According to the present invention there is a provided a method of making a finegrained tungsten carbide - cobalt cemented carbide comprising mixing, milling according to standard practice followed by sintering. By introducing nitrogen at a pressure of more than 0.5 atm into the sintering atmosphere after dewaxing but before pore closure a grain refinement including reduced grain size and less abn...

PROBLEM TO BE SOLVED: To reduce a cost, further without causing enlargement in size of a device, so that a sufficient amount of drive force can be adjusted in good responsiveness, relating to the drive force adjusting device for a vehicle. SOLUTION: In a drive force adjusting device for a vehicle having a differential mechanism 1, two drive shafts 11, 12 inputted with drive force from an engine th...

PROBLEM TO BE SOLVED: To improve turning performance for a vehicle without increasing the cost of a device, increase of its weight and the like, by using a brake device which can separately brake a mechanical limited slip differential and respective right and left driving wheels. SOLUTION: This control device is provided with left and right driving wheels 10L, 10R, a mechanical limited slip differ...

PROBLEM TO BE SOLVED: To provide a device for controlling a regenerative coordinated brake for a vehicle which is cost-effective and which prevents a driver from sensing incompatibility by holding the deceleration of the vehicle to a constant rate around the time of the change of the proportion of a regenerative braking torque command value to a hydraulic one. SOLUTION: A device for controlling a ...

PROBLEM TO BE SOLVED: To provide a control device of a hybrid vehicle capable of reaching a speed ratio (gear ratio) and a drive torque to target values with a good response according to a drive torque change instruction and providing the effect of an improvement in fuel economy. Ž

SOLUTION: In this hybrid vehicle, a plurality of motor generators MG1 and MG2 used as a main torque source and a...

PROBLEM TO BE SOLVED: To provide a lead-acid battery paste filling device which allows a paste to smoothly go around the lower surfaces of grids, enables manufacture of plates where the ribs of the grids are not exposed, is inexpensive, and is excellent in productivity. SOLUTION: In a paste filling device consisting of a belt conveyor 1, a hopper 3 which applies a paste 4 from the top into grids 2...

PROBLEM TO BE SOLVED: To more smoothly control automatic stopping and restarting of an engine through more natural operation of an occupant. SOLUTION: A vehicle 1 is respectively arranged with a shift selector 32 furnished with a shift position sensor 33, a service brake mechanism 36 furnished with a car speed sensor 34, a brake pedal 40, a master cylinder 41 and a parking brake 37 furnished with ...

PROBLEM TO BE SOLVED: To suppress generation of hunting when a delay of actual drive force is increased, by changing a waste time element of a control objective model to a value in accordance with a transient characteristic of a continuously variable transmission when target drive force is attained by speed change ratio of the continuously variable transmission with engine torque in a saturated co...

PROBLEM TO BE SOLVED: To enable a person not to feel engaging shock in an engine restarting. SOLUTION: In relation to a vehicle which is stopped under a specified stopping condition and in which an engine is restarted under a specified restarting condition, in an engine stop control device for a vehicle in which when the engine is automatically stopped a motor-driven pump is driven to continue the...

PROBLEM TO BE SOLVED: To prevent misdiagnosis by detecting faults, while the engine of an automatic stop vehicle is operating, and deciding fault when integrated value of fault detection is above the first setting value, and prohibiting engine stop for the predetermined period, when the integrated value is larger than the second setting value (< the first setting value). SOLUTION: In controlling a...

PROBLEM TO BE SOLVED: To provide a lap laser welding method, in which a built-up zone for forming a minute gap for gas relief is easily formed for a steel plate. SOLUTION: In a laser welding method for lapping two rust preventive steel plates 11 and 12, a coining is applied on a face of the steel plate 11 with a punch 17 having a round-shaped zone 16 on its tip, an annular built-up zone 15 is form...

PROBLEM TO BE SOLVED: To provide a running control device for a hybrid vehicle capable of starting an engine as consumption of a power due to drive of a motor is suppressed when a slip occurs due to drive of a motor in a state that an engine is not yet started, and capable of reliably starting an engine even when a battery remaining amount is low. SOLUTION: The running control device for the hybri...

PROBLEM TO BE SOLVED: To realize smooth switching of driving power sources from a low speed travelling state by electric motors to a travelling state by an engine, in a hybrid vehicle equipped with torque converters in driving power transmission system. SOLUTION: Electric motors are provided for engine-driven wheels and non- engine-driven wheels respectively, and when travelling at low speed, driv...

PROBLEM TO BE SOLVED: To provide a control device for a hybrid vehicle designed to reduce vibrations of an engine bodily sensed during travelling. SOLUTION: An operation cycle of an engine 10 is changed in response to the travelling mode of a hybrid vehicle by operation cycle change controlling means 90. As a result, the number of operation cycles of the engine 10 is made to be preferable in accor...

The invention provides an electrolyte solution, a producing method thereof, and a method for producing high-capacity lead-acid storage battery. The electrolyte is composed of ET-90 stabilizator (1.5-9.6%), nickel sulphate (0.005-0.04%), cobalt sulphate (0.003-0.025%), aluminium sulphate (2-4.8%), sodium sulphate (1.3-3.7%), aluminium phosphate (2-6.3%), lithium iodide (0.090-0.3%), colloidal silic...

PROBLEM TO BE SOLVED: To attain regenerative power generation of high efficiency by providing a power transmission path between an output shaft of an internal combustion engine and a generator-motor, with a transmission means for accelerating/ decelerating the rotating speed of the output shaft of the internal combustion engine to transmit it. SOLUTION: A rotary shaft of a generator-motor 2 is con...

A CT scanner comprising a spatially encoded detector arrangement for providing data values representing variable thickness slices, and a method of efficiently detecting X-rays for variable thickness slices of a CT scanner are disclosed. The spatially encoded detector arrangement includes a plurality of columns of detector elements, with the detector elements of each column being distributed and ar...

PROBLEM TO BE SOLVED: To obtain target cooling effect as time elapses without impairing the features of a steam cooling system and prevent the occurrence of deterioration of cooling efficiency for a long time. SOLUTION: When a blade of a gas turbine 111 and other gas turbine component kit are cooled by steam, a dust removing device 170 which catches dust in steam is provided on more upstream side ...

PROBLEM TO BE SOLVED: To improve overall heat efficiency without impairing the features of a steam cooling system. SOLUTION: A composite power generating plant is provided with a gas turbine system 41 and a steam cycle system 42 having an exhaust heat recovery boiler 123 which recovers exhaust heat of the gas turbine system 41 and a steam turbine 118 which is driven by steam obtained in the exhaus...

A system for measuring downhole parameters whilst drilling a borehole comprises a drill collar 18 having a tubular sidewall which defines a passage 23 therein. A while drilling tool 14 is supported in the passage of the collar, and can be retrieved therefrom. The tool may be provided with a keyway to locate it within the drilling collar. A sensor 21 is located in the collar sidewall, for measureme...