The present invention is related to an abrasive tool comprising a core and abrasive segments attached to said core wherein said abrasive segments comprise a bond material and superabrasive grains and wherein said segments comprise at least two circumferentially spaced regions and wherein said superabrasive grains are alternately dispersed in said regions in high and low concentrations of superabra...

The present invention is related to an abrasive tool comprising a core and abrasive segments attached to said core wherein said abrasive segments comprise a bond material and superabrasive grains and wherein said segments comprise at least two circumferentially spaced regions and wherein said superabrasive grains are alternately dispersed in said regions in high and low concentrations of superabra...

PURPOSE: To realize a high load running without making an electric motor large size, and without requiring a high capacity of inverter element. CONSTITUTION: An internal combustion engine 1; an electric machine device the rotation from the engine 11 is input; an electric motor 25 driven by feeding a current; a differential gear device consisting of at least three gear elements, in which the first ...

PURPOSE: To reduce machining man-hours and assembling man-hours so as to realize a low cost, by using a common a through hole to fit a sleeve member in order to connect the electric equipment means inside an automatic transmission, and a control means on the outside, and a through hole to fit a shaft member to operate a manual valve inside the automatic transmission. CONSTITUTION: A sleeve member ...

PURPOSE: To carry out the change of a set intervehicle distance without generating a sense of incompatibility, by composing a system to change the set intervehicle distance at a constant ratio when the intervehicle distance is changed, in an autocruise control method to operate a vehicle at a constant speed to make at a preset intervehicle distance. CONSTITUTION: In an autocruise condition, a cont...

PURPOSE: To reduce a set car speed surely regardless of any specific condition, by using the operating control of an auxiliary brake concurrently, when the set car speed is reduced at a specific ratio, in an autocruise running condition accompanying the operation control of the auxiliary brake. CONSTITUTION: When a set switch 3 is operated in the running condition of a vehicle, the autocruise cont...

PURPOSE: To secure the driving force in the reverse movement time constantly and sufficiently, by deciding the propriety of the reopening of combustion at the cut-off cylinders, and prohibiting the setting to the high speed stage of an auxiliary change gear when the reverse stage is set in an automatic transmission, when it is decided that the reopening of combustion in the cut-off cylinder is imp...

PURPOSE: To make a clutch shaft into speed-up rotation in order to compactify a hydraulic clutch structure, and simultaneously forming it into a geared structure to secure a difference of elevation lying between both input and output shafts as well as to promote a reduction in cost so as to make it composable with one housing irrespective of divergence in the difference of elevation between these ...

PURPOSE: To efficiently and continuously perform degassing bag making for a fine powder. CONSTITUTION: A predetermined amt. of a fine powder 23 is charged in a cylindrical body 21 composed of a synthetic resin film and sealed at one end thereof and passed through degassing porous filter elements 22a, 22b arranged in a fixed state to be degassed. Thereafter, the cylindrical body 21 is moved downwar...

PURPOSE: To perform the following control of at least the first motor for transferring a film, second motor for feeding in an article to be packed and third motor for rotationally driving a cutting sealer provided to a packing machine without exerting effect on the loads of the motors. CONSTITUTION: About 120 fine pulses are generated per one sec by the clock 28 in a microcomputer and three motors...

PURPOSE: To easily set the content of a control device according to the specification information transmitted from the other control device between at least two control devices by utilizing a communication means. CONSTITUTION: Specification information is transmitted to the specification information analyzing means 22 of an automatic transmission 20 from the specification information transmitting ...

PURPOSE: To provide a rotation buffering resistance device which has a small size and light weight, and shows satisfactory matching in respect to an anti-lock braking device when adapted to a differential gear device. CONSTITUTION: An internal gear 24 having an axial line L as a center is formed on an inner peripheral surface of a casing 2. A rotor 3 having the axial line L as a center is arranged...

PURPOSE: To improve assemblying precision of a gear unit as well as to reduce the number of part items and downsize the gear unit by arranging a stationary internal gear, which also serves as a bottom board, in the midway of a rotation transmitting passage for transmitting the speed of the gear unit from a motor rotation speed to an output shaft upon reducing the speed. CONSTITUTION: A gear unit A...

PURPOSE: To prevent seizure of a pinion gear addendum and derive differential limitting strength created by stabilized frictional resistance. CONSTITUTION: A differential limitting-device is provided with a differential case 3, a pair of helical side gears 15, 17 supported rotatably inside the case 3, a helical pinion gear 41 engaging with one of the side gears 17, a helical pinion gear 43 engagin...

PURPOSE: To prevent unilateral contact of a pinion gear and thereby improve durability of a device by forming the gear addendum of at least one of a pair of pinion gears engaging with a pair of side gears in a protruded type curved configuration. CONSTITUTION: When a vehicle is making a forward proceed, a differential case 3 rotates from a short pinion gear 43 towards a long pinion gear 41 which m...

PURPOSE: To device high differential limitting of a differential limitting-device contrive to miniaturize a disposing space of disc springs and give a large pre- load to a multiplate friction clutch in a differential limiting device pre-load is applied to the multiplate friction clutch in the pressurized direction by two disc plates and unless more than a certain difference in running resistant ac...

PURPOSE: To judge the completion of speed change without using a turbine sensor and facilitate a structure by calculating the ratio of an engine rotating speed to the output shaft rotating speed of an automatic transmission and judging that the speed change has been completed at the time when the ratio becomes a completion judgment ratio value. CONSTITUTION: A control device for automatic transmis...

PURPOSE: To provide a solar water-heater which collects heat from all of sunshine from the sun rise to the sunset. CONSTITUTION: Sunlight is gathered from a cone-shaped transparent external wall plate 1 from any direction in 360 deg. to collect heat with a heat correction paint 3 applied on the surface of a stainless heat storage cell plate 4. The heat thus collected is transferred to the stainles...

PURPOSE: To provide a lead-acid battery having good life performance. CONSTITUTION: Lignin coated with an acid-resistant material, coated lignin formed with lignin-elutable hole sections on the coated face, or coated lignin and uncoated lignin are added to a negative electrode plate. Lignin itself rarely receives the effect of oxidation reduction, the eluting speed can be made very small even at a...

PURPOSE: To prevent the deterioration of a positive electrode active material and improve the life performance by using the positive electrode active material added with a selenium compound and/or an electrolyte added with phosphoric acid. CONSTITUTION: A selenium compound 0.001-0.1% is added to a positive electrode paste to obtain a positive electrode plate containing a positive electrode active ...