bearing seats. | 03-11-2010 |
20100068053 | CONICAL PIN TO MAINTAIN BEARING SYSTEM - An exemplary locating mechanism for locating a turbine bearing in a bore of a housing includes a conical pin having a pin axis where the conical pin includes a conical wall portion and a pin portion to locate a turbine bearing; a ball; and a socket disposed in a housing and extending between an opening of the housing and a bore of the housing, the socket having a socket axis where the socket includes a cylindrical surface and a conical surface. According to such a mechanism, disposition of the conical pin in the socket seats the conical pin along the socket axis and against the conical surface and disposition of the ball in the socket seats the ball along the socket axis and against the cylindrical surface. Accordingly, alignment of the ball with respect to the conical pin allows for transmission of force from the ball to the conical pin along the pin axis. Various other exemplary technologies are also disclosed. | 03-18-2010 |
20100068054 | VACUUM PUMP - A vacuum pump comprises a housing, a drive shaft supported by a beating arrangement for rotation relative to the housing about an axis, and a pumping mechanism comprising a stator component mounted on the housing and a disk-shaped rotor component mounted on the drive shaft axially proximate the stator component. The bearing arrangement comprises a bearing supported in both radial and axial directions by a resilient support, comprising inner and outer annular portions connected by a plurality of flexible members, so that there is a fixed relation between the inner race of the bearing and the outer portion of the resilient support to determine the axial clearance between the rotor and stator components of the pumping mechanism. | 03-18-2010 |
20100074747 | MINI AXIAL FAN WITH AN IMPROVED CORE SHAFT STRUCTURE - A mini axial fan includes a fan housing and a fan unit, which is mounted in the fan housing. The fan unit has a hub with integrated blades around the periphery and integrated axles at front and back sides, and two metal pins respectively press-fitted into a respective blind hole in the free end of each of the axles for rotatably supporting the fan unit on a respective bearing in the fan housing. The fan unit is injection molded from plastics and then the metal pins are installed in the fan unit so that the precision of the metal pins is maintained and the manufacturing cost of the fan unit is reduced. | 03-25-2010 |
20100080700 | Two-shaft engine for an aircraft gas turbine - On a two-shaft engine for an aircraft gas-turbine with a central low-pressure shaft, with a high-pressure shaft co-axially surrounding the low-pressure shaft and with bearing units supporting the shafts on the engine casing, the bearing loads of the high-pressure shaft are directed upstream towards the fan and the bearing loads of the low-pressure shaft are directed downstream. In order to reduce axial bearing load of the high-pressure bearing unit, the oppositely directed bearing loads of the low-pressure shaft ( | 04-01-2010 |
20100080701 | PLAIN BEARING UNIT - A plain bearing unit is provided in which a sliding member made of thermoplastics having high recyclability and not containing solid lubricant provides low frictional coefficient and improves wear resistance even under circumstances where oil or grease cannot be used. | 04-01-2010 |
20100086403 | LUBRICATION OF WINDMILLING JOURNAL BEARINGS - A support shaft provides lubrication to a journal bearing during windmilling operation of a gear set. A primary oil pump provides oil from an oil supply during driven operation of the fan, and a secondary oil pump provides oil from an internal sump during windmilling operation of the fan. During driven operation of the fan, oil is pumped with the primary oil pump through a primary oil flow path to an outer surface of the support shaft. During windmilling fan operation, oil is pumped from an internal sump with a secondary oil pump through the secondary oil flow path. The secondary oil flow path has a smaller flow capacity, and the secondary oil pump is a smaller capacity pump. | 04-08-2010 |
20100092287 | PRESSURIZED SEALED CHAMBER BETWEEN MULTIPLE PRESSURIZED CASINGS OF MACHINE AND RELATED METHOD - A standard for supporting a bearing for a rotating shaft of a machine including a plurality of casings having different gas pressures greater than atmospheric pressure includes a sealed chamber for fluidly coupling to an end packing of a first casing and a second casing of the machine, the sealed chamber having a pressure greater than atmospheric pressure. The pressure in the sealed chamber reduces the leakage from the casing making more pressurized gas available for producing work in the machine. | 04-15-2010 |
20100098539 | Turbomachine - Disclosed is a high-speed turbomachine comprising a magnetic bearing ( | 04-22-2010 |
20100111689 | ULTIMATE WIND TURBINE SYSTEM METHOD AND APPARATUS - An Ultimate Wind Turbine Energy Generator that will start moving and generating energy at very low wind speeds (i.e. very slight motion or torque), that has magnetic bearings with near zero friction which support the Generator and Wind turbine apparatus without consuming external energy to control them. | 05-06-2010 |
20100111690 | BEARING SUPPORT STRUCTURE FOR TURBINE - Bearing support structure for turbines comprising an inner ring ( | 05-06-2010 |
20100124496 | TURBOMACHINE - A turbomachine such as a turbocharger comprises a housing | 05-20-2010 |
20100129212 | UNIT ASSEMBLY SYSTEM FOR AN EXHAUST-GAS TURBOCHARGER - The invention relates to a unit assembly system for the manufacture of exhaust-gas turbochargers ( | 05-27-2010 |
20100135783 | FAN BLADE AND SHAFT ASSEMBLY MOUNTING ARRANGEMENT OF A BATHROOM EXHAUST FAN - A fan blade and shaft mounting arrangement for bathroom exhaust fan includes a housing, a fan blade which has a hub, a center tube at the center of the hub and blades arranged around the hub, a fan shaft inserted through the center tube of the fan blade and supported between two bearing members in the housing, and a torsion spring that has a torsionable portion sleeved onto the fan shaft and a positioning portion fastened to the fan blade. When the fan shaft is rotated, the torsionable portion of the torsion spring is twisted and secured firmly to the fan shaft so that the fan blade is rotated with the fan shaft. | 06-03-2010 |
20100135784 | VACUUM PUMP - A pump insert ( | 06-03-2010 |
20100135785 | EXHAUST-GAS TURBOCHARGER FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to an exhaust-gas turbocharger ( | 06-03-2010 |
20100178166 | HYDRODYNAMIC AXIAL BEARING - A hydrodynamic axial bearing with a floating disk is disclosed wherein two lubricating gaps on the two sides of the floating disk are formed by supporting surfaces of different size. This makes it possible to provide identical lubricating gaps on both sides, despite different rotation speeds between the floating disk and the bearing housing, and between the floating disk and the bearing comb. | 07-15-2010 |
20100183438 | COMPACT SHAFT SUPPORT DEVICE FOR TURBOMACHINES - A shaft support device for a turbomachine including a rotary body and a stationary body. The rotary body is attached to a shaft of the turbomachine, and includes a first portion and a second portion. The first portion has a thrust bearing collar and the second portion has a thrust balance piston. The first and second portions are axially overlapping. The stationary body is fixably attached to a casing of the turbomachine. The stationary body has a first thrust bearing portion that is disposed adjacent to and operatively engages the first portion of the rotary body. | 07-22-2010 |
20100202880 | COATING FOR GAS BEARING - The invention relates to a vacuum pump in which the gas bearing is coated with a hard layer, and to a process for preparing such gas bearing of a vacuum pump. | 08-12-2010 |
20100215491 | ROTOR ASSEMBLY - A rotor assembly that includes a shaft to which are mounted an impeller, a rotor core and a bearing cartridge. The bearing cartridge is mounted between the impeller and the rotor core and comprises a pair of bearings, a spring that applies a preload to each of the bearings, and a sleeve that surrounds the bearings. | 08-26-2010 |
20100232959 | BEARING STRUCTURE OF ROTATING MACHINE, ROTATING MACHINE, METHOD OF MANUFACTURING BEARING STRUCTURE, AND METHOD OF MANUFACTURING ROTATING MACHINE - A bearing device includes a turbine-side bearing | 09-16-2010 |
20100247308 | AEROSTATIC BEARING AND METHOD FOR PRODUCTION THEREOF - An aerostatic bearing and a linear compressor that includes the aerostatic bearing. In an exemplary embodiment, the aerostatic bearing includes a guide element including holes, and a body structured to move along a surface of the guide element. The holes may include a first section close to the body, of which at least one part area features a cross-sectional surface substantially constant over its entire length which is smaller towards the body than another cross-sectional surface of an area away from the body. A method for producing a hole in an element, using a laser beam, for producing the aerostatic bearing is also disclosed. | 09-30-2010 |
20100266402 | SINGLE-BEARING FAN STRUCTURE - A single-bearing fan structure includes a fan frame having a bearing cup with a bearing received therein, the bearing cup having a radially inward protruded lip portion formed at a first end to abut on a top of the bearing, and a groove internally formed at a second end; a blade hub having a rotary shaft fixedly connected thereto with a distal end of the rotary shaft inserted into the bearing; a retainer engaged with the groove; a first elastic element fitted around the rotary shaft and located between the blade hub and the bearing; and a second elastic element received in the bearing cup and located between the bearing and the retainer. The first and second elastic elements and the bearing respectively axially and radially support the blade hub, enabling the fan structure to operate stably and have extended service life. | 10-21-2010 |
20100310366 | SUPERCHARGER - Object The invention provides a supercharger which is provided with a thrust bearing in an outer side of a radial bearing, and can smoothly discharge a fed lubricating oil from a bearing portion so as to reduce a resistance generated by the lubricating oil. | 12-09-2010 |
20110044810 | BEARING SUPPORT - A bearing support that includes a body through which a bore extends and a plurality of grooves formed in a wall of the bore. Each groove extends from a first end of the bore and terminates prior to a second end of the bore. A bearing can be secured within the bearing support by injecting adhesive into one or more of the grooves. | 02-24-2011 |
20110052388 | BEARING SPACER AND HOUSING - An exemplary center housing rotating assembly includes a turbine wheel; a compressor wheel; a center housing ( | 03-03-2011 |
20110052389 | Method for Producing a Lubricant Feed Line of a Thrust Bearing - A method for producing a lubricant feed in an axial bearing, wherein the lubricant feed is designed as a channel guiding lubricant from a lubricant pocket of the axial bearing, includes the following steps: preparing an initial axial bearing mold, stamping a groove in the area of the initial mold in which the channel is planned; embossing and putting through material on at least one or both sides of the groove along at least one segment of the groove; stamping the material on the side of the groove toward the groove so that the material and the groove form the channel. | 03-03-2011 |
20110052390 | SLUDGE REACTOR PUMP FOR SIMULTANEOUSLY CONVEYING SOLIDS, LIQUIDS, VAPOURS AND GASES - Described is a conveying device for conveying hot, vaporizing liquids, solids and gases in a common conveying flow, which conveying device also allows heating the circuit by means of power loss, masters the cavitation and the contamination of the bearings and seals, and allows a high service life. | 03-03-2011 |
20110058941 | CENTRIPETAL AIR BLEED FROM A TURBOMACHINE COMPRESSOR ROTOR - A compressor rotor for a turbomachine including at least two disks on a common axis carrying blades and connected together by a tubular wall, forming a surface of revolution, and a centripetal air bleed mechanism including air passages passing through the tubular wall, together with a wall extending along the tubular wall from the through passages up to one of the disks to channel the air stream inside the tubular wall. | 03-10-2011 |
20110091320 | CIRCULATING PUMP - In order to provide a circulating pump, comprising a stator, a rotor, a bearing device with a convex bearing member and at least one concave bearing shell, via which the rotor is mounted for rotation, and an impeller which is connected non-rotatably to the rotor, which has improved lubrication possibilities and/or with which any axial lifting of the impeller can be prevented in an effective manner, it is provided for a shaft element to be connected non-rotatably to the rotor and non-rotatably to the impeller and for the shaft element to be guided through the bearing member and to be rotatable relative to the bearing member. | 04-21-2011 |
20110103948 | BEARING HOUSING BODY GROUP OF AN EXHAUST-GAS TURBOCHARGER - The invention relates to a bearing housing body group ( | 05-05-2011 |
20110116920 | SEGMENTED THERMALLY INSULATING COATING - A gas turbine article includes a substrate, a plurality of geometric surface features that protrude from the substrate, and a thermally insulating topcoat disposed over the plurality of geometric surface features. The thermally insulating topcoat includes segmented portions that are separated by faults that extend through the topcoat from the geometric surface features. | 05-19-2011 |
20110116921 | WATER PUMP PROVIDED WITH A BEARING - A water pump that is equipped with a bearing, may include a drive shaft, at least two bearings of an arc type that are mounted around the exterior circumference of the drive shaft and being engaged with each other, a housing that fixes the at least two bearings of the art type therein such that the drive shaft can rotate in the at least two bearings of the arc type. | 05-19-2011 |
20110116922 | OSCILLATION REDUCING SUSPENSION DEVICE FOR A FAN MOTOR OF A COMBUSTION-POWERED TOOL - An oscillation reducing suspension device for a fan motor of a combustion-powered tool includes a holding web member mounted on a cylinder head and having a central opening to be sleeved on the motor, first and second retaining members disposed to hoop around the motor, and first and second damping members each disposed between the holding web member and a respective one of the first and second retaining members so as to counteract an axial vibration force, thereby minimizing the impact of the axial vibration force. | 05-19-2011 |
20110123326 | BELLOWS PRELOAD AND CENTERING SPRING FOR A FAN DRIVE GEAR SYSTEM - An assembly includes a first tapered roller bearing and a second tapered roller bearing and a bellows spring. The bellows spring is disposed adjacent the first tapered roller bearing and the second tapered roller bearing. | 05-26-2011 |
20110123327 | BEARING ASSEMBLY USING DIFFERENT TYPE THRUST BEARINGS - A bearing assembly includes a thrust bearing casing surrounding a rotating shaft at a location intermediate ends of the rotating shaft, the rotating shaft including an active side shaft thrust plate and an inactive side shaft thrust plate, each of the active side and the inactive side shaft thrust plate affixed to and extending radially from the rotating shaft, wherein the active side shaft thrust plate receives a substantially larger axial force compared to the inactive side shaft thrust plate during operation of the rotating shaft; a first thrust bearing between the thrust bearing casing and the active side shaft thrust plate; and a second thrust bearing between the thrust bearing casing and the inactive side shaft thrust plate. The first thrust bearing and the second thrust bearing are of a different type, e.g., a tilting pad bearing and a land bearing including a tapered land and/or flat land. | 05-26-2011 |
20110123328 | VACUUM PUMP - A vacuum pump, particularly a turbomolecular pump or multi-inlet pump, comprises a rotor shaft ( | 05-26-2011 |
20110135463 | THREE BEARING FLEXIBLE SHAFT FOR HIGH SPEED TURBOMACHINERY - A three journal bearing supported shaft with a link between two of the bearings may allow for longer spacing between the wheels supported by the shaft. The flexible shaft may move one bending critical speed below the minimum operating speed of the shaft and the next bending critical speed above the maximum operating speed of the shaft, thus extending the speed range significantly. A tie rod may be used as the link in the shaft. | 06-09-2011 |
20110142617 | GEAR SET, WIND TURBINE INCORPORATING SUCH A GEAR SET AND METHOD OF SERVICING A WIND TURBINE - A gear set is disclosed. The gear set includes a bearing including an inner race and an outer race, one of the inner race and the outer race being a ring gear including a plurality of first teeth having a first hardness; and a pinion meshable with the ring gear, and including a plurality of second teeth having a second hardness. The second hardness is no greater than the first hardness. A wind turbine incorporating such a gear set and a method of servicing a wind turbine are also disclosed. | 06-16-2011 |
20110142618 | WIND TURBINE PITCH ASSEMBLY ENCLOSURE SYSTEM - A system for enclosing a portion of a wind turbine with an enclosure system and a method of enclosing a wind turbine with the system are described. An inner seal plate is positioned in an inner interface area between a hub of the wind turbine a pitch assembly. An opening is formed in the inner seal plate and is covered with a first access cover when in a closed position. An outer seal plate is positioned in an outer interface area between a pitch assembly and a rotor blade. An opening is formed in the outer seal plate and is covered with a second access cover when in a closed position. The access covers restricts access to the respective openings formed in the seal plates when in the closed position. | 06-16-2011 |
20110158803 | BEARING ARRANGEMENT HAVING A DOUBLE-ROW ROLLER BEARING, TURBOCHARGER AND METHOD FOR FEEDING A LUBRICANT TO THE ROWS OF ROLLING BODIES OF A DOUBLE-ROW ROLLER BEARING - A bearing arrangement which has a double-row rolling-body bearing, in particular an angular ball bearing for a turbocharger. The rolling-body bearing has at least one outer ring and at least one inner ring between which an intermediate space for two rows of rolling bodies is formed. For reliable and disruption-free lubrication, the rolling-body bearing has a central feed opening formed on the outer ring and at least one outlet opening, lying opposite the central feed opening, on the inner ring for a lubricant. In the vicinity of each of the rows of rolling bodies, at least one feed opening is provided on the inner ring for feeding the lubricant to the rolling bodies so that the lubricant is injected via the inner ring and the centrifugal force during the operation of the bearing is utilized. | 06-30-2011 |
20110164974 | Compressor and Method for Operating a Compressor and Fuel Cell Device with a Compressor - A compressor with a housing having an air guide section and a bearing section, and a moving part having a compressor wheel and a shaft connected to the compressor wheel in a pivot-proof manner. The shaft is pivot-supported in the bearing section, and the compressor wheel is accommodated in a first chamber of the air guide section in a pivoting manner. The shaft is driveable by an electric motor and at least one radial bearing and one axial bearing are provided for supporting the shaft in the bearing section, wherein the axial bearing has at least one magnetic bearing. The axial bearing includes at least one first bearing and a second bearing, the first bearing configured in the region of the compressor wheel and the second bearing is configured in the region of an end of the moving part facing away from the compressor wheel. | 07-07-2011 |
20110171020 | TURBO COMPRESSOR/JOURNAL FOIL BEARINGS WITH AXIAL RETAINERS - An apparatus and method for maintaining separation of two journal foil bearing assemblies, where each journal foil bearing assembly comprises one or more foils with lugs formed thereon for insertion into axial grooves of a bore, the means comprising a pin for insertion into each groove so that an edge of the lug that is inserted into the groove abuts the pin and is prevented from axially drifting along the bore. The pin provides a broad area along the lug edge so that the lug edge does not cut into the pin. | 07-14-2011 |
20110189012 | TURBOMACHINE OPTIMIZED FOR FASTENING A ROTARY SHAFT BEARING. A METHOD OF MOUNTING SAID BEARING ON SAID TURBOMACHINE - A turbomachine including a shaft, a bearing for supporting the shaft and including an outer ring, and a support for said bearing, the support having a flange to which the outer ring is fastened by fasteners; each fastener comprising a fastener bolt and a nut screwed together; the turbomachine also including for each fastener, position-retention means for retaining the bolt, and suitable for retaining the bolt in a position that is stationary relative to the bearing support or the outer ring, even in the absence of the nut. The head of the fastener bolt and the position-retention means may be of small dimensions, thereby enabling the fastening of the flange to the bearing support to be optimized, and in particular enabling the weight of said fastening to be optimized. The invention also provides a method of mounting said bearing of the turbomachine. | 08-04-2011 |
20110194933 | GAS TURBINE ENGINE AND FOIL BEARING SYSTEM - One embodiment of the present invention is a unique gas turbine engine. Another embodiment is a unique gas turbine engine foil bearing system. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for gas turbine engines and gas turbine engine bearing systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application shall become apparent from the description and figures provided herewith. | 08-11-2011 |
20110217165 | FAN FRAME STRUCTURE WITH INTEGRATED SINTERED OIL-IMPREGNATED BEARING THROUGH INSERT MOLDING AND METHOD OF MANUFACTURING THE SAME - A fan frame structure with integrated sintered oil-impregnated bearing through insert molding and a method of manufacturing the same are provided. The fan frame includes a sintered oil-impregnated bearing and a fan frame. The bearing has a first and a second end face and an axially extended through hole communicating with the first and second end faces. The fan frame has a base and a bearing cup upward projected from the base to define an axial hollow space therein. The hollow space has a first and a second stop portion, and the bearing is received in the hollow space with the first and second end faces abutted on the first and second stop portions, respectively. With the sintered oil-impregnated bearing integrated with the fan frame through insert molding, increased concentricity between the bearing and the fan frame and reduced manufacturing cost of the fan frame structure can be ensured. | 09-08-2011 |
20110217166 | LAYERED COMPOSITE COMPONENTS - A layered composite component | 09-08-2011 |
20110236204 | METHOD OF MANUFACTURING ROTOR ASSEMBLY, ROTOR ASSEMBLY, AND TURBO COMPRESSOR - A method of manufacturing a rotor assembly in which a first impeller and a second impeller are fixed to a rotation shaft which is supported by a bearing so as to be rotatable, the method including: fixing the second impeller to the rotation shaft; fitting and fixing a sleeve to the rotation shaft after fixing the second impeller; fitting and fixing the bearing to the sleeve after fitting and fixing the sleeve; and fixing the first impeller after fitting and fixing the bearing. | 09-29-2011 |
20110305567 | BEARING SUPPORT - A bearing support is disclosed herein. The bearing support includes a pilot ring encircling an axis. The pilot ring is operable to be substantially-fixed in operation. The bearing support also includes a damper ring operable to receive an outer race of a bearing assembly. The damper ring also encircles the axis. The bearing support also includes a fuse pin extending through aligned apertures in the pilot ring and the damper ring to prevent relative radial movement between the pilot ring and the damper ring up to a predetermined amount of loading. The fuse pin is operable to fracture in response to loading beyond the predetermined amount. The bearing support also includes a retainer extending through one of the pilot ring and the damper ring and fixed to the other of the pilot ring and the damper ring. The retainer is operable to limit relative axial movement between the pilot ring and the damper ring. The retainer limits relative axial movement when the fuse pin fractures in response to loading beyond the predetermined amount. The fuse pin is engaged with at least one of the first and second apertures through a heat shrink fit. | 12-15-2011 |
20120003087 | TURBINE FOR THE EXPANSION OF GAS/VAPOUR PROVIDED WITH CONTRAST MEANS OF THE AXIAL THRUST ON THE DRIVE SHAFT - The invention concerns a turbine for the expansion of gas and vapour, comprising a body or case, a fixed external sleeve member, overhanging frontally from a frontal wall of said case, and a turbine shaft ( | 01-05-2012 |
20120009060 | "TURBINE FOR THE EXPANSION OF GAS/VAPOUR" - The invention concerns a turbine structure for the expansion of gas and vapour, comprising a body or casing with a peripheral work fluid transit volute from an entrance to an exit passage, at least a first stator and possible subsequent stators, a turbine shaft rotating around an axis and carrying at least a first rotor and possible subsequent rotors working together downstream of the first stator and subsequent rotors, respectively, an external tube member jutting out frontally from said body or casing and coaxial to the rotating turbine shaft, and where between the tube member ( | 01-12-2012 |
20120014790 | Rotor for a turbomachine - A rotor for a turbomachine is provided. The rotor includes a shaft and a longitudinal bearing disk arranged thereon as an element for an axial bearing for axially supporting the shaft. The longitudinal bearing disk includes first and second contact surfaces. The first contact surface is cylindrical for radial support on the shaft. The second contact surface is conical for self-centering on the shaft. Advantageously, such a rotor may be used for operation with chemically aggressive gases and can be operated at substantially high rotational speeds. | 01-19-2012 |
20120020784 | ANTI-ROTATION FEATURE FOR AIR TURBINE STARTER - A turbine balance assembly has a turbine rotor and shaft. Bearings are positioned radially outwardly of the shaft. A bearing sleeve is positioned radially outwardly of the bearings, and supports the bearings. The bearing sleeve extends along an axial length defined by a rotational axis of the shaft, and has a turbine rotor end adjacent to the turbine rotor, and a remote end. A radially outwardly extending flange on the bearing sleeve extends radially outwardly of a support portion of the bearing sleeve at the turbine rotor end. The flange has a nominal outer diameter, and includes a slot for receiving an anti-rotation tab from a gear cage over a first circumferential extent. A bearing sleeve incorporates the anti-rotation feature, and a gear cage incorporates its portion of the anti-rotation feature. An air turbine starter, and a method of installing components of a turbine balance assembly are also disclosed. | 01-26-2012 |
20120027582 | FLOATING PACKING RING ASSEMBLY - A packing ring assembly for use between a rotating and a stationary component in a turbomachine is disclosed, the assembly including an arcuate packing ring casing, an arcuate packing ring segment positioned at least partially within the packing ring casing, and a resistance component configured to allow movement of the packing ring segment in an axial direction, relative to the rotating component, between a first and second position in response to a pressure condition. In one embodiment, the resistance component allows movement when the pressure condition comprises approximately 30% of the turbomachine load. Also disclosed is an altered surface topography of the rotating component to accommodate variable length teeth extending from the packing ring segment, such that when the packing ring segment is in the first position, a clearance between the packing ring segment and the rotating component is larger than when the packing ring segment is in the second position. | 02-02-2012 |
20120027583 | VACUUM PUMP - A vacuum pump includes a housing, a rotor located in the housing and having a shaft and pump-active elements supported on the shaft, a stator having pump-active elements and located in a separate housing part of the housing, for driving the pump, bearings for rotatably supporting the rotor shaft, and at least one vacuum chamber also located in the separate housing part. | 02-02-2012 |
20120045326 | SLIDING CLIP METHOD FOR ANTI-ROTATION AND THRUST CONSTRAINT OF A ROLLING ELEMENT BEARING CARTRIDGE - To solve both axial and rotational constraint problems in turbochargers with rolling element bearings (REBs), a REB cartridge is mounted to the bearing housing in a way that is not rigid, thus allowing for an oil damping film At the same time, the REB cartridge is held both axially and rotationally, so that the outer race does not rotate relative to the bearing housing. This dual purpose is achieved using a special dual mode sliding clip with at least one anti-rotation feature for engaging the bearing housing and at least one anti-rotation feature for engaging the REB cartridge, thereby axially locating the REB cartridge and preventing rotation of the outer race. | 02-23-2012 |
20120057975 | TURBOCHARGER - The invention relates to a turbocharger ( | 03-08-2012 |
20120070278 | GAS TURBINE ENGINE BEARING ARRANGEMENT - A gas turbine engine comprising first and second rotor shafts and an intershaft rolling element bearing arranged between the shafts. The first rotor shaft has a stator stage and a rotor stage; the second rotor shaft has only a rotor stage and is arranged to contra-rotate relative to the first shaft. The intershaft bearing is arranged between the first and second shafts such that the relative speeds of the shafts minimise a cage speed of the intershaft bearing. | 03-22-2012 |
20120099984 | Mechanical Seal - A mechanical seal is disclosed having a rotatable sealing face and a stationary sealing face that are in opposed relation and arranged to be urged, into contact to form a seal. One of the sealing faces is mounted on a support assembly that includes a biasing device operative to move that sealing face into contact with the other sealing face. In one form of the invention, the biasing device comprises one or more resilient members that in use are deformed to provide the biasing force. In a second form of the invention, the support assembly forms part of a fluid barrier of the seal and the biasing device is fluid impervious and forms part of the barrier. In a third form of the invention, the biasing device is exposed to fluid pressure in the chamber and the biasing force increases on increasing the fluid pressure in the chamber. | 04-26-2012 |
20120107114 | Reduced Profile Abrasion Resistant Pump Thrust Bearing - A centrifugal pump has a stationary diffuser with a bore. A thrust bearing is pressed into the diffuser bore and has a curved interior. A thrust runner having a curved exterior is correspondingly and closely received by the thrust bearing interior. The thrust runner is keyed to a shaft and transmits thrust from a rotating impeller to the diffuser via the thrust bearing. The curved surface of the thrust bearing allows for handling of both axial and radial thrust without the need for multiple thrust bearings. The increased surface area of the curved surface in the thrust bearing can also handle higher loads. | 05-03-2012 |
20120121411 | Labyrinth Seals for Turbomachinery - A labyrinth seal is provided that can suppress the occurrence of an unequal pressure pattern in the seal, suppress unstable vibration of a rotating shaft and ensure sealing performance. | 05-17-2012 |
20120171033 | PUMPS - A pump shaft ( | 07-05-2012 |
20120195753 | GAS TURBINE ENGINE ARCHITECTURE WITH LOW PRESSURE COMPRESSOR HUB BETWEEN HIGH AND LOW ROTOR THRUST BEARINGS - A method for servicing a gas turbine engine includes providing access from a forward section of the gas turbine engine to a gearbox contained within a bearing compartment. | 08-02-2012 |
20120195754 | FLUID PUMP - The invention relates to an implementation of a fluid pump 1, particularly a water pump 1, wherein an impeller 11 comprising a plain bearing bush 12 is rotatably supported on a bearing pin 13. The impeller 11 and the plain bearing bush 12 are thereby made of an identical base material in one or more pieces. A further material is mixed into the base material of the plain bearing bush 12, improving the sliding properties of the plain bearing bush 12 on the bearing pin 13. | 08-02-2012 |
20120201673 | MECHANICAL SEAL - Provided is a mechanical seal that ensures the flow rate of a cooling fluid, which is necessary to cool a slide seal surface, and that can prevent erosion from occurring. In the mechanical seal, the ratio between the depth and the width of each groove of a partial impeller is 2.0-5.0; the ratio of the distance between the grooves of the partial impeller to the width of a weir of a casing is 0.5-3.1; the ratio of the total length of the widths of the grooves of the partial impeller to the total length of the peripheral surface of the partial impeller, in which the grooves are formed, is 0.28-0.8; or the ratio of the length of the projected portion of the tip of each groove of the partial impeller to the width of a cooling liquid discharging groove of the casing is greater than 0 and less than or equal to 0.65. | 08-09-2012 |
20120237345 | COOLING STRUCTURE FOR BEARING HOUSING OF TURBOCHARGER - A turbocharger is provided with a bearing housing having a housing body supporting a rotor shaft in a rotatable state and having a bearing hole formed therein. An oil jacket is formed in the lower half portion of the housing body. A water jacket is formed in the upper half portion of the housing body, without protruding into the lower half portion. | 09-20-2012 |
20120243986 | TURBO MACHINE - A turbomachine has a shaft extending along and rotatable about an axis and having an outer surface, a first impeller wheel permanently mounted on the shaft and having a respective back face, a second impeller wheel detachably mounted on the shaft axially offset from the first impeller wheel and having a respective back faces axially confront the back face of the first impeller wheel, and respective first and second axial bearings each having a respective rotor bearing half fixed to the respective impeller wheel and a respective nonrotatable stator bearing half axially juxtaposed with the respective rotor bearing half. The rotor shaft is of increasingly smaller cross-sectional size from the first wheel to the second wheel. | 09-27-2012 |
20120243987 | WATER WHEEL IMPELLER BLADE TYPE ELECTRIC POWER GENERATING APPARATUS - A water wheel impeller blade type electric power generating apparatus including a rotating shaft for transmitting motive power to a power generator, a rotor fixed to the rotating shaft, an impeller blade provided on the outer periphery of the rotor to receive a flow of fluid for rotating the rotor, and a fluid guide plate inclined from above to below the rotor so as to guide the fluid to the impeller blades located on a lower portion of the rotor. The impeller blade is rotatably disposed on the rotor, a fluid receiving part and a stopper part shorter than the fluid receiving part are formed, the fluid receiving part is disposed in the upstream direction of the fluid in a fluid passage, and a bearing which rotatably supports the rotating shaft is provided on the outer periphery of the rotor. | 09-27-2012 |
20120257966 | TURBOCHARGER HAVING A BEARING BLOCK DEVICE FOR A TURBOCHARGER HOUSING DIVIDED IN THE LONGITUDINAL DIRECTION - A turbocharger has a turbocharger housing. Wherein at least one section of the turbocharger housing is configured divided along a longitudinal axis into at least two housing halves. A bearing block device is provided in the turbocharger housing and receives a shaft and impellers of the turbocharger. The shaft with the impellers can be preassembled in the bearing block device and then inserted into the turbocharger housing. | 10-11-2012 |
20120263589 | TURBOCHARGER - A turbocharger is provided with a rotor shaft and a semi-floating bearing arranged in a bearing chamber and rotatably supporting the rotor shaft. The semi-floating bearing has a pair of bearing portions located at two longitudinal ends. A region between the pair of bearing portions in an outer peripheral surface of the semi-floating bearing and an inner peripheral surface of the bearing chamber constitute an outside oil feed chamber to supply a lubricant oil to outer peripheral surfaces of the pair of bearing portions. A groove extending in a circumferential direction is formed in the outer peripheral surface of at least one of the bearing portions. An oil feed passage to supply the lubricant oil to the outside oil feed chamber and a discharge passage opposed to the groove and configured to discharge the lubricant oil in the groove downward are formed in the bearing housing. | 10-18-2012 |
20120269624 | AXIAL BEARING ARRANGEMENT FOR A SHAFT OF A TURBOCHARGER - A turbocharger has a turbocharger housing. At least one section of the turbocharger housing is divided in the longitudinal direction into at least two housing halves. A shaft is supported in the turbocharger housing and at least one axial bearing arrangement is provided for supporting the shaft in the axial direction. | 10-25-2012 |
20120288368 | SLIDE BEARING DEVICE AND COMPRESSOR - A slide bearing device and a compressor are capable of stably achieving a low friction condition from the early stage of the start of friction. The slide bearing device includes a bearing, a shaft supported by the bearing while being subjected to sliding, and a gas supply section for supplying a dry gas to a bearing slide section where the bearing and the shaft slide against each other. A slide surface of the bearing is formed of a resin composite material, which is a mixture of a carbon material and a resin. The shaft is made of a metal and includes a groove formed on a slide surface of the shaft, the groove extending in a direction different from the sliding direction. Plural grooves may be provided and the grooves may extend in arbitrary directions. The shaft may include a collection of plural recesses on the slide surface thereof. | 11-15-2012 |
20120288369 | SYSTEM FOR SECURING TWO TUBULAR COMPONENTS ONE IN THE OTHER, CARRYING A ROLLER BEARING - System for securing two tubular components ( | 11-15-2012 |
20120288370 | FASTENING AN AXIAL BEARING DISK IN A MAGNETICALLY-MOUNTED TURBOMACHINE BY MEANS OF A SHRINK DISK CONNECTION - A turbomachine includes a housing and a shaft mounted rotatably relative to the housing about a rotary axis, an element with a through opening through which the shaft protrudes, a first ring element and a second ring element. The first ring element is arranged with its inner surface on the shaft and the element is fixed by the first ring element at a predetermined position on the shaft. The second ring element is arranged with its inner surface lying on the outer surface of the first ring element, which outer surface tapers conically from a first axial end to a second axially opposite axial end. The inner surface of the second ring element tapers conically in a complementary way to the outer surface of the first ring element. An axial movement of the second ring element relative to the first ring element compresses the first ring element against the shaft. | 11-15-2012 |
20120315137 | BEARING CHAMBER APPARATUS - A bearing chamber apparatus ( | 12-13-2012 |
20120321458 | WHEEL AND REPLACEABLE NOSE PIECE - An assembly includes a nose piece and a boreless compressor wheel having a nose end configured for receipt of the nose piece and a receptacle at a base end configured for receipt of a rotatable shaft. A method includes fitting a nose piece to a boreless compressor wheel, measuring unbalance and, based in part on the measuring, removing material from the nose piece. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed. | 12-20-2012 |
20120321459 | SUPPORT STRUCTURE FORMING METHOD - A method of forming an annular support structure for fastening a component of a gas turbine engine to a static part of the engine is provided. The support structure has a substantially frustoconical skin portion which, in use, extends inwardly from the static part. The support structure further has a flange portion which extends inwardly from an inner edge of the skin portion. In use, a mating flange extending outwardly from the component is attached to the flange portion. The flange portion has an engagement face against which a corresponding face of the mating flange is secured. The flange portion further has an inwardly-facing land at an outer edge of the engagement face which restrains the component against radial movement. | 12-20-2012 |
20120321460 | VERTICAL SHAFT TURBOMACHINE - A turbomachine includes a compressor, a first shaft, a second shaft, a first turbine, and a second turbine. The first shaft carries at least one turbine wheel belonging to one of the elements selected from the first and second turbines. The second shaft carries at least one turbine wheel belonging to the other element selected from the first and second turbines. The first and second shafts are oriented substantially vertically in normal utilization situations of the turbomachine. The first shaft is held by a first single bearing while the second shaft is held by a second single bearing. | 12-20-2012 |
20120328431 | INTEGRAL BEARING SUPPORT AND CENTERING SPRING ASSEMBLY FOR A GAS TURBINE ENGINE - A bearing support assembly for supporting a bearing assembly within a bearing compartment of a gas turbine engine includes a centering spring and a bearing support member integrally joined together to form a one piece structure. The centering spring connects to the bearing assembly and has a portion that extends conically relative to a centerline axis of the gas turbine engine. The bearing support member extends from the centering spring to connect to an engine case of the gas turbine engine. | 12-27-2012 |
20130004310 | METHOD FOR FABRICATING SHAFT SEALING DEVICE AND JIG FOR FABRICATING SHAFT SEALING DEVICE, AND ROTARY MACHINE PROVIDED WITH SHAFT SEALING DEVICE - Provided is a method of fabricating a shaft sealing device, in which a plurality of thin plate pieces arranged in a circumferential direction of a rotation shaft are provided and base ends of the thin plate pieces are mutually connected, the method including a stacking step of stacking the plurality of thin plate pieces in one direction, a connecting step of mutually connecting the base ends of the plurality of stacked thin plate pieces to form a stacked body, and a first smoothing step of bringing one lateral end surface of two lateral end surfaces of the stacked body formed by each end portion in a width direction of the plurality of thin plate pieces in contact with a flat surface to smooth the other lateral end surface. | 01-03-2013 |
20130011256 | MECHANICAL SEAL UNIT, PARTICULARLY FOR A FIRE EXTINGUISHING PUMP - The present invention refers to a premounted mechanical seal unit, particularly for a fire extinguishing pump, comprising a rotating seal ring ( | 01-10-2013 |
20130028730 | COMPRESSOR - In a compressor in which a housing includes a through-portion through which an end of the rotating shaft protrudes outside and in which the through-portion is sealed by a lip seal device, the through-portion includes a lip-seal-device accommodating portion formed by a flat surface that contacts an entire flat outer circumferential surface of a ring portion of a main lip seal constituting the lip seal device and extending in the axial direction of the rotating shaft, a first detachment-preventing vertical surface located on the inside of the flat surface in the housing and extending radially inward in a direction perpendicular to the axial direction of the rotating shaft, and a second detachment-preventing vertical surface located on the outside of the flat surface in the housing and extending radially inward in a direction perpendicular to the axial direction of the rotating shaft. | 01-31-2013 |
20130028731 | TILTING PAD JOURNAL BEARING AND STEAM TURBINE - In a tilting pad journal bearing device including a plurality of arc-shaped pads | 01-31-2013 |
20130028732 | ROLLING BEARING DEVICE HAVING A HYDRAULIC DAMPING DEVICE - A roller bearing device in particular in a turbocharger having a housing component having a bearing hole having an inner circumference and a rolling bearing received therein on an outer race having an outer circumference. In order to implement a component such as a rotor assembly of a turbocharger that can rotate on the inner circumference with great smoothness and that is protected against imbalance, a hydraulic damping device made of reservoirs filled with a hydraulic fluid and alternating along the circumference facing the outer periphery and the inner periphery is provided in an annular gap between the outer periphery of the outer race and the inner periphery of the bearing hole by radially pretensioning the outer race relative to the bearing hole. | 01-31-2013 |
20130039756 | VERTICAL DOUBLE SUCTION PUMP ENCLOSING TUBE SEAL - Apparatus is provided featuring a casing assembly, a shaft and an integral bellows type mechanical face seal. The casing assembly has an enclosing tube configured to house a stationary bearing and to contain lubricating oil. The shaft is configured to rotate in relation to the stationary bearing, the shaft having a rotating seal with a rotating sealing face. The integral bellows type mechanical face seal is configured with one end to overlap and couple to the stationary bearing of the enclosing tube, with another end having a stationary sealing face to couple to the rotating sealing face of the shaft, and with an intermediate bellows-like portion arranged under compression to urge the stationary sealing face against the rotating sealing face and to adapt to large variations between the stationary sealing face and the rotating sealing face in order to provide a seal for the lubricating oil contained inside the enclosing tube so as to prevent leakage of the lubricating oil and to isolate and keep clean the lubricating oil. | 02-14-2013 |
20130039757 | HEAT DISSIPATING FAN HAVING A POROUS SINTERED BUSHING FOR AN IMPELLER SHAFT AND METHOD OF MAKING THE BUSHING - A method of making a porous bushing for an impeller shaft of a heat dissipation fan, includes: compacting a porous body-forming material in a mold to form a green body that has a shape conforming to the porous bushing; and sintering the green body to form the porous bushing. A heat dissipating fan incorporating the porous bushing is also disclosed. | 02-14-2013 |
20130089418 | BEARING ARRANGEMENT FOR A SHAFT OF A TURBOCHARGER - A bearing arrangement for supporting a shaft in a turbocharger housing. The bearing arrangement includes a sleeve element and the sleeve element is formed with a flange section at each end for fastening the bearing arrangement in the turbocharger housing. | 04-11-2013 |
20130089419 | PUMP - The present invention relates to a pump ( | 04-11-2013 |
20130115080 | TURBOCHARGER HOUSING AND BEARING LOCATING PIN - A turbocharger assembly includes: a housing with a through-bore and a cross-bore that intersects the through-bore to define an upper portion of the cross-bore with a first diameter and a lower portion of the cross-bore with a second diameter where the first diameter exceeds the second diameter; a bearing disposed in the through-bore of the housing where the bearing includes a through-bore configured to support a shaft and a cross-bore that intersects the through-bore; and a locating pin with a diameter that exceeds the second diameter of the lower portion of the cross-bore of the housing, the locating pin press-fit at least partially into the lower portion of the cross-bore of the housing and disposed at least partially in the lower portion of the cross-bore of the bearing to locate the bearing in the through-bore of the housing. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed. | 05-09-2013 |
20130129504 | BEARING DEVICE AND TURBOMACHINE HAVING A BEARING DEVICE - A bearing device with an arrangement of at least two bearings is provided. A filling made of an amorphous/solid active medium as a mechanism of compensating for axial loads is arranged between a bearing race of at least one of the bearings and a surrounding component of the bearing arrangement. | 05-23-2013 |
20130129505 | BEARING DEVICE AND TURBOMACHINE HAVING A BEARING DEVICE - A bearing device, for example in a turbomachine is provided. Between bearing races of the anti-friction bearings and a casing component positioned adjacent the bearing races is arranged a device for converting an axial force between the anti-friction bearings into a torque at the bearing races in the manner of a ball screw or planetary screw assembly. The bearing races are connected to one another by a feedback mechanism such that a torque at one bearing race can be converted into an opposite torque at the other bearing race. | 05-23-2013 |
20130129506 | EXHAUST GAS TURBOCHARGER WITH PLAIN BEARING FOR REDUCING FLUID TURBULENCE - An exhaust-gas turbocharger may include a rotor shaft arranged with at least one bearing-shaft portion in a radial bearing. The radial bearing may be a plain bearing configured to slide on a fluid film. The at least one bearing-shaft portion may be subdivided into two outer segments by an inner segment. The two outer segments may be arranged on the respective axial end region of the radial bearing and the inner segment may be positioned between the outer segments. The inner segment may be arranged in the area of an opening of a fluid channel. The turbocharger may include at least one transverse groove running inclined relative to the circumferential direction of the rotor shaft arranged in at least in one of the outer segments. The at least one transverse groove may include a groove depth having a continuously decreasing development in a fluid flow direction. | 05-23-2013 |
20130136593 | THERMAL GRADIANT TOLERANT TURBOMACHINE COUPLING MEMBER - An exemplary turbomachine securing apparatus includes a coupling member that couples a first component to a second component within a turbomachine. The first component and the second component are both non-rotating components during operation of the turbomachine. The coupling member limiting relative circumferential movement between the first component and the second component, and permitting relative radial movement. | 05-30-2013 |
20130142645 | OIL-RETAINING BEARING FAN DEVICE - An oil-retaining bearing fan device includes a fan base seat, at least one oil-retaining bearing and at least one magnetic member. The oil-retaining bearing is disposed in a bearing hole of the fan base seat. The oil-retaining bearing has at least one receiving hole for receiving the magnetic member therein. The magnetic member serves to apply a magnetic attraction force to a shaft of the fan device to make the shaft quickly restore to its optimal operation position so as to reduce wear and lower the noises and vibration of the fan device in operation. Therefore, the lifetime of the fan device can be prolonged. | 06-06-2013 |
20130142646 | OIL-RETAINING BEARING FAN STRUCTURE - An oil-retaining bearing fan structure includes a fan base seat, an oil-retaining bearing and at least one magnetic member. The oil-retaining bearing is disposed in a bearing hole of the fan base seat. The magnetic member is disposed between the oil-retaining bearing and a wall of the bearing hole. The magnetic member serves to apply a magnetic attraction force to a shaft of the fan structure to make the shaft quickly restore to its optimal operation position so as to reduce wear and lower the noises and vibration of the fan structure in operation. Therefore, the lifetime of the fan structure can be prolonged. | 06-06-2013 |
20130142647 | BEARING HOUSING OF AN EXHAUST-GAS TURBOCHARGER - A bearing housing ( | 06-06-2013 |
20130149140 | BEARING STRUCTURE AND COOLING FAN USING SAME - A bearing structure includes a main body internally defining a shaft space; the shaft space axially extends a full length of the main body and communicates with at least one extension space; and the extension space is radially outward extended from the shaft space and also axially extends a full length of the main body. The shaft space has a non-circular cross section. In a cooling fan using the bearing structure, a rotor shaft is inserted in the shaft space. With the shaft space having a non-circular cross section, it is possible to largely increase the support pressure of a lubricant filled between the rotor shaft and the shaft space and accordingly, reduce the frictional contact between the rotor shaft and the shaft space as well as the noise and vibration produced during the operation of the cooling fan. | 06-13-2013 |
20130149141 | BEARING ARRANGEMENT - A bearing arrangement | 06-13-2013 |
20130149142 | Sliding Bearing and Pump Device Using the Same - In a sliding bearing, load carrying capacity and bearing rigidity is increased without increasing a size of the bearing and the pressure of the fluid. The sliding bearing comprises a cylindrical-shaped sleeve supporting a rotatable shaft via fluid, and hydrostatic pressure pockets provided in the inner periphery of the sleeve. The hydrostatic pressure pockets constitute a plurality of rows of circumferentially disposed hydrostatic pressure pockets via orifices. At least one of the hydrostatic pressure pocket rows is arranged adjacently to each of both end portions of the inner periphery of the sleeve. And a circular cylindrical inner peripheral surface region without the hydrostatic pressure pockets is provided at a center portion of the sleeve. A width of the circular cylindrical inner peripheral surface region provided in the axial direction of the shaft is made wider than a sum of widths of the hydrostatic pressure pocket rows. | 06-13-2013 |
20130156573 | FAN - A fan includes a stationary portion, a rotating portion, and a plurality of blades. The stationary portion includes a stator, an integral one-piece molded metal bearing housing, a bearing portion in the bearing housing, and a molded resin base portion supporting the bearing housing. The rotating portion includes a rotor holder, a rotor magnet, and a shaft. The bearing housing includes a cylindrical portion, and a protruding portion extending radially outwards from a lower portion of the cylindrical portion. The cylindrical portion includes a groove portion extending in an axial direction and arranged in a circumferential direction. The groove portion is joined to a region on the lower side of the protruding portion along a connecting position between the cylindrical and protruding portions. A resin on an upper side of the protruding portion, a resin on a lower side, and a resin in the groove portion are continuous. | 06-20-2013 |
20130156574 | ROLLING BEARING FOR AIRCRAFT TURBOJET FITTED WITH IMPROVED MEANS OF AXIAL RETENTION OF ITS OUTER RING - A structure for an aircraft turbojet including a rolling bearing including an outer ring, a bearing bracket, a retaining ring interposed between the ring and the bracket, a mechanism to connect the ring onto the bracket incorporating an attaching flange installed on the bearing bracket, a flexible connection attached to the ring and to the flange, and a mechanism enabling axial retention of the ring, in event the flexible connection fractures. The mechanism enabling axial retention includes a first stop securely attached to the retaining ring and capable of axially retaining this retaining ring relative to the bracket, and a second stop securely attached to the retaining ring, and capable of axially retaining the ring relative to the retaining ring. | 06-20-2013 |
20130164127 | FAN STRUCTURE AND A BEARING MODULE THEREOF - A fan structure at least includes a bearing module and a rotor, the bearing module includes a hollow cylinder body, a bearing, a limiting member and a blocking member. The hollow cylinder body comprises a ring wall and an accommodating hole, wherein the bearing, the limiting member and the blocking member are disposed at the accommodating hole in sequence. The ring wall comprises an inner ring wall and a limiting slot recessed from the inner ring wall. The blocking member comprises a body portion and a blocking portion extendedly formed at the body portion, the body portion embedded into the limiting slot, and the blocking portion is in contact against the limiting member. A rotating shaft of the rotor penetrated through the limiting member and the bearing, and a plurality limiting plates of the limiting member inserted into a ring slot of the rotating shaft. | 06-27-2013 |
20130164128 | CHARGING DEVICE - A charging device may include a shaft rotatably mounted on at least one slide bearing in a shaft bearing region. At least one flow opening for introducing and discharging a fluid may be defined on the shaft bearing region, wherein the shaft in the shaft bearing region may have two outer portions each running in a circumferential direction and axially binding an inner portion. At least one of the outer portions on its surface may include at least one microstructure. | 06-27-2013 |
20130170979 | DOUBLE ENDED BRUSH SEAL ASSEMBLY FOR A COMPRESSOR - A system having an axial brush seal assembly is provided, having a first component, a second component, at least two plates that generally oppose one another, a plurality of seal bristles, and a base plate. The first component has a first sealing surface. The second component has a second sealing surface. The plurality of seal bristles are received between the at least two plates. The plurality of seal bristles include a first end portion and a second end portion. The first end portion is configured to selectively seal against the first sealing surface and the second end portion is configured to selectively seal against the second sealing surface. At least one of the at least two plates is connected to the base plate, and the base plate supports the brush seal assembly. The axial brush seal assembly provides sealing for two leakage paths simultaneously. | 07-04-2013 |
20130195646 | GAS TURBINE ENGINE SHAFT BEARING ARRANGEMENT - A gas turbine engine includes a shaft supported by first and second bearings for rotation relative to an inlet case. The first and second bearings are positioned within a common bearing compartment. | 08-01-2013 |
20130195647 | GAS TURBINE ENGINE BEARING ARRANGEMENT INCLUDING AFT BEARING HUB GEOMETRY - An example gas turbine engine includes a housing and first and second spools coaxial with one another and arranged within the housing. The first spool is arranged within the second spool and extends between forward and aft ends. The aft end extends axially beyond the second spool. First and second bearings support the aft end of the first spool relative to the housing. An example method of assembling the gas turbine engine includes arranging a first spool within a second spool. First and second bearings are mounted between an aft end of the first spool and a fixed housing. | 08-01-2013 |
20130195648 | GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES - A gas turbine engine includes a very high speed fan drive turbine such that a quantity defined by the exit area of the low pressure turbine multiplied by the square of the low pressure turbine rotational speed compared to the same parameters for the high pressure turbine is at a ratio between about 0.5 and about 1.5. The high pressure turbine is mounted by bearings positioned at an outer periphery of a shaft driven by the high pressure turbine. | 08-01-2013 |
20130195649 | COMPRESSOR - A sealing system is equipped with: a dry gas seal | 08-01-2013 |
20130202432 | ROLLING ELEMENT BEARING CARTRIDGE WITH AXIAL THRUST DAMPING AND ANTI-ROTATION ASSEMBLIES - To solve both axial and rotational constraint problems in turbochargers with rolling element bearings (REBs), a REB sleeve or outer race is mounted to the bearing housing in a way that is not axially and radially rigid, thus allowing for oil damping films both radially and axially. At the same time, the REB sleeve or outer race is held so that the REB sleeve or outer race does not rotate relative to the bearing housing. This dual purpose is achieved using an anti-rotation ring and a damping ring. The anti-rotation ring includes at least one anti-rotation feature for engaging the bearing housing and at least one anti-rotation feature for engaging the REB cartridge, preventing rotation of the REB cartridge sleeve or outer race. The damping ring axially locates the REB cartridge and dampens axial movement and cushions axial thrust. | 08-08-2013 |
20130224015 | TURBOCHARGER, NOTABLY FOR A COMBUSTION ENGINE - Turbocharger comprising a shaft, a housing, a turbine wheel and a compressor wheel mounted onto the shaft, at least one rolling bearing located between the shaft and the housing and comprising an inner ring, an outer ring and at least one row of rolling elements between raceways provided on the rings. | 08-29-2013 |
20130224016 | Thrust Bearing Cooling Path - A compressor rotor compresses and delivers compressed air across a turbine rotor. The turbine rotor is connected to the compressor rotor such that rotation of the turbine rotor drives the compressor rotor. A shaft is connected to rotate with the turbine rotor and the compressor rotor. A thrust bearing is provided by a member extending perpendicular and radially outwardly of the shaft. The member rotates with the shaft and faces a first housing wall. A hollow chamber is formed on an opposed side of the first housing wall. A cooling air path supplies air across a thrust bearing surface, and between the member and the first housing wall. The first housing wall has a communication hole for communicating cooling air from the cooling air path into the hollow cavity to drive air within the hollow chamber. Also, a housing incorporating the communication hole is disclosed. | 08-29-2013 |
20130272871 | TURBOFAN AS TURBINE ENGINE - In a turbofan gas turbine engine, a fan shaft is rotatably mounted and radially supported by a bearing in a bearing support structure-supported from a fixed engine structure by radially frangible bolts and radially extending spokes. The radially inner ends of the radially extending spokes are mounted on a common member that engages the bearing support structure. The radially outer ends of the radially extending spokes are mounted on fixed structure of the engine located radially outwardly of the bearing support structure. The radially extending spokes are held in tension and include a super elastic material to exert a radially inward restoring force on the bearing support structure, subsequent to any radial excursion of at least part of the fan shaft relative to an engine rotational axis (X) following any fracture of the frangible bolts. | 10-17-2013 |
20130280063 | DUAL SPRING BEARING SUPPORT HOUSING - A bearing support housing for a gas turbine engine includes: an annular mounting flange; a first bearing cage including: an annular first bearing support ring; and an annular array of axially-extending first spring arms interconnecting the first bearing support ring and the mounting flange; and a second bearing cage including: an annular second bearing support ring; and an annular array of axially-extending second spring arms interconnecting the second bearing support ring and the mounting flange, the second spring arms defining spaces therebetween. The first spring arms are received between the second spring arms, and the bearing cages are sized so as to permit independent flexing motion of the first and second spring arms. | 10-24-2013 |
20130287566 | PLAIN BEARING FOR A TURBOMACHINE ROTOR AND TURBOMACHINE HAVING THE PLAIN BEARING - A plain bearing for a turbomachine rotor is proposed. The plain bearing has a bearing body for mounting the turbomachine rotor and has a solid lubricant powder for lubricating a bearing contact area between the bearing body and the turbomachine rotor. The bearing body is produced from an acid-gas-resistant, solid-solution-strengthened powder of a nickel-based material or from a martensitic, austenitic or ferritic-austenitic non-rusting powder of a steel material, and the solid lubricant powder is produced from an acid-gas-resistant material. The bearing body has a hardness of at most 40 Rockwell hardness HRC. | 10-31-2013 |
20130294909 | FAN ASSEMBLY - A fan assembly includes a bushing, a stator, a first bearing, and a rotor. The stator surrounds the bushing, and includes at least one hook. The hook extends into the bushing. The first bearing is disposed in the bushing and presses against the hook. The rotor is pivotally connected to the first bearing. | 11-07-2013 |
20130309086 | FAN BEARING RETAINING STRUCTURE - A fan bearing retaining structure includes a base and a ring member. The base has a bearing cup projected from one side thereof, and the bearing cup internally defines an axial bore for receiving a bearing therein. The ring member is fitted around an outer side of the bearing cup and defines an opening, such that an inner side of the opening tightly contacts with the outer side of the bearing cup to apply a radially inward compression toward the axial bore. With these arrangements, a portion of the axial bore corresponding to the ring member fitted around the bearing cup has a reduced inner diameter to thereby effectively retain the bearing in the bearing cup, enabling a fan to be manufactured at reduced cost. | 11-21-2013 |
20130309087 | ASSEMBLY AND METHOD OF ATTACHING STUB SHAFT TO DRUM OF AXIAL COMPRESSOR ROTOR SHAFT - An assembly and method for an axial compressor includes an axial shaft extending between an inlet casing and a discharge casing along the longitudinal length of a compressor housing. The axial shaft assembly includes a first stub shaft, a second stub shaft, and a hollow shaft drum having a longitudinal axis. The first stub shaft and the second stub shaft are coupled to opposing ends of the shaft drum along its longitudinal axis. A plurality of keys is disposed in a radial arrangement near the outer circumference of the first and second stub shafts and the shaft drum. A plurality of pins engage the plurality of keys, whereby the pins prevent the shaft drum from rotating axially relative to the first stub shaft and the second stub shaft and prevent the shaft drum from axially and radially separating from the stub shafts. | 11-21-2013 |
20130315730 | PUMP AND DRIVE BEARING FOR A PUMP - A pump for conveying a pump fluid, wherein the pump fluid provided at an inlet pressure at a low pressure side of the pump can be conveyed in the operating state to a high pressure side of the pump rotor by means of a pump rotor rotatably supported about an axis of rotation in a pump stator and wherein a rotor shaft is arranged with the pump rotor at it drive bearing formed as a shaft bearing, characterized in that a lubricating film which is formed from a lubricating fluid formed from the pump fluid can be formed on a drive side of the rotor shaft between the rotor shaft and a drive bearing in a lubricating ring gap, with a lubricant line being provided such that the lubricating fluid can be supplied to the lubricating ring gap between the rotor shaft and the drive bearing. | 11-28-2013 |
20130323045 | SEAL LAND FOR STATIC STRUCTURE OF A GAS TURBINE ENGINE - A seal land for a gas turbine engine can include a seal body circumferentially extending about a longitudinal centerline axis. The seal body includes at least one sealing surface that extends in a plane that is transverse to the longitudinal centerline axis. | 12-05-2013 |
20130323046 | SEAL LAND FOR STATIC STRUCTURE OF A GAS TURBINE ENGINE - A seal land for a gas turbine engine can include a seal body that can extend between a leading edge portion, a trailing edge portion, a radially outer surface and a radially inner surface. A notch can extend at least partially through the seal body between the radially outer surface and the radially inner surface. | 12-05-2013 |
20130323047 | FRONT BEARING SUPPORT FOR A FAN DRIVE GEAR SYSTEM - A fan shaft support assembly for a gas turbine engine includes first and second bearing assembles supported by a bearing support structure. The bearing support structure includes a first support including a first support end supporting the first bearing assembly and a second support including a second support end supporting the second bearing assembly. The first support end and the second support end are spaced apart to provide a preload on the first and second bearing assemblies. | 12-05-2013 |
20130323048 | BEARING DEVICE, IN PARTICULAR FOR A SHAFT OF A TURBOCHARGER, AND TURBOCHARGER HAVING SUCH A BEARING DEVICE - A bearing device ( | 12-05-2013 |
20140003934 | FAN STRUCTURE | 01-02-2014 |
20140003935 | COOLING FAN STRUCTURE | 01-02-2014 |
20140010645 | FAN STRUCTURE - A fan structure includes a cap, a fixing shaft, a bearing, an impeller and a protection lid, wherein the cap comprises a bottom portion, a body and an accommodating space. The fixing shaft is disposed within the accommodating space, a first end portion of the fixing shaft couples the bottom portion, and a second end portion of the fixing shaft protrudes to the body. The bearing couples to the fixing shaft, the second end portion of the fixing shaft protrudes to the bearing, and a hub of the impeller couples to the bearing. The second end portion of the fixing shaft protrudes to the hub. The protection lid couples to the second end portion of the fixing shaft to prevent lubricants for lubricating the bearing from splashing. The protection lid provides the impeller with protection to prevent the impeller from being compressed by external force to avoid destruction. | 01-09-2014 |
20140010646 | TURBINE ASSEMBLY AND METHOD FOR ASSEMBLING A TURBINE - According to one aspect of the invention, a turbine assembly includes a frame coupled to a ground surface, a bearing housing supporting a rotor bearing and a sleeve assembly attached to the frame and the bearing housing. The sleeve assembly includes an outer sleeve with a first flange on a first end that is positioned in an opening in the bearing housing and a second end that abuts the shim, an inner sleeve positioned within a portion of the outer sleeve and a bolt positioned within the inner sleeve and threadably coupled to the frame, wherein the bolt compressively loads the inner sleeve thereby loading a portion of the outer sleeve at the second end between the inner sleeve and the frame and wherein a first gap dimension is substantially maintained between the first flange and bearing housing as the bolt is preloaded and coupled to the frame. | 01-09-2014 |
20140010647 | TURBOCHARGER AND METHOD OF MANUFACTURING FLOATING BUSH - A turbocharger and a method of manufacturing a floating bush with which noise can be reduced, and the rotation speed can be increased. In a turbocharger in which a rotating shaft having a circular cross-section and connecting a turbine rotor and a compressor rotor is supported in a freely rotatable manner, at two axially separated positions via floating bushes, by an inner circumferential surface disposed so as to surround the rotating shaft in a bearing housing, an inner circumferential surface of each of the floating bushes has a non-circular shape in which the curvature of the cross-sectional shape varies in the circumferential direction. | 01-09-2014 |
20140017077 | FAN STRUCTURE AND IMPELLER THEREOF - A fan structure at least includes a cap, an impeller, a bearing and a fixing shaft, wherein the cap comprises a bottom portion, a body and an accommodating space. The impeller comprises a hub and a coupling base having a ring wall and an accommodating slot. The bearing couples to the accommodating slot, and the fixing shaft penetrates through an axial hole of the bearing. The ring wall of the coupling base comprises at least one guidance hole exposing the fixing shaft. The guidance hole is in communication with the accommodating space and the accommodating slot. The lubricants can be collected inside the accommodating space of the cap through the guidance of the guidance hole to prevent the lubricants from leakage when the impeller is in rotation. | 01-16-2014 |
20140017078 | AUXILIARY BEARING LANDING GUARD - Radial magnetic bearings ( | 01-16-2014 |
20140023496 | BEARING HOUSING OF AN EXHAUST-GAS TURBOCHARGER - A bearing housing ( | 01-23-2014 |
20140030088 | FORWARD COMPARTMENT SERVICE SYSTEM FOR A GEARED ARCHITECTURE GAS TURBINE ENGINE - A gas turbine engine includes a jumper tube that extends through a first passage and a second passge. | 01-30-2014 |
20140044540 | THRUST BEARING STRUCTURE AND SUPERCHARGER EQUIPPED WITH SAID THRUST BEARING STRUCTURE - A thrust bearing structure is equipped with a thrust collar having a collar pad, and a thrust bearing having a bearing pad at a position corresponding to the collar pad on a surface facing the thrust collar. The bearing pad has a tapered section, and a land section continuously formed on the outer edge of the tapered section. Assuming that oil droplets are supplied between the bearing pad and the collar pad, and assuming that the rotation speed of a rotor shaft is constant, the tapered section would have a sloping surface formed in such a manner that a wall thickness gradually becomes thicker toward the downstream side along the trajectory of given oil droplets based on the centrifugal forces acting on the droplets due to the rotation of the rotor shaft. | 02-13-2014 |
20140079546 | GAS TURBINE ENGINE FRONT CENTER BODY ARCHITECTURE - Disclosed is a gas turbine engine configured to include a propulsor section having a fan drive geared architecture. The gas turbine engine includes a gas generator section that includes a compressor section having a first rotor rotationally mounted to a first spool. The engine further includes a bearing package adapted for rotationally supporting the first spool. The bearing package is configured for supporting the first rotor during at least one of (1) a period prior to installation of the fan drive geared architecture into the engine and (2) a period after removal of the fan drive geared architecture from the engine. | 03-20-2014 |
20140099199 | Duplex Bearing Lubrication - A bearing system has first and second bearings each having an inner race. The inner races are mounted to a shaft. The first bearing inner race has a plurality of first ports. The second bearing inner race has a plurality of second ports. The shaft is insertable into the inner races in a plurality of orientations and has a plurality of outer diameter (OD) channels positioned to cooperate with at least the first bearing inner race to communicate with at least some of the first ports and at least some of the second ports. Regardless of said installed orientation, at least one of the second ports are in communication with at least one said inlet port along a flowpath bypassing all the first ports. | 04-10-2014 |
20140105739 | BEARING ASSEMBLIES, AND RELATED METHODS - Bearing components, bearing assemblies and related methods are provided. In one embodiment, a bearing element includes a base layer and a polycrystalline diamond (PCD) layer comprising a plurality of PCD elements coupled with the base layer wherein each PCD element comprising a substrate and a diamond table. The plurality of PCD elements may be fit together to form a substantially continuous bearing surface. For example, the diamond tables may exhibit substantially square or rectangular geometries that are fit together to define the bearing surface. In other embodiments, the bearing elements may be spaced apart from one another. In other embodiments, the bearing element may include a single PCD element formed from a prefabricated PCD compact or cutting tool blank. Various bearing assemblies may incorporate such a bearing element including, for example, thrust bearings, journal bearings, and tilting pad bearing assemblies. | 04-17-2014 |
20140112773 | CENTRIFUGAL GAS COMPRESSOR WITH A HARDENED SHAFT FOR A BEARING SYSTEM | 04-24-2014 |
20140112774 | CENTRIFUGAL GAS COMPRESSOR MAGNETIC BEARING THRUST COLLAR WITH MOUNTING PILOTS - A thrust collar ( | 04-24-2014 |
20140112775 | FAN AND BEARING THEREOF - A bearing structure includes a non-metallic column-shaped main body having a through hole, an inner wall surrounding the through hole and an outer wall surrounding the inner wall. The outer wall has at least two protruding blocks extending outward and at least one groove, wherein the groove is arranged between the two neighboring protruding blocks. A fan includes a housing a stator winding, a bearing structure and a rotation piece. The housing has a base and an accommodating space. The stator winding is disposed in the accommodating space and surrounding the base. The bearing structure is disposed in the base. The rotation piece is disposed in the accommodating space, and has a rotation case, an axial shaft connected to the rotation case and a plurality of blades each connected to the rotation case. | 04-24-2014 |
20140112776 | BEARING DEVICE FOR TURBOCHARGER - A bearing for a turbocharger includes a bearing housing having a bearing portion of the turbocharger, a rotor shaft penetrating the interior of the bearing housing, a floating bush interposed between the bearing portion and the rotor shaft and configured to supply lubricating oil to an outer peripheral surface and an inner peripheral surface via an oil supply hole interconnecting the outer and inner peripheral surfaces, and a pressure receiving part for generating pressure by catching the flow of the lubricating oil, which is provided at a position on the inner peripheral surface of the floating bush not communicating with the oil supply hole. | 04-24-2014 |
20140119912 | FILM RIDING AERODYNAMIC SEALS FOR ROTARY MACHINES - A seal assembly for a rotary machine is provided. The seal assembly includes multiple sealing device segments disposed circumferentially intermediate to a stationary housing and a rotor. Each of the sealing device segments includes a stator interface element. The sealing device segment also includes a shoe plate having one or more labyrinth teeth facing the rotor and a load-bearing surface region, wherein the shoe plate allows a high pressure fluid to an upstream portion of the forwardmost labyrinth tooth and a low pressure fluid to a downstream portion of the aftmost labyrinth tooth. The sealing device segment further includes a secondary seal in contact with the stator interface element at a radially outer end and in contact with an elevated nose of the shoe plate on a radially inner end; and multiple bellow springs or flexures attached to the shoe plate and to the stator interface element. | 05-01-2014 |
20140119913 | Gas Turbine Engine With Bearing Compartment Wall Cooling - A bearing compartment for a gas turbine engine comprises a housing that surrounds an engine axis of rotation and has an inner surface and an outer surface spaced radially outward of the inner surface. The housing defines an open volume for a lubricant and includes a bearing seat to seat a bearing for rotation about the engine axis of rotation. The housing includes at least one cooling protuberance extending into the open volume. | 05-01-2014 |
20140133978 | TURBOMACHINE BEARING ASSEMBLY PRELOADING ARRANGEMENT - A turbomachine with a shaft supporting a turbine wheel is supported for rotation in a housing. The shaft extends through a bore in the housing and a bearing assembly is disposed in the bore. The turbomachine has a first lubricating fluid slinger comprising a screw thread that is engageable with a threaded section of the shaft such that the first lubricating fluid slinger is screwable along the threaded section of the shaft so as to apply a compressive preload to the bearing assembly. | 05-15-2014 |
20140140840 | STANDARD BEARING UNIT - A standard bearing unit ( | 05-22-2014 |
20140154072 | SUPPORT FOR ROLLING BEARINGS - The present invention relates to a support ( | 06-05-2014 |
20140271176 | BEARING HOUSING - A bearing housing for use with a centrifugal pump can include a bracket and a cradle separated from the bracket by a gap. A plurality of ribs can connect the bracket to the cradle across the gap. The ribs can be sized and configured to improve cooling to help minimize operational temperatures of the cradle. | 09-18-2014 |
20140328677 | BEARING UNIT - A bearing unit ( | 11-06-2014 |
20140341732 | BEARING HOUSING OF AN EXHAUST-GAS TURBOCHARGER - A bearing housing (1) of an exhaust-gas turbocharger (2) having a turbine-side flange (3), having a compressor-side flange (4) and having a center part (5) which is arranged between the turbine-side flange (3) and the compressor-side flange (4). The turbine-side flange (3), the compressor-side flange (4) and the center part (5) are separate components which are connected to one another in the fully assembled state by a connection device (6) or thermally or by adhesive bonding. | 11-20-2014 |
20140369830 | BEARING ARRANGEMENT - A bearing arrangement is disclosed. The bearing arrangement includes first and second bearings, with each bearing including a respective support element and a respective set of rolling elements and defining a respective load path extending through the respective support element and rolling elements. The support elements are coupled such that a load applied to either support element is transmitted through both the first and second load paths. The arrangement further includes a pair of superelastic titanium alloy elements located in the respective load paths to provide resilient movement between the bearings when a load is applied to the bearing arrangement. | 12-18-2014 |
20140369831 | Vacuum Pump - A pump insert ( | 12-18-2014 |
20150016993 | DRILL PUMP WITH FIXED POSITION BUSHING - A drill powered pump is provided. The pump includes a housing, an impeller mounted within the housing and a pair of bushings that support opposite ends of the support shaft of the impeller. The bushings are carried by the housing. Anti-rotation arrangements are provided to prevent rotation of the bushings relative to the housing. | 01-15-2015 |
20150016994 | AIRCRAFT ENGINE - An aircraft engine including a fan having a center of mass, a low-pressure shaft that couples the fan directly to a low-pressure turbine of the aircraft engine, and a bearing arrangement for mounting the low-pressure shaft, where the bearing arrangement has at least two front bearings for mounting the low-pressure shaft, a first front bearing and a second front bearing, with the first front bearing being arranged in the axial direction in front of the second front bearing. It has been provided that the first front bearing is arranged substantially in the same plane, extending perpendicular to the longitudinal axis of the aircraft engine, as the center of mass of the fan. | 01-15-2015 |
20150056071 | Bearing systems for turbochagers used on internal combustion engines - A bearing system for a turbocharger rotor assembly that includes an elongated bearing carrier with anti-friction bearings on each end carried in a stationary housing. The elongated bearing carrier is supported within the housing by axially spaced elastomeric bands in grooves in the outside diameter of the bearing carrier that cooperate with grooves in the bore of the stationary housing within which the elastomeric bands are seated to carry the axial thrust of the rotor assembly in both axial directions. | 02-26-2015 |
20150118044 | Bearings for a Turbomachine Having an Electric Motor - An electronically-controlled turbocharger (ECT) includes a rotor (of an electric motor) on the shaft of the turbomachine. There are a variety of embodiments for securing the rotor onto the shaft including, but not limited to: having a taper on both the shaft on the rotor and using a nut engaging with threads in the shaft to put the two tapers together; a press fit; splines and grooves also using a nut; and a shoulder on the shaft that the rotor abuts when a nut is engaged with threads on the shaft. To accommodate these retaining features, the diameter of the shaft is greater near the turbine end of the shaft. A first bearing installed on the shaft near the turbine end of the shaft has a larger inside diameter than a second bearing installed on the other side of the rotor. | 04-30-2015 |
20150125293 | Turbofan Engine Main Bearing Arrangement - A turbofan engine ( | 05-07-2015 |
20150330252 | BEARING HOUSING - Embodiments of the present disclosure include a bearing housing of a turbine, wherein the bearing housing is configured to support a shaft of the turbine, and the bearing housing comprises at least one bearing housing ear configured to transfer a load of the bearing housing to an inlet housing of the turbine through a horizontal center line of the bearing housing. | 11-19-2015 |
20160084258 | Pump Arrangement Comprising a Plain Bearing Arrangement - A pump arrangement, in particular a magnetic clutch pump arrangement, is provided. The pump arrangement includes a pump housing containing an impeller shaft, an impeller, a casing cover adjacent to the impeller and supporting a plain bearing arrangement. The pump arrangement also includes a containment shell which seals an enclosed chamber within the inner chamber of the pump housing. The plain bearing arrangement includes first and second bearing sleeves connected to the impeller shaft, a first bearing bush which cooperates with the first bearing sleeve via a radial bearing surface and is connected to the pump housing or to a component secured to the pump housing a second bearing bush which cooperates with the second bearing sleeve via a radial bearing surface and is connected to the pump housing or to a component secured to the pump housing, and a retainer ring mounted between the first and second bearing sleeves. The retainer ring has, in the end surface facing the first bearing bush a first annular groove which receives a first axial bearing ring, and in the end surface facing the second bearing bush a second annular groove which receives a second axial bearing ring. | 03-24-2016 |
20160115824 | ROTARY SYSTEM - An object of the present invention is to provide a rotary system capable of maintaining a distance of separation between two rotary machines and inhibiting vibration in an intermediate shaft connecting rotary shafts of the two rotary machines to each other. The rotary system includes a first rotary machine having a first rotary shaft, a second rotary machine having a second rotary shaft, and an intermediate shaft device having an intermediate shaft main body having a first end portion connected to the first rotary shaft and a second end portion connected to the second rotary shaft and rotating about an axis and a plurality of bearing devices slidably supporting the intermediate shaft main body. | 04-28-2016 |
20160177783 | HOUSING SUPPORT NUT CONNECTION | 06-23-2016 |
20160186607 | BEARING SYSTEM FOR GAS TURBINE ENGINE - A bearing system is provided for a gas turbine engine. This bearing system includes a spring defined about an axis of rotation. The spring has a multiple of beams which extend between a flange and a damper attachment. A damper defined about the axis of rotation and mounted to the spring to at least partially axially overlap the multiple of beams. | 06-30-2016 |
20160201508 | GAS TURBINE ENGINE AND FOIL BEARING SYSTEM | 07-14-2016 |
20160201727 | Bearing assembly support | 07-14-2016 |
20170234157 | Rotor Support System With Shape Memory Alloy Components For A Gas Turbine Engine | 08-17-2017 |
20190145278 | Turbocharger | 05-16-2019 |
20190145279 | Turbocharger | 05-16-2019 |
20190145280 | Turbocharger | 05-16-2019 |
20190145281 | Turbocharger | 05-16-2019 |