PURPOSE:To distribute the whole work of a vehicle with a good balance, by displacing a control lever in a dolly in proportion to an amount of depression of an accelerator pedal in a tractor after the accelerator pedal is depressed by a predetermined amount during running. CONSTITUTION:Various sensors are provided in a tractor and a power dolly, and output signals from the sensors are fed to a cont...

PURPOSE:To keep suitable running performance by comparing a predictor of engine output with the actual engine output, and changing a shift position according to the results of comparison. CONSTITUTION:A control unit 3 stores a speed change pattern 31 previously set according to the running condition of a car and controls an automatic transmission 1 according to the speed change gear 1 according to...

PURPOSE:To eliminate snow damage and thereby store articles by providing a refrigerator utilizing compressed snow ice in an article storage space formed in a branch of a road or a tunnel in a mountainous region connecting between a snowfall area and a non-snowfall area. CONSTITUTION:There are existent a tunnel 2 and a road 3 connecting a snowfall area A on the side of the Japan Sea and a non-snowf...

Real time acquisition of cardiac or other gated cyclical data using a scintillation camera with image formulation utilizing only such data that satisfied a preselected time frame for each cycle. The technique provides real time processing of gated data without the need for specialized hardware equipment or for post processing of the data. Unwanted information corresponding to cycles falling outsid...

PURPOSE:To prevent rapid release of a brake pressure and to regulate a releasing timing of a brake pressure to a proper value, by a method wherein, when a clutch device is brought into a halfclutched state, a brake pressure is released. CONSTITUTION:When a clutch master cylinder 1 is actuated so that a clutch is disengaged when enough brake is applied, a stepped piston 4 is moved leftward, and a s...

PURPOSE:To enable organic automatic shifting of a gear, by a method wherein, during deceleration without stepping on an accel pedal, a clutch and a transmission are controlled according to the presence of operation of a foot brake and the number of rotations of an engine. CONSTITUTION:When a foot brake is stepped on, normal deceleration is effected, and the number of revolutions of an engine 10 is...

PURPOSE:To provide excellent gear shifting without generating excessive impact, by a method wherein, when a gear is shifted during the use of a cooling device, control is effected such that an oil pressure to a frictional engaging element is reduced through correction of a duty rate to feed the oil pressure. CONSTITUTION:When a starting signal for gear shifting from 1-step to 2-step is outputted b...

PURPOSE:To make it possible to constantly monitor the normalcy of an emergency electronic control circuit by arranging an emergency electronic control device for backin g up a main electronic control device thereby checking the operating condition of an emergency actuator at the time of a normal driving of a vehicle. CONSTITUTION:When a key switch 30 is turned on, a changeover switch 31 judges whe...

PURPOSE:To eliminate the backlash by dividing a first transmission shaft into first and second shafts which are connected by a coil spring so that they tend to rotate in a circumferentially opposite direction while repelling to each other. CONSTITUTION:A first transmission shaft is divided into first shaft 5 and second shaft 9. A retainer 13 is connected to a flange 10 of the second shaft 9. Multi...

A control system for a motor vehicle provided with a continuously variable transmission which has a transmission ratio control valve having a spool for controlling the transmission ratio. During the acceleration of the vehicle, the transmission ratio is quickly reduced in a low vehicle speed range, whereby speed of an engine is kept low compared with a high vehicle speed range.

A control system for a motor vehicle provided with a continuously variable transmission. The transmission has a line pressure control valve having ports and a spool for controlling the line pressure of oil supplied to a cylinder of a pulley device to change the transmission ratio. When torque of an engine is rapidly increased, the line pressure is increased so as to prevent a belt of the pulley de...

The higher alcohol yield of a hydroformylation process comprising catalytic hydroformylation of olefinic feedstock and hydrogenation of the crude product is improved by separating light materials and desired alcohols from the hydrogenated product, and then subjecting the remaining heavy materials to catalytic steam cracking at 260 DEG -380 DEG C. The fraction of the cracked product which is rich ...

PURPOSE:To prevent the generation of shifting due to change in oil temp., etc. by correcting a gear change controlling quantity by means of the deviation quantity of an actual gear change speed from a gear change speed, in the captioned device in which said gear change controlling quantity is determined by means of a gear change speed which is determined based on a target change gear ratio and an ...

A control system for a continuously variable transmission (Fig. 2a) for a motor vehicle has a hydraulic circuit (Fig. 2a,2b) supervised by a control unit (70) which adjusts the transmission ratio. To improve starting characteristic when the engine is cold, the transmission ratio changing speed is reduced when the engine is cold so as to prevent the decrease of the vehicle speed at acceleration. Th...

PURPOSE:To prevent the wearing-out of a brake pad by preventing the frequent use of a food brake by releasing overdrive or executing shift-down when the deceleration speed of a vehicle is over a deceleration speed previously set per time. CONSTITUTION:A throttle opening degree detecting device 1 detects the opening degree of a throttle valve, and sends an output when the throttle valve is at an id...

According to this invention the driver's will to accelerate and decelerate is detected by a pressing amount of an accelerator pedal, or the like. Speed ratio of a continuously variable speed transmission and air-fuel ratio of air mixture in a combustion chamber of an engine are controlled according to that will. As a result, a WOT (Wide Open Throttle) period in which the vehicle travels with the o...

PURPOSE:To make a car drivable as a driver's intention even against every driving condition, by making a stepless shift selectable to manual transmission according to the setting position of a torque ratio variable range setting device. CONSTITUTION:A stepless shift 2 makes a torque ratio shiftable in succession. A shift lever 6 of a selecting device changing from a D range of automatic gear shift...

PURPOSE:To make a car drivable as a driver's intention even against every driving condition, by making a stepless shift possible to do manual gear shifting according to the setting position of an input engine speed setting device. CONSTITUTION:A stepless shift 2 makes a torque ratio alterable in succession, while a shift lever 6 selects from a D range of automatic gear shifting or a first position...

PURPOSE:To make a car drivable as a driver's intention even against every driving condition, by making a stepless shift possible to do manual gear shifting according to the setting position of a setting position selecting device. CONSTITUTION:A stepless shift 2 makes a torque ratio alterable in succession. A shift lever 6 selects from a first position (D range) to a second position (M range) and v...

PURPOSE:To reduce substantially fuel cut shock and fuel return shock by providing a second means for increasing the change gear ratio of a continuously variable transmission by a predetermined amount for a predetermined time after fuel return. CONSTITUTION:An input side rotational angle sensor 42 and an output side rotational angle sensor 44 detect respectively the rotational speed Nin and Nout of...