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| Number | Title | Issue Date |
| 8167768 | Eight speed chainless drive for a pedal powered utility tricycle An improved eight speed chainless drive includes a gear case housed within the hub of the driving wheel of a utility tricycle with a drive shaft on the axis of the wheel. Three counter shafts rotatably mounted on ball bearings in the gear case are equally spaced aro... | 05/01/2012 |
| 8083633 | 8-speed hybrid transmission The hybrid transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The hybrid transmission includes a motor/generator, three planetary gear sets, five torque-transmitting devices,... | 12/27/2011 |
| 8057350 | 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 four planetary gear sets having five torque-transmitting mechanisms, two fixed interconnectio... | 11/15/2011 |
| 8047955 | Two-stage machine tool gearing, in particular spindle gearing A two-stage machine tool transmission, in particular a spindle drive transmission, includes a planetary gearset in which a spindle or a spindle insert can be connected to a drive output of a transmission, which has a first drive output shaft and the second drive out... | 11/01/2011 |
| 8025604 | Gear and clutch arrangement for multi-speed transmission A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a... | 09/27/2011 |
| 8007400 | Multi-speed transmission A transmission is provided having an input member, an output member, 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. A first interconn... | 08/30/2011 |
| 7951040 | Triple-axle-drive variable transmission for heavy machinery A triple-axle-drive multistage transmission for heavy machinery includes an input part and a speed changing part. The input part includes a clutch part including a forward clutch part and a reverse clutch part to control transmission of the power received from a bev... | 05/31/2011 |
| 7931559 | Multi-speed transmission A transmission is provided having an input member, an output member, 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 transm... | 04/26/2011 |
| 7846059 | Automatic transmission with dry clutches, multi-purpose actuators, or damper An automatic transmission including a first number of dry clutches; a second number of brakes; a third number of actuators; and transfer elements. The transfer elements are connected to respective clutches and brakes by respective uninterruptible mechanical paths. T... | 12/07/2010 |
| 7798936 | 8-speed transmissions 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 having six torque-transmitting mechanisms, one fixed interconnectio... | 09/21/2010 |
| 7749129 | 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 four planetary gear sets having five torque-transmitting mechanisms, three fixed interconnect... | 07/06/2010 |
| 7621842 | Bicycle hub assembly A multi-speed internal bicycle hub transmission assembly includes a hub axle, a driver, a hub shell, a power transmission mechanism, a pawl and a pawl retracting mechanism. The driver is rotatably supported to the hub axle. The hub shell is rotatably supported to th... | 11/24/2009 |
| 7384366 | Transfer case with torque synchronizer clutching The transfer case reduction gearset is often never used for its original intended function, that is, to provide an additional speed reduction (torque amplification) ratio for the powertrain. This concept allows for the increased use of the transfer case gearset comp... | 06/10/2008 |
| 7370873 | Bicycle drive unit of multi pedaling type The present invention relates to a bicycle drive unit of multiple pedaling modes, comprising a drive shaft on one side having a counterclockwise one-way clutch and a clockwise one-way clutch coupled thereto by means of sunk keys and the drive shaft is engaged with a... | 05/13/2008 |
| 7344470 | Multi-speed planetary transmission A power transmission incorporates an input planetary gearset and an output planetary gearset, which are interconnected by a plurality of torque-transmitting mechanisms to establish at least seven forward speed ratios. The input planetary gearset has one member selec... | 03/18/2008 |
| 7337695 | Transmission casing A casing has casing parts and fastening elements, wherein the casing parts are connected to one another by the fastening elements. The fastening elements are located inside the casing so that the exterior of the casing is free of projections and recesses. A first on... | 03/04/2008 |
| 7338058 | Bicycle frame with an integrated gear housing, and a gear housing for a bicycle frame A bicycle frame with a seat tube (1), a headset tube (3), a pedal-bearing housing (5), and a gear housing (6) is characterized by the fact that the pedal-bearing housing (5) and the gear housing (6) are directly connected to... | 03/04/2008 |
| 7325662 | Dry friction launch clutch for an automatic transmission and method A powertrain for a vehicle includes a dry friction clutch connected between an engine output member and a transmission input member. The dry friction clutch is selectively engagable to transfer torque from the engine output member to the transmission input member to... | 02/05/2008 |
| 7311630 | Multi-speed transmission with differential gear set and countershaft gearing A transmission is provided having a differential gear set with three input torque-transmitting mechanisms, such as friction clutches, to achieve torque flow through the differential gear set to a countershaft gearing arrangement. The transmission utilizes power-on s... | 12/25/2007 |
| 7303500 | Multiple-speed automatic transmission A multiple speed transmission having an input and output includes a first and second planetary gearsets, each gearset including a sun gear, a ring gear surrounding the sun gear, a set of planet pinions meshing with the sun gear and the ring gear, and a carrier on wh... | 12/04/2007 |
| 7303502 | Gear change mechanism A gear change mechanism coupling a pair of shafts employs a planetary gear set comprising a sun gear fast with a first of the shafts, planet gears in a planet carrier, and an annulus or ring gear, the latter being fixed. A selector hub slidable on the other of the s... | 12/04/2007 |
| 7300378 | Multi-speed planetary transmissions having clutched input members and providing at least eight speed ratios The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 11/27/2007 |
| 7294089 | Multiple-speed automatic transmission An automatic transmission includes a first power path producing a first ratio of a speed of the input and a speed of a first power path output; a second power path producing a second ratio of a speed of the input and a speed of the second power path output, the seco... | 11/13/2007 |
| 7288044 | Transmission, in particular an automated power-branched multi-speed gearing A transmission (1) is proposed, especially an automated power-split multi-speed transmission, comprises at least three power branches (P1, P2, P3), which are each connected to a shaft (2, 3, 4) of a downstream planetary gearset ( | 10/30/2007 |
| 7284647 | Clutch device for automatic transmission A clutch device for an automatic transmission, wherein a piston is disposed radially outwardly of a drum supporting frictional coupling elements, and cooperates with the drum to define a hydraulic pressure chamber, and a balancer is disposed on one side of the pisto... | 10/23/2007 |
| 7282007 | Multiple-speed transmission for automotive vehicle A multiple-speed transmission provides a wide gear ratio coverage for an automotive vehicle by using a basic structure of a six-speed transmission. The multiple-speed transmission is comprised of a combination of two planetary gearsets, three clutches, and three bra... | 10/16/2007 |
| 7278949 | Planetary transmission Proposed is a planetary transmission (8) comprising an internal gear (24), a sun gear (52) and a planet carrier (10), upon which at least one planet gear (20) is supported. The planetary transmission (8) possesses a clutch a... | 10/09/2007 |
| 7276012 | Radial needle-like roller bearing and pinion shaft There is adopted a constitution of arranging a spacer 53 at a shaft center portion and arranging a retainer 52 and a roller 51 (cage & roller) at two sides thereof in order to prevent the roller (roller) from being rolled at the center portion i... | 10/02/2007 |
| 7276011 | Automatic transmission An automatic transmission having first and second groups of successive forward-drive positions for outputting a rotary motion a speed of which is higher than the speed of a rotary motion received from an input member, the first group being established by an engaging... | 10/02/2007 |
| 7267630 | Multistage transmission With the automatic transmission 10-1 for vehicle according to the present embodiment, since multistage transmission of eight forward gear stages can be obtained by means of four sets of planetary gear sets 12, 16, 18 and 20, four clutches... | 09/11/2007 |
| 7267631 | Automatic transmission having a start-up clutch An automatic transmission having a start-up clutch assembly includes a transmission housing, an input drive shaft, and an output drive shaft. An input planetary gear assembly is also included that has a sun gear and a ring gear, with a plurality of planet gears disp... | 09/11/2007 |
| 7263907 | Dual clutch transmission with a torque converter A multi-speed transmission for transmitting power from a power source includes a torque converter as well as dual clutches which may be arranged as dual input clutches or dual output clutches. To combine the smoothness and ratio boosting effects of a torque converte... | 09/04/2007 |
| 7261666 | Multi-speed planetary transmissions having seven torque transmitting devices engaged in combinations of five The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 08/28/2007 |
| 7252617 | Six-speed powertrain of an automatic transmission A variable compound planetary gearset forms five operational elements by having its single and double pinion planetary gearsets be interconnected by a shared planet carrier. The variable compound planetary gearset forms six forward speeds and one reverse speeds by r... | 08/07/2007 |
| 7249643 | Hub motor The invention provides a hub motor for a wheeled conveyance having a stationary electric motor encased in a rotating, multi-part housing, at least one of the parts of the housing constituting a wheel disk and a wheel rim, and a reduction gear internal or external to... | 07/31/2007 |
| 7247120 | Multi-speed planetary transmissions having seven torque-transmitting devices engaged in combinations of two The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 07/24/2007 |
| 7247119 | Multi-speed planetary power transmission A power transmission for use in a powertrain has an input shaft, an output shaft, an input planetary gearset, and an output planetary gearset. The planetary gearsets are controlled through the selective engagement of seven torque-transmitting mechanisms, three of wh... | 07/24/2007 |
| 7244212 | Six-speed automatic gearbox The invention concerns an automatic gearbox, with a drive input shaft (3) which is connected to a shiftable reduction planetary gear set (10), with a drive output shaft (4) which is connected to a shiftable main planetary gear set (30), a... | 07/17/2007 |
| 7226381 | Nine-speed transmissions with four planetary gear sets Nine-speed transmissions are provided that include four planetary gear sets having six torque-transmitting mechanisms and various fixed interconnections to provide nine forward speed ratios and a reverse speed ratio. The powertrain includes an engine and torque conv... | 06/05/2007 |
| 7223194 | Clutch mechanism with dual clutch devices and a planetary gearset A clutch mechanism includes a housing adapted to be rotated by an automotive engine, a shaft having first and second sections and a first end adapted to be an input to a transmission, and first and second clutch devices positioned with the housing. The first clutch ... | 05/29/2007 |
