| Entries |
| Document | Title | Date |
|---|
| 20080200299 | MULTI-SPEED GEARBOX FOR LOW SPOOL DRIVEN AUXILIARY COMPONENT - A turbine engine power generation system includes a gearbox that receives rotational drive from a low spool through an input gear, in one example. The gearbox includes first and second clutches that are coupled to an input shaft of an auxiliary component, such as a generator. First and second output gears are driven at different rotational speeds by the input gear and respectively associated with the first and second clutches. An actuator selectively engages at least one of the first and second clutches to select between first and second rotational speeds in response to a command from a controller. | 08-21-2008 |
| 20080220929 | Engine-Driven Vehicle Having a Gear Mechanism for an Auxiliary Unit, in Particular as a Planetary Gear Set for Integration Into the Drive of the Auxiliary Unit, and Corresponding Gear Mechanism - The present invention relates to a gear mechanism, in particular to a planetary gear set, which can be used in a motor vehicle in order to make it possible, in an advantageous way in terms of energy, to drive auxiliary units of the motor vehicle from the main drive device in a speed-adapted and therefore power-adapted manner. | 09-11-2008 |
| 20080300097 | Planetary Gear Set and Method for Producing the Same - A planetary gear set includes a sun gear; pinions that are positioned around the sun gear and that mesh with the sun gear; and a ring gear that is positioned on the outer side of the pinions and that meshes with the pinions. Each pinion has a plurality of teeth on the outer surface thereof. Each tooth has a first tooth surface and a second tooth surface on opposite sides of the tooth, which can contact tooth surfaces of the sun gear and the ring gear. The deviation of the first tooth surface from the corresponding reference surface differs from the deviation of the second tooth surface from the corresponding reference surface. | 12-04-2008 |
| 20090005213 | Planetary gear mechanism - The invention proceeds from a planetary gear mechanism having at least one drive unit ( | 01-01-2009 |
| 20090042687 | ARRANGEMENT OF ADJACENT PLANETARY GEARSETS IN A TRANSMISSION - An arrangement of two adjacent planetary gearsets ( | 02-12-2009 |
| 20090098975 | HAND-HELD ROTATING POWER TOOL - A rotating power tool has a transmission assembly having a transmission casing, a common annulus, at least two planetary gear assemblies and a thrust washer assembly. The common annulus is tubular, is mounted securely in the transmission casing and has an inner surface and multiple teeth. The planetary gear assemblies are connected in series in the common annulus, and each planetary gear assembly has a sun gear, a planet carrier and at least three planetary gear assemblies. The planet carrier is an annular bracket. The planetary gear assemblies are mounted around and engage a sun gear and the teeth in the common annulus. The thrust washer assembly is mounted between adjacent planetary gear assemblies. Consequently rotation of the transmission assembly is smooth and stable. The thrust washer assembly damps reactive force to prevent damage and guarantee normal operation of the hand-held rotating power tool. | 04-16-2009 |
| 20090105033 | PLANETARY GEAR SET EQUIPPED WITH PINION SHAFT AND CARRIER - A planetary gear set equipped with a pinion shaft and a carrier according to an exemplary embodiments of the present invention includes: a pinion shaft having a engaging portion that protrudes in a longitudinal direction on an end thereof; a carrier into which the engaging portion of the pinion shaft is inserted; and a fastener engaged to the engaging portion of the pinion shaft, such that a portion of the carrier is fixed to the pinion shaft. | 04-23-2009 |
| 20090105034 | CONNECTION OF SHEET METAL COMPONENTS OF A TRANSMISSION - The invention relates to a connection of sheet metal components of a transmission, wherein the connection has at least one form fit between at least one first sheet metal component and at least one second sheet metal component, and here, the form fit is formed by means of at least one journal which projects out of the first sheet metal component, wherein the journal engages into an opening, which at least partially corresponds to the outer contour of the journal, on the second sheet metal component. | 04-23-2009 |
| 20090105035 | PLANETARY GEARSET - A planetary gearset provided with a sun gear, a ring gear, and a carrier that rotatably retains a plurality of pinion gears arranged between the sun gear and the ring gear as elements, in which one of the elements is made a fixed element and one of the other elements is made a rotating element, and which transmits torque between that rotating element and an external member provided in a location eccentric with respect to that rotating member. The planetary gearset is constructed such that the fixed element is movably retained in the direction of a load from the transmission of torque between the rotating element and the external member, and the load from the transmission of torque between the rotating element and the external member is received by a fixed portion that rotatably retains that rotating element. | 04-23-2009 |
| 20090156353 | Planetary gear set - A planetary gear set includes: a sun gear, a plurality of planetary gears externally meshed with the sun gear, and a carrier that interconnects the plurality of planetary gears such that the plurality of planetary gears revolve around a exterior circumference of the sun gear, and an arrangement of the plurality of planetary gears is rotationally non-symmetrical. | 06-18-2009 |
| 20090170655 | PLANET CARRIER OF A PLANETARY STAGE WITH A BOGIE PLATE - A planet carrier of a planetary stage, the planet carrier having a bogie plate, both sides of which planet wheels can be mounted, characterized in that the planet carrier with its bogie plate is made as one monolithic piece. | 07-02-2009 |
| 20090176615 | Epicyclic Reduction Gear With Multiple Modular Stages for Tubular Motor Reducers Operating Winding Roller Shutter,Roller Shades and the Like - The present invention relates to an epicyclic reduction gear with multiple modular stages (M | 07-09-2009 |
| 20090186740 | GEAR UNIT FOR A WIND TURBINE - A gear unit for a wind turbine having an input shaft connected to the rotor hub of the wind turbine and an output shaft for connection to an electrical power generator, characterized in that the gear unit is provided with a hollow tube which is concentric with the main rotation axis and which extends through the gear unit from the input shaft to the output shaft, whereby this hollow tube provides a sealing for the gear unit in storage and transport. | 07-23-2009 |
| 20090203491 | OUTBOARD MOTOR - In an outboard motor, a speed reduction mechanism includes an inner gear connected with an input shaft (i.e., second output shaft), a planetary gear that meshes with the inner gear and that rolls inside the inner gear, and a sun gear that meshes with the planetary gear and that is not rotatable. A shaft portion of a carrier that supports the planetary gear, and a shaft core portion of the sun gear, preferably have a cylindrical or substantially cylindrical shape. The shaft portion of the carrier is inserted and arranged to overlap with the shaft core portion of the sun gear in a direction perpendicular or substantially perpendicular to the shaft. The output shaft (i.e., drive shaft) is inserted and coupled to the shaft portion of the carrier. Accordingly, this provides an outboard motor that makes it possible to prevent the size of a speed change device from increasing in size when a speed reduction mechanism is added. | 08-13-2009 |
| 20090203492 | CARRIER OF A PLANETARY GEAR DEVICE, A PLANETARY GEAR DEVICE PROVIDED WITH THE CARRIER, AND AN OUTBOARD MOTOR PROVIDED WITH THE PLANETARY GEAR DEVICE - A carrier of a planetary gear device has a lid portion that has the shape of a disk that extends in a radial direction from a boss joined to a second rotational shaft, a bottom portion opposing the lid portion, and a sidewall portion that extends from a perimeter of the bottom portion toward the lid portion. A shielding wall that extends to a side of the bottom portion is arranged inside a perimeter of the lid portion. An end of the sidewall portion is connected to a corner portion arranged with the perimeter portion and the shielding wall. A connecting surface portion is welded in a direction from an outside. This arrangement provides a planetary gear type transmission device that reduces weight and cost while a necessary strength of a carrier is ensured, and an outboard motor provided with the transmission device. | 08-13-2009 |
| 20090221396 | High Ratio Gear Reducer - A gear reducer includes a rotatable planet carrier supporting at least one planetary gear for axial rotation thereon, a stationary ring gear extending around and engageable with the at least one planetary gear, and a moveable ring gear extending around and engageable with the at least one planetary gear. A pitch diameter of the stationary ring gear is substantially identical to a pitch diameter of the moveable ring gear. | 09-03-2009 |
| 20090239701 | Printing apparatus with planetary gear unit for resolving paper jam - A printing apparatus includes a housing including a feeding tray and an ejecting tray, an image forming unit disposed in the housing, a drive motor disposed in the housing, and a driving device disposed in the housing and driven by the drive motor. The driving device is adapted to convey a sheet of paper from the feeding tray onto the ejecting tray, and includes first and second driving units. The first driving unit includes a sun gear rotatable about an axis, a planet carrier rotatable about the axis, and a planetary gear disposed rotatably on the planet carrier and meshing with the sun gear. The second driving unit includes a driven gear meshing with the planetary gear. The planet carrier is pivotable relative to the sun gear to remove the planetary gear from the driven gear. | 09-24-2009 |
| 20090280948 | METHOD FOR DETERMINING THE ROTATIONAL SPEED OF THE MAIN SHAFT OF A TRANSMISSION, AND TRANSMISSION COMPRISING A DEVICE FOR DETECTING ROTATIONAL SPEED - The present invention relates to a method for determining the rotational speed of the main shaft ( | 11-12-2009 |
| 20090286644 | PLANETARY GEAR UNIT AND METHOD FOR PRODUCING A PLANETARY GEAR UNIT - A planetary gear unit ( | 11-19-2009 |
| 20090318257 | CLUTCH TOOTH INDEX AND STEP FOR MULTIPLE CAST CLUTCHES IN ONE HOUSING - A housing for a multi-stage clutch assembly is formed to include a shoulder upon which a backing plate of a first stage clutch pack may be positioned to transfer a load from the first stage clutch pack to the housing. | 12-24-2009 |
| 20100035719 | Epicyclic gearing - An epicyclic gearing includes an annulus comprising a rear bore, an intermediate toothed section, and a stepped front engagement section; a gear assembly comprising front and rear discs, a central hole through the discs, and planet gears rotatably mounted between the discs wherein a portion of the gear assembly is mounted in the toothed section with a rear portion of the teeth of the planet gears meshed with the toothed section; a sun gear comprising outer teeth and having one end passing the bore and the hole to mesh with the teeth of the planet gears; a transmission member comprising a rear ring gear in the engagement section to mesh with a front portion of the teeth of the planet gears and a front drive shaft with a raised key; and a bearing mounted between the ring gear and the engagement section. | 02-11-2010 |
| 20100041510 | Connector engage mechanism - An electrical assembly comprises an upper electrical center assembly and a lower mounting bracket lift assembly that is adapted for being secured to a support panel such as a support panel in an automobile. After the lower mounting bracket lift assembly is secured to the support panel, the upper electrical center assembly is attached to the lower mounting bracket lift assembly. The lower mounting bracket lift assembly is then operated to plug wiring harness end connectors in the lower mounting bracket lift assembly into lower sockets of the upper electrical center assembly. | 02-18-2010 |
| 20100056321 | GEARING ARRANGEMENT - A gearing arrangement is disclosed herein. The gearing arrangement includes a shaft operable to rotate about an axis of rotation. The gearing arrangement also includes a first gear fixed for rotation with the shaft and encircling the axis of rotation. The gearing arrangement also includes a plate member positioned radially adjacent to the shaft. The gearing arrangement also includes a second gear operable to mesh with the first gear. The gearing arrangement also includes a layshaft supporting the second gear. The layshaft extends along a central axis between first and second ends. The layshaft is engageable with the plate member in a plurality of different positions to adjustably position the second gear relative to the first gear. | 03-04-2010 |
| 20100062894 | Internal Gear and Cap Assembly and Method of Manufacture Thereof - An internal gear and cap assembly includes a gear having a base that extends about an axis between a first and second end. The first end defines a groove that extends to a floor and the groove surrounds the axis. Teeth extend from the base. A lip extends from the first end and also surrounds the axis. A cap has a flange that is inserted into the groove. The lip is deformed toward the groove such that material from the lip flows to trap the flange between the lip and the floor of the groove to retain the cap to the gear in the axial direction. Slots may be defined in the flange such that the material from the lip flows into the slots to provide a key-lock between the cap and the gear to prevent rotation of the cap relative to the gear about the axis. | 03-11-2010 |
| 20100062895 | REDUCTION MECHANISM - A reduction mechanism including an input gear wheel, an output gear wheel, and at least one intermediate gear wheel is disclosed. The input gear wheel is provided with outer toothing, which may be configured for coupling with a driving motor, and includes an evoloid toothing having one or two teeth. An output gear wheel is provided with an evoloid inner toothing. In an embodiment, the output gear speed during use is lower than the speed of the input gear wheel. The at least one intermediate gear wheel is operative between the input gear wheel and the output gear wheel and the rotation axis of the at least one intermediate gear wheel is fixedly arranged. In an embodiment, the reduction mechanism may be configured so that the input gear wheel, the output gear wheel, and the at least one intermediate gear wheel are situated substantially in a single plane. | 03-11-2010 |
| 20100081537 | AUTOMATIC TRANSMISSION AND ADJUSTING METHOD OF GAP IN AXIAL DIRECTION OF AUTOMATIC TRANSMISSION - An automatic transmission comprises a transmission mechanism including plural planetary gear sets, a transmission case storing the transmission mechanism, and an end cover closing an opening at one end of the transmission case. A planetary gear set disposed the closest to the end cover is assembled in such a manner that before the end cover is attached to the transmission case, a sun gear is assembled to the transmission case and a pinion carrier is assembled to the end cover. A thrust washer is disposed between an end face of the sun gear and an end face of an inner peripheral portion of the pinion carrier. The thrust washer is a member for adjusting a gap which is formed in an axial direction in the transmission case, and the member is selected from plural ones which have different axial thicknesses from each other. | 04-01-2010 |
| 20100081538 | THRUST WASHER FOR A TRANSMISSION - A central thrust washer for all planets of a planetary carrier of a planetary gear that is geometrically designed such that it engages in recesses in the annulus gear or the drive wheel or is connected to planetary wheel bearings of the planetary carrier so as to prevent any relative movement. For this purpose, at least one fixing element is provided on the thrust washer. | 04-01-2010 |
| 20100113210 | Split torque compound planetary drivetrain for wind turbine applications - A compound planetary gear transmission unit includes a second stage with axially staggered planets. | 05-06-2010 |
| 20100120573 | PLANETARY GEARBOX HAVING MULTIPLE SUN PINIONS - A gearbox is provided having multiple sun gears and one or more planet stages. The planet stages can include a first planet stage and a second planet stage. A first sun gear is connected to the first planet stage, and a second sun gear is connected to the second planet stage. The torque transmitted from the planet stages is at least partially distributed among the first sun gear and the second sun gear. | 05-13-2010 |
| 20100120574 | HIGH REDUCTION COMBINED PLANETARY GEAR MECHANISM - A high reduction combined planetary gear mechanism includes an input shaft ( | 05-13-2010 |
| 20100137096 | COMPONENT HAVING INNER AND OUTER GEARING - The invention relates to a component ( | 06-03-2010 |
| 20100151985 | COUPLING ASSEMBLY - A coupling assembly for transmitting torque between a first body and a second body is disclosed herein. The coupling assembly includes a diaphragm plate extending radially between a radially inner periphery fixed for rotation with the first body. The diaphragm plate extends to a radially outer periphery and is operable to elastically deform in response to changes in the axial positions of the first and second bodies relative to one another. The coupling assembly also includes a socket assembly engaged with the radially outer periphery of the first diaphragm plate for concurrent axial movement in response to changes in the axial positions of the first and second bodies relative to one another. The socket assembly is also operable to transmit torque between the second body and the diaphragm plate. The socket assembly includes a radially-accommodating structure operable to at least partially move in response to changes in an outer profile of the second body. The diaphragm plate and the socket assembly are engaged such that the socket assembly does not impart loading on the diaphragm plate in response to changes in the outer profile of the second body. | 06-17-2010 |
| 20100197444 | Gear assembly with tapered flex pin - An epicyclic gear assembly has a central toothed sun gear unit mounted on a carrier plate and plurality of planetary gear sets surrounding the central gear in torque-transmitting relationship. Each of said planetary gear sets has a toothed planet gear supported by a planet shaft, the first end of which is cantilevered from the carrier plate. A second end of the planet shaft supports the planet gear. A double-tapered concave middle portion of the planet shaft allows flexing of the shaft so as to facilitate elastic deflection of the planet shaft while distributing load between the planet gear sets. The outer circumference of the middle portion has a pair of spaced outwardly convex protrusions formed between the first end and the second end. | 08-05-2010 |
| 20100210407 | PLANET CARRIER OF THE CAGE TYPE - Planet carrier of an epicyclic gear system with planetary shafts which are connected fixedly to the planet carrier onto which planet wheels are mounted rotatably using planetary bearings, the teeth of the planetary wheels being helical or chevron teeth, the planet carrier being of a cage type, and where at least two separate planetary wheels are placed on each planetary shaft, each wheel of which being supported by at least one double-row cylindrical bearing, where the outer bearing ring of each double-row cylindrical bearing is integrated into the planetary wheel concerned. | 08-19-2010 |
| 20100210408 | AUTOMATIC TRANSMISSION AND GEAR TRAIN - The present invention relates to automatic transmissions and gear trains. In particular, the instant invention relates to an automatic transmission gear train with improved resistance to deterioration with an increased effective life. The gear train of the instant invention comprises eight pinion gears assembled into one carrier utilizing a forward and a rear sun gear, a ring gear, a band drum and a one way roller clutch. | 08-19-2010 |
| 20100261571 | Planetary reduction gear apparatus - This apparatus includes: a sun gear having external teeth; planetary gears, each having external teeth and configured to be meshed with the sun gear; planetary shafts, each being a rotation shaft of the planetary gear; a ring gear having internal teeth and configured to be meshed with the planetary gears; and a planetary carrier including an annular base plate and an annular back plate. The planetary carrier supports the planetary shafts between the annular base plate and the annular back plate and determines a relative position between planetary gears. The annular base plate is integrally formed with one end of the planetary shaft to support the one end. The annular back plate supports the other end of the planetary shaft. At least one of the planetary shaft and the planetary carrier has lower stiffness in its part adjacent to the one end of the planetary shaft than stiffness of its part adjacent to the other end thereof. | 10-14-2010 |
| 20100261572 | GEAR MECHANISM, PARTICULARLY PLANET GEAR WITH A FLANGE AND A RING GEAR - The invention relates to a gear mechanism with at least a flange for the adaptation of the gear mechanism to a drive component and with at least one ring gear, which is firmly connected on the gear side to the flange. It is advantageous to use a connection where the flange presents at least a radial flange bore, the ring gear presents at least a radial ring gear bore, and a pin is led through a pair consisting of such a radial flange bore and such a radial ring gear bore, and in the process the flange and the ring gear are braced firmly against each other. In particular, the flange bore and the ring gear bore are arranged with at least partial overlap in the axial direction and simultaneously partial mutual offset by an offset difference. | 10-14-2010 |
| 20100285919 | PINION GEAR SUBASSEMBLY AND METHOD OF ASSEMBLING A PLANET CARRIER ASSEMBLY - The pinion gear assembly thus includes a first and a second pinion gear arranged with generally parallel axes of rotation. A first and a second washer, referred to herein as stationary washers, are provided. Each of the washers has two openings spaced to generally align with two predetermined, spaced mounting locations on the planet carrier member. The first and the second washers are positioned on opposing sides of the first and second pinion gears, with the axes of rotation of the first and second pinion gears generally centered at the respective spaced openings of the washers. Because the stationary washer spans the two pinion gears, which are secured to the carrier member, the stationary member is operatively connected at two locations to the carrier member, eliminating the need for anti-rotation features and corresponding carrier features. | 11-11-2010 |
| 20100285920 | PLANETARY GEAR SYSTEM - A planetary gear system contains: a sun gear as an input; a fixed ring gear; a planetary career as an output; and a planetary gear unit supported by the planetary career. The planetary gear unit includes: a shaft; a first planetary gear coupled to the shaft and engaging the sun gear; and a second planetary gear coupled to the shaft and engaging the ring gear. The planetary gear unit rotates around a first rotation axis with respect to the planetary career. The planetary career rotates around a second rotation axis. The first rotation axis intersects the second rotation axis. | 11-11-2010 |
| 20100292042 | PLANETARY GEAR SYSTEM - A planetary gear system contains: a sun gear as an input; a fixed ring gear; a planetary career as an output, a first planetary gear supported by the planetary career and engaging the sun gear; and a second planetary gear supported by the planetary career and engaging the ring gear. A first spin axis of the first planetary gear is arranged closer to a planetary career rotation axis of the planetary career than a second spin axis of the second planetary gear. Torque is transmitted from the first planetary gear to the second planetary gear. | 11-18-2010 |
| 20100304918 | PLANETARY CARRIER ASSEMBLY WITH INTEGRATED PARK GEAR FOR A TRANSMISSION - A planetary carrier assembly for a transmission includes a first carrier portion and a second carrier portion. The first carrier portion includes a spider flange portion and at least one first carrier arm half extending along the longitudinal axis. The second carrier portion includes a park gear flange and at least one second carrier arm half extending along the longitudinal axis into abutting engagement with the at least one first carrier arm half. The first carrier arm halves and the second carrier arm halves are welded together at an approximate midsection along the longitudinal axis between the spider flange portion and the park gear flange portion to minimize internal stresses within the output shaft assembly. | 12-02-2010 |
| 20100304919 | MACHINE ELEMENT - A machine element having that has at least one rotationally symmetrical section which is configured like a hollow body. In the machine element at least the rotationally symmetrical section is formed from two elements of bowl-shaped design which close the machine element on the end side and in the process enclose at least one cavity. | 12-02-2010 |
| 20100311537 | ARRANGEMENT OF A PLANETARY GEARSET - An arrangement for planetary gearsets comprises at least simple radially inner and radially outer planetary gearsets each comprising a sun gear, a ring gear and a carrier that carries planetary gears. The two gearsets are coaxially aligned and one of the gearsets is radially nested inside the sun gear of the other gearset. The ring gear of the radially inner gearset and the sun gear of the radially outer planetary gearset are at least coupled to one another in a rotationally fixed and are connected to a common carrier by driving teeth. To achieve a simple and inexpensive production, the ring gear of the radially inner gearset and the sun gear of the radially outer gearset are first produced as separate components with different heat treatments and then the ring and the sun gear are connected together by one of a friction force locking, a form interlocking and/or positive bonding. | 12-09-2010 |
| 20100331139 | EPICYCLIC GEAR SYSTEM WITH SUPERFINISHED JOURNAL BEARING - An epicyclic gear assembly includes a ring gear, a sun gear, at least one star gear enmeshed between the ring gear and sun gear, a carrier and a journal bearing. The carrier is disposed adjacent the rotatable sun gear and star gear. The journal bearing is disposed in the at least one star gear and connected to the carrier. The journal bearing has an outer radial surface with an amorphous surface finish of less than about 5 micro inches (127 micro mm) measured on an R | 12-30-2010 |
| 20100331140 | EPICYCLIC GEAR SYSTEM WITH LOAD SHARE REDUCTION - A journal bearing includes a main body and a connection portion. The main body extends radially outward from a central cavity to an interface surface. The connection portion supports an end of the main body and extends radially around the central cavity. The connection portion has a dimension selected as a proportion of a reference dimension of the main body to achieve a desired spring rate for the journal bearing. | 12-30-2010 |
| 20110009232 | Planetary gear - A planetary gear drive comprises two stages. Each of two stages comprises a central sun gear, a crown gear, several satellites located on a carrier between the sun gear and the crown gear, input and output shafts. The sun gear of the first and second stages is rigidly connected to each other. The input shaft is rigidly connected with the sun gear of the first stage. The carriers of the first and the second stages are rigidly connected to each other and, the output shaft is rigidly connected with the crown gear of the second stage (first embodiment). The crown gears of the first and the second stages are rigidly connected to each other, and the output shaft is rigidly connected with the carrier of the second stage (second embodiment). | 01-13-2011 |
| 20110009233 | CARRIER ASSEMBLY FOR SUPPORTING PINION GEARS - The present invention is aimed to provide a carrier assembly which can be made small in size while securing a sufficient fixing strength between a first carrier plate and a second carrier plate. The second carrier plate ( | 01-13-2011 |
| 20110028265 | AXLE FINAL DRIVE ASSEMBLY - The invention relates to a final drive assembly. An axle final drive assembly includes an axle housing, and axially inner and outer axle bearings supported by the axle housing. An axle shaft has a flange and is supported for rotation by the outer axle bearing. A planetary transmission has a planet carrier fixed for rotation with the flange of the axle shaft. The planet carrier has a neck which is supported for rotation by the inner axle bearing. The planetary transmission also has a ring gear and a plurality of planet gears which are positioned axially between the inner and outer axle bearings. | 02-03-2011 |
| 20110028266 | Bearing Arrangement and Mounted Component for a Differential Gear Mechanism - A bearing arrangement has at least two anti-friction bearings which are spaced apart along a central axis. At least one bearing is configured as a tapered roller bearing, the tapered roller bearing having a number of frustoconical rolling bodies. A cone angle between a line of symmetry of each rolling body and the central axis is between 20° and 33°. | 02-03-2011 |
| 20110034295 | HIGH SPEED AND CONTINUOUSLY VARIABLE TRACTION DRIVE - A fixed ratio traction drive is disclosed that uses multidiameter planet rollers. The high speed traction drive provides speed reduction from a high speed shaft. A planet carrier is used to rotationally mount the multidiameter rollers. A continuously variable transmission that uses planetary ball traction is also disclosed that provides infinitely variable speed ratios. | 02-10-2011 |
| 20110045945 | COMPONENT WITH INNER AND OUTER TEETH AND METHOD FOR MANUFACTURING THE COMPONENT - A component with inner teeth ( | 02-24-2011 |
| 20110092333 | VEHICLE POWER TRANSMISSION DEVICE - A vehicle power transmission device having a structure with a carrier of a planetary gear device brought into spline fitting with a case that is a non-rotating member to stop rotating and a ring gear of the planetary gear device rotatably supported by the case via a bearing, is provided with a play reducing device that presses the carrier against the case to reduce a play in thrust direction formed between the carrier and the case. | 04-21-2011 |
| 20110098150 | DISK BRAKE, PLANET TRANSMISSION, DRIVE DEVICE AND WORK VEHICLE - A disk brake includes a set of brake disks, which includes a set of rotor disks and a set of stator disks, which are arranged so that every other brake disk includes a stator disk and every second disk includes a rotor disk. The brake disks are displaceable in relation to one another along a central axis for engagement and disengagement with one another. There is a layer of coating material on at least one of the sides of the stator disk for engagement with the adjacent rotor disk. | 04-28-2011 |
| 20110105269 | ROTATIONAL DRIVING FORCE TRANSMITTING APPARATUS - To provide a rotational force transmission apparatus which can reduce loading on a motor or the like, decrease power or other energy consumption for input, and thereby improve output efficiency. A rotational force transmission apparatus includes an input unit and output unit; means of the output unit for receiving input from the input unit is a gear train made up of gears meshed linearly with each other, the gears including an inner output gear meshed with a stationary gear fixed to axially supporting means of an output shaft of the output unit, a free gear meshed with the inner output gear, and an outer output gear meshed with the free gear; the gear train receives the input from the input unit, revolves integrally along the stationary gear, and thereby rotationally drives the output shaft; and the numbers of teeth of the gears included in the gear train are set such that the free gear will not spin when the gear train revolves along the stationary gear. | 05-05-2011 |
| 20110105270 | PLANETARY GEAR REDUCTION SYSTEM - A planetary gear reduction system has a sun gear, a plurality of planet gears, a ring gear, and a planet carrier. The planet carrier has a first plate supporting one ends of planet shafts supporting the planet gears, a second plate supporting the other ends of the planet shafts, and a cylindrical drum connecting the first and second plates. The first plate has first portions supporting the one ends of the planet shafts; second portions connecting the first plate to the drum, the first and second portions being provided alternately in a circumferential direction; first cutouts each defined between the neighboring first and second portions, the first cutouts each extending radially inwardly from a circumferential edge thereof to a position adjacent a circle passing centers of the planet shafts; and second cutouts each defined radially inward of the second portion and between the neighboring two first portions, the second cutouts each extending radially inwardly from a first region outside the circle and a second region inside the circle. | 05-05-2011 |
| 20110105271 | CONTINUOUS TRANSMISSION BY PLANETARY GEARHEAD - Continuous transmission by planetary gear-head referring to a mechanical transmission box ( | 05-05-2011 |
| 20110111917 | GEAR RETENTION ASSEMBLY - A gear retention assembly for retaining a gear that has a plurality of gear outer splines includes a gear housing and a retaining ring. The gear housing has a first end, a second end, and a plurality of inner splines each including a ramp portion. The second end of the gear housing includes an annular continuous rolled lip, where the continuous rolled lip and the ramp portions of the plurality of inner splines define a groove. The plurality of inner splines engage with the gear outer splines of the gear to transmit torque between the gear and the gear housing. The retaining ring is disposed in the groove and axially retains the gear. The rolled lip axially retains the retaining ring. | 05-12-2011 |
| 20110118075 | VEHICLE POWER TRANSMISSION DEVICE AND CONTROL SYSTEM FOR POWER TRANSMISSION - A power transmission apparatus for a vehicle which includes a first and a second planetary gear set to transmit power to a driven wheel. A ring gear of the first planetary gear set is coupled to the driven wheel. A carrier of the first planetary gear set is coupled to a ring gear of the second planetary gear set. A carrier and a sun gear of the second planetary gear set are so linked as to have signs of power which are opposite each other. A sign of speed of the ring gear of the second planetary gear set is reversed under the condition that the a sign of speed of a motor-generator is fixed, thereby reversing the sign of speed of the carrier of the first planetary gear set, which eliminate the circulation of power between the sun gear and the carrier of the first planetary gear set. | 05-19-2011 |
| 20110136617 | Planetary Gear Assembly - A planet gear assembly, including: a planet pin; a bearing comprising an inner race secured to the planet pin at a planet pin bearing end; a planet gear; and a compliant annular plate arranged to secure the planet gear to the planet pin. Compliance of the annular plate permits rotation of the planet gear when a planet gear axis of rotation is not coincident with an axis of rotation of a portion of the planet pin in the annular plate. | 06-09-2011 |
| 20110136618 | POWER TRANSMISSION APPARATUS FOR A BICYCLE - The present invention relates to a bicycle driving apparatus, and more particularly, to a bicycle driving apparatus which enables the forward travel of the bicycle regardless of the forward rotation or reverse rotation of the pedals. The bicycle driving apparatus according to the present invention enables a bicycle to travel in the forward direction not only when a pedal rotates in the forward direction but also when the pedal rotates in the reverse direction. | 06-09-2011 |
| 20110165990 | Epicyclic Reduction Gear Device With Balanced Planet Wheels - An epicyclic reduction gear device includes a cylindrical housing ( | 07-07-2011 |
| 20110172053 | Planet-gear speed reducer - A planet-gear speed reducer includes a shell, a planet gear set, a sun gear set, two semi-bearings, and a bearing. The shell includes a toothed strip, a first smooth strip and a second smooth strip formed on an internal side. The planet gear set includes a carrier located within the shell and planet gears carried on the carrier. The sun gear set is engaged with the planet gears. The first semi-bearing includes an internal ring provided around a section of the carrier, rollers and a cage for positioning the rollers between the internal ring thereof and the first smooth strip of the shell. The second semi-bearing includes an internal ring provided around another section of the carrier, rollers and a cage for positioning the rollers between the internal ring thereof and the second smooth strip of the shell. | 07-14-2011 |
| 20110172054 | Force Limiting Device for a Motor Vehicle - A load limiting mechanism for a motor vehicle, comprising at least two parts ( | 07-14-2011 |
| 20110190094 | GEARING - A gearing comprising a first and a second gear wheel turning around respective mutually parallel axes, each one comprising a respective first and a respective second crown wheel that are adjacent to each other; the gearing also comprising at least one third and at least one fourth gear wheel that are separate and mutually independent, a support body for said third and fourth gear wheels, hinge pins for mounting said third and fourth gear wheels on said support body in a rotational manner around a third and, respectively, a fourth hinge axis parallel to said axes, said third gear wheel meshing with said respective first crown wheels and said respective fourth gear wheel meshing with said respective second crown wheels. | 08-04-2011 |
| 20110195815 | PLANETARY REDUCTION GEARBOX - A gearbox assembly includes a yoke operably connectable to an input shaft and rotatable about a stationary gear located at a central axis. A planetary gear is rotatably located in the yoke and is meshable with the stationary gear such that rotation of the yoke about the stationary gear drives rotation of the planetary gear, via the mesh between the planetary gear and the stationary gear, about a pin axis. An intermediate gear is located substantially coaxially with the planetary gear and is operably connected to the planetary gear such that rotation of the planetary gear about the pin axis drives rotation of the intermediate gear about the pin axis. At least one output gear is located at the central axis and is operably meshed to the intermediate gear. | 08-11-2011 |
| 20110201473 | Non-Backdrivable Gear System - A self-locking non-backdrivable gear system in one embodiment includes an input spur gear mounted to a drive shaft, the input spur gear positioned in meshing engagement with a ring gear on which is mounted at least one planet locking gear which rotates with the ring gear and rotates on its own mounting. The planet locking gear meshes with a fixed spur gear and an output spur gear connected to a bi-rotational load bearing device. The fixed and output gears have different number of teeth and will lock in place with the planet gear should a rotational force be applied to the load bearing device in the absence of a rotational force at the drive shaft. | 08-18-2011 |
| 20110201474 | ARRANGEMENT FOR MOUNTING AND ATTACHING A PLANETARY GEAR TO A CAMSHAFT AND METHOD FOR MOUNTING THE PLANETARY GEAR - An arrangement for mounting and fixing a planetary gear system ( | 08-18-2011 |
| 20110207576 | GEAR TRANSMISSION - A gear transmission comprises an external gear and an internal gear that rotates eccentrically relative to the external gear while meshing with the external gear. At least one first recess is formed on an outer peripheral side of the internal gear so that at least a portion of a motor is disposed within the first recess, thereby shortening the length and width of the device that includes the motor and the gear transmission in the axial and radial direction, respectively. | 08-25-2011 |
| 20110230303 | MECHANISM TRANSFORMING ROTATIONAL MOVEMENT TO DIFFERENT MOVEMENT CHARACTERISTICS - The invention relates to a movement transformation mechanism comprising a main planet gear ( | 09-22-2011 |
| 20110230304 | MECHANICAL ASSEMBLY PROVIDED WITH MEANS FOR MONITORING FOR A STRUCTURAL ANOMALY, A GEARBOX PROVIDED WITH SUCH A MECHANICAL ASSEMBLY, AND A METHOD OF MONITORING FOR A STRUCTURAL ANOMALY - The present invention relates to a mechanical assembly ( | 09-22-2011 |
| 20110230305 | Driving device and image forming apparatus - A driving device includes a planetary gear deceleration mechanism in a transmission path that transmits driving force from a driving motor to a driven member, in which the deceleration mechanism includes first and second support units into which a housing that constitutes a mechanism main body is divided, the first support unit includes carriers of at least one stage and pinion gears supported thereby, and is provided with an output unit in the carrier of the final stage, the second support unit includes an output shaft that is detachable from the output unit and a supporting unit for the output shaft, and the output shaft is supported in an insertable and removable manner with respect to the output unit of the carriers in the first and the second support units that are joined to each other. | 09-22-2011 |
| 20110245030 | SPEED CHANGE GEAR AND MANUFACTURING METHOD THEREFOR - A speed change gear includes: an internal gear member; an eccentric member; an oscillating member; a pair of first and second rotating members; and a pin that is supported at both ends by insertion holes of the first and second rotating members. The insertion hole and the insertion hole have the same diameter. The outside diameter of the other side end portion of the pin is smaller than the outside diameter of one side end portion of the pin such that the one side end portion is press-fitted in the corresponding insertion hole and the other side end portion is supported by the corresponding insertion hole. | 10-06-2011 |
| 20110251015 | Axial Thrust Load Redistribution System and Method for an Automotive Transmission - A system and method for altering the axial thrust load path within an automobile transmission eliminates the component end play in the transmission's roller clutch inner race and induces component end play in the transmission's rear sun gear. The resulting configuration moves portions of the axial thrust load path to across the roller clutch inner race and away from at least the transmission's sun gear and the reaction shell splines of the reaction shell. The system may include a kit in which an axially shortened roller clutch inner race and an appropriately sized bearing are provided. Additional kit components may include an axially shortened reaction shell. Alternatively, the roller clutch inner race and/or reaction shell may be shortened manually. A method of altering a preexisting transmission to have a new axial thrust load path is also provided. | 10-13-2011 |
| 20110251016 | DEVICE FOR FASTENING OF A MAGNETIC RING - An arrangement for fastening a magnetic ring onto a transmission component ( | 10-13-2011 |
| 20110275476 | Method and Apparatus for Operating a Movable Barrier - The movable barrier operator | 11-10-2011 |
| 20110275477 | Planetary gear speed reducer - A planetary gear speed reducer includes a gear bracket having a center hole and first, second and third locating portions arranged in parallel along the center hole, a sun gear mounted in the center hole of the gear bracket, first gears rotatably mounted in between the first and second locating portions of the gear bracket and meshed with the sun gear, second gears rotatably mounted in between the second and third locating portions of the gear bracket and meshed with the sun gear, and two annular gears respectively meshed with the first gears and the second gears. Enabling the two annular gears to mesh with the first and second gears respectively avoids installation inconvenience due to phase difference between the first and second gears and eliminates interference during rotation of the two annular gears. By means of changing the number of teeth of each gear, the planetary gear speed reducer can provide a low, medium or high reduction ratio. | 11-10-2011 |
| 20110281682 | SPEED CHANGER ASSEMBLY - A speed changer assembly for changing the rotational speed of an engine's (or other prime mover's) output to that required by the input of a process machine. In operation, a first gear is in meshing engagement with an idler gear, which in turn, is in meshing engagement with a second gear. When operation of the speed changer assembly is halted, the idler gear is pivotable about one of the first and second gears. A centre distance between the idler gear and the gear about which the idler gear is pivoted remains constant while the centre distance between the idler gear and the other gear is varied. The idler gear is taken out of meshing engagement with the other gear, permitting replacement of said other gear. The idler gear is then pivoted to establish meshing engagement with the replacement gear and the speed changer is configured with a new speed ratio. | 11-17-2011 |
| 20110281683 | Model helicopter with epicyclic gearing based reduction gear mechanism - A model helicopter includes a drive mechanism, the drive mechanism comprising a battery powered motor comprising a toothed motor shaft; a main rotor comprising a main shaft aligned with the motor shaft, the main shaft including a main gear; and a reduction gear assembly comprising four lower first gears arranged around the motor shaft, a lower outer ring gear meshed with the first gears, four lower second gears each being smaller than the first gear and fixed to top of the first gear, four upper third gears, an upper outer ring gear meshed with the third gears, four upper fourth gears each being smaller than the third gear and fixed to top of the third gear, the fourth gears being meshed with the main gear, and four shafts each axially passing through the fourth gear, the third gear, the second gear, and the first gear. | 11-17-2011 |
| 20110281684 | LEFT AND RIGHT WHEELS DRIVE SYSTEM - A left and right wheels drive system includes: a first drive source and a second drive source; a left drive wheel and a right drive wheel; and a gear mechanism interposed between the first and second drive sources and the left and right drive wheels, the gear mechanism including: a pinion set in which a plurality of pinion gears are installed on one shaft; and an element group which is linked with the pinion set and which includes a first element, a second element, a third element and a fourth element. When the first element is held stationary, the second, third and fourth elements rotate in the same direction. When the first element is held stationary, the second element rotates at a higher speed than the third and fourth elements. One of the first and second drive sources is connected to the first element, and the other of the first and second drive source is connected to the second element. One of the left and right drive wheels is connected to the third element, and the other of the left and right drive wheels is connected to the fourth element. | 11-17-2011 |
| 20110287887 | CLAMPING DEVICE FOR A CUTTING MEMBER - The present application provides a clamping device for a cutting member having a rotating sleeve and a quick clamping body. The clamping device has a first sun gear arranged in the center of the rotating sleeve, a first stage planetary gear having multiple planetary gears cooperating with the first sun gear, and a second stage planetary gear having multiple planetary gears cooperating with a second sun gear arranged on the planetary carrier. An inner ring gear may also be arranged outside of the first and second stage planetary gears and the head of the quick clamping body. Also, the clamping device of the present application does not need a special tool to remove the saw blade, which may lower the required effort to allow for the clamp to clamp the saw blade more quickly and more reliably. | 11-24-2011 |
| 20110312467 | PLANETARY GEAR SET FOR TRANSMISSION - A planetary gear set for a transmission may include a sun gear, a carrier, and a ring gear, wherein an inner circumference of the ring gear is formed in an ellipse shape. | 12-22-2011 |
| 20120010039 | ROTARY UNITS, ROTARY MECHANISMS, AND RELATED APPLICATIONS - The invention relates to rotary units and rotary mechanisms that are suitable for use in numerous applications. Rotary units typically include rotational components that are configured to rotate. In some embodiments, for example, multiple rotary units are assembled in rotary mechanisms such that neighboring pairs of rotational components counter-rotate or contra-rotate relative to one another during operation of the rotary mechanisms. Rotational components generally include one or more implements that are structured to perform or effect one or more types of work as the rotational components rotate relative to one another in a given rotary mechanism. In certain embodiments, implements are configured to rotate and/or to effect the movement of other components as rotational components rotate. | 01-12-2012 |
| 20120010040 | ROTARY UNITS, ROTARY MECHANISMS, AND RELATED APPLICATIONS - The invention relates to rotary units and rotary mechanisms that are suitable for use in numerous applications. Rotary units typically include rotational components that are configured to rotate. In some embodiments, for example, multiple rotary units are assembled in rotary mechanisms such that neighboring pairs of rotational components counter-rotate or contra-rotate relative to one another during operation of the rotary mechanisms. Rotational components generally include one or more implements that are structured to perform or effect one or more types of work as the rotational components rotate relative to one another in a given rotary mechanism. In certain embodiments, implements are configured to rotate and/or to effect the movement of other components as rotational components rotate. | 01-12-2012 |
| 20120021867 | Minimizing Backlash Utilizing Series Elastic Elements - Certain embodiments of a system for reducing backlash include a mechanical input, a mechanical output, and first and second mechanical couplers each connected to the mechanical input and the mechanical output. An exemplary system includes an elastic element connected in series between the first mechanical coupler and the mechanical output to bias the first mechanical coupler in a first direction and an elastic element connected in series between the second mechanical coupler and the mechanical output to bias the second mechanical coupler in a second direction, where the second direction is opposite from the first direction. | 01-26-2012 |
| 20120021868 | AUTOMATIC MULTI-SPEED GEAR SYSTEM - An automatic multi-speed gear system including an input axle, a first arm configured to couple with the input axle allowing for independent rotational movement of the input axle along the input axle axis, a first axle configured to couple with the first arm allowing for independent rotational movement of the first axle along a first axle axis, a second arm configured to couple with the first axle allowing for independent rotational movement of the first axle along the first axle axis, a second axle configured to couple with the second arm allowing for independent rotational movement of the second axle along a second axle axis, and an output axle. The first arm and the second arm are configured to move from a high-speed misalignment position to a low-speed alignment position where the second axle orbits the first axle. | 01-26-2012 |
| 20120028754 | LIQUID EQUALIZED GEAR SYSTEM AND METHOD FOR USING SAME - A carrier for use in a planetary gear system. The carrier has a plurality of openings or slots offset from a midline thereof. The carrier includes alignment mechanisms positioned in each of the plurality of openings or slots to substantially align each planet gear about the midline of the carrier. The carrier may be used in a planetary gear system for use in a wind turbine. One aspect incorporates eccentric rings in the openings. Another aspect incorporates inserts in the slots. Each of the rings and inserts has openings that, when properly positioned, will substantially bisect the carrier midline. | 02-02-2012 |
| 20120028755 | PIN FOR PLANETARY GEAR SYSTEM - A pin for coupling a planet gear to a carrier in a planetary gear system is disclosed. The pin includes a first end, a second end, and an outer surface extending between the first end and the second end. In some embodiments, the pin further includes means for modifying the compliance of the pin at an interface between the pin and the carrier. In other embodiments, the pin further include a compliance feature defined in the outer surface, the compliance feature allowing greater compliance of the pin in the tangential direction than in the radial direction. | 02-02-2012 |
| 20120046142 | REDUCTION GEAR UNIT AND IMAGE FORMING APPARATUS INCORPORATING SAME - A reduction gear unit incorporatable in an image forming apparatus includes planetary gear mechanisms each including a sun gear, an outer gear, planetary gears arranged between the outer gear and the sun gear at equal intervals and meshing with the sun gear and the outer gear, and a carrier rotatable coaxially with the sun gear and the outer gear to rotatably support the planetary gears. An extreme upstream mechanism in the drive transmission direction includes an input element connected to a drive source. An extreme downstream mechanism includes an output element connected to a member outputting the drive force to a rotary member. Any mechanism other than the extreme downstream mechanism includes an output element connected to an input element of an adjacent mechanism located downstream of any other mechanism. The sun gear of the extreme downstream mechanism has a larger pitch diameter than any other mechanisms. | 02-23-2012 |
| 20120071293 | Two-Speed Drive System for Motor-Driven Appliances - There is disclosed a mechanical two-speed drive system/gearbox for household appliances such as a blender or food processor. The gearbox comprises a motor, a motor shaft, a drive-outlet, and the installation of one-way bearings in suitable places in the gear-train. The drive-outlet can be driven at two different speeds in the same rotational direction. By operating the motor in the clockwise direction and counter-clockwise direction, a change in the drive-outlet rpm is achieved. When operating in the hi-speed mode, the drive-outlet is directly driven by the motor. When operating in the lo-speed mode, the drive-outlet is driven via the gear-train, with a resulting increase in torque. This gearbox is simple to construct, and operable without expensive control electronics. In particular applications with electronic motor speed and directional control, a much broader and useable drive-outlet speed range is achieved. | 03-22-2012 |
| 20120083384 | PLANETARY GEARBOX HAVING NESTED PLANETARY GEAR STAGES - A planetary gearbox, for an automatic transmission of a motor vehicle, comprising two stages, each provided with a sun gear, a ring gear and interposed planetary gears. The ring gear of the first planetary stage also forms the sun gear of the second stage, and the planetary gears of both stages are guided by a common planet carrier, produced from a casting material, which accommodates the planetary gears of the first stage at an axial offset position to the planetary gears of the second stage. The planet carrier is designed as one-piece such that pockets are respectively disposed in the planet carrier for receiving the planetary gears of the first stage at an offset angle, in the circumferential direction, to the pockets for receiving the planetary gears of the second stage, so that it is possible to form the pockets during casting using slides. | 04-05-2012 |
| 20120088628 | GEAR SET ARRANGEMENT OF A PLANETARY TRANSMISSION - A gear set arrangement for a planetary transmission comprising at least first and second simple planetary gear sets, each having sun and ring gears and a carrier supporting planetary gears. The gear sets are coaxially nested with the first gear set being radially within the sun gear of the second gear set in a common radial plane or radial planes which are only slightly axially offset. The ring gear of the inner first gear set and the sun gear of the outer second gear set, and the carriers of the two gear sets, are coupled in a fixed manner. To avoid forced movement of the gears, only one of the sun gear, the ring gear or the carrier, of each of the first and the second gear sets is radially supported substantially free of radial play on a centrally disposed transmission shaft or with respect to a centered supported component. | 04-12-2012 |
| 20120115673 | OUTPUT SHAFT ENDPLAY ADJUSTMENT METHOD FOR 700R4/4L60E FAMILY - The objective of the invention is to provide a fast way to adjust endplay on output shaft without removing entire output shaft gear train assembly. One embodiment of the present invention is to place the shims in new location between the outer most ring gear hub and the ring gear stop on the output shaft. The new shims will have spines so they can be placed between the output stop and the ring rear hub. Another embodiment of the present invention, a preferred method to adjust endplay is to use a @ Torrington thrust bearing between the transmission case and output shaft. This will prevent reoccurring endplay adjustments from wear. | 05-10-2012 |
| 20120196719 | ROTARY UNITS, ROTARY MECHANISMS, AND RELATED APPLICATIONS - The invention relates to rotary units and rotary mechanisms that are suitable for use in numerous applications. Rotary units typically include rotational components that are configured to rotate. In some embodiments, for example, multiple rotary units are assembled in rotary mechanisms such that neighboring pairs of rotational components counter-rotate or contra-rotate relative to one another during operation of the rotary mechanisms. Rotational components generally include one or more implements that are structured to perform or effect one or more types of work as the rotational components rotate relative to one another in a given rotary mechanism. In certain embodiments, implements are configured to rotate and/or to effect the movement of other components as rotational components rotate. | 08-02-2012 |
| 20120220418 | WEBLESS PLANETARY GEAR SET - The invention is directed to a Wolfrom-type, webless planetary gear set, comprised of two coaxial housing parts which are rotatable opposite each other with one each internal toothing on the applicable inner side, a toothed sun gear as well as several toothed planetary gears, which roll between the sun gear and the internal sets of teeth and are arranged in a floating manner. In other words, without further guidance on a planetary gear carrier or similar with a bearing arrangement between the two housing parts whose bearing bodies circulate around the paths which are located radially outside at least one internal toothing. | 08-30-2012 |
| 20120220419 | DRIVING BODY ACCELERATION DEVICE USING ELASTICITY - A driving body acceleration device using elasticity includes an input gear, a carrier connected to the input gear, planetary gears mounted to the carrier such that each of the planetary gears is rotated about a hinge shaft, a sun gear threadedly engaged with the planetary gears while being surrounded by the planetary gears, an output shaft coupled to the center of the sun gear, a cam having a cam groove, and acceleration units, each of which has one end coupled to a corresponding one of the hinge shafts and the other end coupled to the cam groove, and each of which rotates a corresponding one of the hinge shafts such that each of the planetary gears is rotated, when the revolution angle at one end of each of the acceleration units is different from that at the other end of each of the acceleration units. | 08-30-2012 |
| 20120225748 | ADAPTIVE TRANSMISSION - A machine element, in particular ring gear for a transmission ( | 09-06-2012 |
| 20120238401 | EPICYCLIC GEAR TRAIN - An epicyclic gear train includes a carrier that supports star gears that mesh with a sun gear. A ring gear surrounds and meshes with the star gears. Each of the star gears is supported on a respective journal bearing. Each journal bearing includes an internal central cavity and at least one passage that extends radially from the internal cavity to a peripheral journal surface of the respective journal bearing. The epicyclic gear train has a gear reduction ratio of greater than or equal to about 2.3. | 09-20-2012 |
| 20120238402 | GEAR BOX, SEAL, AND COVER ARRANGEMENTS - A gearbox for a wind turbine has a bearing arrangement positioned on the downwind side of a first stage planet carrier at a single locus. The planet carrier has a portion extending radially inwards and axially downwind from the planet gears. Thus, the weight of the gearbox is supported between the two theoretical support points of the pair of back to back tapered roller bearings at the down wind side of the first stage planet carrier. A member of unitary construction comprising gearbox flange, input shaft and first stage planet carrier, which can be cast as one piece, reduces the weight of this part compared to previous designs having separate components. | 09-20-2012 |
| 20120244989 | DRIVE UNIT FOR A WIND TURBINE - A drive unit for a wind turbine is provided: wherein the wind turbine comprises a rotor rotatably supported on a machine frame with a hub and at least one rotor blade attachable thereto, wherein the drive unit has a gear box for converting the rotational speed of the rotor according to a gear box ratio, comprising at least one ring gear, a planet carrier, at least two planet wheels, a sun wheel and a output shaft, wherein the ring gear is connectable to the rotor in a rotation-fixed manner and in effective engagement with planet wheels, planet wheels are rotatably supported on the planet carrier planet wheels cooperate with the sun wheel and the sun wheel is connected with the output shaft, wherein the drive unit has a substantially horizontal rotor shaft for rotatably supporting the rotor, wherein the rotor shaft can be directly or indirectly fixedly connected to the machine frame. | 09-27-2012 |
| 20120252627 | PINION SHAFT SUPPORT STRUCTURE FOR PLANETARY GEAR - To allow attachment of pinion shafts in their phased states only in simple steps which do not require a crimping step and a special device. A pinion shaft support structure for a planetary gear includes pinion gears, pinion shafts for pivotally supporting the pinion gears, and a carrier having a plurality of shaft support holes for rotatably supporting the pinion shafts, the pinion shafts being supported by the shaft support holes. The pinion shaft support structure includes stepped portions formed on end surfaces of the pinion shafts and a fall-out prevention washer which is mounted on the carrier to be capable of locking the stepped portions. An outer circumferential rim of the fall-out prevention washer mounted on the carrier faces the stepped portions of the respective pinion shafts inserted into the plurality of respective shaft support holes and is capable of locking the stepped portions, and the pinion shafts are thereby positioned (phased) in their rotational directions. | 10-04-2012 |
| 20120264562 | VERTICAL SPRING RETURN VALVE ACTUATOR - The present invention relates to a vertical spring return valve actuator wherein at the time of a normal operation, a first worm gear | 10-18-2012 |
| 20120270696 | BEARING PIN FOR A PLANETARY TRANSMISSION AND CARRIER ARRANGEMENT FOR A PLANETARY TRANSMISSION - A bearing pin for a planetary transmission, which has a cylindrical base body with a radial bore formed in one axial end of the base body. A locking element is mounted with a salient radial portion in the radial bore and serves as an anti-rotation feature of the base body. The bearing pin creates a possibility of reliable fixing of a bearing pin in a planetary transmission with a low-complexity manufacturing procedure. Also, a carrier arrangement for a planetary transmission, which includes such a bearing pin is disclosed. | 10-25-2012 |
| 20120277055 | FAN DRIVE PLANETARY GEAR SYSTEM INTEGRATED CARRIER AND TORQUE FRAME - A fan gear drive system includes a torque frame having a base with integrated gear shafts circumferentially spaced relative to one another. A fan shaft is integrated with the base, such that the torque frame provides rotational output from the fan gear drive system. Each shaft provides a shaft axis. A bearing assembly is mounted on each of the gear shafts and provides a bearing assembly. The bearing assembly includes a spherical bearing configured to permit angular movement of the bearing axis relative to the shaft axis. | 11-01-2012 |
| 20120277056 | GEAR SYSTEM AND METHOD FOR USING SAME - A planet pin, a planetary gear system, and a method for balancing a load on a planetary gear system between respective planet gears. The planet pin includes a planet pin body having a flexure portion between a pair of ends. The flexure portion may be a planet pin body having grooves on opposing sides. The flexure portion may be a pair of pin bodies interference fit into annuluses of a centrally located barrel. The flexure portion may be a pair of pin arms extending from a centrally located ball joint. | 11-01-2012 |
| 20120302395 | Planet Carrier Assembly - A gearbox assembly comprising of at least one planetary gear set comprising one or more ring gears, one or more sun gears and a planet carrier. The planet carrier supports two sets of circumferentially spaced planet gear bearings, pins and planet gears. The bearings, pins and gears are able to self adjust in an angular direction relative to the carrier supporting disc whereby the rotation axis of the planet gears may remain perpendicular to the plane of the planet carrier or skewed from said plane. | 11-29-2012 |
| 20120309582 | JOURNAL PIN FOR GEAR SYSTEM - An example turbomachine epicyclic gear system includes a sun gear rotatable around an axis, a ring gear radially outward of the sun gear, and a plurality of intermediate gears meshed with the sun gear and the ring gear. A plurality of journal pins are each configured to support one of the plurality of intermediate gears. Each of the plurality of journal pins has an asymmetric rim. | 12-06-2012 |
| 20120316027 | GEAR SYSTEM AND METHOD FOR USING SAME - A planetary gear system and a method. The planetary gear system includes a carrier body configured to receive planet gears, at least one pin received by the carrier body, and flex means positioned between the carrier body and the at least one pin. The method includes preparing the carrier, upon which a plurality of planet gears is mounted through planet pins, and providing flex means between the planet pins and the carrier, the flex means configured to enable movement of the planet pins in response to a force directed thereon. | 12-13-2012 |
| 20120322607 | Planetary Gearing - Planetary gearing, in particular multistage planetary gearing, is disclosed. The planetary gearing includes at least one drive shaft, an output shaft, a sun wheel, a ring gear, planet wheels assigned to the planetary gear train, a gear casing, in particular a multipart gear casing, a planetary gear train, in particular the second planetary gear train, comprising a planet wheel arm immovably arranged in a casing. The construction of such a planetary gearing is simplified compared to the prior art, thereby saving costs. This is achieved in that the planet wheel arm is integrally formed with a casing. | 12-20-2012 |
| 20120322608 | GEAR DEVICE - Disclosed is a gear device which comprises an outer cylinder fixable to one of two counterpart member; a crankshaft; a carrier configured to be fixable to the other counterpart member and formed with a through-hole, wherein the carrier is adapted to be relatively rotated with respect to the outer cylinder in interlocking relation with rotation of the crankshaft; and a cylindrical body disposed in the through-hole of the carrier. The through-hole of the carrier has an inner peripheral surface formed with an outward groove. The cylindrical body has an outer peripheral surface formed with an inward groove in opposed relation to the outward groove of the carrier. The gear device is provided with an O-ring disposed to extend from an inside of the outward groove to an inside of the inward groove. | 12-20-2012 |
| 20130017923 | PLANETARY GEAR DEVICEAANM Park; JongsoolAACI Guynggi-DoAACO KRAAGP Park; Jongsool Guynggi-Do KRAANM Hwang; JinyoungAACI Gyunggi-doAACO KRAAGP Hwang; Jinyoung Gyunggi-do KRAANM Lee; HyukjunAACI Gyunggi-DoAACO KRAAGP Lee; Hyukjun Gyunggi-Do KR - Provided is a planetary gear device, in which a plurality of double pinion gears arranged between a sun gear and a ring gear may include a first pinion gear and a second pinion gear, first pinion gear is in contact with sun gear and second pinion gear at three points while second pinion gear is also in contact with ring gear and first pinion gear at three points. | 01-17-2013 |
| 20130035196 | FASTENING STRUCTURE OF RING GEAR - Disclosed is a fastening structure of a ring gear, wherein a ring gear is fastened to a flange of a differential case constituting a differential subassembly. The ring gear has an inner peripheral surface to be press-fitted to the outer peripheral surface of the flange, and is swaged by a swaging portion provided on at least one end of the flange in the axial direction. In order to prevent the ring gear from deforming in the radial direction, an engaging means for engaging the flange with the ring gear using the relationship between a recess and a protrusion is provided. The engaging means is comprised of a recess formed at an end face of the ring gear and a protrusion formed on the flange. The protrusion is engaged in the recess by swaging. | 02-07-2013 |
| 20130072344 | MULTIPLE-ROW EPICYCLIC GEAR - A multiple-row epicyclic gear includes a carrier with planet gears arranged in rows, as well as a composite central ring gear, having major crowns, with friction spacer rings disposed there between, are also mounted in the housing. The elements of the central ring gear are axially spring loaded. The end faces of the frictional spacer rings and counter-oriented end faces of the major crowns have tapered surfaces being in frictional contact. The friction spacer rings are spliced and arranged to bring their outer cylindrical surfaces into frictional contact with the inner cylindrical surface of the housing. The planet gears are disposed on the carrier in rows in corresponding apertures (or through openings) formed in the carrier. The optimal cone apex angle (δ) of the contacting tapered end faces of the major crowns and tapered end faces of the friction spacer rings is in the range 60-90°. | 03-21-2013 |
| 20130079190 | WAVE GENERATOR FOR WAVE GEAR DEVICE - The flexible bearing of the wave generator for a wave gear device is a deep-groove ball bearing in which an outer race and an inner race form an annular flexible bearing ring capable of bending in a radial direction. A ball diameter Da is set to be 5 to 15% greater than that of each model of the currently available product. Dimensions of orbital plane radii ro, ri of the inner and outer races are set so that the ratio ro/Da of the orbital plane radius ro of the inner race and the ball diameter Da, as well as the ratio ri/Da of the orbital plane radius ri of the outer race and the ball diameter Da, are both in the range of 0.51 to 0.52. With this configuration, the service life of the flexible bearing can be extended. | 03-28-2013 |
| 20130109528 | INPUT SHAFT DAMPER OF TRANSMISSION | 05-02-2013 |
| 20130130862 | DEVICE SYSTEM FOR A WIND TURBINE - A drive system for a wind turbine includes at least one planetary gear stage, connectable to a rotor shaft of the wind turbine and including a sun gear engaging with multiple planetary gears, a driven hollow shaft connected to the sun gear, a pitch tube having a generator-side end with a centering shoulder, and a face side provided with threaded holes, the pitch tube being arranged concentrically to the annulus gear and extending axially over the entirety of the planetary stage, an adapter element having an opening for receiving a generator add-on component, the adapter element being received on and radially surrounding the generator side end and fixed in position radially and axially in one direction by the centering shoulder, and screw-type connection fittings extending axially through the adapter element and being received in the threaded holes of the pitch tube for securing the adapter element to the pitch tube. | 05-23-2013 |
| 20130143711 | PLANETARY ROLLER GEAR DRIVE - A planetary roller gear drive with a spindle nut ( | 06-06-2013 |
| 20130178326 | DISMANTLING A GEAR MECHANISM OF A WIND POWER PLANT - A gear mechanism ( | 07-11-2013 |
| 20130190129 | BRAKE ASSEMBLY HAVING PILOTED PARK BRAKE HOUSING - A brake assembly for a mobile machine is disclosed. The brake assembly may have a stationary spindle, and a main brake housing annularly connected at a first axial end to the stationary spindle and at least partially forming a first control chamber. The brake assembly may also have a park brake housing annularly connected to a second axial end of the main brake housing and at least partially forming a second control chamber, and at least one piloting feature disposed between an inner annular surface of the park brake housing and an outer annular surface of the stationary spindle. | 07-25-2013 |
| 20130210572 | UNISON RING GEAR ASSEMBLY - This invention relates to a unison ring assembly, comprising: a first unison ring and a second unison ring concentrically aligned along a principal axis, the first and second rings being rotatable about the principal axis; and, a gear mechanism for simultaneously rotating the first and second unison rings about the principal axis. | 08-15-2013 |
| 20130217535 | PLANETARY GEAR TRAIN WITH THRUST COLLAR USED AS THRUST BEARING OF PLANETARY GEAR AND WIND TURBINE GENERATOR INCORPORATING THE SAME - A planetary gear train is provided with: a carrier; a planetary gear; a planetary pin inserted into an insert hole provided through the planetary gear and coupled to the carrier to rotatably support the planetary gear; a thrust collar attached to a surface opposed to the planetary gear of the carrier so as to surround the planetary pin; and a pin for coupling the thrust collar to the carrier. The thrust collar has a first surface opposed to the carrier and a second surface opposed to the planetary gear, and has a first pin hole provided on the first surface so as not to reach the second surface. The carrier has a second pin hole on a surface opposed to the planetary gear. The thrust collar is attached to the carrier by inserting the pin into the first pin hole of the thrust collar and into the second pin hole of the carrier. | 08-22-2013 |
| 20130260950 | AIRCRAFT ACCESSORY DRIVE MULTIPLE SPEED TRANSMISSION - A transmission assembly is provided and includes a load, an input shaft rotatably driven by a low pressure section of a turbomachine and a transmission coupled to the load and the input shaft. The transmission is operable to transmit rotation of the input shaft to the load and configured to convert a first rotational speed range of the input shaft to a second rotational speed range for transmission to the load. The second rotational speed range is narrower than the first rotational speed range. | 10-03-2013 |
| 20130260951 | GEAR CARRIER FRAME - A planetary gear assembly includes a sun gear, planetary gears engaging the sun gear, a ring gear arranged about the planetary gears, the ring gear engaging the planetary gears, and a carrier frame including one or more pairs of bearing containment bands, a plurality of connecting segments, a plurality of spoke portions, and a hub portion, wherein each pair of bearing containment bands is connected to an adjacent pair of bearing containment bands with a connecting segment of the plurality of connecting segments and a spoke portion of the plurality of spoke portions connects each connecting segment to the hub portion. | 10-03-2013 |
| 20130324351 | Converting the Speed and Torque of a Motor - A method and apparatus converts the speed and torque of a motor output and couples the adjusted output to a device or structure, such as a movable barrier. In one example, a conversion apparatus includes a first gear set, a second gear set, a third gear set, and a fourth gear or ring gear. The first gear set may engage a motor output and receive rotational input therefrom. The rotational input is transferred from the first to the second gear set and then to the third gear set, which may engage a ring gear. In one configuration, a carrier is disposed about the gear sets. Carrier fasteners may extend through openings in the third gear set and, as the third gear set travels around the ring gear, the carrier fasteners may revolve around a central axis and rotate a carrier output shaft. | 12-05-2013 |
| 20130324352 | CARRIER - A carrier is implemented which is capable of reducing the number of parts and the number of bonding steps. The carrier includes a pair of holding members that hold from both sides in an axial direction L a pinion shaft supporting a pinion gear. A first holding member as one of the pair of holding members includes a coupling portion extending in the axial direction L toward a second holding member as the other holding member. The second holding member is a disc-like member, and has an external outer peripheral gear integrally formed in its outer peripheral portion. The coupling portion is bonded to a coupling bonding portion provided on a radially inner side R | 12-05-2013 |
| 20130331222 | OIL SCAVENGE ARRANGEMENT - An epicyclic gearbox oil scavenge arrangement. The epicyclic gearbox is of the planetary or differential type and comprises an input sun gear ( | 12-12-2013 |
| 20130337967 | PLANETARY CARRIER OF A PLANETARY GEARING - A planetary carrier of a planetary gearing includes two planet web cheeks interconnected by planet webs. The sides of the planet web cheeks are mutually opposed in the circumferential direction and, together with outer lateral surfaces of the planetary webs, define lateral surface openings. At least one planet pin opening for receiving a pin for mounting a planet gear is provided in at least one planet web cheek. At least one planet web cheek, in the region of the attachment of a planet web, has a transition reducing the axial length of the planet web. The planetary carrier is optimized in terms of weight and strength by way of the transition having a rounded contour in the form of a spherical recess. | 12-19-2013 |
| 20130337968 | PLANET WEB FOR CONNECTING TWO PLANET WEB CHEEKS - A planet web for connecting two planet web cheeks to form a planet wheel space of a planet carrier of a planet gear has, in the axial direction of the planet carrier, a cavity delimited by peripheral walls. A planet carrier includes the planet web and is improved in relation to the prior art, in particular from a production engineering aspect. This improvement is achieved by the planet web having at least one breach arranged in a peripheral wall of the planet web, which connects the cavity to the planet wheel space. A corresponding planet carrier, a casting core, and a method for manufacturing a planet carrier includes the planet web having the at least one breach. | 12-19-2013 |
| 20140004992 | PLANETARY GEAR MECHANISM | 01-02-2014 |
| 20140031163 | FAN DRIVE GEAR SYSTEM TORQUE FRAME PIN RETAINER - A system and method for fixing a fan drive gear system carrier to a torque frame are disclosed. The carrier and torque frame respectively have a hole and an aperture which are aligned with one another. A retainer pin is inserted in to the aligned hole and aperture in an interference fit relationship with at least one of the hole and aperture. | 01-30-2014 |
| 20140031164 | VESSEL PROPULSION APPARATUS - A vessel propulsion apparatus includes a prime mover, a propeller shaft, a planetary gear train, a lower case, a cylindrical housing, and a fixing member. The planetary gear train is disposed on a propeller axis. The propeller shaft and the planetary gear train are housed in the lower case. The housing surrounds the propeller shaft about the propeller axis inside the lower case. The housing supports a sun gear such that the sun gear is not rotatable with respect to the housing. The fixing member is fixed to both the lower case and the housing. | 01-30-2014 |
| 20140031165 | PLANETARY GEAR REDUCTION MECHANISM - A compact planetary gear reduction mechanism having a universal gear reduction ratio is provided, which comprises: an input shaft rotatable about a first rotational axis; at least one planetary gear having a first and a second gear of the same shape integrated together rotatably about a third rotational axis (O3) but in out of phase with each other; an eccentric rotary plate for transmitting the rotational motion of the input shaft to a shaft mechanism which in turn transmits the eccentric rotation of the eccentric rotary plate to the planetary gear; an external fixed sun gear meshed with the first gear of the planetary gear; and an external driven sun gear to be connected to the output shaft of the gear reducer, having a different number of gear teeth than the fixed situ gear and meshed with the second gear of the planetary gear. | 01-30-2014 |
| 20140045643 | INTEGRATED PINION CARRIER AND OVERRUNNING ELEMENT RACE - A pinion carrier includes a first disc including ring segments, each ring segment extending angularly about an axis and spaced angularly from the other ring segments, a second disc, spacers secured to the discs and separating the discs axially, and retention elements, each retention element secured to one of the ring segments. | 02-13-2014 |
| 20140045644 | PLANETARY CARRIER - A planetary carrier includes a side plate having a front face and a shaft journal which is arranged on the front face of the side plate. A bearing seating is formed on an outer circumferential surface of the shaft journal on a front-face-proximal end of the shaft journal. The planetary carrier has an annular groove directly adjacent to the bearing seating in coaxial relationship to the shaft journal and undercutting the front face and the outer circumferential surface. | 02-13-2014 |
| 20140045645 | Method of Assembly for Gas Turbine Fan Drive Gear System - A method of mounting a gear train to a torque frame includes providing a unitary carrier having a central axis that includes spaced apart walls and circumferentially spaced connecting structure defining mounts for interconnecting the walls. Spaced apart apertures are provided between the mounts at an outer circumference of the carrier. Gear pockets are provided between the walls and mounts extending to the apertures, and a central opening in at least one of the walls. A plurality of intermediate gears and a sun gear are inserted in the carrier. A first ring gear half is placed about the outer periphery of the intermediate gears, and attach a torque frame to the carrier. | 02-13-2014 |
| 20140073476 | DRIVING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE DRIVING DEVICE - A driving device includes a drive source, a planetary gear decelerator, a drive-target shaft, a rotation speed detector, and a sensor mount. The planetary gear decelerator includes a planetary gear mechanism equipped with an output shaft, a sun gear, an outer gear, a plurality of planetary gears, and a rotatable first carrier. The outer gear is made of resin and includes a deformable portion at a drive target side, and the deformable portion is elastically deformable in a radial direction. The plurality of planetary gears engages the sun gear and the outer gear. The rotatable first carrier rotatably supports the planetary gears. The rotation speed detector detects a rotation speed of the planetary gear decelerator, and includes a sensor and a detection target disposed coaxially on the output shaft. The sensor mount supports the sensor and moves in the radial direction in accordance with elastic deformation of the outer gear. | 03-13-2014 |
| 20140080658 | PIN FOR GUIDING A GEAR WHEEL, AND PLANETARY TRANSMISSION CONTAINING THE SAME - A pin for guiding a gear has a substantially cylindrical outer surface section, wherein the outer surface section comprises a substantially cylindrical rolling surface section, which is aligned and formed so as to make possible the guiding of the gear. The outer surface section further has a groove, which is formed so as to accommodate a retaining ring, wherein the groove is disposed with respect to the rolling surface section so as to make possible a guiding, directly or indirectly via the retaining ring, of a rolling-element assembly along the axial direction of the pin. In this way it is possible to provide a guiding of a gear wherein a small tolerance chain is implemented with respect to the axial position. | 03-20-2014 |
| 20140087913 | PLANETARY TRANSMISSION - A planetary transmission includes an annulus on which a cover is arranged and a planet spider having a planet spider journal facing the cover. The planetary transmission further includes an intermediate element connected to the planet spider journal or to a sun wheel shaft such that the intermediate element is arranged at least partially between the planet spider journal or the sun wheel shaft and the cover. One or more of the planet spider journal and the sun wheel shaft are configured to be moved relative to the cover. | 03-27-2014 |
| 20140087914 | HUB NUT FOR A PLANETARY TRANSMISSION AND PLANETARY TRANSMISSION - A hub nut for a planetary transmission has a body configured to secure against unscrewing and to seal the planetary transmission. | 03-27-2014 |
| 20140106926 | Planetary gear system - The invention relates to a planetary gear system having at least one planet carrier which comprises a planet carrier plate which is produced from plastic in one pieces together with at least one bearing pin for a planetary gear and which, on the output side, is rotationally fixed connected to a sun gear. According to the invention, a thrust collar that is connected to the planet carrier plate in one piece is provided between the planetary gear and the planet carrier plate of the planet carrier. | 04-17-2014 |
| 20140135164 | WHEEL DRIVE UNIT - A wheel drive unit includes: a planetary gear mechanism including a planetary gear and an internally-toothed gear; a casing integrated with the internally-toothed gear, a wheel being attached to the casing, and the casing transmitting rotation of the internally-toothed gear to the wheel; a bearing nut configured to prevent axial movement of the casing; and an oil seal provided more toward an interior of a vehicle than the planetary gear mechanism and axially fixed with respect the casing. An inner diameter of the detachment prevention member is smaller than an outer diameter of the externally-toothed gear. | 05-15-2014 |
| 20140141929 | HARDENED SILVER COATED JOURNAL BEARING SURFACES AND METHOD - An article comprises a metal alloy substrate and a plated wear interface layer disposed over a surface of the metal alloy substrate. The wear interface layer has a chemical composition including between about 0.005 wt % and about 0.050 wt % of antimony (Sb), and the balance silver (Ag) and incidental impurities. | 05-22-2014 |
| 20140141930 | PLANET CARRIER SALVAGE PROCESS - A remanufactured planet carrier is disclosed having a first plate and a second plate spaced apart from and oriented generally parallel to the first plate. Supports join and support the first and second plates. The remanufactured planet carrier further has a plurality of first pin bores in the first plate and a plurality of second pin bores in the second plate. The first pin bores are parallel and generally aligned with the second pin bores. A cylindrical member extends from a central axis of the second plate away from the first plate with a shaft bore formed within the cylindrical member. The first and second pin bores and the shaft bore each have a surface layer with a hardness of at least about 180 BHN and a strength of at least about 500 MPa. | 05-22-2014 |
| 20140148301 | BACKLASH-FREE PLANETARY GEAR UNIT WITH PLANET CARRIERS PRELOADED RELATIVE TO EACH OTHER - The invention relates to a backlash-free planetary gear unit with a sun gear and with a ring gear, which mesh with at least one first planet gear of a planetary stage, wherein the planetary stage comprises a first planet carrier on which the first planet gear is rotatably mounted, wherein there is furthermore at least one second planet gear in the planetary stage that also meshes with the ring gear and the sun gear, wherein the at least one second planet gear is rotatably supported at a second planet carrier of the planetary stage, wherein the two planet carriers are in the circumferential direction of the sun gear preloaded relative to each another such that also the at least one first planet gear is preloaded relative to the at least one second planet gear in the circumferential direction of the sun gear. | 05-29-2014 |
| 20140155218 | AXIAL FAN DRIVE AND HUB ASSEMBLY FOR EVAPORATIVE COOLING EQUIPMENT - According to at least one exemplary embodiment, an axial fan drive and hub assembly is disclosed. The assembly can include a drive unit having a planetary gear arrangement, and a fan hub coupleable to the drive unit. A sun gear of the gear arrangement can be driven by an input shaft, while either the planet gear carrier or the ring gear may be selected to be the output. The assembly can thus facilitate rotating a fan in the same or the opposite direction of rotation as the input shaft. The drive unit can further be easily interchangeable with other drive units having different gear ratios. | 06-05-2014 |
| 20140155219 | TURBINE ENGINE GEARBOX - A gas turbine engine comprises a fan, and a fan drive turbine rotor. The fan drive turbine drives the fan through a gear reduction. The gear reduction includes at least two double helical gears in meshed engagement. Each of the at least two double helical gears are disposed to rotate about respective axes, and each have a first plurality of gear teeth axially spaced from a second plurality of gear teeth by a spacer. Each of the first plurality of gear teeth has a first end facing the spacer and each of the second plurality of gear teeth has a first end facing the spacer. Each first end of the first plurality of gear teeth is circumferentially offset from each first end of the second plurality of gear teeth. | 06-05-2014 |
| 20140171254 | ROTARY UNITS, ROTARY MECHANISMS, AND RELATED APPLICATIONS - The invention relates to rotary units and rotary mechanisms that are suitable for use in numerous applications. Rotary units typically include rotational components that are configured to rotate. In some embodiments, for example, multiple rotary units are assembled in rotary mechanisms such that neighboring pairs of rotational components counter-rotate or contra-rotate relative to one another during operation of the rotary mechanisms. Rotational components generally include one or more implements that are structured to perform or effect one or more types of work as the rotational components rotate relative to one another in a given rotary mechanism. In certain embodiments, implements are configured to rotate and/or to effect the movement of other components as rotational components rotate. | 06-19-2014 |
| 20140194244 | AXIAL BEARING OF PINION GEARS OF A PLANETARY GEAR SET - An axial mounting of the planetary gearwheels of a planetary gearset having a sun gear that meshes with at least one planetary gearwheel mounted on a planetary bolt that is supported on the planetary carrier. The at least one planetary gearwheel meshes with a ring gear. At least one check-plate, which has a hole for the planetary bolt and which is positioned on one side of the planetary gearwheel between the planetary gearwheel and the planetary carrier, is associated with each planetary gearwheel. The check-plate is completely flat and is axially symmetrical relative to its longitudinal and transverse axes. The at least one check-plate has two wings that extend in the longitudinal direction, which are positioned in recesses formed in the planetary carrier, when the check-plate is in the installed condition, to secure the check-plate against rotation. The check-plate is fixed relative to the planetary carrier. | 07-10-2014 |
| 20140194245 | PLANETARY GEAR UNIT - A planetary gear unit, having at least one first set of first planetary wheels arranged at a radial distance to a central axis, which mesh with a first sun gear that is rotatable around the central axis. The planetary gear unit further includes at least one second set of second planetary wheels arranged at a radial distance to the central axis, where the second planetary wheels mesh with a second sun gear that is rotatable around the central axis. | 07-10-2014 |
| 20140200109 | Planetary Gear Pump - A planetary gear pump comprising a central gear and a plurality of planet pairs provides a space efficient transducer between hydraulic and mechanical energy. When it is configured as a pump, a high flow rate is provided. When it is configured as an actuator, a high torque is provided. A dual-stage configuration may be used as a low speed high torque actuator with high energy efficiency, high pitch velocity, and low slippage. | 07-17-2014 |
| 20140206495 | MECHANICAL ENERGY STORAGE SYSTEM - A mechanical energy storage system and an electric or hybrid vehicle with an energy storage system of this type are provided. The energy storage system has a planetary gear. The sun wheel of same is connected to an electric motor of the vehicle. An outer wheel of the planetary gear is connected to a wheel drive of the vehicle. The planet wheels are connected rigidly to one another via a planet wheel linkage. To increase the flywheel mass, the planet wheels have “flywheel mass regions” which have a larger diameter than a gearwheel region situated between the sun wheel and the outer wheel. Due to these flywheel mass regions, a considerable amount of rotational energy may be stored in the rotating planet wheels with the planetary gear. Such a storage of kinetic energy is intended to improve a degree of recuperation or the starting characteristics of an electric vehicle. | 07-24-2014 |
| 20140206496 | METHOD OF ASSEMBLY FOR GAS TURBINE FAN DRIVE GEAR SYSTEM - A method of assembling an epicyclic gear train comprises the steps of providing a unitary carrier having a central axis that includes spaced apart walls and circumferentially spaced connecting structure defining spaced apart apertures provided at an outer circumference of the carrier. Gear pockets are provided between the walls and extend to the apertures. A central opening is in at least one of the walls. A plurality of intermediate gears are inserted through the central opening and move the intermediate gears radially outwardly into the gear pockets to extend into the apertures. A sun gear is inserted through the central opening. The plurality of intermediate gears is moved radially inwardly to engage the sun gear. | 07-24-2014 |
| 20140206497 | GEAR DEVICE - A gear device includes an outer cylinder, a plurality of crank shafts, a carrier which rotatably supports the plurality of crank shafts and rotates relative to the outer cylinder in synchronization with the rotation of the crank shafts, a plurality of spur gears fixed coaxially with the crank shafts at portions extending toward an outer side of the carrier in the crank shafts, an input gear which includes a gear part that engages with the plurality of spur gears, and transmits rotational drive force to each of the spur gears, and washer means comprising washers disposed outside the carrier. The input gear is regulated from moving in a radial direction of the input gear by engaging with the plurality of spur gears at a position outside the carrier in an axial direction, and regulated from moving in an axial direction of the input gear by the washers. | 07-24-2014 |
| 20140206498 | PLANETARY CARRIER - A planetary carrier having: a first carrier member that has a first shaft support portion that supports respective first ends of a plurality of pinion shafts inserted through the pinion gears, and a plurality of first leg portions extended from the first shaft support portion; a second carrier member that has a second shaft support portion that supports respective second ends of the plurality of pinion shafts, and a plurality of second leg portions extended from the second shaft support portion; and an annular member that has one end surface with which the plurality of first leg portions of the first carrier member and the plurality of second leg portions of the second carrier member are brought into abutment, and a welded portion to which the plurality of first leg portions and the plurality of second leg portions are welded at different positions in a circumferential direction. | 07-24-2014 |
| 20140243141 | SUPPORT STRUCTURE OF A PLANET GEAR CARRIER - A planet gear carrier ( | 08-28-2014 |
| 20140243142 | PLANET WHEEL CARRIER FOR A PLANETARY GEAR - A planet wheel carrier comprises first and second end-sections for supporting shafts of planet wheels ( | 08-28-2014 |
| 20140243143 | PLANET WHEEL CARRIER FOR A PLANETARY GEAR - A planet wheel carrier comprises first and second end-sections ( | 08-28-2014 |
| 20140243144 | PLANETARY PINION SHAFT - A planetary drive including a planet carrier with two axially spaced supports that include aligned bores is provided. A planetary gear is located on a through hardened pinion shaft extending axially through the aligned bores. The pinion shaft includes locally deformed axial ends such that the pinion shaft is axially fixed within the planet carrier and is circumferentially rotatable. | 08-28-2014 |
| 20140243145 | PLANETARY GEAR DEVICE FOR VEHICLE POWER TRANSMISSION DEVICE - A planetary gear device of vehicular power transmitting system includes a carrier, pinion gears, a sun gear, a ring gear, and a cylindrical output member disposed coaxially with the carrier and having the ring gear on inner surface, and a radially outer output gear on outer surface. The carrier is supported by a stationary support wall non-rotatably. The carrier is fixed to the support wall within a teeth width of the output gear. The carrier has support pins rotatably supporting the pinion gears respectively, a carrier body fitted with one end of each the support pin and fixedly fitted in the support wall non-rotatably, and a carrier cover connected to connecting portions extending from the carrier body and fitted with the other end of each the support pin. The support wall has support arm which abuts with the carrier cover. The carrier cover is fixed to the support arm. | 08-28-2014 |
| 20140256501 | ELECTROMECHANICAL DAMPER - An electromechanical damper for a vehicle for damping between two components mechanical oscillations by which a drive torque is transmittable to an electric generator for generating a damping force includes first and second gearboxes in the form of planetary gear trains, each having a sun wheel, with the sun wheels being connected to end faces of a rotor of the generator, respectively. A stator housing forms a gear element which is integrated in the first and second gearboxes. The sun wheel, ring gear and planet wheels of the first and second gearboxes are each provided with helical teeth in axial direction, with the helical teeth of the sun wheel of one of the first and second gearboxes and the sun wheel of the other one of the first and second gearboxes being directed in opposition to one another. | 09-11-2014 |
| 20140256502 | Planetary Gear Unit - A planetary stage of a planetary gear unit with a gearbox housing includes a ring gear, at least one planet gear, and a sun gear, which are rotatably positioned. The ring gear is connected via a tappet to a sun gear shaft of an upstream planetary gear stage, and is rotatably mounted in the gearbox housing. The planetary gear unit exhibits increased robustness by connecting the ring gear on a side opposite the tappet to a ring gear support that is seated in the gearbox housing. | 09-11-2014 |
| 20140274549 | TOP DRIVE SYSTEMS FOR WELLBORE AND DRILLING OPERATIONS - A system includes a gear system having a gear housing and a lower planetary carrier disposed in the gear housing, the lower planetary carrier being adapted to rotate relative to the gear housing. A top drive system is operatively coupled to the gear system, the top drive system having a top drive shaft that is adapted to be driven by the gear system. A single bearing that is adapted to facilitate rotation of the lower planetary carrier is positioned between the gear housing and the lower planetary carrier. A motor apparatus is operatively coupled to and adapted to drive the gear system by rotating the lower planetary carrier relative to the gear housing, wherein a rotational axis of the single bearing is adapted to move in a lateral translational direction with respect to the gear housing while the motor apparatus is rotating the lower planetary carrier. | 09-18-2014 |
| 20140274550 | CARRIER STRUCTURE FOR PLANETARY GEAR SET - A carrier structure is provided for a planetary gear set. The carrier structure includes a carrier body, a shaft part and a planetary pinion. The carrier body includes a first plate, a second plate and a support column extending between the first and second plates. The shaft part is connected to the first plate so as to be connected to or integrated with the carrier body as a unit. The planetary pinion is rotatably supported by the first and second plates to rotate about an axis eccentric from a center longitudinal axis of the shaft part. The support column extends from an external peripheral part of the second plate and converges toward an interconnection part between the first plate and the shaft part. Both ends of the support column is connected to or integrated with the interconnection part and the external peripheral part of the second plate, respectively. | 09-18-2014 |
| 20140296024 | ROTARY UNITS, ROTARY MECHANISMS, AND RELATED APPLICATIONS - The invention relates to rotary units and rotary mechanisms that are suitable for use in numerous applications. Rotary units typically include rotational components that are configured to rotate. In some embodiments, for example, multiple rotary units are assembled in rotary mechanisms such that neighboring pairs of rotational components counter-rotate or contra-rotate relative to one another during operation of the rotary mechanisms. Rotational components generally include one or more implements that are structured to perform or effect one or more types of work as the rotational components rotate relative to one another in a given rotary mechanism. In certain embodiments, implements are configured to rotate and/or to effect the movement of other components as rotational components rotate. | 10-02-2014 |
| 20140309078 | EPICYCLIC GEARING - An epicyclic gearing has a plurality of planet gears arranged about a transmission axis so as to form two arrays symmetrical with respect to a plane orthogonal to the transmission axis; the gearing has a body which, on one side, is adapted to be connected to a rotating member and, on the other side, is coupled to a ring; the ring has a plurality of relatively thin plate sectors and a plurality of pins, which extend in cantilever fashion and in opposite directions from the plate sectors and each support a respective planet gear; coupling between the aforesaid body and the ring defines at least one degree of freedom in rotation about a radial axis to allow a relative movement under load between the two components. | 10-16-2014 |
| 20140315679 | STACKED PLANETARY GEAR SET - A stacked or nested planetary gear set for a transmission includes a carrier member supporting for rotation a first set of planet gears, a second set of planet gears, and a third set of planet gears, wherein each of the second set of planet gears are intermeshed with the third set of planet gears. A first sun gear is intermeshed with each of the first set of planet gears. A first ring gear is intermeshed with each of the first set of planet gears. A second sun gear is directly connected to the first ring gear and is intermeshed with each of the second set of planet gears. A second ring gear is intermeshed with each of the third set of planet gears. The stacked planetary gear set may be axially aligned or axially offset. | 10-23-2014 |
| 20140329636 | Planetary Gear Assembly - A transmission planetary gear assembly, having: a carrier housing with axial orifice; a pinion shaft fitted through the axial orifice; a first fastener configured to axially secure the pinion shaft with respect to the carrier housing at one end of the shaft; and a second fastener configured to axially secure the pinion shaft with respect to the carrier housing at another end of the shaft. | 11-06-2014 |
| 20150011354 | DEVICE WITH MULTIPLE REDUCTION GEAR TRANSMISSION BETWEEN A DRIVE SHAFT AND A PAIR OF PROPELLERS COAXIAL WITH THIS SHAFT - A transmission to drive two propellers ( | 01-08-2015 |
| 20150024898 | Planetary Gear Set with Improved Performance and a Method of Producing a Ring Gear - An improved planetary gear set that includes a sun gear, planet gears, and a ring gear. The ring gear is constructed to radially deform under an operating load. Therefore, the gear set is constructed such that the base pitches of the sun gear, planet gears, and the deformed ring gear under the operating load are equalized. The ring gear is further constructed with tooth profiles designed to accommodate the deflection under the operating load. The tooth profile of the ring gear is designed using an operating pitch diameter instead of a nominal pitch diameter to accommodate the deflection. | 01-22-2015 |
| 20150031499 | DRIVE HUB FOR PLANET PINION CARRIER FREENESS CHECK - An assembly includes a sun gear that includes a external gear teeth and internal axial spline teeth, a drive hub including a first sleeve portion formed with lateral holes, and insert assemblies, each insert assembly including a sleeve located in one of the holes and secured to the first sleeve portion, a plunger located in the sleeve for displacement along the sleeve, and a spring urging the plunger laterally outward toward engagement with the spline teeth. | 01-29-2015 |
| 20150065291 | COMPONENT FOR A PLANETARY GEAR TRAIN - The invention relates to a component ( | 03-05-2015 |
| 20150072827 | CONTINUOUSLY VARIABLE TRANSMISSION - Disclosed embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a CVT has a number of spherical planets in contact with an idler. Various idler assemblies can be used to facilitate to improve durability, fatigue life, and efficiency of a CVT. In one embodiment, the idler assembly has two rolling elements having contact surfaces that are angled with respect to a longitudinal axis of the CVT. In some embodiments, a bearing is operably coupled between the first and second rolling elements. The bearing is configured to balance axial force between the first and second rolling elements. In one embodiment, the bearing is a ball bearing. In another embodiment, the bearing is an angular contact bearing. In yet other embodiments, needle roller bearings are employed. | 03-12-2015 |
| 20150105212 | SYSTEM AND METHOD FOR SALVAGING A PIN-BORE ASSEMBLY - A method for salvaging a surface of a pin-bore assembly associated with a carrier is provided. The method includes inserting a sleeve within a bore of the carrier. The method also includes installing a retention mechanism that secures the sleeve within the bore of the carrier. | 04-16-2015 |
| 20150111691 | ROTATIONAL SPEED-REDUCTION DEVICE - A rotational speed-reduction device is disclosed. The speed-reduction device includes a flange, a planetary bracket fixedly mounted on the flange, a planetary gear assembly movably mounted on the planetary bracket, a first bearing sleeved on the planetary bracket, an input member, and an output member. The planetary bracket includes a mounting portion, a fixing portion fixed to the flange, and a support portion. The support portion connects the mounting portion to the fixing portion. The planetary gear assembly includes a number of planetary gear pairs movably mounted between the fixing portion and the mounting portion, a fixing shaft passing through the planetary gear pairs, and rotation members movably received between the planetary gear pairs and sleeved on the fixing shaft. Opposite ends of the fixing shaft are connected to the mounting portion and the fixing portion, respectively. | 04-23-2015 |
| 20150126326 | ROTATIONAL FORCE TRANSMITTING APPARATUS - Provided is a rotational force transmitting apparatus that can prevent jolting of an output shaft in a circumferential direction caused by jolting in an input-side mechanism in the circumferential direction, has a thin and small structure, and is excellent in productivity. In the rotational force transmitting apparatus, a clutch mechanism | 05-07-2015 |
| 20150133260 | PLANETARY GEAR STAGE WITH PLAIN BEARINGS AS PLANET BEARINGS AND USE THEREOF - A planetary gear stage for a gearbox has a ring gear, a sun gear and a planet carrier for driving planet shafts. Each planet shaft has a planet gear with radial and axial contact surfaces and which is rotatably supported by a plain bearing arrangement. The bearing arrangement has two bushings fixed to the planet shaft. Each bushing is L-shaped in cross-section and has radial and axial contact surfaces. The bushings form a cross-sectional U-shape and are axially locked by abutments. At least part of the planet gear is located within the U-shape formed by the bushings. The plain bearing arrangement has a radial sliding support arranged between the radial contact surface of the bushings and the radial contact surface of the planet gear and an axial sliding support arranged between the axial contact surface of the bushings and the axial contact surface of the planet gears. | 05-14-2015 |
| 20150133261 | ROLLER BEARING ASSEMBLY FOR A PINION IN A MOTOR VEHICLE DRIVE TRAIN - A roller bearing assembly for a motor vehicle drive train is provided. The roller bearing assembly includes a bearing including an inner ring, an outer ring and roller elements rotatably supporting the inner ring with respect to the outer ring. The roller elements include a first roller element and a second roller element. The inner ring includes a first section for supporting the first roller element on the head of the pinion and a second section for supporting the second roller element on the tail of the pinion. The first section is thinner than the second section. | 05-14-2015 |
| 20150148183 | PLANETARY GEARSET - A planetary gear set may include a carrier, pinion shafts and a shaft securing ring. The carrier may have shaft insertion holes formed substantially parallel to a rotation center shaft and spaced apart at a predetermined distance from the rotation center shaft, and a carrier groove formed in an outside surface of one side along a predetermined circle centered on the rotation center shaft. The pinion shafts may be respectively inserted in the shaft insertion holes, each pinion shaft having a pinion gear rotatably arranged on an outside circumference of the pinion shaft and a shaft slot formed in a region corresponding to the carrier groove. The shaft securing ring may be mounted to the carrier to have one side inserted in the carrier groove for securing the pinion shafts to the carrier. | 05-28-2015 |
| 20150308562 | Transmission gear engagement system - The invention relates to a gear engagement system in a transmission, especially a planetary gear, that allows for applying the solution in various fields of technology, in particular in robotics or remotely controlled models. | 10-29-2015 |
| 20150323042 | ANTI-BACKDRIVE ACTUATOR ASSEMBLY - An actuator assembly may include a drive, a gear set coupled with the drive, an interface member coupled to the gear set, and an output coupled to the interface member. In at least one position of the interface member the gear set binds to prevent backdrive of the output. | 11-12-2015 |
| 20150323061 | Planetary Gearset - A planetary gear set has a sun gear, multiple planetary gears mounted on a planetary carrier, and a ring gear enclosing the planetary gears, which is designed in split form perpendicular to its axis of rotation and is formed from two ring gear parts arranged coaxially to each other. An adapter component that, for the purpose of a torque-transferring or torque-supporting operative connection of the planetary carrier, is connected in a torque-proof manner to an additional component in a mounted state with the planetary carrier, and is guided, viewed radially, outward by the ring gear parts. | 11-12-2015 |
| 20150345592 | PLANETARY GEAR REDUCER FOR VEHICLULAR STEERING APPARATUS - Disclosed is a planetary gear reducer for a vehicular steering apparatus. The planetary gear reducer includes: a sun gear, to which a steering shaft is joined; a planetary gear circumscribing the sun gear; a carrier, to which a rotary shaft of the planetary gear is joined; a ring gear, in which the planetary gear is inscribed; and backlash compensation members. The backlash compensation members are coupled to one or more of the sun gear, the planetary gear, and the ring gear such that the backlash compensation members are rotated in a state where they are in close contact with each other. | 12-03-2015 |
| 20150354669 | GEARBOX FOR AN ADJUSTABLE VEHICLE STABILIZER, AND VEHICLE STABILIZER - A gearbox ( | 12-10-2015 |
| 20150354694 | SYSTEM AND METHOD FOR ASSEMBLING A PLANET CARRIER - A planet carrier assembly is provided. The planet carrier assembly includes a housing having a plurality of holes provided therein. The planet carrier assembly includes a pin positioned within each of the plurality of holes. Each pin is configured to rotatably support a gear. The pin includes a retention groove provided at an end of the pin and least partially on a circumference thereof. The pin includes an orientation surface adjacent to and cooperating with the retention groove. The planet carrier assembly includes a plate having a plurality of slots provided thereon. Each of the plurality of slots is configured to engage with the respective pin. The plate is configured to angularly orient the pin within each of the plurality of holes in the housing during an assembly and to lock the pin within each of the plurality of holes in the housing after the assembly. | 12-10-2015 |
| 20150354695 | Planetary Gear Train for Transmission of Motor - Provided is a planetary gear train for transmission of e-bike motor, including: a carrier protrusively formed in a center with a stator axis insertion boss provided with a stator axis insertion groove in a shape corresponding to that of the stator axis for insertion of the stator axis, and mounted with a plurality of gear installation units; a plurality of planetary gears interposed rotatably mounted at an upper surface of the gear installation unit of the carrier; and a fixing pin rotatably mounting the plurality of planetary gears on the gear installation units, wherein the fixing pin includes a pin head preventing the planetary gears from deviating. | 12-10-2015 |
| 20160001826 | Engine-transmission connection by means of adhesive tape | 01-07-2016 |
| 20160003341 | TRI-LOBE BEARING FOR A GEARBOX - A bearing for a gearbox, the bearing having a cylindrical body. The cylindrical body defines a hollow interior chamber. The cylindrical body has a gear supporting section. The gear supporting section has a cross-section formed by three lobes equally distributed around a circumference of the cylindrical body. Each of the lobes has a land portion having a first radius over at least 20% of the lobe. Each lobe also has a tapered portion that gradually slopes from the first radius of the land portion to a reduced radius region that is smaller than the first radius. The tapered portion is formed over less than 80% of each lobe. Each lobe also has an opening formed in the reduced radius region and a flow passage fluidly connecting the hollow interior of the cylindrical body with the opening formed in the reduced radius region. | 01-07-2016 |
| 20160017752 | Turbofan Engine Assembly Methods - A method for assembling a turbofan engine ( | 01-21-2016 |
| 20160025187 | PLANETARY GEAR SYSTEM - A planetary gear system with floating components includes design features that center the floating components radially and reduces sagging of the floating components under the force of gravity. An input carrier is centered by the use of an annular bearing in a distal central opening of the input carrier and a stationary end cap assembly that is received in the annular bushing. The bushing and end cap assembly support the input carrier radially. The stationary output carrier is centered by providing a pilot on the output carrier that is received in a circumferential recess in a fixed component, such as a reaction hub. | 01-28-2016 |
| 20160053858 | CURVED BEARING CONTACT SYSTEM - In some embodiments, systems and methods are described for a gear contact system configured to support radial, thrust, and moment loads, the system comprising a first gear comprising a first roller having a first roller bearing surface, the first roller bearing surface having a convex curvature defined by a first radius of curvature; and a second gear comprising a second roller having a second roller bearing surface, the second roller bearing surface having a concave curvature defined by a second radius of curvature. | 02-25-2016 |
| 20160061315 | PLANETARY GEAR CARRIER JOINT FOR PRECISION RE-ASSEMNBLY AND TORQUE TRANSMISSION - A planetary gear carrier has a drum cover and drum hub that make up a drum of the carrier and a carrier plate spaced from the drum cover defining a space in which the planetary gears reside. The drum cover, drum hub and carrier plate are joined by keys that are formed integrally with at least one of them that mate with surfaces of the other parts for precise assembly and re-assembly, and windows are defined through sets of spline teeth of the dram cover and drum hub through which planetary gears may be inserted for assembly to the carrier while the drum cover, drum hub and carrier plate are assembled to one another. | 03-03-2016 |
| 20160069424 | Gearbox With Reduced Backlash - A gearbox includes two axially spaced epicyclic gear trains, each having a sun gear, axially spaced planet gears carried by a planet carrier, and a ring gear fixed to the gear box. One of the planet gears engages with the fixed ring gear, and another of the planet gears engages with an output ring gear. The sun gears of the two gear trains are mounted on a single shaft. The planet carriers of the two gear trains are mounted on a shaft so that they can freely rotate but have limited axial motion along the shaft. The two output ring gears are helical gears of opposite handedness. | 03-10-2016 |
| 20160076622 | Planetary Gear Transmission - A planetary gear transmission has a gearbox, multiple stages of planetary gears, and an output shaft. Except for the last stage, each planetary gear stage shares a common first internal gear ring. Each stage has a sun gear, a planet carrier, and multiple planet gears. The sun gear of each stage, except for the first stage is integrally formed with or fixed to the planet carrier of an immediately preceding stage. The last stage of the transmission has a second internal gear ring. The planet gears of the last stage mesh with the second internal gear ring. The second internal gear ring includes a support portion, and the output shaft passes through and is rotatably supported by the support portion. | 03-17-2016 |
| 20160116055 | PLANETARY GEAR DEVICE - The present invention relates to a device at planet wheel(s) where a planet wheel is rotatably journaled at a pin arranged to be supported by means of a planet carrier for supporting said planet wheel. Said pin is non-rotatably arranged in said planet carrier by means of opposed blocking means arranged to cooperate by means of a blocking portion of said planet carrier, wherein said blocking means comprises projecting portions projecting from said planet carrier for cooperation with a locking configuration arranged to axially retain said pin in said planet carrier. | 04-28-2016 |
| 20160123458 | PLANETARY HOLLOW ROTATING PLATFORM STRUCTURE - Disclosed is a planetary hollow rotating platform structure including a force output shaft installed at a cross bearing and a deceleration mechanical device with a single bearing. The structure has the effects of reducing the number of required components and the volume of the structure to simplify the structural complexity and reduce the occupied space and volume. | 05-05-2016 |
| 20160146112 | LIGHTWEIGHT GEAR ASSEMBLY FOR EPICYCLIC GEARBOX - An epicyclic gearbox comprises a gearbox housing including an inner cavity receiving an input shaft from a low pressure turbine and an output shaft connected to a fan. A sun gear is disposed within the housing and at least one planetary gear engages and orbits the sun gear. The at least one planetary gear is formed of a first material and an insert is disposed between a gear rim of the at least one planetary gear and a journal. The insert is formed of a second material distinct from the first material and of a weight which is lighter than the first material. The gearbox may include but is not limited to both star gearbox and planetary gearbox configurations. | 05-26-2016 |
| 20160146291 | INCORPORATION OF A GEAR TRAIN IN A PINION WALL IN A GEARBOX FOR A TURBOMACHINE - An aircraft drive chain including a plurality of main pinions meshing with each other, a first main pinion including a wall delimiting an inner volume, external teeth being provided on an outer surface of the wall, the external teeth meshing with at least one second main pinion, a gear system being incorporated in the inner volume, the first main pinion and the gear system being jointly configured to form a multiplier or reducer and to ensure a mechanical energy transfer between a driving member and a slave member. | 05-26-2016 |
| 20160160560 | TUBULAR ACTUATING MECHANISM FOR ROLL-TYPE CLOSURES - The present invention relates to a tubular actuating mechanism ( | 06-09-2016 |
| 20160169353 | THREE VARIABLE AND FOUR VARIABLE TRANSGEAR ASSEMBLIES | 06-16-2016 |
| 20160195185 | PLANETARY GEAR SYSTEM | 07-07-2016 |
| 20160201794 | PLANET-CARRIER FOR AN EPICYCLIC GEARING AND EPICYCLIC GEARING PROVIDED WITH SUCH A PLANET-CARRIER | 07-14-2016 |
| 20160252160 | ANGULAR SPEED REDUCTION DEVICE | 09-01-2016 |
| 20160377163 | DRIVE ASSEMBLY WITH A ROTATING HOUSING ATTACHED TO AN OUTPUT INTERFACE - A drive assembly is disclosed, including a housing cylinder having a cap end and an attachment end including a first attachment surface, with gear teeth being disposed around an inner circumference forming at least one ring gear. The housing cylinder encloses a planetary gear set including at least one sun gear and at least one set of planet gears. An output interface includes an interface body having an annular attachment lip including a second attachment surface. The first attachment surface contacts, and is connected, as by welding, to the second attachment surface, whereby rotational power may be transmitted from the planetary gear set to the output interface via the gear teeth and the contact between the attachment surfaces. | 12-29-2016 |
| 20160377169 | JOURNAL SEAT WITH OPTIMIZED PRESSURE DISTRIBUTION - A planetary carrier ( | 12-29-2016 |
| 20170234421 | SYSTEM AND APPARATUS FOR SUPPORTING A PLANETARY CARRIER WITHIN A GEARBOX | 08-17-2017 |
| 20180023483 | TURBINE ENGINE WITH EPICYCLIC REDUCTION GEAR TRAIN | 01-25-2018 |
| 20180024032 | CRYOGENIC COOLING POSITIONING APPARATUS, METHODS AND APPLICATIONS | 01-25-2018 |
