Class / Patent application number | Description | Number of patent applications / Date published |
464007000 | HAVING LUBRICATING MEANS | 49 |
20080261704 | SHAFT TUBE SYSTEM FOR BRAKE FOUNDATION - A shaft tube system comprises a shaft having an elongated body, a cam at a brake end and a coupler at an actuated end. A shaft tube accommodates the shaft such that a cavity is defined between the elongated body of the shaft and an interior of the shaft tube with the shaft being rotatable along its longitudinal axis within the shaft tube. The shaft tube has a blockable inlet in fluid communication with the cavity to supply lubricant to the cavity. Seals are positioned between the shaft and the shaft tube at opposed ends of the shaft tube so as to define a lubricant reserve in said cavity, to lubricate the shaft with respect to the interior of the shaft tube. A purge system has a purge outlet in the shaft tube in fluid communication with the cavity adjacent to the brake end for lubricant from the lubricant reserve to be purged therethrough, and a flow control member for each said purge outlet restricting an exit of lubricant through the purge outlet. | 10-23-2008 |
20090011840 | Structure of Anti-Vibrating Rotation Shaft - The present invention provides a supporting rack one lateral end thereof is provided with a connecting section and the base thereof is provided with an extending section at least one clamping ring is formed at the free end of the extending section and an opening is provided between the clamping ring and the extending section; an auxiliary connecting member used to connect a reinforcing sheet to the extending section a positioning sheet is formed by vertically bending one end of the reinforcing sheet and is formed as one piece with the reinforcing sheet; a core hole is axially provided on the positioning sheet, with respect to a location of a shaft hole of the clamping ring and with respect to a size of a shaft rod; a pivotal shaft the shaft rod is axially extended from the pivotal shaft; the shaft rod passes through the core hole of the positioning sheet and is tightly connected thereon, and is covered by at least one clamping ring. | 01-08-2009 |
20090029781 | GREASABLE CV-JOINT WHEEL HUB - A greasable wheel hub ( | 01-29-2009 |
20100234112 | Universal joint and method for production thereof - The present invention provides a universal joint which is excellent in the performance of retaining a lubricant, is capable of suppressing an exudation amount of a lubricating component to a necessary minimum amount and preventing the lubricant from scattering from an open portion when the lubricant is deformed by an external force, has a long life, costs low, and is excellent in the productivity thereof; and a method for producing the universal joint. In the universal joint, a rotational torque is transmitted by engagement between a torque transmission member ( | 09-16-2010 |
20100234113 | ROTARY LEAD-THROUGH FOR SUPPLYING OIL TO A TRANSMISSION SHAFT COMPRISING AN AXIALLY EXTENDING BORE OR OIL PASSAGE - A rotary feed-through is proposed to supply oil to a transmission shaft ( | 09-16-2010 |
20100292013 | Universal Joint with Improved Ball Lubrication - A universal joint with improved ball lubrication, the improvement wherein each yoke has a ball head at an inward end of the yoke, the centering plate has a tube in which the ball heads of the yokes are slideably received to establish a slideable connection between the ends of the yokes and the centering plate, and the lubricant is supplied from the second passageway to an interior of the tube. A shield substantially encloses the joint in combination with the tractor master shield and has lubrication fitting access holes. | 11-18-2010 |
20110028222 | LENGTH-ADJUSTABLE SHAFT - The invention relates to a length-adjustable shaft comprising—an outer sleeve-shaped axial part; —an inner axial part which can be pushed into and deployed out of the outer axial part in a telescopic fashion and which encloses a buffer chamber; —having a bearing which is arranged between the two axial parts and which can be lubricated with a lubricant; —that end of the inner axial part which can be pushed into the outer axial part has an end wall; —a ventilation opening is provided which connects, in a conducting fashion, the buffer chamber to the cavity which is enclosed by the outer axial part. The invention is characterized by the following features: the ventilation opening comprises at least one bore which is offset with respect to the rotational axis of the shaft. | 02-03-2011 |
20110028223 | Dual-Mass Flywheel Having Radially Arranged Wire Cushion Bodies - A dual-mass flywheel has a first mass body and a second mass body which can rotate relative to one another by way of a damping device disposed between the first mass body and the second mass body. The damping device includes, running in the shape of an arc, at least one helical compression spring, which introduces spring force into the mass bodies via contact surfaces formed on the first mass body and the second mass body. The helical compression spring is guided in the radial direction by a wall formed by a mass body. At least one friction-reducing sliding component in the form of a wire cushion body is provided between the wall and the helical compression spring. | 02-03-2011 |
20110195793 | DAMPER HAVING TORQUE LIMITER FUNCTION - A damper includes an outer cover having a front cover and a rear cover. The covers are joined to form a lubricant oil accommodation chamber for accommodating liquid. A damper device, a limiter mechanism, a first plate including a first collar portion located toward the front of the limiter mechanism, and a second plate including a second collar portion located toward the rear of the limiter mechanism are arranged in the outer cover. The limiter mechanism includes a first limiter plate, which is an input side on the torque transmission path, a second limiter plate, which is an output side on the torque transmission path, and a limiter disc spring, which presses the limiter plates. | 08-11-2011 |
20110306429 | GREASE COMPOSITION, GREASE-PACKED BEARING, UNIVERSAL JOINT FOR PROPELLER SHAFT, LUBRICATING OIL COMPOSITION, AND OIL-IMPREGNATED SINTERED BEARING - The present invention provides a grease composition or a lubricating oil composition which is capable of effectively preventing hydrogen brittleness-caused peeling from occurring on a rolling surface of a rolling bearing, is excellent in durability in a high temperature and speed operation, and can be used for a long time. A grease-packed bearing ( | 12-15-2011 |
20120010003 | ANNULAR FLOW DISTRIBUTION CONTROL OF LUBRICATION OIL BETWEEN CONCENTRIC ROTARY SHAFTS - A concentric cylinder drive assembly ( | 01-12-2012 |
20120015749 | Lubricant Circuit Including a Cap Plug - A circuit for carrying hydraulic lubricant in a transmission includes a shaft including a duct, a second shaft separated by a space from the shaft, and including a second duct, and a cup plug including a leg that extends across the space, the leg and the second shaft forming a passage directed between an end of the leg and the space, and a cap having an orifice connecting the ducts. | 01-19-2012 |
20120129614 | SHAFT ARRANGEMENT - Shaft arrangement having a shaft and at least one component, which is arranged on the shaft and which is to be lubricated and/or cooled by means of a fluid, a fluid feed device being designed to feed the fluid to the shaft arrangement radially from outside. | 05-24-2012 |
20120165104 | GREASE COMPOSITION - A grease composition including:
| 06-28-2012 |
20120184377 | Elastic Coupling in Disc Construction - The invention relates to an elastic coupling in disc construction, in particular for damping torsional vibrations of an internal combustion engine, having the following features:
| 07-19-2012 |
20120214604 | Extended Plunge Constant Velocity Joint - An outer race assembly for a constant velocity joint is disclosed. The outer race assembly may include an outer race defining a plurality of tracks and a piston selectively moveable along the tracks of the outer race. The outer race assembly may further include a seal disposed about the piston and abutting the outer race about substantially an entire perimeter of the piston. The seal thereby generally seals an interface between the piston and the outer race. | 08-23-2012 |
20120220379 | SHAFT - A shaft, including an outer peripheral surface; an inner peripheral surface; an oil flow passage that is formed in the shaft and is defined by the inner peripheral surface; a large inner-diameter portion having a first inner diameter; a small inner-diameter portion adjoining the large inner-diameter portion in one direction along an axial direction of the shaft, and having a second inner diameter smaller than the first inner diameter; and a through hole extending from an inner peripheral surface of the large inner-diameter portion to the outer peripheral surface of the shaft. The small inner-diameter portion is formed by bending radially inward an extending portion, which extends in the one direction from the large inner-diameter portion. | 08-30-2012 |
20120283027 | Central Lubrication of Articulated Shafts - A central lubrication system for lubricating a telescopic shaft ( | 11-08-2012 |
20130059668 | SHAFT ARRANGEMENT FOR A TRANSMISSION - A shaft arrangement for a transmission comprises a shaft having an axial bore connected to an oil supply system, at least one loose wheel rotatably supported on the shaft via a bearing, and a shift clutch arrangement which connects the loose wheel for rotation with the shaft. The shift clutch arrangement comprises a guide sleeve connected for rotation with the shaft via a tooth engagement. The axial bore supplies oil to the bearing and shift clutch arrangement via a transversal bore in an area of the tooth engagement between the guide sleeve and the shaft. A channel in at least one of an area of a toothing of the guide sleeve and an area of the toothing of the shaft, which, together with the guide sleeve toothing, forms the tooth engagement connects the transversal bore with an area between the guide sleeve and the bearing. | 03-07-2013 |
20130079158 | GREASE COMPOSITION FOR CONSTANT VELOCITY JOINT AND CONSTANT VELOCITY JOINT - The invention provides a grease composition for constant velocity joint containing the components (a) to (g) below and a constant velocity joint containing said composition. (a) a diurea thickening agent having the following formula (1): | 03-28-2013 |
20130109481 | SHAFT BEARING LUBRICANT AERATOR, SYSTEM, AND METHOD | 05-02-2013 |
20130150168 | DURABLE TORSIONAL VIBRATION DAMPER - A torsional vibration damper for operation in an oil bath comprising an input flange for connecting to a drive motor, an output flange for connecting to a transmission, and a bow spring for the torsionally elastic coupling of the input flange to the output flange, where the bow spring is in contact radially on the outside with an encircling holding device that is formed on one of the flanges. At the same time, the holding device has an opening in the area of the bow spring, in order to enable a flow of oil through an area of contact of the bow spring with the holding device. | 06-13-2013 |
20130267331 | LUBRICATION MANAGEMENT SYSTEM FOR A ROTATING SHAFT ASSEMBLY AND METHOD OF FORMING - A lubrication management system for a rotating shaft assembly includes a shaft rotatable about a central axis and in operable connection with at least one component, wherein lubrication is supplied proximate an outer diameter of the shaft. Also included is a lubrication manipulation device for directing the lubrication radially away from the outer diameter of the shaft, wherein the lubrication manipulation device comprises a threaded portion for fixedly securing the lubrication manipulation device to the outer diameter of the shaft. | 10-10-2013 |
20150080134 | LUBRICATION STRUCTURE FOR TRANSMISSION - A guide groove including a groove section extending from the vicinity of an entrance of a main passage to a side opposite the entrance is formed on the inner circumferential surface of a main passage. The groove section is provided in an inclined fashion with respect to the axial direction such that lubricating oil inside the groove section is sent towards the side opposite the entrance by rotation of a rotary shaft in a predetermined direction. Of a plurality of subsidiary passages, the entrance of a subsidiary passage that is most distant from the entrance of a main passage is disposed in the guide groove. In a lubrication structure for a transmission, insufficient lubrication is effectively prevented in parts requiring lubrication corresponding to the subsidiary passages, irrespective of the positions of the subsidiary passages in the axial direction, while avoiding increase in the size of the transmission. | 03-19-2015 |
20150308557 | ADAPTER ASSEMBLY - An adapter assembly for connecting a transmission unit and a motor unit-includes an adapter housing; a bearing disposed in the adapter housing; an adapter shaft rotatably mounted in the bearing; at least one lubricant chamber encompassing the adapter shaft for receiving lubricant and configured to supply the lubricant to the bearing; and a lubricant seal surrounding the adapter shaft on the motor side of the bearing for sealing the lubricant chamber from the motor side of the adapter assembly. The adapter assembly has at least one first channel supplying the lubricant from the surroundings of the adapter assembly to the lubricant chamber. The lubricant chamber is connected to the transmission side of the adapter assembly via a transmission-side opening in the adapter assembly, and/or the adapter assembly has a second channel configured to discharge the lubricant from the lubricant chamber into the surroundings of the adapter assembly. | 10-29-2015 |
20160025183 | DAMPER ASSEBMLY SEALING ARRANGEMENT - A damper assembly for a motor vehicle drive train is provided. The damper assembly includes a spring retainer retaining arc springs; an engine-side cover for connecting to an engine crankshaft, the spring retainer being fixed to the engine-side cover; and a seal configuration between the engine-side cover and the spring retainer. The seal configuration, the engine-side cover and the spring retainer define an arc spring cavity for lubricating fluid to lubricate the arc springs. The seal configuration is configured to prevent lubricating fluid from radially exiting the arc spring cavity during rotation of the damper assembly about a center axis thereof. A method of forming a damper assembly is also provided. | 01-28-2016 |
20160032769 | OIL TRANSFER PASSAGE ARRANGEMENT FOR A SHAFT OF A GAS TURBINE ENGINE - A shaft for a gas turbine engine includes a shaft bore along an axis, a circumferential groove within the shaft bore, a multiple of first axial grooves from said circumferential groove and a multiple of second axial grooves from said circumferential groove. | 02-04-2016 |
20160061252 | TRANSMISSION DEVICE - A transmission is provided including a splitter shaft having a concentric cavity defined in a distal end thereof and an outer wall surrounding the cavity. The outer wall has an increased thickness in order to reduce failure and fracturing in the outer wall area. A bearing hub adapted for supporting a larger bearing is also provided. The improved transmission may include a system for utilizing existing lubrication lines in order to lubricate a center section of the transmission. The components of the present invention may be provided as part of a kit for retrofitting an existing transmission in order to reduce failures and increase lifespan. | 03-03-2016 |
20160146249 | Countershaft - A countershaft as disclosed herein may include one or more bearing zones along its axial length. Each bearing zone may include one or more radial holes in fluid communication with one or more grooves, respectively, and one or more axial channels formed along the longitudinal length of the countershaft. Each groove may be positioned adjacent an interface between a rotating member and a non-rotating member and include one or more features therein, such as a profile and/or taper. | 05-26-2016 |
20160160905 | FLEX SHAFT - TOOL CONNECTION FOR POWER OPERATED ROTARY KNIFE - A flexible shaft drive transmission coupled between a drive motor and a gear train of a power operated tool. The flexible shaft drive transmission includes: an outer casing having a bushing positioned at a tool end of the casing, the bushing defining a longitudinal central opening; lubricant disposed within the outer casing; and an elongated drive transmitting shaft assembly rotatable within the outer casing including a flexible drive transmitting and a coupler fitting affixed to the tool end of the drive transmitting shaft, the coupler fitting including a cylindrical body and an enlarged head extending distally from the cylindrical body, the cylindrical body fitting within the longitudinal central opening of the bushing and the enlarged head having a diameter greater than a diameter of the longitudinal central opening of the bushing. The enlarged head defining a square drive aligned with a central longitudinal axis of the drive transmitting shaft assembly. | 06-09-2016 |
20160252136 | Device for Transmitting a Torque in a Range Extender | 09-01-2016 |
20190145491 | VIBRATION REDUCTION DEVICE | 05-16-2019 |
464011000 | For coupling having torque transmitted via radially directed pin received in conforming aperture | 4 |
20090124397 | Grease Reduction Insert - An articulating joint apparatus includes a first rotational member having an axis, a second rotational member coupled with and positioned generally coaxial to the first rotational member, and a boot cover assembly for sealing at least part of the first rotational member to the second rotational member. The boot cover assembly is selectively coupled to both the first rotational member and the second rotational member. The joint apparatus also includes an insert positioned at least partially between the first rotational member and the second rotational member. The insert will deform in response to axial movement of the second rotational member relative to the first rotational member. | 05-14-2009 |
20090305793 | Rotary homokinetic joint - The invention relates to a rotary homokinetic joint ( | 12-10-2009 |
20110053695 | SHUDDERLESS INBOARD CONSTANT VELOCITY JOINT - A shudderless inboard CV joint having both oil storage chambers formed around each track of an outer race and around a journal of a trunnion and an oil groove formed in an outer ring of each roller assembly. The CV joint includes an outer race connected to a first shaft and having tracks therein; a trunnion connected to a second shaft and having radial journals; and a roller assembly having both an inner ring fitted over each journal and an outer ring engaging with each track so as to be movable in an axial direction of the track, wherein an oil storage chamber is formed around an upper portion of each track and oil is supplied to the oil storage chamber, thus reducing friction formed between the track and the outer ring. | 03-03-2011 |
464014000 | Pin includes longitudinally extending internal passage | 1 |
20090011841 | Thrust washer for universal joint cross - A cross for a universal joint includes a body including an outwardly extending trunnion and a bearing cup mounted on the trunnion. A thrust washer is disposed between the trunnion and the bearing cup. The thrust washer includes an outer edge portion, a spacer portion that extends from the outer edge portion and is curved in cross sectional shape, a spring portion that extends generally radially inwardly from the spacer portion and is shaped generally in the form of a hollow cone, and an inner lip portion that extends inwardly from the spring portion. The thrust washer absorbs thrust loads that occur between an outer end surface of the trunnion and an inner surface of a closed end of the bearing cup and takes up any axial looseness therebetween. | 01-08-2009 |
464015000 | For coupling having torque transmitted via a ball | 9 |
20100099503 | LUBRICATING SYSTEM AND UNIVERSAL JOINTS WITH THE SYSTEM - The present invention provides a lubrication system that improves the force of retaining a lubricating component of a foamed lubricant, is capable of minimizing the amount of exudation of the lubricating component which occurs owing to deformation of the foamed lubricant, is capable of compensating for a lubricating function even when the lubricating component exudes insufficiently from the foamed lubricant, and is capable of complying with a demand that the lubrication system has a long life and can be produced at a low cost. The lubrication system comprises a foamed lubricant containing a lubricating component in a resin thereof which foams, hardens, and becomes porous and a grease for auxiliary lubrication which is present together with the foamed lubricant in a portion to be lubricated. The grease for auxiliary lubrication satisfies a condition that (1) a penetration thereof is not less than 175 and less than 285 or that (2) a mixing ratio of a thickener to the grease for auxiliary lubrication is not less than 10 wt % and less than 40 wt %. As shown in the drawings, a foamed lubricant (9) and a grease (10) for auxiliary lubrication are present together inside a universal joint. | 04-22-2010 |
20100099504 | FIXED-TYPE CONSTANT VELOCITY UNIVERSAL JOINT - The present invention provides a fixed-type constant velocity universal joint that can sufficiently interpose a lubricant between a torque transmitting ball and a guide groove, and reduce frictional force. The fixed-type constant velocity universal joint of the present invention includes an outer joint member | 04-22-2010 |
20110065515 | CONSTANT VELOCITY JOINT AND METHOD OF MAKING - A constant velocity joint is disclosed that includes a first rotatable shaft, the first shaft comprising an axle portion having on one end an enlarged pocket end, the pocket end having a plurality of circumferentially and radially spaced ball pockets and a distal end; a corresponding plurality of spherical balls disposed in the pockets; and a second rotatable shaft comprising a joint housing, the joint housing having a central bore with a corresponding plurality of axially extending, circumferentially and radially spaced ball grooves disposed about the second longitudinal axis and a base, the joint housing disposed over the pocket end with the corresponding plurality of balls disposed in the grooves, the joint providing a range of angular and axial movement of the first shaft relative to the second shaft, each of the plurality of ball pockets having a recessed lubricant reservoir, the lubricant reservoir having a lubricant disposed therein. | 03-17-2011 |
20110136578 | GREASE COMPOSITION AND GREASE COMPOSITION-ENCLOSED ROLLING BEARING AND UNIVERSAL JOINT - It is an object of the present invention to provide a grease composition ( | 06-09-2011 |
20110207535 | Grease, rolling bearing, constant velocity joint, and rolling parts - The present invention provides grease which prevents frictional wear on a lubricating surface and excellent in performance of preventing occurrence of flaking, heat-resistant performance, and long-term durability, a grease-enclosed rolling bearing, a constant velocity joint, and rolling parts. Grease is composed of base grease, essentially containing a thickener, to which at least 0.01 to 15 wt % of one substance selected from among bismuth and inorganic bismuth compounds is added. The inorganic bismuth compounds are at least one inorganic bismuth selected from among bismuth sulfate, bismuth trioxide, bismuth carbonate, and sodium bismuthate. The above-described grease is used for the rolling bearing and the constant velocity joint. A coating film of at least one substance selected from among the bismuth and the inorganic bismuth is formed on surfaces of the rolling parts. | 08-25-2011 |
20130252743 | SEALING ELEMENT FOR A CONSTANT VELOCITY JOINT AND CONSTANT VELOCITY JOINT ASSEMBLY - A sealing element for sealing a joint chamber of a constant velocity joint is disclosed. The sealing element comprises an inner collar for providing a sealing connection relative to an inner joint part of the constant velocity joint, an outer collar for providing a sealing connection relative to an outer joint part of the constant velocity joint, and a membrane portion which extends between the inner collar and the outer collar. The membrane portion between the inner collar and the outer collar is fold-free and substantially conical in shape. A joint assembly having a constant velocity joint and a sealing element is also disclosed. | 09-26-2013 |
20140024466 | Over-Molded Vent Valve - A constant velocity joint may include a joint chamber and a cover defining a bore and configured to seal the joint chamber and prevent lubricant from leaving the joint chamber. A vent valve may be disposed within the bore and define at least one opening. The opening may be a one-way valve configured to exhaust gas from the joint chamber and while maintaining lubricant within the joint chamber. | 01-23-2014 |
20160017929 | Propeller Shaft and Adapter Member for Propeller Shaft - Provided is a low-cost propeller shaft adaptable to multiple variations of input/output shafts. | 01-21-2016 |
20160108970 | Articulated Drive Shaft - An articulated drive shaft for a downhole mud motor is provided for transmission of torque and thrust loads from one member to another mainly comprising a driven member, ball members, a plurality of rollers, ball socket members and cylindrical driver members. The drive shaft is allowed to transmit torque and thrust loads through a given angular range between the axes of members on each end of the assembly. Several sealing means for retaining lubricants within the joints are provided while maintaining the mud motor's ability to articulate within borehole. A flow diverter may also be incorporated into the drive shaft to provide a means for fluid passage through the chive shaft. | 04-21-2016 |
464016000 | For coupling having torque transmitted via intermeshing teeth | 4 |
20110081975 | High speed gear coupler - The coupling apparatus includes a gear shaft, including a sun gear at one shaft end for connecting to a reduction gear box. The sun gear drives a planetary gear train inside the gearbox. The coupling apparatus has outer splines on the gear shaft other end that mesh with inner splines of a ring gear connected to a coupling flange member by bolts and nuts. The flange member transmits high torque from a high speed turbine shaft to the gear shaft through the intermeshed splines. The teeth of the inner and outer splines are kept lubricated from a stationary spray source on the turbine side via an oil catcher mounted on the flange member opposed to the ring gear. The flow of lubricating oil during operation is from the oil catcher, through holes in the flange member, and to the intermeshed splines. Both oil catcher and ring gear are centered by a rim positioned on the flange member. | 04-07-2011 |
20140274420 | SPLINE LUBRICATION SYSTEM - A gearbox assembly for use in a gas turbine engine includes a gearbox housing and first and second shafts. The first shaft is rotatably mounted in the gearbox housing. The first shaft has a first set of splines and defines a central cavity. The second shaft has a second set of splines engaged with the first set of splines. A scupper is positioned on an inner surface of the gearbox housing proximate the first shaft so as to direct liquid from the scupper through the central cavity of the first shaft to the first and second sets of splines. | 09-18-2014 |
20150072794 | ROLLING MILL DRIVE COMPRISING A TOOTHED ARTICULATED SPINDLE - The invention relates to a rolling mill drive ( | 03-12-2015 |
20160091081 | LUBRICATED GEAR COUPLING - A lubricated gear coupling for transmitting torque between an input shaft and an output shaft, comprising a first hub connected to the input shaft, the first hub comprising at least one gear tooth and a first raised edge, a second hub non-rotatably connected to the output shaft, the second hub comprising at least one gear tooth and a second raised edge, a sleeve gear comprising at least one gear tooth, wherein the first hub and the second hub are arranged within the sleeve gear, the gear tooth of the first hub and second hub corresponding with the gear tooth of the sleeve gear, wherein torque is transmitted from the input shaft to the output shaft with axial, radial, and angular movement occurring between the first hub and the second hub and, a draining means arranged on the sleeve gear, wherein the lubricant can flow through. | 03-31-2016 |