F16H59/00

Mounting assembly for vehicle shift mechanism

A mounting assembly for a vehicle shift mechanism is provided and includes a steering column having a stationary portion and a moveable portion. The mounting assembly also includes a column clamping structure of the stationary portion surrounding a portion of the moveable portion of the steering column. The mounting assembly further includes a shifter operatively coupled to the moveable portion of the steering column at a first coupling position located on a first side of the column clamping structure and at a second coupling position located on a second side of the column clamping structure. The mounting assembly yet further includes a stationary portion aperture defined by the stationary portion of the steering column, the stationary portion aperture extending from the second side of the column clamping structure in a longitudinal direction of the steering column, the second coupling position located within the stationary portion aperture.

Continuously variable transmission drive pulley

A drive pulley for a CVT has a fixed sheave, a movable sheave, a spider, a biasing member biasing the movable sheave axially away from the fixed sheave, at least one centrifugal actuator and first and second rollers rotationally connected to one of the movable sheave and the spider. The first roller rolls along the other one of the movable sheave and the spider as the movable sheave moves axially. The second roller rolls along the other one of the movable sheave and the spider as the movable sheave moves axially. The first and second rollers transfer torque between the movable sheave and the spider.

Belt-type continuously variable transmission for working machine

A belt-type continuously variable transmission capable of continuously changing a speed reduction ratio of a driven pulley to a drive pulley, has a speed reduction ratio regulation mechanism that regulates a minimum speed reduction ratio of the driven pulley to the drive pulley. The driven pulley includes a fixed sheave, a movable sheave displaceable in an axial direction with respect to the fixed sheave, and a coil spring that urges the movable sheave toward the fixed sheave. The speed reduction ratio regulation mechanism has a swing arm that adjusts an allowable range in which moving away in an axial direction of the movable sheave with respect to the fixed sheave is possible, and a regulation drive section that drives the swing distal end portion of the swing arm to swing continuously.

Vibration isolator for manual transmission shifter with a single reaction arm

A manual transmission shifter includes a reaction arm mounting the shifter to a transmission via a bushing. The bushing includes a resilient member having a tubular section lining a mounting hole in the arm and having a flange extending around the hole. The bushing includes a rigid cup member having an inner sleeve disposed within the tubular section and having a cup rim defining a recess between the inner sleeve and cup rim with a predetermined depth. The flange has a thickness greater than the predetermined depth and is inserted in the recess to create an open gap between the cup rim and the arm. A fastener extends through the inner sleeve to attach the cup member to a transmission bracket. The resilient member attenuates vibrations through the bushing. The arm is provided with a limited range of longitudinal rotation by contact of the arm with the cup rim.

Control apparatus and control method for automatic transmission

In a control apparatus for an automatic transmission including a continuously variable transmission mechanism continuously modifying speed ratio and a stepped transmission mechanism that is disposed on a downstream side of the continuously variable transmission mechanism and being switched between a plurality of gear positions by engaging and disengaging a plurality of frictional engagement elements, the control apparatus comprises a control unit that performs a coordinated shift by shifting the stepped transmission mechanism and simultaneously shifting the continuously variable transmission mechanism in an opposite direction to a shift direction of the stepped transmission mechanism in order to suppress variation in a through speed ratio, which is an overall speed ratio of the automatic transmission, when the stepped transmission mechanism is upshifted and the control unit predicts, on the basis of an increase in an accelerator opening, that judder will occur in the frictional engagement element during the upshift, the control unit reduces a shift speed of the continuously variable transmission mechanism while shudder is predicted to occur in the frictional engagement element in comparison with a shift speed of the continuously variable transmission mechanism during the coordinated shift, the coordinated shift being executed at an accelerator opening corresponding to the increased accelerator opening.

Hydraulic control device of continuously variable transmission for vehicle

A hydraulic control device has: a modulator valve using oil pressure from a hydraulic source for adjusting a modulator pressure; driving and driven-side hydraulic actuator control valves controlling hydraulic oil from the source to driving and driven-side hydraulic actuators; a driving-side control oil pressure adjusting electromagnetic valve using the modulator pressure for outputting a control oil pressure controlling the driving-side control valve; and a driven-side control oil pressure adjusting electromagnetic valve for outputting a control oil pressure controlling the driven-side control valve, the hydraulic control device including a failsafe valve switched from a normal to a failure position based on a failure disabling electric control for the driving-side and driven-side electromagnetic valves, the modulator valve making the modulator pressure lower than a value at the normal position based on an output switching pressure generated due to switching the failsafe valve from the normal to the failure position.

Shifting lever assembly

A shifting lever assembly is provided and includes a shifting lever rotated about a predetermined angle of a rotation axis to select a shift stage, a magnet disposed on the rotation axis to rotate integrally with the shifting lever, and a shifting lever position detection unit coupled adjacent to the magnet that detects a magnetic force based on a rotation of the shifting lever. Further the shifting lever position detection unit includes a circuit board, first and second magnetic force sensors, installed on a first surface of the circuit board, and a third magnetic force sensor, installed on a second surface of the circuit board. Each of the three magnetic force sensor includes a magnetic force detector for detecting a force of the magnet. The magnetic force detectors of the first and second magnetic force sensors are arranged to be symmetrical to the rotation axis.

Bicycle front derailleur
09873482 · 2018-01-23 · ·

An electric front derailleur for a bicycle. The derailleur includes a chain guide, a linkage assembly movably connected to the chain guide, and an electrical actuation unit operatively coupled to the linkage assembly to move the chain guide with respect to the electrical actuation unit. The electrical actuation unit includes a mounting portion configured to be attached to a bicycle frame. The mounting portion is secured to the electrical actuation unit. The mounting portion permits the position of the electric front derailleur to be adjusted with respect to the bicycle frame.

Electric bicycle derailleur control system

An electric bicycle derailleur control system is basically provided with a derailleur, a detecting device and a controller. The derailleur includes a chain guide and an electrical actuator. The chain guide is configured to displace a bicycle chain. The electrical actuator is operatively coupled to the chain guide to displace the chain guide. The detecting device is configured to detect information related to a reaction force of the bicycle chain. The controller is configured to control the electrical actuator in accordance with detected information.

System and method for determining whether a CVT is set to a maximum gear ratio at vehicle startup

A system includes a continuously variable transmission having a primary pulley assembly configured to receive power and a primary oil chamber coupled to the primary pulley assembly such that a pressure of oil within the primary oil chamber is applied to the primary pulley assembly. The continuously variable transmission also includes a secondary pulley assembly and a drive belt configured to transfer power from the primary pulley assembly to the secondary pulley assembly. The system also includes a pressure sensor coupled to the primary oil chamber and configured to detect a pressure of the oil within the primary oil chamber. The system also includes an electronic control unit coupled to the pressure sensor and configured to determine whether the continuously variable transmission is set to the maximum gear ratio based on the detected pressure of the oil within the primary oil chamber.