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8083625 |
Driving force transmission device and image recording apparatus having the same
A driving force transmission device is provided. The device includes: a first differential unit and a second differential unit. The first differential unit includes: first and second input shafts...
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8012057 |
Drive device for motor vehicles
A drive assembly for a motor vehicle generally consisting of a first planetary gear set including a rim gear drivingly connected to an input shaft, a planetary gear carrier mounted on a first...
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7882691 |
High to low pressure spool summing gearbox for accessory power extraction and electric start
A turbine engine includes low and high pressure spools. A high power take-off shaft is coupled to the high spool. An auxiliary component, such as a generator, is configured to be driven by the high...
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7854674 |
Drive system for the individual drive of both driven wheels of a driven wheel pair
A drive system for individually driving two driven wheels of a vehicle. The system includes two continuously variable drive motors which are drivingly connected, via a transmission arrangement,...
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7780563 |
Drive force distribution apparatus
A drive force distribution apparatus is provided with an input shaft, first and second output shafts, a first epicyclic gear group, a second epicyclic gear group and a motor/generator. The first...
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7627407 |
Fault determination device and method of negative pressure generation device
An ECU determines the presence/absence of a fault of a negative pressure generation device that has an ejector that generates a negative pressure that is greater than the negative pressure that is...
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7601086 |
Vehicle with a drive engine arranged in the transverse direction of the vehicle
A vehicle is described, with a drive engine arranged in the transverse direction of the vehicle, with vehicle cross-shafts of a vehicle axle that can be driven by the drive engine and with a...
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7537535 |
Device for conversion of movement
A device for conversion of a rotational movement into a movement of each of two working levers defining a truncated cone and a self-rotating movement of each of the two working levers and vice...
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7462121 |
Hybrid electric vehicle powertrain with four-wheel drive characteristics
A hybrid electric vehicle powertrain is disclosed. A countershaft transmission in the powertrain delivers power from an engine through countershaft gearing. Electric power from a single...
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7442141 |
Transmission
In an exemplary embodiment, a transmission outputs power from two high-speed, high-powered motor/generators into two coaxial output shafts for left and right wheels of a vehicle. Embodiments of the...
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7351174 |
Twin turbo-shaft engine with accessory gearbox drive means
The twin turbo-shaft engine according to the invention comprises a high pressure rotor and a low pressure rotor, at least one accessory gearbox driven by mechanical transmission means, main drive...
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7347799 |
Antivibration device having rotary flyweights and an epicyclic geartrain
An antivibration device for reducing the vibration of a structure, includes a stationary casing, mounted on the structure, and first and second sets each including two contra-rotary rotors having...
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7115058 |
Power-assisted differential assembly
An axle assembly for a motor vehicle. The assembly comprises a carrier housing and a differentially assembly rotatably mounted to the carrier housing. A ring gear is fixed to the differential...
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7112155 |
Directly driven driving axle having two drive motors
The invention relates to a driving axle for electric motor-driven vehicles provided with at least one electric motor mounted on the axle and drive shafts driven by the motor shaft thereof with a...
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7059986 |
Electrically variable transmission
A powertrain having a fuel cell prime mover, an electronic control unit, two motor/generator units, two planetary gearsets, and a plurality of torque-transmitting mechanisms is operable to provide...
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7056252 |
Transmission for distributing a drive torque
A transmission (1) for distributing a drive torque to at least two output shafts (7, 8) which has at least two planetary gear sets (2, 3) with at least three shafts wherein each shaft (4, 5) of a...
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7042111 |
System, method and apparatus for a redundant prime mover system
The present invention provides a system, method and apparatus for a redundant prime mover system to drive a machine having an engine coupled to the machine, and a motor/generator coupled to the...
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6966859 |
Hydromechanical transmission with differential steer
A transmission has an HMT which is in parallel with an HST both driving two planetaries which are used for forward/reverse and for differential steer. A two or three mode HMT is created by having a...
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6896635 |
Transfer case for motor vehicles and method for distribution of a driving force onto two motor vehicle axles
The present invention relates to a transfer case for distribution of a driving force on a first axle (9) and a second axle (8) of a motor vehicle. The transfer case (1) is arranged between the...
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6776737 |
Planetary differential gear
A differential gear includes a main gear wheel rotating on an imaginary axis and having a first side and a second side opposite to the first side, a first output device, the first output device...
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6726588 |
Differential electric engine with variable torque conversion
The differential engine comprises a motor, a torque conversion stage, and a loading mechanism. The torque conversion stage includes first and second differential stages which are coupled together...
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6709354 |
Extruder driving apparatus
An extruder driving apparatus is provided in which a speed change gear mechanism is disposed in a position allowing the speed change gear mechanism to rotate at a much lower rotational speed,...
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6491599 |
Two-mode, compound-split, electro-mechanical, vehicular transmission particulary adapted for track-laying vehicles
A two-mode, compound-split, electro-mechanical transmission that selectively receives power from an internal combustion engine as well as a source of electrical energy. Three power receiving...
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6419606 |
Aircraft control surface drive apparatus
A drive assembly is operable to move control surfaces on wings of an aircraft. The drive assembly may include a gear reduction assembly which is driven by a pair of motors. The drive assembly has...
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6398685 |
Drive mechanism for a vehicle, especially a multilane electromobile
An electric drive for a motor vehicle having a vehicle structure or vehicle frame is provided including a housing adapted to be fixed relative to the vehicle structure or vehicle frame, a motor...
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6206798 |
Active differential
A differential apparatus for controlling the wheel speed of a vehicle includes a primary driving input, and first and second output shafts. The differential apparatus also includes a first...
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6165094 |
Vehicle powertrains
A vehicle power transmission and a vehicle powertrain capable of being continuously controlled over a predetermined range of operation. The powertrain includes two power units, the power...
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6122984 |
Shaft phase control mechanism
A phase control mechanism controls phase relationship between two shafts. The phase control mechanism may be used to control various mechanical devices such as the pitch of propellers of aircraft...
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6106426 |
Arrangement for a double shaft extruder
A transmission for a high-output two-shaft extruder, comprising a speed-reduction gear (1) and a distribution gear (2). The distribution gear has one take-off shaft (4) driven directly by the...
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5575730 |
Multiple-input infinite-speed integral motor and transmission device
A combination electric motor and transmission unit device has at least three inputs and at least two rotational mechanical outputs, at least one of the inputs being of electrical power, to a...
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5396968 |
Drive mechanism for electric car
A drive mechanism for an electric car which has a plurality of motors arranged in a drive mechanism case which, in turn rotatably supports a shaft at two points. This shaft transmits the rotation...
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5168946 |
Track-laying vehicle electric drive system
An electric drive system for track-laying vehicles includes a pair of electric motors for respectively driving the two vehicle tracks in low range forward and reverse, variable speed propulsion and...
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5094116 |
Planetary gearing
An planetary gearing in which a planetary gear is positioned at three or more positions. A sun gear and a planetary carrier are co-axially and rotatably arranged. A planetary gear is rotatably...
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5033996 |
Continuously variable drive
The drive comprises a drive motor (1), two differentials (2, 2'), two worm drives (6, 6'), two servomotors (10, 10'), as well as two control units (9, 9'). The drive motor (1) is connected to one...
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4954832 |
Apparatus for simultaneously rotating a plurality of parallel shafts
Apparatus is provided for simultaneously rotating a plurality of parallel shafts connected, for example, to an array of rf switches that feed energy to or from an array of antenna feed horns. Each...
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RE33278 |
Continuously variable transmission and torque retaining differential
A fully geared continuously variable transmission controls output ratios of differentiating gear sets by using a control gear set that is controlled as to rotation speed by a variable speed drive....
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4943267 |
Mechanical differential
A mechanical differential is disclosed. The mechanical differential comprises first, second and third ring gears, each having inner and outer surfaces, and first and second planet gears and two...
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4879924 |
Gearing for driving the rolls of a roll train
The invention concerns a gear unit for driving the rolls of a roll train with a number of consecutively arranged roll stands. This gear unit has planetary gear sets at at least one output shaft,...
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4869217 |
Internal combustion engine having light metal housing parts
The present invention provides for an internal combuston engine having housing parts such as a cylinder, cylinder head and crankcase formed of a light metal. A plurality of tightening screws are...
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4819512 |
Differential gear for a two wheel or four wheel drive vehicle
A differential gear includes two rotatable cases, pinions disposed rotatably in each of the cases, first and second side gears meshing with the pinions and disposed rotatably in each of the cases,...
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4811627 |
Main transmission gearbox for a twin-engined helicopter
In a main transmission gearbox for a helicopter having two engines, a lifting rotor and an anti-torque rotor, each of the two engines drives a main kinematic chain comprising from upstream down, an...
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4803897 |
Drive system for track-laying vehicles
A drive system for track-laying vehicles utilizes a pair of separate and independent motors to drive a multi-range, infinitely variable steering transmission pursuant to developing two track...
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4776236 |
No-slip, imposed differential
A no-slip, imposed differential uses a first unlimited slip differential 15 connected for driving a pair of axle shafts 16 and 17 and a second unlimited slip differential 20 connected between a...
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4776235 |
No-slip, imposed differential reduction drive
A no-slip, imposed differential uses a first unlimited slip differential 15 connected for driving a pair of axle shafts 16 and 17 and a second unlimited slip differential 20 connected between a...
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4760964 |
Actuator system for jet nozzle flap
In order to enhance performance of an aircraft while at the same time utilizing redundant aircraft hydraulic power in an efficient manner, an actuator system for a nozzle flap of an aircraft engine...
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4732053 |
Multi-axle vehicle steer drive system
A multi-axle vehicle steer drive system divides driving torque with a driving differential 15 and steering torque with a steering differential 20 and combines the divided torque outputs additively...
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4718297 |
Infinite ratio transmission apparatus
A transmission having an input differential and an output differential; each differential having a pair of coaxial shafts rotatable independently of each other and a rotatable member coupled to the...
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4702124 |
Power transmission device
A gear box having two coaxial output shafts. The gear box provides for selectively turning the shafts whereby either the outer and inner output shafts rotate together in the same direction at the...
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4700589 |
Coronel radiant drive systems
The disclosure discribes an all-gear transmission which recirculates and compounds rotary motion and which results in shift-free progressively accelerated output from a limited RPM input range. A...
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4663985 |
Shaft relative speed limiting system
In order to avoid a large torque spike in a system in the event of a system failure, a shaft relative speed limiting system includes a lost motion device and a brake. The lost motion device is...
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