Class / Patent application number | Description | Number of patent applications / Date published |
475337000 | Plural planet carriers in series move at different speeds | 21 |
20090082168 | SPEED CHANGE GEAR MECHANISM FOR HAND-DRIVEN POWER GENERATOR - A cylindrical, high speed change ratio type peed change gear mechanism is disclosed to include a driving wheel rotatable by a crank handle, a first rotating wheel coupled to the driving wheel for synchronous rotation at the same speed and having pivoted small gears spaced around the border and meshed within a first gear ring, a second rotating wheel coupled to the small gears of the first rotating wheel for rotation with the small gears of the first rotating wheel and having pivoted small gears spaced around the border and meshed within a second gear ring, a third rotating wheel coupled to the small gears of the second rotating wheel for rotation with the small gears of the second rotating wheel and having pivoted small gears spaced around the border and meshed with a pinion of a power generating device, and a fixed third gear ring meshed with the small gears of the third rotating wheel. | 03-26-2009 |
20100009802 | REDUCTION GEAR - A reduction gear having a planetary gear set for reducing the output rotation speed of a motor, a counter gear set for reducing the output rotation speed of the planetary gear set, and a planetary gear set for reducing the output rotation speed of the counter gear set. The output shaft and input shaft that are on the same axis and belong to the planetary gear set are arranged in parallel with the output shaft and input shaft that are on the same axis and belong to the planetary gear set. The input shaft of the counter gear set is common to the output shaft of the planetary gear set. The output shaft of the counter gear set acts commonly as the input shaft of the planetary gear set. | 01-14-2010 |
20120202641 | HANDHELD DEVICES AND RELATED METHODS - The invention relates to devices including 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. | 08-09-2012 |
20120231923 | MODULAR ASSEMBLY FOR AN INTEGRATED FLEX PIN DRIVE WITH GENERATOR - A compact modular assembly of a geared power train ( | 09-13-2012 |
20130017924 | DRIVE DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAMEAANM Shimizu; KeisukeAACI TokyoAACO JPAAGP Shimizu; Keisuke Tokyo JPAANM Maehata; YasuhiroAACI TokyoAACO JPAAGP Maehata; Yasuhiro Tokyo JPAANM Miyawaki; KatsuakiAACI KanagawaAACO JPAAGP Miyawaki; Katsuaki Kanagawa JPAANM Watanabe; TetsuoAACI KanagawaAACO JPAAGP Watanabe; Tetsuo Kanagawa JPAANM Matsuda; HiromichiAACI KanagawaAACO JPAAGP Matsuda; Hiromichi Kanagawa JP - A drive device including a planetary gear reduction device having at least two stages and an output shaft, and a driven shaft to support a driven member rotatively driven by torque reduced by the planetary gear reduction device and transmit the torque from the output shaft to the driven member. Each stage of the planetary gear reduction device includes a sun gear, an outer gear, multiple planetary gears, a carrier, and a support shaft. The output shaft is provided to the carrier of the last stage. Central axes of the sun gear, the outer gear, the carrier, the output shaft, the driven shaft, and the driven member are all arranged coaxially with one another and at least one carrier is floatingly supported relative to the outer gear. The carrier is formed as a single integrated unit having holes into which both ends of the support shaft are fitted. | 01-17-2013 |
20130040777 | MULTI-STAGE PLANETARY GEAR TRAIN - A multi-stage planetary gear train, with several annular segments arranged between the adapter plates of the motor and of the gear head, each annular segment has a planetary gear set comprising a sun gear, several planet gears carried by a planet carrier, and a ring gear having inner teeth. Adjacent annular segments are coupled to each other and the outer segments are coupled to the respective adapter plates. The annular segments and the corresponding adapter plates in the region of the adjacent end faces thereof form a coupling area each, and the segments each comprise at least one engaging element on one end face thereof and at least one complementary receiving element on the opposite end face thereof, wherein the engaging element of a segment engages with the receiving element of an adjacent segment or of an adapter plate in a form-fit or force-closed manner in the assembled state. | 02-14-2013 |
20130190130 | PLANETARY GEAR SYSTEM, PLANETARY DIFFERENTIAL AND GEAR SYSTEM WITH THE PLANETARY DIFFERENTIAL - A planetary gear system having at least two planetary steps, each of which is made up of at least one set of planets and one sun, whereby the teeth of the gearwheels in the planetary drive mesh with each other in such a way that, in each of the meshing points, at least one first tooth on a first toothing of first teeth positively engages into a tooth gap of a second toothing of second teeth. First teeth of the first toothing have a tooth flank profile concavely arched, and second teeth of the second toothing have a tooth flank profile convexly arched, so that the tooth flanks in contact with each other are arched in the same directions, at least when in contact. | 07-25-2013 |
20130237368 | COMPOUND PLANETARY GEAR MECHANISM - A compound planetary gear mechanism includes at least two planetary gear mechanisms and a carrier. The at least two planetary gear mechanisms include a first planetary gear mechanism and a second planetary gear mechanism. The first planetary gear mechanism includes a plurality of first planetary gears. The second planetary gear mechanism includes a plurality of second planetary gears. The carrier is coupled to the plurality of first planetary gears and the plurality of second planetary gears. The carrier includes a first support shaft and a second support shaft. The first support shaft rotatably supports a first planetary gear among the plurality of first planetary gears. The second support shaft rotatably supports a second planetary gear among the plurality of second planetary gears and is independent of the first support shaft. | 09-12-2013 |
20130252781 | Multi-stage planetary drive - The invention relates to a multi-stage planetary drive with at least two annulus gears with internal gears, connected to a housing in a torque-proof fashion, and with at least two sun gears, each of which combing planet wheels arranged on a pinion cage and an annulus gear; according to the invention it is provided that for the formation of a gear speed with at least one annulus gear, the housing is embodied in one piece as a cylindrical transmission housing with internal gears, for the formation of at least one additional gear speed a plastic annulus gear with internal gears is accepted by the transmission housing, and for the torque-proof connection of the plastic annulus gear to the transmission housing torque-proofing means are provided. | 09-26-2013 |
20130267375 | Method and system for rotary coupling and planetary gear - In this presentation, we study various aspects of rotary coupling and planetary gear. We also study various aspects of the wind turbines or wind mills. We optimize the performances of both a single wind turbine and a wind farm, collectively. We study the nozzles on the blades and all the variations and accessories for the operation of a nozzle. We also explore flow patterns around the blades, the mechanisms to get air or other gasses to the blades, the couplers for the electrical connections and the gas connections, and the gaps, holes, channels, conduits, or openings on the body or structure of a tower. We also present various mathematical models and formulations for optimizations. | 10-10-2013 |
20140080659 | MULTI-STAGE TRANSMISSION FOR A POWER TOOL - A multi-stage planetary transmission includes a transmission housing and a first planetary stage at least partially positioned in a transmission housing. The first planetary stage includes a first stage ring gear, a first stage carrier, and a plurality of first stage planet gears supported by the first stage carrier. A motor output pinion is engaged with each of the first stage plant gears. The transmission further includes a second planetary stage positioned downstream of the first planetary stage to receive torque from the first planetary stage and a shift mechanism operable to move the first stage ring gear between a first position, in which the first stage ring gear is rotatably fixed relative to the transmission housing for enabling the first planetary stage, and a second position, in which the first stage ring gear is coupled for co-rotation with the first stage carrier for disabling the first planetary stage. | 03-20-2014 |
20140128213 | WIND TURBINE GEAR MECHANISM - A wind turbine gear mechanism with a planetary gear stage arranged on the drive input side and with first and second spur gear stages arranged, in a gear mechanism housing, downstream of the planetary gear stage. The first spur gear stage rotationally and functionally connects a sun gear shaft of the planetary gear stage to an intermediate shaft, the second spur gear stage rotationally and functionally connects the intermediate shaft to a drive output shaft, and only one intermediate shaft is provided. In this case, the gear mechanism housing has a separation joint along which the gear mechanism housing can be divided into a main housing portion and a housing cover in such manner that a separation joint plane passes through the central axis of the intermediate shaft and the separation joint plane extends a distance away from the central axis of the sun gear shaft. | 05-08-2014 |
20140135165 | Planetary Gear Set with Several Gear Stages - Planetary gear set with several gear stages, comprising an annular ring with which the planet gears are in engagement with at least one gear stage; according to the invention it is provided that at least one circular insert part with external and internal gearing is arranged in an annular ring, whereby the external gearing is in engagement with the annular ring and the internal gearing meshes with planet gears of another gear stage. | 05-15-2014 |
20140135166 | PLANETARY GEARBOX AND PROCESS FOR ASSEMBLING THE SAME - A gearbox assembly ( | 05-15-2014 |
20140323263 | ROTARY UNITS, ROTARY MECHANISMS, AND RELATED APPLICATIONS - The invention relates to devices including 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. | 10-30-2014 |
20140371028 | MODULAR GEARBOX ASSEMBLY - Modular gearbox assemblies, modular gearbox kits, and methods for assembling and for using a modular gearbox assembly are disclosed. A modular gearbox assembly is disclosed which includes one or more gear modules each comprising a gear train encased by a module housing. The gear train includes intermeshed gear elements that provide a predetermined gear ratio. The module housing has one or more coupling elements projecting radially outward therefrom. A gearbox housing stows therein the gear module(s). The gearbox housing has an input coupler for attaching to a driving mechanism and transmitting power output therefrom to the gear module(s). The gearbox housing also has an output coupler for attaching to a driven mechanism and transmitting thereto modified power output from the gear module(s). The gearbox housing has one or more protrusions projecting radially inward therefrom that mate with the coupling element(s) to thereby attach the gearbox housing to the gear module(s). | 12-18-2014 |
20150038284 | EPICYCLIC GEARING WITH A GEARING HOUSING - A planet stage of an epicyclic gearing includes a gearing housing with a ring gear arranged in a fixed position, at least two planet wheels mounted in a planet web that has at least one cheek, and a sun wheel. The planet web is connected to an input shaft, and there is a connection between the input shaft and a component of a further planet stage. The planet stage of the epicyclic gearing, in particular the planet web, has a reduced torsional loading. The reduced torsional loading is achieved in that the connection is a connecting web which is connected to that cheek of the planet web which is acted upon by an admission of load/moment, and is arranged in the region between two planet wheels and within the ring gear. | 02-05-2015 |
20150065292 | COMPOUND PLANETARY GEAR UNIT - A compound planetary gear unit comprising a first planetary gear set, a second planetary gear set, a planet carrier for both planetary gear sets together, a first sun gear and a second sun gear as well as comprising a first ring gear and a second ring gear, wherein the first planetary gear set is formed by first planetary gears, which are carried by the planet carrier at a radial distance from a central axis of the compound planetary gear unit in such a way that each of said first planetary gears can be rotated about its own first axis of rotation. | 03-05-2015 |
20150072828 | Planetary Gearbox Transmission using Gear Bearings - The invention uses gear bearings and planet carriers to create a planetary transmission with one or more stages. The gear bearing provides the planet gears, sun gears, and ring gear portion of each planetary stage. A planet carrier connects the planet gears of each stage to the next stage, or the output shaft. The planet carrier interfaces to the gear bearing through holes in the planetary gear elements, or posts which extend from the top of the planetary gear elements. Thus each stage can be built from as little as two parts. Each stage of the planetary transmission can be attached to another planetary transmission stage to provide multiple levels of gear reduction. | 03-12-2015 |
20160377162 | DRIVE ASSEMBLY WITH A ROTATING HOUSING ATTACHED TO AN OUTPUT INTERFACE - A drive assembly is disclosed, including a housing cylinder with a cap end, an attachment end with a first attachment surface, and gear teeth disposed around an inner circumference to form at least one ring gear. A planetary gear set may be surrounded by the housing cylinder and includes at least one sun gear and at least one set of planet gears. An output interface may include an interface body and an annular attachment lip with a second attachment surface. The housing cylinder may be attached to the attachment lip for operation of the drive assembly via the second attachment surface contacting the first attachment surface, with the cap end of the housing cylinder extending axially past an axial end of the attachment lip. 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 |
20180023669 | GEARED MOTOR, AND METHOD FOR INSTALLING A GEARED MOTOR | 01-25-2018 |