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Jatco Ltd patents


Recent patent applications related to Jatco Ltd. Jatco Ltd is listed as an Agent/Assignee. Note: Jatco Ltd may have other listings under different names/spellings. We're not affiliated with Jatco Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "J" | Jatco Ltd-related inventors


Vehicle control device and control method therefor

A vehicle control device includes control means for executing coasting control to disengage a friction engaging element and set a rotation speed of a rotary shaft of a drive source at zero when a predetermined condition is established, the predetermined condition including at least a condition according to which an... Jatco Ltd

Vehicle control device and vehicle control method

A vehicle control device includes control means for executing coasting control, in which a friction engaging element is disengaged and a rotation speed of a rotary shaft of a drive source is set at zero, when a shift range corresponds to a travel range and a coasting condition is established,... Jatco Ltd

Vehicle controlling device

A vehicle controlling device has a frictional engagement element provided between a drive motor and a driving wheel; a shifting unit capable of selecting a travel range or a non-travel range; first obtaining unit configured to, during selection of the travel range, obtain a first parameter including at least a... Jatco Ltd

Control automatic transmission and control automatic transmission

A control apparatus includes a select lever, an inhibitor switch, a manual valve, a first SOL, a second SOL, and a controller. The controller controls the first SOL and the second SOL such that a hydraulic pressure is supplied to a first friction element and a second friction element when... Jatco Ltd

Automatic transmission control device

An automatic transmission control device implements a downshift by disengagement of a clutch that is engaged in a gear position before the downshift. It is determined whether an engine state is in a predetermined region in which a change of an engine torque per a change of an accelerator pedal... Jatco Ltd

Hybrid vehicle control device

An FF hybrid vehicle control device having an HEV mode and an EV mode as drive modes is provided with a CVT control unit (84) for determining primary pulley pressure (Ppri) and secondary pulley pressure (Psec) with which a belt (6c) of a belt-type continuously variable transmission (6) will be... Jatco Ltd

Control device for continuously variable transmission of vehicle

The drive system from the engine (1) to the drive wheels (7) of a vehicle is equipped with a torque converter (2), which has a lock-up clutch (3), and a variator (4). Said engined car is provided with a lock-up control means for controlling the engagement/disengagement of the lock-up clutch... Jatco Ltd

Transmission mechanism

Transmission mechanism has set of two composite sprockets (5, 5), each having pinion sprockets (20) supported movably in radial direction with respect to rotation shaft (1) inputting or outputting power and movement mechanism radially moving pinion sprockets (20) in synchronization with each other while maintaining equidistance of pinion sprocket (20)... Jatco Ltd

Transmission mechanism

A transmission mechanism has a set of two composite sprockets, each having pinion sprockets (210) supported movably in a radial direction with respect to a rotation shaft 1 that inputs or outputs power and a movement mechanism radially moving the pinion sprockets (210) in synchronization with each other while maintaining... Jatco Ltd

Hydraulic control device for automatic transmission and control method therefor

A vehicle control device including an electronically controlled throttle device and configured to control a vehicle for supplying a hydraulic pressure to a friction engaging element of a transmission on the basis of a throttle valve opening controls a start timing of a supply of the hydraulic pressure to the... Jatco Ltd

Continuously variable transmission control device and control method

A continuously variable transmission (100), wherein pressure equalization control is performed to make line pressure (PL) equal to secondary pressure (Psec) when prescribed start conditions are satisfied. During pressure equalization control, a secondary pressure indicated value (Psec_co) is raised by a prescribed amount (S10), then a line pressure indicated value... Jatco Ltd

Vehicle control device and controlling the same

A vehicle control device separately controls driving powers distributed to right and left wheels. The vehicle control device is configured to execute a vehicle posture control for reducing the driving powers transmitted from a driving source to the wheels by a request from a vehicle side. The vehicle control device... Jatco Ltd

Controller for continuously variable transmission

A first target secondary pulley pressure Psteng is calculated based on an output torque Teng of an engine, and then an offset value Psteng+PO is calculated by adding a predetermined offset PO to the first target secondary pulley pressure Psteng. The first target secondary pulley pressure Psteng is outputted as... Jatco Ltd

Controller for continuously variable transmission

A control device for a continuously variable transmission includes a wheel speed difference sensing section configured to sense a wheel speed difference between the driving wheel and the driven wheel from a detection value of the first rotation speed sensor and a detection value of the second rotation speed sensor;... Jatco Ltd

Control device and control vehicle

A control device for a vehicle is provided. The control device includes an automatic transmission constituted of a stepwise variable transmission mechanism configured to switch a plurality of shift stages by engagement and disengagement of a plurality of friction engaging elements, an engine as a driving source, a motor configured... Jatco Ltd

Continuously variable transmission and controlling the same

A transmission controller increases hydraulic pressure supplied to a secondary pulley and decreases hydraulic pressure supplied to a primary pulley to shift a variator to a mechanical Low speed ratio during the hydraulic pressure supplied to the primary pulley and the secondary pulley vibrates. The mechanical Low speed ratio is... Jatco Ltd

Continuously variable transmission and controlling the same

A transmission controller increases hydraulic pressure supplied to a secondary pulley and decreases hydraulic pressure supplied to a primary pulley to shift a variator to a mechanical Low speed ratio when the hydraulic pressure supplied to the primary pulley and the secondary pulley vibrates. The transmission controller shifts the variator... Jatco Ltd

Control device for continuously variable transmission

A control device for a continuously variable transmission includes: a line pressure generating means configured to generate a line pressure; a pilot valve configured to supply a pilot pressure regulated so as not to exceed a first predetermined pressure when the line pressure exceeds the first predetermined pressure; a control... Jatco Ltd

Control device for hybrid vehicle and control the same

A control device for hybrid vehicle is configured to transmit a torque generated by an engine and a motor to a power transmission member according to a driving power request from a driver. The control device for hybrid vehicle includes motor control means and transmission capacity control means. The motor... Jatco Ltd

Continuously variable transmission and control method thereof

A transmission controller determines hydraulic pressures supplied to a primary pulley and a secondary pulley on the basis of a torque calculation value in a case where an integrated controller does not detect a torque detection error, determines the hydraulic pressures supplied to the primary pulley and the secondary pulley... Jatco Ltd

Lock-up-clutch control device

A control device for a lock-up-clutch installed in a torque converter arranged between an engine and an automatic transmission mechanism includes an engagement control means that carries out a calculation to increase an engaging capacity of the lock-up-clutch with the passage of time during an engagement control time in which... Jatco Ltd

Control device for continuously variable transmission

A control device for a continuously variable transmission includes: a line pressure generating-section configured to generate a line pressure; a pilot valve configured to supply a pilot pressure regulated so as not to exceed a first predetermined pressure when the line pressure exceeds the first predetermined pressure; a control section... Jatco Ltd

Control device for continuously variable transmission

A control device for a continuously variable transmission includes: a lock-up clutch of a torque converter which is arranged to connect and disconnect a power transmission between a power source and the driving wheel; a control section configured to output a hydraulic pressure command value, and to control a transmission... Jatco Ltd

Transmission mechanism

Transmission mechanism has interlock mechanism (60) interlocking widening of circumcircle radius of one composite sprocket (5) and reduction of circumcircle radius of the other composite sprocket (5) during transmission ratio change. Interlock mechanism (60) is configured so that in a case where transmission ratio is changed toward uniform transmission ratio... Jatco Ltd

Vehicle continuously variable transmission equipped with seal mechanism

A vehicle continuously transmission mechanism includes a seal mechanism to seal a hydraulic chamber defined by fixed and movable members on a back surface side of a movable sheave of a pulley or seal an oil passage communicating with the hydraulic chamber. This seal mechanism has an annular seal member... Jatco Ltd

Cooling structure in clutch

In a cooling structure in a clutch having drive plates and driven plates, a lower limit of a width of each of dot grooves is set to a width a at which a flow quantity of lubricating oil passing through each of the dot grooves becomes a minimum flow quantity... Jatco Ltd

Engine control device for vehicle and engine control vehicle

An engine control device for a vehicle including a power train where a continuously variable transmission is coupled to an engine, includes engine torque control means configured to control the engine so as to obtain an basic engine torque corresponding to an operating state of the vehicle, and command means... Jatco Ltd

Vehicle control device and controlling the same

A vehicle control device calculates a target line pressure based on an instructed torque capacity of a friction engaging element and a belt capacity when the friction engaging element is determined as not engaging. Belt capacity is calculated using an input torque of a continuously variable transmission mechanism. The device... Jatco Ltd

Control device for continuously variable transmission

A CVTECU includes a secondary-pressure control section and a line-pressure control section that performs a same-pressure control to equalize a line pressure and a secondary pressure with each other if a predetermined start condition is satisfied. The line-pressure control section realizes a same-pressure state between the line pressure and the... Jatco Ltd








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