A method and apparatus for reducing a metal compound particularly iron oxide, by means of a reducing agent comprising CO or H2 or a mixture of these two gases, of which the average temperature is between 850 DEG C. and 1000 DEG C. and which has been obtained at this temperature by means of a plasma arc heater. The CO and H2 mixture is preferably obtained by heating a mixture comprising a selecti...

PURPOSE:To simplify structure and to reduce oil agitation resistance, by a method wherein two chambers are formed in series so that the one end surface of a gear chamber is totally open to an output distribution chamber, and an oil guide is located above a chain driving device in an output distribution chamber. CONSTITUTION:A transfer case 1 is provided at its interior with a gear chamber 3 contai...

A device for joining together two ends of a yarn in order to recreate the initial structure of the yarn comprises two heads provided with radial slots and fixed to rods which are rotatable in order to take up the yarn by means of the slots and to wind the yarn about the rods. The free ends of the yarns are untwisted and subjected to electrostatic fields created between the heads and an annular ele...

A system for controlling an electro-magnetic powder clutch of an internal combustion engine for a vehicle comprises a transmission, a 2nd switch adapted to be closed in the 2nd speed stage of the transmission, a thermo switch adapted to be closed at a predetermined temperature of the clutch, and a control circuit. The control circuit is so arranged that the current to the magnetizing coil of the c...

PURPOSE:To prevent abnormal rise of the number of revolution of an engine by installing a release prohibitting circuit which prohibits release of overdive when the car speed becomes high and continues said prohibition unitil the car-speed lowers to a prescribed value. CONSTITUTION:The differential voltage between a set-speed voltage 3 and a car- speed voltage 1 is output from a subtraction circuit...

A steplessly variable transmission of a belt-pulley type of which speed ratio is controlled in accordance with the vehicle speed and the engine load. A control system is provided for controlling the speed ratio, when the engine throttle valve is fully closed for deceleration, in accordance with the vehicle speed so that the speed ratio is decreased in response to a decrease in the vehicle speed. T...

A control system for controlling a steplessly variable power transmission device for a motor vehicle. The speed ratio of the transmission mechanism is based upon vehicle operating conditions, and particularly upon the vehicle speed and the engine load, either in terms of throttle setting or engine load pressure. Manual selector means are provided to select one of two control mode patterns for eith...

Polycrystalline alumina tubing is scribed by means of laser pulses which are reiteratively focused on the same spots at spaced time intervals. By drilling small holes, the laser need be on for a very short period of time only, and only the surface layers are vaporized, thereby minimizing heat shock. The holes are deepened by repeating the series of pulses and directing them sequentially into the s...

PURPOSE:To cut an object to be cut having a polymerizable org. adhesive layer without hindrance by cutting said object by laser light and at the same time by polymerizing the exposed adhesive agent on the cut face and making the same non-adhesive. CONSTITUTION:The adhesive agent exposed on the cut surface of an object to be cut (for example, adhesive sheet) having a adhesive layer consisting mainl...

PURPOSE:To prevent the occurrence of transmission shock, by a method wherein the starting of transmission motion is discriminated through detection of a change in the number of revolutions of an engine by means of a real time. CONSTITUTION:In a lockup type automatic transmission gear provided with a lockup interruption control means (f), a means (l) is provided for discriminating that transmission...

The invention concerns a method and a device for threading the end of a web (P) from a jumbo roll (30) or equivalent through the winder along a path determined by the members guiding the web (P). In the method the end of the web (P) is passed from the jumbo roll (30) through the winder as of full width by grasping the end of the web (P) placed on the jumbo roll by means of a fetching and grasping ...

A control device for a continuously variable transmission performs a feedback control wherein an integral control gain and a proportional control gain of the feedback control are varied depending upon an operating position assumed by a shift actuator.

The invention relates to esters of 3,5-diacetamido-2,4,6-triiodobenzoic acid derivatives, to a process for their preparation and use both as intermediates for the preparation of other X-ray contrast media (see Patent Application P 3407473.2-42) and as X-ray contrast media themselves.