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7608008 |
Eight-speed powertrain of automatic transmission for vehicle
A eight-speed powertrain of an automatic transmission for a vehicle combining four simple planetary gear set with a plurality of clutches and brakes to realize seventh forward speed or eighth...
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7597646 |
Multi-speed transmission
The transmission has an input and output shaft, planetary gearsets, rotatable shafts, and shifting elements. A carrier of the gearset (RS 4 ) and the input shaft are coupled to form the shaft ( 1...
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7582040 |
Multi-speed gearbox
An eight-gear gearbox comprises an input shaft, an output shaft, four planetary gear sets, eight rotatable shafts and five shifting elements.
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7285069 |
Multi-speed power transmission
A powertrain incorporates a multi-speed planetary transmission having four planetary gearsets and seven torque-transmitting mechanisms. The planetary gearsets are interconnected and controlled by...
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7278940 |
Powertrain with electrically variable transmission providing improved gradeability
A powertrain includes an engine with an engine output member and a transmission with two motor/generators and a transmission input member operatively connected to the engine output member. A...
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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...
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7214154 |
Electrically variable transmission having six fixed speed ratios
A two-mode, compound-split, electro-mechanical transmission utilizes an input member for receiving power from an engine, and an output member for delivering power from the transmission. First and...
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7131925 |
Six-speed powertrain of an automatic transmission for a vehicle
The powertrain includes an arrangement of three single planetary gearsets of which operational elements are wisely interconnected to one another via two clutches and to the transmission via three...
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7101303 |
Multiple gear stage automatic transmission
A multiple stage transmission in planetary design comprises three planetary gear sets (P 1, P 2, P 3 ), at least six rotatable shafts ( 1, 2, 3, 4, 5, 6 ), at least six shifting elements ( 03,...
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7018319 |
Multistep gear
The invention relates to a multi-step gear, comprising a drive shaft ( 1 ) linked with a front-mounted gear train (VS), an output shaft ( 2 ) linked with a rear-mounted gear train (NS), and...
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6991578 |
Multistep gear
A multi-step gear including a drive shaft linked with a non-shiftable front-mounted gear train, an output shaft linked with a shiftable rear-mounted gear train with four free shafts, and shift...
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6976932 |
Multi-speed planetary transmission mechanisms with a stationary planetary member and two brakes
The family of transmissions has a plurality of members that can be utilized in powertrains to provide six forward speed ratios and a reverse speed ratio. The transmission family members include...
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6976931 |
Eight speed transmissions with three planetary gear sets
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...
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6976930 |
Transmission assembly
A transmission assembly includes a stationary housing and a first section having a coupling member. The first section further includes a first planetary gear assembly, a second planetary gear...
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6958031 |
Automatically shiftable motor vehicle transmission
A motor vehicle transmission having seven forward speeds and one reverse gear containing an input drive shaft ( 1 ) and an output drive shaft ( 2 ) that are arranged in a housing (G); three...
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6955627 |
Multi-speed transmission and integrated drive transfer mechanism
A multiple speed transmission capable of producing five underdrive gear ratios, one direct drive ratio, four overdrive ratios, and four reverse ratios includes four interconnected planetary...
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6875150 |
Multiple piece planet gear carrier for a bicycle hub transmission
A planet gear carrier for a bicycle hub transmission comprises a first carrier member including a first carrier member axle opening for receiving an axle therethrough. The first carrier member...
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6852060 |
Gear assembly
A planetary gear assembly comprising a primary array ( 2 ) of co-axial planetary gear sets and a secondary array ( 3 ) of co-axial planetary gear sets, planetary gear set being provided with an...
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6808469 |
Planetary gear type multiple-step transmission for vehicle
A vehicle planetary gear type multiple-step transmission wherein each of five rotary elements is constituted by sun gears, carriers and ring gears of three planetary gear sets, and speeds of the...
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6802795 |
Automatic transmission of motor vehicle
An automatic transmission of a motor vehicle includes first, second and third planetary gear sets, two clutches and three brakes. A first-speed gear stage having the largest gear ratio is...
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6780138 |
Family of multi-speed planetary transmission mechanisms having three planetary gearsets, three clutches, and two brakes
The family of six-speed planetary transmissions incorporates three planetary gearsets and five torque-transmitting mechanisms, which are engaged in combinations of two to establish at least six...
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6716126 |
Hybrid drive system for motor vehicle with powershift transmission
A multi-speed transmission having an input shaft driven by the engine, an output shaft connected to the driveline, an electric motor, a planetary geartrain driven by one or both of the engine and...
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6702709 |
Drivetrain for hybrid motor vehicle
A hybrid transmission includes a multi-speed planetary gearbox, an automated shift system, and an electric motor/generator. The electric motor is operably controlled to drive the gearbox to...
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6468178 |
Rear wheel hub with drive train gear assembly, spindle and cranks for use on a bicycle
A rear wheel hub and chainless drive train gear assembly for use on a bicycle having an axle bracket fixed to the frame of the bicycle, a spindle extending axially through the axle bracket and left...
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6258005 |
Multispeed bicycle gear system
The invention relates to a multispeed gearshift mechanism for bicycles. The gearshift mechanism contains a shaft (1), which can be mounted, fixed against relative rotation, on a bicycle frame, an...
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6083135 |
Multiple speed overdrive transmission for a motor vehicle
A multiple speed transmission for motor vehicles includes three simple planetary gearsets, and hydraulically actuated friction clutches and brakes for controlling operation of the gearsets and...
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5800303 |
Four-speed automatic transmission
A four-speed automatic transmission for a vehicle includes a transmission housing, an input member, an output member, three planetary gearsets for changing a ratio of torque between the input...
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5683325 |
Automatic transmission for vehicle
A 5-speed automatic transmission for a vehicle having a highly efficient top gear, a compact construction and a wide overall range of gear ratios. The automatic transmission has a speed changer...
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5250011 |
Multiple speed synchronous automatic transmission for motor vehicles
A multiple speed transmission for use in an automotive vehicle driveline includes a torque converter and three simple planetary gear units, one-way clutches and brakes, friction clutches, and...
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5167592 |
Automatic transmission
An automatic transmission for use with an automotive vehicle having an engine provided with an output shaft, and a differential. The automatic transmission comprises a casing, and first, second and...
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5071398 |
Integral-type planetary gear transmission separable by clutch
A planetary gear transmission for use on automobiles includes an input shaft, an output gear, and three planetary gear trains disposed coaxially with each other and each having a sun gear element,...
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4963124 |
Planetary gear transmission for motor vehicle
A vehicle transmission including a first, a second and a third planetary gear unit coaxially disposed between an input and an output member. The three units have respective first, second and third...
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4936597 |
Fully enclosed multiple speed drive for a chain driven tandem bicycle
An enclosed multiple speed drive for a tandem bicycle locates the pedal drive shaft for the rear rider on the axis of the rear wheel. The drive features a chain case which replaces the chain stay...
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4854191 |
Speed change device for a bicycle
A speed change device for a bicycle is provided which includes a planetary gear mechanism in which a plurality of lock pawls are provided at a fixed shaft to control locking and unlocking of a...
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4842291 |
Enclosed multiple speed drive for low maintenance chain driven bicycles
An enclosed drive for a low maintenance bicycle features a chain case which replaces the conventional chain stay on the right side of the bicycle, and an improved nine speed planetary transmission...
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4826190 |
Dual wheel driven tricycle with a fully enclosed multiple speed drive
A pedal powered recumbent tricycle with a fully enclosed drive features an extruded aluminum frame within which the brake cables, steering linkage, and a seventeen speed planetary transmission are...
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4823641 |
Planetary-gear speed-change transmission
A planetary gear transmission having four or five forward speeds and which comprises three planetary gear sets with clutches and brakes for speed selection. The planet carriers of the sets are...
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4721015 |
Three stage planetary driving wheel for pedal powered vehicles
A three stage, sixteen-speed, planetary driving wheel, with the pedal drive shaft on the axis of the wheel and vehicle interface fittings on both sides inboard of the pedal crank arms, for mounting...
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4706982 |
Dual range planetary transmission for pedal powered vehicles
A dual range planetary transmission which is located inside the hub of the driving wheel of a pedal powered vehicle such as a front wheel drive bicycle camper. The transmission includes a pedal...
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4660439 |
Planetary gear train for automatic transmission
A planetary gear train for an automatic transmission comprises a basic planetary gearing, an output planetary gear set, and a change speed arrangement including clutches and brakes. One of a sun...
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4640152 |
Multi-speed planetary transmission
A single axis multi-speed planetary transmission of the epicyclic type is provided in which a single rotating housing encloses and carries three epicyclic gear sets. Hollow end portions of the...
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4480503 |
Multistage transmission for motor vehicles
A multi-speed transmission comprising either two or three planetary gear sets arranged in a series with the output from the first and second sets of the series operatively connected to the inputs...
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4345490 |
Multi-speed powershift transmission
This invention relates to a multi-speed powershift transmission which is particularly useful in agricultural and industrial type vehicles. The transmission comprises three main planetary sections...
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4328716 |
Multi-speed planetary gear
A multi-speed planetary gear transmission having a primary shaft connected to a secondary shaft via a planetary gear having a drive annular gear connected to one of said shafts, a planet carrier...
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4189962 |
Multiple speed gear reducer
A multiple speed gear reducer embodying the present invention includes a power input shaft and a power output shaft, a plurality of load sharing gear trains interconnecting said input and output...
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4142425 |
Multiple speed double planetary gear transmission
A multiple speed gear transmission includes a pair of planetary gear arrangements connected in series, the output of the first connected to the input of the second. Each such planetary gear...
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4089238 |
Planetary gear change-speed transmission, especially for motor vehicles
A planetary gear change-speed transmission, especially for motor vehicles in which a first group consisting of planetary gear sets provides three forward speeds and a reverse speed with one of the...
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4019406 |
Modular power transmission with self-energizing clutch
A power transmission comprises one or more sequential modules each including a modular portion of an enclosure for the complete transmission, a planetary gear set, a direct drive clutch, a...
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3941013 |
Compound epicyclic transmission systems
A vehicle transmission comprises an epicyclic change-speed unit in series with a supplementary two-speed unit having a direct drive ratio and an indirect overdrive or reduction ratio, thereby...
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3916729 |
Modular power transmission with self-energizing device
A power transmission comprises one or more sequential modules each including a modular portion of an enclosure for the complete transmission, a planetary gear set, a direct drive clutch, a...
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