Class / Patent application number | Description | Number of patent applications / Date published |
475311000 | Sun braked | 16 |
20080200298 | FORWARD AND REARWARD MOTION SWITCHING MECHANISM USING BRAKE BAND - A forward and rearward motion switching device to be used in an automatic transmission system for a vehicle, comprises a planetary mechanism provided with an input element, an element to be fixed and an output element which are disposed coaxially and are rotatable relative to each other, the planetary mechanism outputting a rotational driving force of an internal combustion engine transmitted to the input element as a rotational driving force in the reverse direction to the rotation of the input element from the output element through the input element, the element to be fixed and the output element, and a brake capable of fixing the element to be fixed of the planetary mechanism. The brake comprises a rotational drum which is integrally formed with the element to be fixed and has an outer peripheral surface, and a brake band that surrounds the outer peripheral surface of the rotational drum to fix the same. | 08-21-2008 |
20090082166 | 8-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, five torque-transmitting devices, one fixed interconnection, three external gear sets and a final drive gear set. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with one of the external gear sets. The five torque-transmitting devices provide interconnections between various planetary and external gear members, the input shaft, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 03-26-2009 |
20090082167 | MULTI-SPEED TRANSMISSION WITH EXTERNAL DRIVE GEARSETS - A transmission is provided having an input member, an output member, three planetary gear sets, four external gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes. | 03-26-2009 |
20130157800 | Limited Slip Planetary Gear Transmission - A limited slip planetary gear transmission comprising an input member, an output member, a planetary gear set coupled between the input member and the output member, the planetary gear set having a sun gear, and a brake member directly coupled to the sun gear, the brake member controls an output torque of the planetary gear set by controlling a speed of the sun gear. | 06-20-2013 |
20140128206 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - An automatic transmission planetary gear train for a vehicle may include a first shaft receiving a torque of an engine, a second shaft disposed substantially in parallel with the first shaft, a first planetary gear set disposed on the first shaft and including a first sun gear, a first planet carrier, and a first ring gear as rotation elements, a second planetary gear set disposed on the second shaft and including a second sun gear, a second planet carrier, and a second ring gear as rotation elements, a third planetary gear set disposed on the second shaft and including a third sun gear, a third planet carrier, and a third ring gear as rotation elements, three transfer gears forming the externally-meshed gears, and frictional elements selectively interconnecting the rotation elements of the first, second, and third planetary gear sets or selectively connecting a rotation element to a transmission housing. | 05-08-2014 |
20140128207 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission includes: a first torque-receiving shaft; a second shaft parallel with the first shaft; a first planetary gear set on the first shaft having a first, second and third rotation elements operated as a fixed or output element, directly connected to the first shaft and operated as an input element, and operated as a selective output element, respectively; a compound planetary gear set including a second planetary gear set and a third planetary gear set, and having a fourth, fifth, sixth and seventh rotation elements, selectively connected to the second and third rotation elements, connected to an output gear, selectively connected to the first rotation element, and selectively connected to the third rotation element, respectively; three transfer gears forming externally-meshed gears; and frictional elements selectively interconnecting the rotation elements or selectively connecting the rotation elements to a transmission housing. | 05-08-2014 |
20140128208 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train including: a first planetary gear set on a first shaft including a first sun gear operated as an output or fixed element, a first planet carrier operable as an output element, and a first ring gear operated as an input element; a second planetary gear set on a second shaft including a second sun gear connected to the first planet carrier, a second planet carrier, and a second ring gear engaging the first planet carrier and the first ring gear; a third planetary gear set on the second shaft including a third sun gear connected to the second ring gear, a third planet carrier engaging the second planet carrier and connected to an output gear, and a third ring gear engaging the first sun gear; three transfer gears; and frictional elements interconnecting the first, second, and third planetary gear sets and/or connecting a transmission housing. | 05-08-2014 |
20140128209 | MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and a brake actuatable in combinations of three to establish a plurality of forward gear ratios and at least one reverse gear ratio. | 05-08-2014 |
20140128210 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train may include a first shaft receiving torque of an engine, a second shaft selectively connected to the first shaft through an externally-meshed gear, a first planetary gear set disposed on the first shaft, and including a first rotation element selectively operated as a fixed element, a second rotation element directly connected to the first shaft, and a third rotation element, a compound planetary gear set including a fourth rotation element selectively connected to the third rotation element through an externally-meshed gear, a fifth rotation element selectively connected to the first rotation element through an externally-meshed gear, a sixth rotation element directly connected to an output gear, and a seventh rotation element directly connected to the second shaft and selectively connected to the third rotation element through an externally-meshed gear, and frictional elements selectively connecting the rotation elements with each other or with a transmission housing. | 05-08-2014 |
20140162832 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission for a vehicle may include: an input shaft, an output shaft disposed in parallel with the input shaft, a first planetary gear set disposed on the input shaft, a second planetary gear set disposed on the output shaft, a third planetary gear set disposed on the output shaft, three transfer gears forming an externally-meshed gears, and frictional elements selectively interconnecting rotation elements or selectively connecting the rotation elements to a transmission housing. The first planetary gear set includes a first ring gear, a first planet carrier, and a first sun gear. The second planetary gear set includes a second sun gear, a second planet carrier, and a second ring gear. The third planetary gear set includes a third sun gear, a third planet carrier, and a third ring gear. | 06-12-2014 |
20140162833 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission may include: a first shaft receiving engine torque; a second parallel shaft; a first planetary gear set on the first shaft including a first element operated as a fixed element or an output element, a second element directly connected to the first shaft, and a third element; a compound planetary gear set formed by combining a second planetary gear set and a third planetary gear set including a fourth element engaging the first shaft and the third element through gears, a fifth element connected to an output gear, a sixth element engaging the first element through a gear, and a seventh element engaging the third element through a gear; three transfer gears forming the gears; and frictional elements selectively interconnecting the elements or selectively connecting the element to a transmission housing. | 06-12-2014 |
20140309077 | CONTROL OF SHIFTING TRANSMISSION FOR CONSTANT AND VARIABLE FREQUENCY SYSTEMS - A transmission for providing mechanical power from an input includes a transmission assembly having an arm configured and adapted to be connected to a mechanical input for rotation at an input speed. A first planet is rotatably mounted to a first end of the arm. A trim ring operatively contacts the first planet for mutual rotation therewith. A brake is operatively connected to the trim ring for controlling rotation of the trim ring. A second planet is rotatably mounted to a second end of the arm. The second planet operatively contacts the first planet for mutual rotation therewith. An output ring operatively contacts the second planet for mutual rotation therewith to rotate at an output speed based on an input speed of the arm and a trim speed of the trim ring. | 10-16-2014 |
20150018166 | MULTI-SPEED PLANETARY VEHICLE TRANSMISSION - A multi-gear planetary transmission for a vehicle having four planetary gearsets (RS | 01-15-2015 |
20150031497 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with eight forward and one reverse gear, including input and output shafts, planetary gearsets, gear stages, shift elements and shafts. Input shaft couples the carrier of gearset (P1) and, via clutch (15), can couple shaft (5) that couples the ring and sun gears respectively of gearsets (P2, P3). The ring gear of gearset (P1) couples shaft (6), which couples the sun gear of gearset (P2). Shaft (3) couples the sun gear of gearset (P1), can couple the housing via brake (03), and can couple shaft (8), which couples the ring gear of gearset (P3). The carrier of gearset (P2) couples shaft (4), which can couple the output shaft (2) via gear stage (S1) and clutch (24). The carrier of gearset (P3) couples shaft (7), which couples gear stage (S2), which couples the output shaft. A clutch (46, 56 or 45) can engage to block gearset (P2). | 01-29-2015 |
20150354670 | Multi-Speed Transmission - A family of transmission gearing arrangements produces ten forward and one reverse speed ratios by selective engagement of various combinations of four shift elements. Each disclosed transmission includes four planetary gearsets and six shift elements. | 12-10-2015 |
475312000 | Including one-way clutch or brake | 1 |
20120231922 | MANUAL WHEELCHAIR WHEEL AND APPARATUS FOR CONTROLLING SAME - The present invention relates to a manual wheelchair wheel, and in particular, to a manual wheelchair wheel with a built-in geared hub through which the speed of a forward or reverse driving force is shifted and said driving force is transferred, and which has an anti-reverse function, wherein the wheel is light and can easily replace existing wheelchair wheels. The wheel comprises: a central shaft having an axial direction hole and a radial direction through-hole and installed so as to not rotate with respect to the frame of the wheelchair; an input member supported on the central shaft and coupled to and rotated together with a handrim; an output member supported on the central shaft and coupled to and rotatable together with the wheel; a planetary gear column including a plurality of planetary gears installed on either the input member or output member, at least one sun gear engaged with a planetary gear, and a ring gear installed on the other one of the input member and output is member and engaged with a planetary gear; at least one shifting clutch enabling or preventing the rotation of the sun gear; a lock-up clutch enabling the input member and the output member to be coupled together and rotate in concert or be disengaged and rotate freely with respect to one another; and a shifting cam rotatably installed in the axial direction hole of the central shaft in order to control the operation of the shifting clutch and the lock-up clutch, wherein a different clutch operates according to the rotating direction/position of the shifting cam to shift between two or more gears and transfer forward and reverse driving force from the handrim to the wheel. | 09-13-2012 |