PROBLEM TO BE SOLVED: To provide a speed-change controller of a hybrid vehicle capable of controlling the speed change of a step type transmission without deteriorating fuel economy. Ž

SOLUTION: This speed-change controller 11comprises an operating gear mechanism having, in the transmission of the hybrid vehicle, a plurality of rotating elements and allowing an engine 2, a first moto...

PROBLEM TO BE SOLVED: To provide a driving operation assisting device for a vehicle enhancing reliability upon sensing accuracy of a sensor to sense an obstacle and executing a proper vehicle control. Ž

SOLUTION: In the case where any object exists at an end of a sensing range of a radar device, weighting on the sensed object is lowered than on objects existing in other regions. A virtual res...

PROBLEM TO BE SOLVED: To provide a driving operation auxiliary apparatus for a vehicle conducting appropriate vehicular control even in a state in that the detection accuracy of a detector detecting an obstacle is decreased. Ž

SOLUTION: In the state in that the detection accuracy is decreased due to the presence of the obstacle at the end of the detection range of a radar device, a control pa...

PROBLEM TO BE SOLVED: To provide a mode transition control device for a hybrid transmission, which can suppress reduction or running out in the driving force, to achieve a smooth mode transition without shocks, at a time of mode transition accompanying fastening or releasing a hydraulic brake. Ž

SOLUTION: The hybrid transmission has a differential device, wherein not less than four input/outp...

PROBLEM TO BE SOLVED: To provide a control device capable of enhancing fuel economy during motor travelling only by a motor in a vehicle driving device with a differential mechanism functioning as a transmission mechanism by a differential action. Ž

SOLUTION: A power distributing mechanism 16 configured to be selectively switchable between a differential condition and a non-differential condi...

PROBLEM TO BE SOLVED: To suppress problems in acceleration response and surging of an electric supercharger when drives of the electric supercharger and a motor are controlled according to operation conditions of an engine in a powertrain equipped with the electric supercharger. Ž

SOLUTION: Both of the motor and the electric supercharger are put in non-operation state in a zone X where a targ...

PROBLEM TO BE SOLVED: To suppress the occurrence of rattling noise of the gears of a motor generator. Ž

SOLUTION: The motor generator is formed to be meshed with and rotatably in synchronism with the gears of an MMT through an MG clutch. When a torque is requested for the motor generator (YES in step S10), the MG clutch is engaged (step S11) to perform the torque control of the motor generato...

PROBLEM TO BE SOLVED: To provide a mode transition controller for a hybrid vehicle which can improve responsiveness to the request of a driver. Ž

SOLUTION: The mode transition controller for a hybrid vehicle is provided with an accelerator pedal opening speed detection means which detects the opening speed of an accelerator pedal operated by a driver, and a transition control means which chan...

PROBLEM TO BE SOLVED: To provide a hybrid vehicle embodied on the trans-axle system equipped with a small-sized mechanism for distributing the driving force of an engine to the front wheels, capable of establishing a four-wheel driving even in operation other than starting and acceleration. Ž

SOLUTION: An epicyclic gearing 20 as a differential mechanism having at least a first to a third shaf...

PROBLEM TO BE SOLVED: To suppress a fall in the operating fluid quantity in a CVT (continuously variable transmission). Ž

SOLUTION: In the control method of an automobile, when the connection of a clutch for connecting an engine and the CVT is released, containment control is carried out to prevent an operating fluid from going in and out of an oil chamber for performing variable speed contro...

There is provided a pneumatic tire having a shallow groove provided between zigzag sipes adjacent in the circumferential direction of the tire, a tire mold used for production of the pneumatic tire and a method of producing the pneumatic tire with the tire mold, which can reduce production cost of the mold, facilitate trimming operation and decrease waste from trimming while reduction of driving s...

The x-ray system has a patient lying surface or table and a radiation module with an x-ray emitter and a beam detector or receiver. The module comprises a carrier attached to the table, to which the beam emitter and the receiver are attached. The carrier is pivotal such that the emitter and receiver can be moved from a position above or below the table to the opposite position below or above the t...

PROBLEM TO BE SOLVED: To set an optimum own vehicle advancing route according to actual traveling environment to relaxedly, effectively and maximumly use an automatic steering function without causing uneasiness about contact or collision with a forward vehicle or the like to a driver. Ž

SOLUTION: When detecting the presence of a solid object in another position except a forward own vehicle t...

An internally geared hub ball pushing unit (74) is configured to be mounted on a hub axle (42) such that is less likely to experience a decrease in bearing durability resulting from deformation of the ball pushing surface (64a). The ball pushing unit (74) is provided with an inside member (77) and an outside member (78). The inside member (77) has a fitting part (77a) configured to be fitted onto ...

PROBLEM TO BE SOLVED: To improve lubricating property of a friction clutch or the like by providing a yaw moment control function, and miniaturizing constitution. SOLUTION: This differential gear 1 is provided with differential mechanism 5 distributing the rotation of a differential case 3 to the axle side, shift gear sets 9, 11, 13 arranged between the differential case 3 and one side axle throug...

PROBLEM TO BE SOLVED: To form a package whose width and thickness between upper and lower lateral seals are almost uniform by providing a projection, for correcting a semi-package into a specific shape by the pressing and supporting of parts under the upper lateral seal, on the upper-end face of each of opposite sidewise pressing faces. SOLUTION: A projection 27 for correcting a semi-package 3 int...

PROBLEM TO BE SOLVED: To provide a laser beam machining method capable of precisely cutting a workpiece without producing a fusing and a cracking out of a predetermined cutting line on the surface of the workpiece. Ž

SOLUTION: A laser beam L is radiated with a condensed point P aligned to the inside of a wafer-shaped workpiece 1, and a modified area elongating along the predetermined cut line...

PROBLEM TO BE SOLVED: To provide a compact differential gear incorporating a yaw moment control function. SOLUTION: A differential gear comprises a differential casing 9 adapted to be rotated by a drive force from an engine, a differential outputting the rotation of the differential casing 9 from side gears 37, 39, first speed-change mechanisms 17, 19 for coupling the side gears 37, 39 with the wh...

A control device of a transmission capable of efficiently collecting regenerative energy and smoothly changing a speed stage by controlling pressure oil supplied to and discharged from each friction element of a transmission when regenerative braking is carried out could be provided on a hybrid vehicle having an engine 1, a motor 2, and a transmission 5 transmitting a rotation of an engine 1 to a ...

A control device for a vehicle is equipped with a vehicle model motion means 94 for determining a motion of a vehicle (a vehicle model motion) on a vehicle model 72 expressing the dynamic characteristics of a vehicle 1 on the basis of drive manipulated variables, such as an angle of steering by a driver, and a state amount error reaction control means 96 for determining control inputs to an actuat...