F16H2061/66295

Continuously variable transmission

A continuously variable transmission for a vehicle includes a drive clutch, a driven clutch operably coupled to the drive clutch, and a belt extending between the drive and driven clutches. The continuously variable transmission also includes an inner cover and an outer cover removably coupled to the inner cover. At least one of the inner and outer covers includes an air inlet for providing cooling air to the drive and driven clutches and the belt.

APPARATUS FOR CONTROLLING PULLEY OF CONTINUOUSLY VARIABLE TRANSMISSION AND METHOD THEREFOR

An apparatus of controlling a pulley of a continuously variable transmission and a method therefore is provided. The apparatus includes a non-transitory storage configured for storing a deep learning model, learning of which is completed and a controller that predicts a vehicle speed and an accelerator position sensor (APS) value for each future time point based on the deep learning model and controls the pulley of the continuously variable transmission based on a pulley ratio for each future time point, the pulley ratio corresponding to the predicted vehicle speed and the predicted APS value, thus preventing a reverse control phenomenon of the pulley ratio and increasing a tension of the belt in the continuously variable transmission.

Apparatus for controlling pulley of continuously variable transmission and method therefor

An apparatus of controlling a pulley of a continuously variable transmission and a method therefore is provided. The apparatus includes a non-transitory storage configured for storing a deep learning model, learning of which is completed and a controller that predicts a vehicle speed and an accelerator position sensor (APS) value for each future time point based on the deep learning model and controls the pulley of the continuously variable transmission based on a pulley ratio for each future time point, the pulley ratio corresponding to the predicted vehicle speed and the predicted APS value, thus preventing a reverse control phenomenon of the pulley ratio and increasing a tension of the belt in the continuously variable transmission.

CONTINUOUSLY VARIABLE TRANSMISSION

A continuously variable transmission for a vehicle includes a drive clutch, a driven clutch operably coupled to the drive clutch, and a belt extending between the drive and driven clutches. The continuously variable transmission also includes an inner cover and an outer cover removably coupled to the inner cover. At least one of the inner and outer covers includes an air inlet for providing cooling air to the drive and driven clutches and the belt.

Continuously variable transmission
11662020 · 2023-05-30 · ·

A continuously variable transmission changes a gear ratio by changing a groove width between the fixed side pulley half body and the movable side pulley half body in each of the driving pulley and the driven pulley using pulley pressure. At least any of a drive shaft of the driving pulley and a driven shaft of the driven pulley includes a pulley pressure supply oil passage for supplying pulley pressure to the movable side pulley half body, a lubricating oil passage provided on a downstream of the pulley pressure supply oil passage to supply oil as a lubricating oil to an endless member, and a flow control valve that is provided between the pulley pressure supply oil passage and the lubricating oil passage and operates according to pulley pressure.

Continuously variable transmission

A continuously variable transmission for a vehicle includes a drive clutch, a driven clutch operably coupled to the drive clutch, and a belt extending between the drive and driven clutches. The continuously variable transmission also includes an inner cover and an outer cover removably coupled to the inner cover. At least one of the inner and outer covers includes an air inlet for providing cooling air to the drive and driven clutches and the belt.

CONTINUOUSLY VARIARBLE TRANSMISSION

A continuously variable transmission for a vehicle includes a drive clutch, a driven clutch operably coupled to the drive clutch, and a belt extending between the drive and driven clutches. The continuously variable transmission also includes an inner cover and an outer cover removably coupled to the inner cover. At least one of the inner and outer covers includes an air inlet for providing cooling air to the drive and driven clutches and the belt.

Robust hydraulic system disturbance detection and mitigation

A continuously variable transmission control system includes a continuously variable transmission (CVT) including a primary variator pulley and a secondary variator pulley each including a set of pulley members defining a variable-width gap, and a flexible member positioned within the variable-width gap and movable to define a CVT ratio. The transmission control system also includes a primary pulley valve controlling a primary pulley pressure of a fluid to the primary variator pulley, a secondary pulley valve controlling a secondary pulley pressure of the fluid to the secondary variator pulley; and a pulley pressure control system configured to recognize and mitigate pressure oscillations occurring in the primary pulley pressure or in the secondary pulley pressure.

Belt drive transmission system
11221064 · 2022-01-11 · ·

A transmission system for a vehicle having a belt drive transmission. The belt drive has an adjustable input and output ratio, where the output of the belt drive is provided as a first input to a differential coupling. A further rotating connection is provided as a second input to the differential coupling, so that the output of the differential coupling is arranged as the output of the transmission system. Accordingly, the transmission output is based on the aggregate sum of the rotation of the first and second inputs to the differential coupling, wherein adjustment of the input and output ratio of the belt drive allows for a continuously variable transmission system.

CONTROL MECHANISM DEVELOPED FOR CONTINUOUSLY VARIABLE TRANSMISSION (CVT)SYSTEM
20230313884 · 2023-10-05 ·

The invention relates to the control mechanism developed for continuously variable transmission systems which are chain/belt-driven and which are used in the vehicles with electrical, hybrid and conventional internal combustion engine as an automatic gearbox system in the automotive industry.