A continuous, completely jacketed countercurrent centrifugal extractor of the type utilized to mix and separate two liquids that have different specific gravities and enter through separate inlets. The extractor has at least one overflow weir in a mixing zone between the inlet for the specifically lighter and the inlet for the specifically heavier liquid phase and a division of the mixing zone int...

PURPOSE:To obtain a driving gear having simple structure and easy to assemble/dismantle by fixing a drive motor to a reduction gear through supporting case while assembling an electromagnetic brake in said case. CONSTITUTION:A supporting case 2 is provided between a reduction gear 1 and a drive motor 3. The fixing face of said case 2 has the fitting structure of the diameters phiD1, phiD2. Then th...

PURPOSE:To detect earlier a fault of an element by providing a circuit where a timer is started at the same time when an processor element is started and the timer overflows when no signal of operation end is transmitted from all processor elements in a system having the plural sets of processor elements and a control processor controlling them. CONSTITUTION:When an instruction starting the plural...

A port assembly for delivering fluid through a shell of a rotary kiln is disclosed with structures for screening and excluding particulate matter from the port during operation of the kiln. The port assembly comprises a cylindrical nozzle defining a nozzle orifice to deliver fluid to the interior of a kiln. A base member secured to one side of the nozzle is provided with a platform extending partl...

PURPOSE:To improve feeling characteristic by disposing a small air hole connected to the outside on an outer annular cylinder portion. CONSTITUTION:The above hydraulic actuator comprises a two-layer cylinder 2 having an inner annular cylinder portion 2A and an outer annular cylinder portion 2B disposed side by side on the outer periphery of the cylinder portion 2A, and a piston 3 having an inner a...

Into a material based on a caoutchouc-type or caoutchouc-containing mixture for producing hard rubber, there is incorporated a pre-mix containing high-strength organic fibers and a liquid hardenable plastic material. The high-strength and temperature resistant material thus obtained is particularly suitable for the attenuation of noise in combustion engines when heavy-weight fillers are also added...

PURPOSE:To enable to produce potential energy of produced gas which is suitable to be burned in high temperature, and potential energy of coke, by dividing potential energy of solid fuel into two by partitioning off a combustion furnace into the upper and the lower parts by providing paddles in the center of a furnace. CONSTITUTION:A solid fuel feed pipe 12 for a fuel such as coal is provided in t...

PURPOSE:To prevent ordering errors by installing a means to judge whether or not the present ordering is suitable, based upon the contents of a ordering history memory area when an order is executed. CONSTITUTION:A registered number of an orderer is inputted from a terminal, and when the number can be received at a center, a merchandise code, the number of orders placed, an amount, etc., are input...

A closing device for a door wing which is longitudinally guided on a horizontal support rail is described. Parallel to the support rail a movable roller carriage is provided which has two deflection rollers. Two pull cables are connected by their one end to the door wing and by their other ends are attached in a fixed manner. They are guided about one of the deflection rollers in each case. A spri...

PURPOSE:To improve the corrosion resistance of Al by chemically forming an oxide film on the surface of the Al and treating the film with a coupling agent. CONSTITUTION:The surface of Al or an Al alloy is pretreated, and an oxide film is chemically formed on th surface. The oxide film is then treated with a coupling agent such as a silane, titanate or aluminate coupling agent to give a water repel...