FIELD: processing industry. SUBSTANCE: invention can be used for metering out and packing of different loose materials (granular materials of different application, fine and medium-size abrasive materials, chemical materials, etc). Proposed shaping device of automatic packer contains forming tube secured in support with columns, collar and film pulling mechanism. The latter is self-balancing syste...

FIELD: oil and gas producing industry; applicable for protection of electric centrifugal pump power cable from mechanical damage in round-trip operations of tubing with installation of electric centrifugal pump. SUBSTANCE: protective device has flexible material body and its fasteners located on coupling of tubing hanger. Protective device body is made in the form of sleeve embracing tubing hanger...

FIELD: oil production; designed for regulation of oil flow in well operation, and also for transmission of information on formation parameters and well conditions. SUBSTANCE: oil-flow controller includes downhole instrument and surface control unit. Downhole instrument is component of telemetric system with hydraulic communications channel and has pulsator valve installed above diaphragm for varyi...

FIELD: oil and gas producing industry; applicable also in other industries. SUBSTANCE: plant includes preparatory, measuring and automatic control units lowered into pit with preset lengths and diameters in reinforced concrete or metal-plastic frame with lower end separating partition and with upper hatch provided with sealing cover, measuring unit from tubular measuring vessel, ball spacer from f...

FIELD: mining industry; applicable in determination of profiles of vertical and curved wells. SUBSTANCE: device has measuring unit whose body accommodates light radiator installed for motion and telecamera, television set and system of processing of television image of well contour. Measuring unit is provided with additional light indicator located in telecamera vision field of preset distance fro...

FIELD: wind-power engineering. SUBSTANCE: generator stator has magnetic circuits, windings, field members, and bracing bolts with straps; novelty is that generator is built of two arched wound segments whose external sides are joined together so that ends of arcs are symmetrically facing different sides; transversal magnetic circuits are placed in inner parts of arcs and field members are disposed...

FIELD: educational systems including computer-aided testing for entrants. SUBSTANCE: passing two-step examinations provides for more unbiased competition selection of entrants; during first step entrant himself makes selection and during second step selection is made by entrance examination commission of particular educational institution. EFFECT: enhanced objectivity of rating knowledge level by ...

Disclosed are substituted pyrazolylpyrazoles of general formula I in which R1 is C1-C4-alkyl, optionally substituted by one or more halogen atoms; R2 hydrogen, or a C1-C4-alkyl, C1-C4-alkylthio, C1-C4-alkoxy, each of which is optionally substituted by one or more halogen atoms, or R1 and R2 together form the group -(CH2)n-X-, where X is bound at R2; R3 is hydrogen or halogen, R4 is hydrogen ...

An electric vehicle has left and right speed control levers provided alongside left and right grips provided at the ends of left and right control handles. The electric vehicle also has left and right electric motors for driving left and right driven wheels and left and right brakes for braking the left and right driven wheels. The left brake and the speed of the left electric motor are controlled...

Blank for a gun barrel, consisting of a steel bar, which bar, in one or more hot working steps, has been repeatedly wrung about its own longitudinal axis.

A liner for a shaped charge formed from a mixture of powdered heavy metal and a powdered metal binder. The liner is formed by compression of the mixture into a liner body shape. In the preferred embodiment of the invention, the mixture comprises a range of 90 to 97 percent by weight of powdered heavy metal, and 10 to 3 percent by weight of the powdered metal binder. In a specific embodiment of the...

A method for converting a higher voltage recessed light fixture such as a fixture having an Edison base to a second lower voltage halogen fixture, and a retrofitted recessed light fixture for providing a halogen bulb light source. The light fixture includes an open-end housing, a higher voltage connection base disposed within the housing, and a transformer with a base connector element complimenta...

An apparatus for forming metal spheres includes a droplet generator, a buffering chamber, and a cooling drum. The droplet generator generates a droplet from a molten metal mass. The buffering chamber receives the droplet from the droplet generator, and diminishes internal kinetic energy of the droplet without solidifying the droplet. The cooling drum receives the droplet from the buffering chamber...

A power roller assembly for a toroidal-type CVT, including a pair of races formed with bearing surfaces opposed to each other, a plurality of rolling elements rotatably disposed between the races in contact with the bearing surfaces, and an iron phosphate-based coat formed on at least one of bearing surfaces.

A composite of a substrate having an application of superabsorbent polymer. The composite is made by applying, directly onto the substrate, an application of a polymer that will, upon being subjected to radiation, convert to a superabsorbent polymer. The substrate with applied polymer is subjected to radiation, such as being heated at a sufficient temperature for a sufficient time, to obtain the c...

The present invention provides a resin composition comprising 50 to 99 percent by weight of a completely amorphous polyester resin (A), and 1 to 50 percent by weight of a graft copolymer (B) obtained by graft-polymerizing a methacrylic acid ester and a vinyl aromatic compound with conjugated diene rubber particles and/or a graft copolymer (C) obtained by graft-polymerizing a methacrylic acid ester...

A network synchronization controller and method for effectively preventing a timing loop from happening in a synchronous network. A clock status message controller, disposed in each network element on the network, produces and sends clock status messages which are each composed of clock quality data and synchronization control data. The clock quality data indicates the quality level of a clock sig...

A compound of formula (I) wherein R1 and R2 are as defined, is useful in the treatment of asthma, rheumatoid arthritis, osteoarthritis, bronchitis, chron ic obstructive airways disease, psoriasis, allergic rhinitis, atopic dermatitis , shock, and other inflammatory diseases. Pharmaceutical compositions containi ng the compound and methods of blocking the leukotriene D4 receptor with the compound ...

A shaving system that includes a housing (10), one or more blades (2, 3) mounted on the housing, a cap (6) behind the blades on the housing, and a guard structure (4) in front of the blades on the housing, the guard structu re including flexible skin-engaging protrusions (26) that engage a user's skin in front of the blades and a water leachable shaving aid composite (24) positioned to deliver a s...

"PROCESSO PARA REVESTIMENTO ANTIBIóTICO DE CORPOS COM MICROESPAçOS VAZIOS INTERCONECTADOS, CORPOS ASSIM REVESTIDOS, ASSIM COMO SEU EMPREGO". A invenção refere-se à preparação de um revestimento com antibiótico de corpos com microespaços vazios conectados, a corpos assim revestidos, assim como a seu emprego. Em uma forma de execução preferida, nos espaços vazios de corpos não metálicos com microesp...