PROBLEM TO BE SOLVED: To perform change-over from a system for calculating target torque of an input side motor/generator by rotational frequency feedback control to a system for calculating target torque of an output side motor/generator by rotational frequency feedback control without generating shock.

SOLUTION: In a determination part 36, a flag FLAGMGis made to be 1 when a rota...

PROBLEM TO BE SOLVED: To prevent excessive discharge of a battery during vehicle deceleration coast driving.

SOLUTION: A lock up clutch is provided on a torque converter between an engine and a motor generator and a driving wheel. At deceleration coast driving of the vehicle, it is determined whether ordinary deceleration mode or a forcible power generation mode (S1 and S2). At the ordinary...

PROBLEM TO BE SOLVED: To solve a problem wherein a hybrid driving device becomes too large, thereby posing a problem in vehicle mounting property, when the requested driving force of an automobile is large in the hybrid driving device transmitting output of a motor for driving to a driving wheel as assist force.

SOLUTION: Output of an internal combustion engine 5 is shifted in a continuousl...

PROBLEM TO BE SOLVED: To provide a controller for a hybrid vehicle capable of intending to make a motor generator small capacity as well as to ensure a wide range of shift while securing durability and reliability of the motor generator without providing unpleasant feeling due to the unintentional reduction of output power of an engine during driving.

SOLUTION: In the controller for the hyb...

PROBLEM TO BE SOLVED: To provide a frictional engagement element arrangement structure of a hybrid drive unit for arranging a brake piston, a clutch piston, a bake plate and a clutch plate so as not to overlap each other in the circumferential direction while sufficiently ensuring a pressure-receiving face of the brake piston.

SOLUTION: In a hybrid drive unit having an engine E, a coaxial p...

PROBLEM TO BE SOLVED: To provide a snap ring slip-off preventive device for use in a toroidal type continuously variable transmission capable of preventing a snap ring 37 from slipping off from its engaging groove 43 even in case a hollow rotary shaft 14a makes high speed rotation when the transmission is in operation.

SOLUTION: The snap ring slip-off preventive device is structured so that...

PROBLEM TO BE SOLVED: To provide a rotary shaft supporting mechanism capable of facilitating the assembling process of a counter shaft, heightening the rigidity of an upper housing of a transmission, and preventing a guide member etc. from being damaged while a passage for oil is secured.

SOLUTION: The rotary shaft supporting mechanism 70 is equipped with a radial roller bearing 71 fitted i...

PROBLEM TO BE SOLVED: To provide a gear shift controller for a hybrid transmission capable of generating electric power using two sets of motor generators even when a rotary member is fastened by a brake and accomplishing a high efficiency power generation through an appropriate torque distribution of them.

SOLUTION: The gear shift controller of the hybrid transmission is structured so that...

PROBLEM TO BE SOLVED: To provide a clutch controller for an automatic transmission in which time required for the start of a vehicle can be shortened and miniaturization of a motor-driven oil pump can be achieved while avoiding the occurrence of shocks due to a rapid change in acceleration when the vehicle is started in the case that a start clutch is engaged by oil pressure from the motor-driv...

PROBLEM TO BE SOLVED: To provide a pinion washer involving no risk of slipping off at the time of being installed in a casing together with a pinion and capable of securing a specified anti-abrasiveness and low friction performance about the sliding friction surface with the pinion shaft.

SOLUTION: The pinion washer 4 is to be installed between the rear face of the pinion 3 installed in the...

PROBLEM TO BE SOLVED: To provide an automatic transmission capable of improving a load carrying property of a vehicle without deteriorating fuel efficiency.

SOLUTION: Other side of a transmission case 50 is not enlarged in diameter so that a second brake fastened by a speed change gear greater than a 2nd forward speed is set to be a small-sized brake. The discretion of a layout design is im...

PROBLEM TO BE SOLVED: To provide an automatic transmission capable of reconciling reduction of weight and vehicle mountability by shortening axial dimension and radial dimension without deteriorating fuel economy.

SOLUTION: A center support 70 having a boss part 70b for rotatably supporting a first intermediate rotary shaft 56 to transmit rotation of a speed reduction rotational path and a ...

PROBLEM TO BE SOLVED: To control the providing of information according to the driving load of a driver.

SOLUTION: This device comprises an imaging camera 11 for detecting the movement of the driver's visual line; an information acquisition part 21 for acquiring information related to the movement of the driver's visual line detected by the camera 11; a driving load calculation part 22 for ...

PROBLEM TO BE SOLVED: To provide a lead-acid battery of which capacity recovering property after long term storage under the circumstance of high temperature is improved by restraining the growth of lead sulfate on the surface of positive electrode due to self-discharge caused by the long term storage under the circumstance of high temperature.

SOLUTION: For the lead-acid battery formed by ...

PROBLEM TO BE SOLVED: To provide a method capable of providing inexpensive BaSO4as compared with a conventional one by shortening the manufacturing process of BaSO4, and used for manufacturing an inexpensive lead-acid battery by using the BaSO4.

SOLUTION: This manufacturing method of the lead-acid battery is provided with a process for manufacturing a negative ele...

The invention concerns a system for issuing and managing offence tickets comprising a portable input device provided to the policeman for recording therein data concerning the contravening vehicle, a ticket medium to be issued to the vehicle owner and adapted to be inserted in the input device for recording therein input data from the input device, and an accession device provided with a display s...

A transmission control system of an automotive vehicle with a continuously variable automatic transmission, comprises an electronic transmission control unit which detects an acceleration of a drive wheel of the vehicle, and compares the acceleration of the drive wheel to a predetermined acceleration value. The control unit operates to inhibit only the upshifting action by preventing a speed ratio...

An X ray source has screens or filters (23) arranged to reduce the beam angle (14) of one electron beam (18a, b) target area (19a) compared to another (19b) so that selection of the radiation distributions (12b, 13b) can be used to match the dose to the patient cross section.; Röntgenstrahler, bei dem zur Verringerung der Patientendosis durch Vergleichmäßigung der während des CT-Bilderstellungsvor...

Comminuting machine comprises comminuting tools (3) having at least two cutting regions in a direction of rotation of a shaft (2). At least one inner cutting region with a relatively small lever arm traps and comminutes more material. At least one outer cutting region with a relatively large lever arm traps and comminutes less material. The contours of both cutting regions form a circle about the ...

A device for measuring the frictional condition of a highway measures the self-aligning torque (21) on a tire, a slip angle (23) a cross force on the tire and has low- and high-pass filters (25,28) followed by a summing region for slip angles. The degree of grip of the upper road surface and the self-aligning torque are then determined. An Independent claim is also included for a process for the ...