FIELD: electrochemical industry; other industries; the electrodynamic fractionating devices for fragmentation, milling or slurrying of the fragile mineral technological material. ^ SUBSTANCE: the invention is pertaining to the design of the electrodynamic fractionating installation used for fragmentation, grinding or slurrying of the fragile mineral technological material. The design of the electr...

FIELD: electric generators adapted to supply power to downhole apparatuses, namely to pressure compensators included in generator lubrication systems. ^ SUBSTANCE: pressure compensator comprises upper cowl, body, spring-loaded pressure compensator piston having rod connected to end thereof, filling device closed with lid. To prevent pressure compensator piston jamming the piston is centered in pre...

FIELD: mining industry. ^ SUBSTANCE: device contains body with bypass windows and mounting saddle for insert with jet pump. Made in the insert are pass channel, channel for feeding active substance into jet pump nozzle and channel for feeding drained substance into jet pump. Sealing unit is installed in pass channel with axial channel for letting logging cable through it and pass channel, on which...

FIELD: measuring technique. ^ SUBSTANCE: device comprises three axially aligned high-frequency resonators, shortened arresting-separating turns, controlled high-frequency generator and commutator, input amplifiers, and six receiving emitting channels. Each resonator is provided with mutually perpendicular inlets-outlets. ^ EFFECT: enhanced precision.

FIELD: oil extractive industry, possible use for controlling debit of oil wells. ^ SUBSTANCE: system contains three coaxial high frequency resonators, each one of which is provided with two mutually orthogonal inputs-outputs, shorted limiting and limiting-dividing coils, pressure and temperature sensors, computing-controlling block, controllable high frequency generator and commutator, mode contro...

FIELD: payment receiving systems for cell phone communication services. ^ SUBSTANCE: in accordance to the invention, automated system for receiving payments for communication services, containing payment control device, operator-cashier terminal device, external payment system processing center device, billing system device, prepaid-system device, where payment control device includes input-output...

FIELD: mining. ^ SUBSTANCE: invention refers to the mining industry, namely to the drilling equipment, and is designed for research of optimal drilling mode parameters based upon the temperature rise criteria in the contact zone of the drilling tool and the rock. For this purpose, the temperature of the contact zone of the drilling tool and the rock is measured by the pyrometry method by rotating ...

FIELD: mining. ^ SUBSTANCE: invention refers to the mining industry, namely to the drilling equipment, and is designed for research of optimal drilling mode parameters based on the temperature rise criteria in the contact zone of the drilling tool and the rock. The device includes the core holder with a rock sample as the core installed at the spindle of the core drill, the thermal frictional tool...

An industrial shredder (100) is described comprising a fixed supporting structure (1), at least one shaft (2) mounted rotatably in the fixed structure (1) and bearing a plurality of blades (18) provided with cutting teeth (22), a first row of counterblades (10) and a second row of counterblades (16) mounted on the fixed structure (1) on one side and the other with respect to the shaft (2). The cut...

A method for detecting smoke detector alarms comprises analyzing at least two parameters of ambient sound over a period of time to detect a temporal pattern of the alarm. In one embodiment, a series of samples are taken over a period of time sufficiently long to include at least one full period of a repeating sound pattern, and the two parameters are frequency and amplitude of the loudest sound in...

Soft polyurethane foam material (A) (with apparent density of less than 15 kg/m3>, strain hardness of less than 1.5 kPa and isocyanate index of 80-100) comprises aromatic polyisocyanate; polyol mixture containing polyetherpolyol; water; carbon dioxide; optionally cross linker; and conventional foam stabilizer based on silicone, activators, metal catalysts and other auxiliary materials. Soft polyur...

FIELD: machine engineering, possibly manufacture of tools of hard alloy in circular grinding machines. ^ SUBSTANCE: method comprises steps of pulling round rod of hard alloy through clamping chuck of article stock and clamping rod; grinding on freely protruding end portion of round rod at least one seat for rest and then mounting rest. Reliable support of end portion allows grind first end cone on...

FIELD: polymer materials. ^ SUBSTANCE: invention provides granule containing matrix of star-shaped polyamide and fibers, which granule can be obtained when performing following steps. (a) At least one matrix of star-shaped polyamide in molten state is combined with fibers selected from group consisting of continuous fibers and fibers with lengths constituting 80% granule length and preferably at l...

FIELD: mechanical engineering. ^ SUBSTANCE: joining member comprises tubular housing, two double-arm clamped member mounted on the housing, and flexible cross-piece that connects the clamped members in their point of rotation with the outer side of the housing. The free ends of the clamped members are provided with shoulders and hooks that engage the stop member on the outer wall of the second par...

FIELD: invention is related to means for controlling investments with usage of processor-based data exchange means. ^ SUBSTANCE: system contains means for storing cost of combined resource fund and number of stocks of provided asset for each investor from a set of investors and bank processor, connected to network with possible dynamic computation of cost of combined resource fund, and also proces...

Boehmite (alumina monohydrate) when used with a typical epoxy resin advanced with phosphorus makes it possible to improve thermal stability and to increase the ignition time of laminates formed from prepregs made using this fortified resin. Such laminates have exceptionally high thermal stability and showed similar longer times to ignition as compared to corresponding resins in which alumina trihy...