About 113 results
https://drivepatents.com/patents/963302 · 4 Feb 2015
The automatic transmission includes a first friction engagement element which is engaged when a first gear position is realized and disengaged when a second gear position is realized, a second friction engagement element which is engaged when the second ge...
https://drivepatents.com/patents/964108 · 14 Jan 2015
In the case of a return from an idle stop control in which an engine is automatically stopped, a hydraulic pressure is so supplied that a low brake is set in a completely engaged state and a high clutch is set in a slip interlock state where the high clutc...
https://drivepatents.com/patents/966504 · 10 Dec 2014
The present invention is a structure of a control valve body (1) of an automatic transmission in which the control valve body (1) is formed by sandwiching a separate plate (30) between valve body enclosures (10) and (20). Openings of channels (10a) and (20...
https://drivepatents.com/patents/968511 · 22 Oct 2014
A transmission controller executes synchronization shift of shifting a variator in a direction opposite to a speed ratio change direction of a sub transmission mechanism when shifting a sub transmission mechanism. When a gear position of the sub transmissi...
https://drivepatents.com/patents/969808 · 24 Sep 2014
The object of the invention is to impart a suitable target slip amount depending on a state of change in an output from a driving power source (engine 2) to a torque converter 1, while simplifying control. A controller has an input torque change rate detec...
https://drivepatents.com/patents/969794 · 24 Sep 2014
In a control apparatus for an automatic transmission in which a read-ahead vehicle speed which is a future vehicle speed is estimated on a basis of an acceleration and an actual vehicle speed and a gear shift control is carried out on a basis of the read-a...
https://drivepatents.com/patents/969796 · 24 Sep 2014
An automatic transmission control device is provided with: an automatic transmission mode for automatically shifting on the basis of a relationship between an automatic transmission shift line defined by vehicle speed, and an operating point defined by the...
https://drivepatents.com/patents/969786 · 24 Sep 2014
A device for controlling an automatic transmission includes: a position detection means for detecting a shift position; a vehicle speed detection means for detecting a vehicle speed; a rotation frequency detection means for detecting an input rotation freq...
https://drivepatents.com/patents/969777 · 24 Sep 2014
The present invention aims to provide a control device of an automatic transmission, which is able to reduce or improve a shift shock regardless of operation of an accelerator pedal by a driver. That is, the present invention provides a control device of a...
https://drivepatents.com/patents/972511 · 16 Jul 2014
-- Under a specified condition where a torque converter is kept in a lockup state to prolong the fuel-cutoff time, because of vehicle coasting with an accelerator opening APO=0, a downshift command is generated and then an automatic transmission causes a r...