A method for controlling a gear pump by a control device to compensate a tooth engagement-induced volume flow pulsation to reduce noise emissions. The method includes acquiring a gear angle and an actual speed of the gear pump; keeping a relationship betwe...

A vehicle power unit is provided in which a transmission including a gear transmission mechanism and a gear selector mechanism is housed in a transmission case, the gear transmission mechanism having gear trains with a plurality of gear positions that can ...

Object To provide a hybrid vehicle driving device capable of executing electric power regeneration using only a rotational speed range where the electric power generation efficiency is high. Constitution In the hybrid vehicle driving device including an en...

The drive arrangement comprises two driven axles (12), where one of the axles is switched on or switched off with a velocity changing gear (10) with an input shaft (16), two output shafts (18,20) driving each axle, and forward gears shifted by toothed whee...

To provide a drive device for a vehicle that can appropriately supply oil to an operating oil pressure chamber of an engagement device and can rotatably support a rotor member of a rotary electric machine appropriately, and that can be downsized as a whole...

To provide a drive device for a vehicle that can appropriately supply oil to an engagement member of an engagement device while favorably maintaining controllability of both the engagement device and a fluid coupling. A drive device for a vehicle includes ...

A V belt type automatic transmission includes a driven pulley composed of a fixed sheave (31) and a movable sheave (32), and a torque cam mechanism (50) operating by an operational torque and which generates a thrust (F) in the direction for tightening a b...

A continuously variable transmission for an automotive vehicle, including a power train whose speed ratio is variably changeable in accordance with an oil pressure signal from a control valve assembly. A mechanical feedback mechanism (31) is provided inclu...

A drive train in which the input and output are uncoupled in the force-free condition and is engaged by a hydraulic connection comprising a linked (13,14) master and slave cylinder. There is a pressure release unit (1a) between the cylinders to relieve the...

A transmission for a working vehicle for transmitting drive power from an engine to a driving axle that includes: a flywheel (60) including a flywheel body (65) operatively connected with the engine and a flywheel housing (61) for accommodating the flywhee...