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7618337 |
Overrunning decoupler pulley with bare wire spring and grease lubrication
A decoupler assembly for transferring torque between a shaft and an endless power transmitting element. The decoupler assembly includes a clutch spring that is formed only of wire for transmitting...
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7617899 |
Shifting gear system and method
Embodiments of the invention facilitate shifting by reducing forces on certain shifting components and includes a snowmobile comprising a chassis, an engine supported by the chassis, a drive train...
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7614971 |
Apparatus for fine tuning a bicycle derailleur position
A derailleur control apparatus comprises a control unit that receives shift control signals. The control unit provides a first signal to operate the derailleur a first distance from a first...
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7591357 |
Crankshaft torque modulator
A decoupler ( 22 ) is provided for transferring rotary movement between an engine driven crankshaft ( 16 ) and a serpentine belt ( 20 ). The decoupler ( 22 ) has a rotary driving member ( 18, 36 )...
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7584040 |
Method of CVT control in a vehicle for adapting its noise characteristics with permanent and transient modes
The following steps are performed in the control method:
determining a mode of operation from amongst a permanent mode and a transient mode, as a function of a set of variables comprising...
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7563186 |
Gearshift control device for a chain and sprocket transmission system
A gearshift control device for a chain and sprocket transmission system including a gearshift member that is movable along a transverse direction relative to the plane defined by the chain, a...
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7563185 |
Infinitely variable transmission
An IVT machine includes an input shaft, a drive wheel on the input shaft, an output shaft, a ratio changing device which is mounted on the output shaft, an endless belt which passes over the drive...
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7559384 |
Vehicle electrification using a clutched vibration damper
A driving system of a motor vehicle for providing vehicle propulsion power and accessory power includes an engine having an accessory belt providing power to at least one accessory machine and a...
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7553247 |
Electronically servo-assisted bicycle gearshift and related method
A method for electronically servo-assisting a bicycle gearshift, including the steps of: a) driving an actuator of a bicycle gearshift to displace a chain of the gearshift in an axial direction...
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7547263 |
Apparatus for adjusting a position of a bicycle control device
An apparatus for adjusting a position of a bicycle control device comprises a memory that stores a plurality of operating position values corresponding to a plurality of operating positions, a...
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7522033 |
Signal generating apparatus for a bicycle control device
A bicycle signal generating apparatus comprises an input unit and a signal generating unit. The input unit receives a first input signal and a second input signal, wherein the first input signal...
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7503863 |
Bicycle derailleur motor unit assembly
A bicycle front derailleur motor unit assembly is provided that includes a motorized front derailleur mounting member and a motor unit. The front derailleur mounting member is configured to be...
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7467697 |
Electromagnetic coupling device for engine accessories
A system and method for controlling a plurality of accessories associated with a multiple cylinder internal combustion engine having the accessories coupled to an engine crankshaft by an...
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7448972 |
System for transmitting motion between the shaft of an internal combustion engine of a motor vehicle and a group of auxiliary devices
The system includes at least one transmission belt for coupling the shafts of auxiliary devices to a pulley which can be coupled for operation to the shaft of the combustion engine, and an...
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7448806 |
Rotation support device for compressor pulley
A rotation support device for a compressor pulley, wherein a three-point contact radial ball bearing ( 14 b ) is used as a rolling bearing for supporting a driven pulley, the cross sectional shape...
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7442137 |
Eccentric mounting and adjustment system for belt driven devices
An eccentric adjustment and mounting system is useful for belt engaging engine components such as alternators or water pumps. The system includes a housing fixed to the engine, a socket rotatable...
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7425784 |
Alternator having driving pulley with end flanges
An alternator for use in an automobile is driven by an internal combustion engine. The alternator includes a pulley that is coupled to a rotating shaft of the engine via a driving belt such as a...
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7399244 |
Apparatus for controlling a bicycle gear shift device based on movement of the device
An apparatus for controlling a gear shift device comprises a gear shift controller that operates the gear shift device from a first gear position to a second gear position during a gear shift...
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7381142 |
Gear shift device for bicycles
A motorized bicycle gear shift device comprising a derailleur and an electric motor, associated directly with the derailleur, for controlling the derailleur and an electric transducer of absolute...
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7341532 |
Electric derailleur motor unit
An electric derailleur motor unit is provided for a motorized derailleur assembly. The electric derailleur motor unit has a derailleur motor support, a derailleur motor and an output shaft. The...
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7320655 |
Bicycle derailleur with a misalignment inhibiting structure
A bicycle derailleur comprises a first base member structured to be detachably mounted to a bicycle frame, wherein the first base member has a first abutment; a second base member structured to be...
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7311625 |
Rotating apparatus with a torque limiter function
A screw engagement portion between a pulley and a shaft is provided with a thread in a direction to increase the tightening torque when the pulley is driven. A breakable part broken by the axial...
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7306531 |
Electric bicycle derailleur
An electric derailleur has a motor unit having a derailleur motor with an output shaft, a position control mechanism and a controller. The output shaft is rotated through a moveable range including...
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7303478 |
Power transmission mechanism capable of preventing breakage of a rotating shaft
In order to transmit a torque from a hub 5 (rotating body) integrally formed together with a pulley 4 to, for example, a sleeve 6 inserted under pressure into a rotating shaft 1 of a...
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7278938 |
Power transmission device
A power transmission device includes a first one-way clutch that transmits a rotational power of a pulley to a rotating shaft, and a second one-way clutch that transmits a rotational power of a...
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7247108 |
Method and apparatus for controlling an automatic bicycle transmission
An apparatus for determining when to shift a bicycle chain from a first sprocket having a first number of teeth to a second sprocket having a second number of teeth comprises a memory for storing a...
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7244202 |
Step motor positioning structure for belt-type continuously variable transmission
A step motor positioning structure for a belt-type continuously variable transmission having a speed-change control valve for controlling a primary pressure to be supplied to a primary pulley, a...
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7243575 |
Braking mechanism for a gear
An indexing and braking mechanism for a manual transmission having a shifting mechanism and at least one rotatable drive shaft is disclosed. The mechanism includes an indexing mechanism for...
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7223189 |
Electronically servo-assisted bicycle gearshift and related method
A method for electronically servo-assisting a bicycle gearshift, including the steps of: a) driving an actuator of a bicycle gearshift to displace a chain of the gearshift in an axial direction...
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7201685 |
Pulley unit
The present invention comprises a pulley, a shaft body which is rotatable relative to the pulley and is concentrically disposed radially inside of the pulley, a one-way clutch which is interposed...
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7182707 |
Belt-drive system driven by internal combustion engine mounted on automotive vehicle
Plural auxiliary devices such as a water pump and a generator coupled to a serpentine belt-drive system are driven by an internal combustion engine mounted on an automobile vehicle. The generator...
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7153228 |
Power transmission
A power transmission includes a first rotating member driven by an external drive source, an electromagnetic solenoid provided to the first rotating member, a second rotating member fixed to a main...
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7144027 |
Bicycle control apparatus that sets a bicycle transmission to a predetermined gear ratio
A control apparatus for an electrically operated bicycle transmission comprises a power supply sensor and a control unit operatively coupled to the power supply sensor. The power supply sensor...
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7118502 |
Drive arrangement
A scooter drive arrangement which includes a first shaft, with a one-way bearing and a clutch, which is connected to a driven wheel, and a second shaft, which is rotated by an engine, through a...
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7116008 |
Electrical communication system for a bicycle
A bicycle signal processing device includes a first bicycle signal processing element that generates a first signal having a first impedance, an external output terminal having an exposed output...
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7065434 |
Bicycle electronic control device with a reset function
An electronic control device for controlling a controlled device installed on a bicycle comprises a programmed computer that controls the control device. A reset circuit receives information...
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7056247 |
Pulley unit
A pulley unit includes a pulley and a rotor concentrically disposed for relative rotation, a one-way clutch interposed in an annular space therebetween, rolling bearings provided on opposite sides...
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7048661 |
Power transmission device and torque transmission member
A power transmission device for transmitting torque of a driving unit to a driven unit includes a first rotator, a second rotator, and a torque transmission member. The first rotator is to be...
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7048659 |
Gear shift device for bicycles
A motorized bicycle gear shift device comprising a derailleur and an electric motor, associated directly with the derailleur, for controlling the derailleur and an electric transducer of absolute...
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7041019 |
Automotive compressor having a simple waterproof structure for a bearing supporting a pulley
In an automotive compressor, a pulley ( 6 ) is rotatably supported on a compressor housing ( 1 ) through a bearing ( 5 ) to have an axial gap ( 10 ) left between the compressor housing and the...
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7036836 |
Automatic speed change device for bicycle gearbox
A structure of an automatic speed change device for bicycle gearbox is disclosed in this present invention. The above-mentioned design can be applied to a bicycle with a rear wheel speed change...
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7025680 |
Torque transmission device having torque limiter
A torque transmission device includes a pulley, a cylindrical member, a torque limiter and a weight member. The pulley is rotated by torque transmitted from a drive source. The cylindrical member...
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7015598 |
Power control apparatus for a bicycle
A power control apparatus for a bicycle that uses a first power supply and a second power supply to provide electrical power includes a voltage sensor for sensing a voltage from the first power...
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7011590 |
Shift assist apparatus for a bicycle transmission
An assisting apparatus for using power from a moving member to assist the operation of a bicycle transmission comprises a power transfer mechanism, a drive coupling mechanism, and a position...
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6988739 |
Electronically servo-assisted bicycle gearshift and related method
A method for electronically servo-assisting a bicycle gearshift to allow compensation for misalignments between the chain of a bicycle gearshift and one or more sprockets of the gearshift, the...
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6959941 |
Bicycle shift control apparatus that selectively restricts speed stages
An electronic shift control apparatus is provided for a bicycle having a transmission with a plurality of speed stages. The apparatus comprises a shift unit that provides signals for shifting the...
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6959939 |
Electronic bicycle shift control device
A bicycle shift control device is adapted to be mounted to a bicycle equipped with an alternating current generator and a shifting device having a plurality of speed steps. The shift control device...
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6945888 |
Combined analog and digital derailleur position processing apparatus
A derailleur position processing apparatus includes a derailleur moving member that moves with the derailleur; an analog signal providing mechanism operatively coupled to the derailleur moving...
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6931958 |
Apparatus for controlling first and second bicycle transmissions
A transmission control unit that generates transmission commands for controlling the operation of the first transmission and the second transmission. The transmission control unit includes an...
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6929574 |
Belt drive two speed shift mechanism
A two speed shift mechanism for a belt drive that includes a rotatable shaft with a first pulley, and a tube concentric with the shaft and rotatable therearound. The tube includes a shift hub...
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