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WO/2009/148461A1 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously and infinitely variable transmissions (IVT). In one embodiment, a variator is adapted to receive a control system that cooperates w...
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WO/2009/117827A1 |
The present invention relates a mechanical differential actuator for interacting with a mechanical load. The mechanical differential actuator comprises first and second semi-active sub-actuators, a velocity source and first and second me...
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WO/2009/107543A1 |
A friction type transmission device for transmitting power by frictional force between two roller units in contact with and pressing against each other. The transmission device has pressing force application means which, in order that fr...
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WO/2009/093570A1 |
A friction roller (32) is radially pressed, under control by rotation of a crankshaft (41), toward a friction roller (31), and this enables torque to be transmitted between the rollers (31, 32). A radial pressing reaction force between t...
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WO/2009/093569A1 |
Under the control of the rotations of a crankshaft (41), a friction roller (32) is radially pushed onto a friction roller (31), so that the torque can be transmitted between the rollers (31 and 32). The radial pushing reaction between th...
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WO/2009/052771A1 |
The invention relates to a gear stage (10), in particular of a vehicle seat (3), which is embodied as a friction wheel gear stage, comprising a housing (5), a drive (12), an output (14) that is set off from the drive (12) by an excentric...
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WO/2009/052813A1 |
The invention relates to a clutch, in particular of a vehicle seat, which is configured with a switchable clutch function, comprising a housing (5), a drive (12), an output (14) that is set off from the drive (12) by an excentricity (e) ...
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WO/2009/052812A1 |
The invention relates to a gear stage (10), in particular of a vehicle seat (3), which is embodied as a friction wheel gear stage, comprising a housing (5), a drive (12), an output (14) that is set off from the drive (12) by an excentric...
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WO/2009/042001A1 |
An enclosed bicycle drivetrain is provided that produces a range of drive ratios suitable for any riding purpose. The enclosure of substantially the entire drivetrain is made practical by the synergistic cooperation of a planetary drive ...
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WO/2008/152227A2 |
The invention is a quiet-operating motor-reducer the power of which may reach (several megawatts) and which is of low cost, using a plurality of motors (1) each associated with one or two wheels (2) with elastomer or pneumatic tyres. The...
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WO/2008/134859A1 |
The present invention discloses a power transmission system for a wind turbine. The power transmission system allows the installation of a plurality of independent generators. Furthermore, in a preferred embodiment each power transmissio...
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WO/2008/082991A1 |
A friction drive (10) having a plurality of planet assemblies (24A, 24B, 24C) pivotally mounted to a carrier (12), a sun shaft (14) rotatably mounted with the carrier (12) and having a first raceway (16), and an outer ring member (18) ha...
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WO/2008/059807A1 |
A transmission device having a high transmission ratio, reduced in size, cost, and noise, and achieving low slip losses. The outer peripheral surfaces of a small-diameter rolling body (11) and auxiliary rolling body (13) are caused to be...
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WO/2008/057507A1 |
Mechanisms and methods for clamping force generation are disclosed. In one embodiment, a clamping force generator includes a spring coupled to a traction ring and to a load cam roller cage. The traction ring can be provided with a recess...
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WO/2008/048423A2 |
A system for transferring torque includes a first rotary plate coupled to a first rotational shaft extending along a first axial direction from a first plane of rotation of the first rotary plate, and a second rotary plate coupled to a s...
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WO/2008/039712A2 |
The present invention is directed toward an apparatus for continuous speed variation of an output member with respect to a primary input member. In particular, the present invention provides a device having an output that rotates at redu...
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WO/2008/024895A1 |
A supercharger for boosting intake manifold pressure in an internal combustion engine and producing electrical energy comprises an input shaft (3), a electric machine (50) including a stator (51) and a rotor (53), a compressor (70) inclu...
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WO/2007/109575A1 |
A traction drive transmission has an outer ring 40, a sun roller 10, support rollers 30, and one or more loading rollers 20. The outer ring 40 includes a raceway 42 presented inwardly. The sun roller 10 includes a raceway 12 presented ou...
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WO/2007/081271A1 |
Actuators for adjustments of office and assembling work tables, hospital beds, windows, process valves are some examples on applications where the current gear technology gives noise problems and needs space. Friction gears give silent r...
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WO/2007/074595A1 |
A planetary roller reduction gear of a type directly connected to a motor comprises a casing (6), an input shaft (3) received inside the casing and directly connected to an output shaft (2) of a motor (1), input shaft bearings (20) inter...
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WO/2007/067249A1 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a main axle is adapted to receive a shift rod that cooperates with a shift rod nut...
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WO/2007/042264A2 |
The invention relates to a planetary friction gear which is designed so as make it possible to transmit comparatively great torque densities while providing a very high degree of smoothness of operation, preventing the unwanted slip-stic...
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WO/2007/035671A2 |
The present invention is a system for translating angular rotation between rotary components. The system includes a rotor and a contact wheel. The rotor is rotatable about a rotary axis at a rotary angular velocity. The rotor includes a ...
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WO/2007/035669A2 |
The present invention is a method of constructing a rotary device which as an outer hub and an inner hub disposed within the outer hub. One of the inner and outer hubs is rotatable with respect to the other one of the inner and outer hub...
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WO/2007/035670A2 |
A method of manipulating a fluid is performed by decoupling a first working chamber from a second working chamber. Each working chamber is provided by a rotary device which includes a stator and a rotor rotatabie with respect to the stat...
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WO/2007/028470A1 |
The invention relates to a gear mechanism (40), in particular a linkage mechanism, having a base unit (42) and a rotational unit (44) which is mounted such that it can be rotated relative to the base unit about an articulation axis (46; ...
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WO/2007/024681A1 |
A spindle unit (A) for effecting a manufacturing or repair procedure includes a spindle assembly (2) having a spindle (12) that holds a tool (B), an electric motor (4), and a friction drive transmission (6) located between the spindle as...
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WO/2007/010364A2 |
A friction drive device has first and second rollers (1, 2), in which the ratio of the transmission power and the pressing power is nearly constant regardless of the magnitude of the transmission power. The rollers (1, 2) have center axe...
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WO/2006/089960A1 |
Actuator 13 adapted to cooperate with a drive 1 of an endothermic engine including power source 3 and a releasable accessory 12, the actuator 13 including a box-shaped casing 15, a motorized eccentric group 18 housed inside the casing 15...
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WO/2006/090796A1 |
A variable-speed traction drive transmission device compact and having high durability. The traction drive transmission device (10) varies, by the use of traction of rolling bodies (K) arranged between an input shaft (Si) and an output s...
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WO/2006/064328A1 |
The invention concerns a self-adjustable tractive planetary gear transmission. Said transmission comprises a conical sun gear including a tractive surface at its side wall; an annular tractive track with conical surface concentrically se...
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WO/2006/038833A1 |
The invention relates to mechanisms for converting a speed of rotation, in particular to transmitting a rotation torque by means of a ball chain and can be used for machine and mechanism drives in the form of a module for constructing st...
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WO/2006/014617A2 |
A traction-drive system that in one embodiment comprises an idler (110) rotatable about a longitudinal axis, a plurality of rotatable and generally disc-shaped planet rollers (300) each having an inner contact surface (310), a case conta...
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WO/2006/009292A1 |
A power transmission device, comprising an input shaft (20) and an input disk (21), an output shaft (30) and an output disk (31), rollers (50) rolling in contact with the input disk (21) and the output disk (31), and a load control mecha...
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WO/2005/121601A1 |
The invention relates to a friction wheel drive, especially for driving a secondary unit of an internal combustion engine in a frictionally engaging manner. Said friction wheel drive comprises an adjustable friction wheel (3, 3') which c...
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WO/2005/121598A2 |
A transmission system (20) that is used in conjunction with a microturbine engine (12) for propelling an aircraft body, such as a propeller-based fixed-wing aircraft or a rotor-based vertical lift aircraft, or for a wide variety of other...
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WO/2005/116486A1 |
The invention relates to a friction drive, in particular for driving an accessory unit of an internal combustion engine in a frictionally engaged manner. Said drive comprises an adjustable friction wheel (3), which can be brought into pr...
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WO2005106265B1 |
The present invention provides a new bearing device of free rolling parts. According to the basic embodiment the bearing device is comprised of: an inner race, an outer race, two rows of rolling parts wherein each rolling part is in not ...
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WO/2005/101622A1 |
Disclosed is a drive unit (10) of an adjusting device in a motor vehicle. Said drive unit (10) comprises at least one motor (12) and at least one gear stage (14) that is located at the output end of the motor (12). Said gear stage (14) i...
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WO/2005/100080A1 |
The invention relates to a drive unit (10) of a regulating element for a vehicle seat, especially a motor vehicle seat, comprising at least one especially electronically commutated motor (12) and at least one transmission stage (14) prov...
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WO/2005/100082A2 |
Disclosed is a drive unit (10) for a vehicle seat, especially a motor vehicle seat, comprising at least one motor (12) and at least one gear stage (14) that is disposed at the output end of the motor (12) and is provided with an output (...
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WO/2005/094527A2 |
A steering wheel mounting assembly comprising a stationary support carrier (60), first and second drive rings (100, 120), and a drive roller assembly (140). The stationary support carrier defines first (88) and second (92) ring receiving...
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WO/2005/071289A1 |
When, according to the invention, a one-stage planetary gear is constructed with radially resilient planet wheels and sun shaft (1), and where the centre axes are parallel with the sun axis and positioned closer to it than the axes of th...
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WO/2005/071287A1 |
When, according to the invention, a multistage planetary gear is constructed with a clutch/brake device (8, 21, 22) and these devices are constructed as remote-controlled or automatically operating clutches/brakes, it is possible to cons...
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WO/2005/066519A1 |
A composite planetary speed reduction device (1), wherein gears (11), (12), and (13) and rollers (21), (22), and (23) forming a planetary gear speed reduction mechanism (10) and a planetary roller speed reduction mechanism (20) are integ...
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WO/2005/054716A1 |
Described herein is a clutch wheel (13) for driving a driven member of an internal-combustion engine for a motor vehicle, having a circumferential clutch surface (14), which has an axis (E) and is designed to co-operate with the back (10...
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WO/2005/054713A1 |
Described herein is a drive (1) for an internalcombustion engine (4) for a motor vehicle, comprising: at least one drive pulley (5); at least one driven pulley (7) connected to a driven member of the engine (4); at least one belt (9), ...
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WO/2005/038298A1 |
The invention relates to an articulated-arm assembly for a friction gear of a secondary assembly in an internal combustion engine that is equipped with belt-driven auxiliary assemblies. Said articulated-arm assembly comprises a friction ...
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WO/2005/038299A1 |
A friction gear for a separate accessory (4) of a combustion engine (2) equipped with belt-driven auxiliary units comprises a frictional wheel (3), which is guided by a swivel arm (7) coupled to the engine and to which a protection devic...
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WO/2005/028921A1 |
An apparatus and a method for transmitting power using magnetic force. The apparatus comprises a driving rotary element rotated by a driving motor; and at least one driven rotary element brought into contact with the driving rotary eleme...
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