About 198 results
https://drivepatents.com/patents/969477 · 1 Oct 2014
A hydraulic control device 1 includes an accumulator 42 configured to accumulate oil supplied by a mechanical pump 31 and supply the accumulated oil to a C1 control system 18 (clutch) by discharging the accumulated oil; a first oil passage 46 connected to ...
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/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/969751 · 24 Sep 2014
A clutch control device for a work vehicle includes a determination unit that determines as to whether or not a clutch cutoff condition has been established based upon whether or not the accelerator pedal is being operated, as determined by the accelerator...
https://drivepatents.com/patents/970232 · 17 Sep 2014
An object of the present invention is to provide a power transmitting apparatus which can surely start an engine by a kick-starter means without increasing the power transmitting capacity and thus the size of the power transmitting apparatus. According to ...
https://drivepatents.com/patents/970657 · 3 Sep 2014
Properly changing a gear ratio to a lower vehicle speed side during vehicle deceleration to properly ensure starting performance at the next vehicle start. When a forward/reverse switching device 16 is in a power transmission interrupted state during vehic...
https://drivepatents.com/patents/970961 · 27 Aug 2014
Disclosed herein is a method for controlling gear shifting of an automatic transmission from an N gear stage to an N' gear stage. The gear shifting is embodied by means of engaging and releasing friction elements. The method includes selecting at least two...
https://drivepatents.com/patents/971259 · 20 Aug 2014
Providing a vehicle drive device realizing preferred fuel efficiency while allowing a torsional vibration reduction device to produce a vibration suppressing effect during slip control of a clutch included in a fluid power transmission device. During slip ...
https://drivepatents.com/patents/971493 · 13 Aug 2014
A vehicle control apparatus includes an opening degree determination unit that determines the opening degree of a throttle valve based on an accelerator operation amount, and a change suppression unit that reduces a time rate of changing of the opening deg...
https://drivepatents.com/patents/971668 · 6 Aug 2014
A hydraulic pressure control device for a transmission, the hydraulic pressure control device configured to operate a prescribed hydraulic apparatus by hydraulic pressure generated by an oil pump to be driven during operation of a driving force source, for...