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WO/2011/020658A1 |
The invention relates to a hydraulic tensioning system (1) for a belt drive, comprising a cylinder (4) that is designed to receive a linearly displaceable piston (6), said elements together forming a piston-cylinder unit (23) and delimit...
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WO/2011/020659A1 |
The invention relates to a hydraulic tensioning system (1) for a belt drive, comprising a cylinder (4) that is designed to receive a linearly displaceable piston (6), said elements together forming a piston-cylinder unit (3) and delimiti...
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WO/2011/018296A1 |
The invention relates to a belt tensioning unit (1'), in particular for a belt pulley plane of an internal combustion engine, comprising a base part (2) arranged in a rotationally fixed manner and a tensioning part, which is mounted on t...
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WO/2011/018297A1 |
The invention relates to a tensioning system (1) of a traction mechanism drive, comprising a stationary housing (2) and a pivot arm (3) associated with a tensioning roller connected to a traction drive. In a rotationally symmetrical inst...
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WO/2011/014915A1 |
A drive sprocket for machines such as a motorcycle includes cushioning elements to reduce spikes in stress levels between the machine's power transmission and a driven member, such as the wheel of motorcycle. The sprocket has an inner pl...
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WO/2011/015719A2 |
The invention relates to a controllable hydraulic turnbuckle for a power transmission member having a first mode of operation with increased forces and a second mode of operation with less forces, characterized in that it comprises: firs...
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WO/2011/013109A1 |
The invention relates to a transmission unit for a vehicle that can be powered by human effort or by an electric motor, having a crankshaft that can be actuated by human effort and an input shaft for connecting to a rotor shaft of an ele...
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WO/2011/012410A1 |
The invention concerns a chain designed for meshing with a chain sprocket, comprising linkplates (L, L2, L3) and each linkplate has two hinges with a hinge rotation axis (A, B, C, D, H, 32) on a linkplate centreline (s) wherein the hinge...
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WO/2011/008512A2 |
To provide a chain having a mechanism for preventing backbend which does not cause any reduction in power transmission efficiency when the chain is operating, which can suppress string vibration in the chain spans, and which is highly du...
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WO/2011/008291A1 |
A tensioner comprising a base having a shaft, a pivot arm engaged with the shaft, a pulley journalled to the pivot arm, an arcuate damping member frictionally engaged with a pivot arm inner surface, a torsion spring having a first end en...
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WO/2011/002718A1 |
A dual tensioner assembly (100, 300) for a two-belt drive system including a mounting bracket (110, 310), a first and second cup (356, 354) coaxial and integrally formed on opposite sides of the mounting bracket with a common base wall (...
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WO/2010/148580A1 |
A design method for a V-belt(2) and a pulley(1) is provided, which comprises the following steps: 1) concavo-convex teeth are designed on the bottom of the groove of the pulley (1) provided with a V shape groove; 2) concavo-convex teeth ...
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WO/2010/144095A1 |
An exemplary drive assembly for a passenger conveyor includes a belt including a plurality of cords at least partially encased in a jacket. A plurality of connecting blocks are secured to the belt longitudinally spaced apart from each ot...
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WO/2010/143755A1 |
The present invention relates to an apparatus for controlling tension of a track, and more particularly to an apparatus for preventing a track wheel from separating due to an uneven road surface and obstacles on the road surface by minim...
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WO/2010/143795A1 |
The present invention is a device for improving propulsion force by transmitting a strong force to a rear wheel when advancing an object by working a pedal or using a power unit of the same amount of force for quickly and significantly m...
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WO/2010/138349A2 |
[Issue] To allow deviation of a chain to be reliably restricted during travel, and also to allow friction loss to be easily reduced when the chain is operating. [Means of Resolution] A guide plate 4 is disposed on the outermost side in t...
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WO/2010/130534A1 |
The invention relates to a belt tensioning unit (1', 1'', 1''') in particular for a belt pulley plane of an internal combustion engine, having a rotationally fixedly arranged base part (2, 2a) and having a tensioning part (3, 3a) which i...
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WO/2010/130553A1 |
The invention relates to a belt tensioning unit (1) comprising a rotatably fixed base part (2) and a tensioning part (3) which can be rotated in a limited manner in relation to the base part against the action of an energy storage unit (...
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WO/2010/120639A2 |
An assembly (10) for maintaining tension in a drive belt features a housing (20) containing a biasing element (70) that exerts torque on an arm (15) connected to the housing. A pulley (7) is connected to the arm and engages a drive belt ...
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WO/2010/113790A1 |
Provided is a silent chain transmission capable of reducing wear of teeth. The present invention relates to a silent chain transmission (1) including a silent chain (3) and a sprocket wheel (2). The contour of each of the teeth (21) of t...
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WO/2010/111079A2 |
One exemplary embodiment includes a U-shaped chain guide bracket including a base wall extending in a longitudinal direction from an upstream end to a downstream end of the base wall, and a pair of laterally opposed side walls extending ...
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WO/2010/108467A1 |
The invention relates to a toothed belt gearbox comprising a toothed belt, which can be brought into a gearing engagement with at least one toothed belt disk. According to the invention, the helix angle of the teeth on the at least one t...
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WO/2010/109088A1 |
The invention relates to a tool for dismantling a belt placed in a grooved channel of a pulley of a transmission system, characterized in that it comprises at least one first extraction ramp (2, 2', 50) extending between an upstream end ...
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WO/2010/105883A1 |
The invention relates to a traction mechanismdrive, in particular for an internal combustion engine, comprising a vibration damper (1) having a base part (2) and a rotary part (3) that can be rotated to a limited extent relative to said ...
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WO/2010/099074A2 |
One embodiment may include an automotive timing chain system component (10, 12) such as a tensioner arm (10) or a chain guide (12) that, during use, bears directly or indirectly against a chain (22) of an automotive timing chain system (...
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WO/2010/094127A1 |
In one aspect, the invention is directed to a belt tensioner for tensioning a belt, comprising a pivot shaft that is fixedly mountable with respect to an engine block of an engine, a tensioner arm rotatably mounted to the pivot shaft for...
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WO/2009/065695A9 |
The invention relates to a hydraulic tensioning device (1) for an endless drive, comprising a housing (2) with a cylinder (4) and a piston (5) running therein, a spring element arranged between the cylinder (4) and the piston (5), a pres...
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WO/2010/093081A1 |
The present invention relates to an auto tensioner for a vehicle belt drive, wherein a piston rod that is coupled with a piston housing is inserted into a cylinder that is formed inside an outer housing filled with oil, and tension is ap...
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WO/2010/091336A2 |
An all wheel drive motorcycle (10) includes an internal combustion engine (18) having an output shaft (20) extending from the engine (18). A back wheel drive train (22) is coupled to the output shaft (20) with either a first chain (28) o...
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WO/2010/090139A1 |
Disclosed is a lightweight and inexpensive chain guide that has little mechanical loss. The chain guide is equipped with: multiple rollers (2) that make contact with a chain; a chain guide base (10) that supports the multiple rollers (2)...
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WO/2010/085325A1 |
A debris ejecting sprocket comprising a body (100), a plurality of teeth (101) projecting from the body, a plurality of grooves (102) in alternating arrangement with the teeth, each groove receives a belt tooth, a cavity (103) disposed r...
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WO/2010/081586A1 |
The invention relates to a tensioning device for compensating for elongations of the traction mechanism, in particular a chain or a timing belt, of a power transmission drive, in particular on an internal combustion engine, having a tens...
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WO/2010/082765A2 |
The present invention relates to an apparatus for detecting the breakage of a timing belt widely used in a variety of industrial fields and products. The apparatus predicts breakage of a timing belt by detecting a potential disconnection...
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WO/2010/079267A1 |
The invention relates to a tool for mounting a belt on the ribbed groove of a pulley in a transmission system, characterised in that it comprises a nose region (10) having an outer surface (101), an inner edge (15) and an end region form...
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WO/2010/070764A1 |
A power transmission device comprises an electromagnetic wave shielding wall (40) for partitioning a first space (1) and a second space (2) adjacent to the first space (1), thereby to shield the propagation of electromagnetic waves betwe...
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WO/2010/060747A1 |
The invention relates to a tensioning unit (10) for a traction-means tensioning device, particularly for a timing-chain tensioning device of an internal combustion engine, wherein the tensioning unit (10) comprises a piston (16), which i...
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WO/2010/059698A1 |
A chain tensioner assembly includes a bracket with a main wall and a ramp surface. A blade assembly is connected to the bracket and includes a blade located adjacent the main wall of the bracket. The blade includes: (i) a first blade end...
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WO/2010/054927A1 |
The present invention relates to a tensioning element (1) of a traction drive, comprising a housing (2) which forms a cylinder (3) and in which a piston (4) is guided in a linearly displaceable manner. In order to fasten the tensioning e...
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WO/2010/054928A1 |
The invention relates to a semiautomatic tensioning device of an internal combustion engine which has an engine block, with a traction means which is arranged in a force-transmitting manner between a driven member of the internal combust...
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WO/2010/054104A1 |
A tensioner is disclosed that achieves asymmetric damping in part by using a ramp-ramp assembly. The tensioner (10, 100) comprises a tensioner axis (12, 108) defining a pivot axis (11, 11), an arm (1, 102) mounted on the tensioner axle (...
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WO/2010/052086A1 |
The invention relates to a hydraulic tensioning device (1) for a flexible drive means, particularly for a chain or a belt, comprising a housing (2) that has a cylindrical inner surface (3) at least in some regions, wherein in the housing...
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WO/2010/052087A1 |
Hydraulic tensioning system (A) comprising a cylinder (1) and a piston (2) that can be pressurized and guided in the cylinder (1), wherein the cylinder (1) and the piston (2) form a high pressure chamber (7) that is delimited by a head (...
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WO/2010/049201A1 |
The invention relates to an attenuating element containing an elastomer for a traction mechanism (2), such as a belt or a chain of a traction mechanism drive (1), in or on an internal combustion engine, said attenuating element being con...
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WO/2010/049603A1 |
The invention relates to a linear hydraulic tensioner that comprises: a tube (7) rigidly connected to a first mounting member (10) inside which can slide a piston (5) connected to a second mounting member (11); an elastic sleeve (3) surr...
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WO/2010/049202A1 |
The invention relates to a pressure relief valve (1) comprising a first pressure chamber (2) and a second pressure chamber (3), wherein the two pressure chambers (2, 3) are connected to each other via a flow path (4) and wherein a valve ...
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WO/2010/044520A1 |
The present invention which relates to the structure of a check valve and an oil seal in an auto-tensioner comprises a cylinder, the check valve, and the oil seal. A piston coupled with a piston housing is inserted into the cylinder whic...
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WO/2010/040679A1 |
The invention relates to a clamping device for compensating elongations of a tensioning means, comprising a clamping means, wherein a clamping element is disposed between the clamping means and a support surface (4) at the internal combu...
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WO/2010/041747A1 |
Disclosed is an auto-tensioner that is equipped with a base; a turning member that is rotatably supported on the base and to which a pulley, on which a belt is wound, can be attached; a coil spring that is provided with one end latched t...
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WO/2010/038619A1 |
Provided is a tensioner with which structural simplification, improved locking teeth strength, elimination of backlash, reduction of the number of components and cost, and design flexibility can be achieved. The tensioner has a cylindric...
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WO/2010/038620A1 |
A tensioner having a simplified structure, using engaging teeth having increased strength and reduced backlash, constructed from a reduced number of parts, reduced in cost, and having increased design freedom. A tensioner comprises: a t...
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