baber/WOPTO huggingface dataset:
Patent RU-2200855-C1 (RU)
Title: Method and device for scavenging free piston engine
Inventor: DEEV O I
IPC: F02B71/04
Filed: 2001-07-05
Granted: 2003-03-20
Abstract: FIELD: mechanical engineering. SUBSTANCE: invention relates to air supply systems of free piston engines. According to said method of scavenging of free piston engine through engine piston valves, direction of scavenging is changed periodically to opposite one. Said device consists of pistons with valves, intake and outlet manifolds and scavenging set with compression and gas ports. Intake and outlet manifolds are combined into common system which is connected with compression and gas ports of scavenging set through gas and scavenging guide which periodically changes direction of scavenging air into opposite one. EFFECT: reduced heat stresses of pistons and improved reliability of engine. 3 cl, 1 dwg
Patent RU-2183640-C1 (RU)
Inventor: ZINKEVICH EH P
IPC: C07J1/00
Filed: 2001-07-11
Granted: 2002-06-20
Abstract: FIELD: chemistry. SUBSTANCE: the innovation refers to the chemistry of artificial nonspecific sexual pheromones being the analogs of 5α-androst-16- en-3-on, that is to 2α-methyl-5α-androst-16-en-3-on of the formula I to be used at cattle-breeding farms including industrial ones as stimulants of reproductive functions in female animals. EFFECT: higher efficiency. 1 cl, 3 ex
Patent RU-2188107-C1 (RU)
Title: Semiautomatic system for diffusion welding of tubular blanks
Inventor: SEMENOV A N
IPC: B23K20/14
Filed: 2001-09-17
Granted: 2002-08-27
Abstract: FIELD: welding technique, namely apparatuses for diffusion welding in vacuum. SUBSTANCE: system includes heater mounted on lateral wall of chamber in such a way that its lower end is placed higher than height of welded blanks arranged in accumulating face chuck. Drive unit with rod is arranged under chamber in such a way that rod enters in vacuum chamber to level until upper end of heater. Two annular stoppers are arranged coaxially relative to rod over heater. Roller type expanding tool is arranged coaxially relative to said stoppers over them; expanding tool has drive whose changeable rollers are arranged inside stationary ring. Annular stoppers are arranged on suspended flange secured to end portions of columns placed at inner side onto lid of chamber. Accumulating face chuck has uniformly arranged along circle changeable seats with central opening for passing powered rod; said seats are designed for placing blanks. Movable sleeve is mounted on traverse bar moving at least between two columns by action of powered rod and compression springs fit onto said columns. Changeable rollers of expanding tool are mounted on end portions of freely rotatable tie rods. Powered rod may have mechanic or hydraulic drive. EFFECT: possibility for making welded tubular joints in wide size range. 6 cl, 4 dwg
Patent RU-2211231-C1 (RU)
Inventor: KRAVTSOV V V
IPC: C09D163/00
Filed: 2002-04-08
Granted: 2003-08-27
Abstract: FIELD: anticorrosive agents. SUBSTANCE: invention relates to epoxy composition. Epoxy composition comprising epoxy resin ED20, resin oxyline-5 or oxyline-6, aminophenolic hardening agent AF-2, aerosil, polyethylenepolyamine and toluene contains finely ground quartz glass powder additionally. The definite ratio of components provides longevity of coating. Invention can be used for protection of machine articles and mechanisms against corrosion working in contact with corrosion media in machine engineering and for protection of petroleum-extracting equipment, containers, cisterns and reservoirs. EFFECT: improved and valuable properties of composition. 3 tbl, 2 ex
Patent RU-2207416-C1 (RU)
Inventor: POPOVA L P
IPC: D21C5/00
Filed: 2002-05-18
Granted: 2003-06-27
Abstract: FIELD: paper-and-pulp industry. SUBSTANCE: crude cotton cellulose is subjected to hoeing, cleared, and moistened with hot sodium hydroxide solution at 60-80 C. Digestion is carried out in sodium hydroxide solution with sulfanol additive (emulsifier) at modulus 1:13 to 1:8 and temperature 125-160 C during 3-6 h. Cellulose is then bleached for 1.0-2.5 h in sodium hypochlorite at concentration of active chlorine in bleaching solution 0.7-2.0 g/l at temperature 20-40 C. Bleached pulp undergoes sulfuric acid souring involving rinsing with softened water (water hardness no higher than 0.1 equ/l with weight proportion of iron no higher than 0.03 mg/l) followed by pressing, and drying. The latter operation is conducted in two-stage aerofountain drier consisting of several sections with first-section air temperature 160-175 C and 2nd, 3rd, and 4th-section temperatures, 90-100, and 75-80 C, respectively. Drying lowers moisture to 2-10%. Hydrodynamic pulp bleaching process should satisfy following conditions: 19500 </= Re </= 2060 at ratios d m /D ~0.46, H/D ~1.8 and D/d~2.1, where Re is Reynolds number, d m  agitator diameter, D bleaching tub diameter, and H height of pulp layer in tub. Product can be used for production of nitrocellulose, acetylcellulose, carboxymethylcellulose, microcrystalline cellulose, copper-ammonia fiber, cardboard, and in gun powder production. EFFECT: improved quality of product utilizing environmentally safe process. 1 dwg, 2 tbl
Patent RU-2206390-C1 (RU)
Title: Element of packing for mass-exchange apparatus
Inventor: VLADIMIROV A I
IPC: B01J19/30
Filed: 2002-07-12
Granted: 2003-06-20
Abstract: FIELD: oil-refining, petrochemical, gas, chemical, food-processing and other industries. SUBSTANCE: proposed element of packing includes ring with rectangular notches on its lateral surface made in staggered order and bent inside cylindrical ring in form of tabs; each tab consists of profiled plates interconnected in zigzag pattern. Said plates have varying width reducing towards free end of tab; plates of each pair of tabs in adjacent parallel rows are directed to opposite sides. Proposed element makes it possible to increase contact surface of interacting phases. EFFECT: enhanced efficiency of mass exchange due to intensification of flow turbulization; increased degree of dispersivity. 3 dwg
Patent RU-2219587-C1 (RU)
Title: Simulator for training of pilots of shock helicopters to firing by controlled armament
Inventor: BABICHEV V I
IPC: G09B9/08
Filed: 2002-07-22
Granted: 2003-12-20
Abstract: FIELD: training of pilots to piloting and combat use of combat aviation, applicable for training and maintaining of professional skill of pilots of shock helicopters in firing by controlled armament. SUBSTANCE: the simulating complex of the simulator has a model of the device of armament laying, model of automatic target tracking unit, model of calculation of the guided missile flight trajectory and a model of simulation of missile smoke plume, the first input of the model of the device of armament laying via matching device is to the output of the armament controls, and the second input is connected to the output of the model of automatic target tracking unit, whose input is connected to the output of the simulator of the indicator of the armament laying device, the first input of the model of the armament laying device is connected to the third input of the system of monitoring and control of the training process and to the third inputs of the simulators of the piloting indicators and the laying device, the second output is connected to the input of the model of calculation of the guided missile flight trajectory, whose output is connected to the input of the model of simulation of the smoke plume, whose output is connected to the second input of the system of monitoring and control, and to the fourth inputs of the simulators of the piloting indicators and the laying device, the pilot's work station and the helicopter and armament controls, simulating complex, simulators of the piloting indicators and laying device, and the system of monitoring and control of the training process are installed in a single casing, with the simulators of the piloting indicators and the laying device positioned similarly to the position of the real indicators on the helicopter relative to the pilot's work station. EFFECT: enhanced quality and efficiency of training of pilots of shock helicopters. 1 dwg
Patent RU-2224678-C1 (RU)
Title: Vehicle
Inventor: VALIKOV P I
IPC: B62D11/18
Filed: 2002-10-14
Granted: 2004-02-27
Abstract: FIELD: mechanical engineering. SUBSTANCE: invention relates to self-propelled wheeled and crawler vehicles employing transmission with hydrostatic steering mechanism drive. Proposed vehicles contains transmission including two final differential summing up rows and hydraulic hydrostatic steering mechanism drive. Said hydrostatic drive includes hydraulic coupled adjustable hydraulic pump and hydraulic motor, drive being coupled with driving wheels connected with track tensioner. Traction motor is mechanically coupled with differential rows to provide transmission of first power flow through first inputs of final differential summing up rows to driving wheels and transmission of second power flow to driving wheels through hydrostatic drive of steering mechanism and second inputs of final differential summing up rows. First power flow provides straight-ahead movement, and second power flow, turning of vehicle. Hydraulic motor is made controllable, with initial zero working volume, and its control member is coupled with mechanism setting zero working volume of hydraulic motor when traction motor is out of operation. Track tensioner is coupled with mechanism setting zero working volume of hydraulic motor by means of negative feedback. EFFECT: improved operating capabilities of vehicle and enlarged its functional capabilities. 2 cl, 1 dwg
Patent RU-2230444-C1 (RU)
Title: Cultivator
Inventor: ELIZAROV V S
IPC: A01B33/02
Filed: 2002-12-23
Granted: 2004-06-20
Abstract: FIELD: agricultural engineering, in particular, soil tillage on home's or farm ground. 
     SUBSTANCE: cultivator has drive shaft comprising cone gear engaged with cone gears of concentrically arranged horizontal shafts. Internal shaft is extending through two hermetically sealed cavities attached to frame poles and external shaft is extending from first cavity into second cavity. Cone engagement zone is arranged in one of cavities. Wheels and mellowing depth change-over mechanism are attached to frame through bracket. Said change-over mechanism is engaged with spring-loaded rod arranged in handle casing. Owing to improved maneuverability of cultivator equipped with electric engine, operator can adjust mellowing depth for tilling soil around brushes and trees, as well as in greenhouses without contaminating of environment. 
     EFFECT: increased maneuverability of cultivator, provision for required mellowing cultivation depth and reduced power consumption. 
     4 cl, 4 dwg
Patent RU-2237034-C1 (RU)
Inventor: TATARINOV A N
IPC: C04B28/14
Filed: 2003-03-06
Granted: 2004-09-27
Abstract: FIELD: manufacture of building materials. 
     SUBSTANCE: dry plaster mix suitable for finishing operations contains, wt %: gypsum 96.0-97.3, perlite 1.7-2.35, lime 0.85-1.4, retardant 0.045-0.08, cellulose ether 0.012-0.145, and re-dispersed latex powder 0.014-0.02. 
     EFFECT: improved adhesive characteristics and prolonged cementation time. 
     2 tbl
Patent RU-2238153-C1 (RU)
Inventor: BESSMEL TSEV V P
IPC: B05C3/18
Filed: 2003-03-14
Granted: 2004-10-20
Abstract: FIELD: apparatus for applying liquids or other fluent materials to surfaces. 
     SUBSTANCE: device has mechanism for horizontal doctoring unit movement, mechanism for vertical doctoring unit movement, doctoring unit body and two supports with spherical bases inserted in doctoring unit body. When doctoring unit blade is moved over substrate spring carriage resiliently presses supports to substrate by their spherical bases so that no gap is created in-between. Thickness of applied material layer is defined by setting gap between doctoring unit blade and tops of spherical support bases. Setting of above gap is carried out in gap calibration mechanism included in device. Gap calibration mechanism has plate for receiving doctoring unit supports, movable plate for supporting doctoring unit blade, zero position sensor and stepping motor. Movable support plate is connected to engine by wedge-like transmission converting rotary movement into translation movement. 
     EFFECT: provision of constant gap width and possibility of substrate irregularities detection due to contact between doctoring unit blade supports and substrate, elimination of errors appeared as a result of non-parallelism between doctoring unit blade and substrate and as a result of irregularities in substrate surface and in surface of guiding means along which carriage for doctoring unit securing is moved, possibility to obtain gap width deviation of not more than 1 μm. 
     2 cl, 4 dwg
Patent RU-2237041-C1 (RU)
Inventor: SOBKALOV P F
IPC: C04B38/10
Filed: 2003-04-17
Granted: 2004-09-27
Abstract: FIELD: manufacture of building materials. 
     SUBSTANCE: raw mix for manufacturing cellular-concrete products, wall blocks, wall panels, and complex roof slabs contains, wt %: cement 35.0-39.0, fly ashes with specific surface area 2800-5000 cm 2 /g - 35.0-39.0, extraction-colophony air-entraining resin 0.11-0.17 and carboxymethylcellulose 0.05-0.07 (both foaming agents), superplasticizer 0.4-1.4, and water - the balance. 
     EFFECT: increased strength of foamed concrete, expanded resource of raw materials, and reduced power consumption due to use of fly ashes from heat-and power stations. 
     1 tbl
Patent RU-2229743-C1 (RU)
Inventor: KIPRIJANOV S N
IPC: G06Q30/00
Filed: 2003-05-14
Granted: 2004-05-27
Abstract: FIELD: auction attendance, associated computer system, and computer-read data medium used in this system. SUBSTANCE: method includes registration of parties. Sequence of responses during auction attendance and parameters of actions vary depending on results of actions made earlier in the course of auction. Results also depend on availability or lack of messages from workstations of parties concerning agreement with established price of thing or proposal of raising this price. EFFECT: enhanced flexibility of auction attendance. 21 cl, 2 dwg
Patent RU-2224684-C1 (RU)
Title: Method of breaking ice cover
Inventor: KOZIN V M
IPC: B63B35/08
Filed: 2003-05-26
Granted: 2004-02-27
Abstract: FIELD: shipbuilding; submarine vessels running under ice conditions and breaking ice cover by resonance method at surfacing in solid ice. SUBSTANCE: proposed method includes excitation of flexural gravitational waves when ship is running under ice at resonance speed. During motion of ship, additives in form of fibers of solid agents are introduced into boundary layer from shipTs hull through upper surface. EFFECT: enhanced efficiency of breaking ice cover. 1 dwg
Patent RU-2237112-C1 (RU)
Inventor: NOCHEVKIN E A
IPC: C25C3/08
Filed: 2003-07-25
Granted: 2004-09-27
Abstract: FIELD: non-ferrous metallurgy, in particular, production of aluminum on various kinds of electrolyzers. 
     SUBSTANCE: side liner has plates and blocks made from non-metallic refractory compounds of increased strength and connected with one another by means of end faces made in the form of inverse-symmetric protrusions and slots and gluing or cementing solution. Plates and blocks are manufactured from silicon carbide. Coal lumps used as blocks are made in the form of 5 mm thick and 650 mm long strips bent in the middle part around longitudinal axis at an angle of 90 deg, with side faces of strip extending in strictly vertical plane. End faces are made in the form of reverse-symmetric protrusions and slots having trapezium-shaped section with 22 mm and 24 mm sized bases of 88 mm height, said faces extending in vertical plane. 
     EFFECT: increased service life and enhanced reliability in operation, reduced consumption of lining material, increased useful volume of electrolyzer and increased yield of aluminum. 
     4 dwg
Patent RU-2245503-C1 (RU)
Title: Transport-launching module
Inventor: POTAPOV V F
IPC: F41F3/04
Filed: 2003-11-03
Granted: 2005-01-27
Abstract: FIELD: rocketry, in particular, launchers of surface ships and submarines. 
     SUBSTANCE: the transport-launching module has a sealed casing in the form of a cup with the front and rear covers with a seal. A rocket with a nose cone is installed inside the cup. The rocket nose cone partially projects from the cup, and in the assembled state of the transport-launching module serves at the same time as the front cover of the transport-launching module cover. The transport-launching module is provided with a changeable ring component, whose one end face is conjugate to the respective end face of the cup. Longitudinally positioned threaded members (for example, bolts) are passed through the changeable ring component, with the aid of them the changeable ring component is connected to the cup. BY means of longitudinally positioned break-off components made in the form, for example, of explosive bolts, as well as of radially positioned break-off components made, for example, in the form of explosive bolts the changeable ring component is fastened to the rocket nose cone. Inside the transport-launching module provision is made for an obturator, which is positioned in the bottom (tail) section of the rocket. The cup is made with an inner smooth cylindrical surface. Detachable means for creation of a behind-rocket volume of the preset value are installed on the rear cover with the id of brackets. 
     EFFECT: reduced thermoerrosion effect on the casing of the transport-launching module at a launch of the rocket, which makes it re-usable. 
     7 cl, 6 dwg
Patent RU-2253716-C1 (RU)
Title: Method for foundation reinforcement
Inventor: PROKHOROV N I
IPC: E02D27/08
Filed: 2003-12-02
Granted: 2005-06-10
Abstract: FIELD: building, particularly for reinforcing foundations built on earth base in the case of foundation load increase or in the case of natural structure of earth base damage. 
     SUBSTANCE: method involves digging out pit and arranging puncturing mechanisms in the pit; compacting ground under the foundation by moving reinforcement members under foundation bottom along the full length thereof; forming compacted ground area by releasing and radial compacting thereof; puncturing ground under foundation along the full foundation length with metal pipe, wherein cylindrical concrete blocks having through channel formed along axis thereof are used as reinforcement members; putting concrete blocks on free metal pipe end and compacting ground under foundation by impressing concrete blocks into ground of the base. Distance between concrete block and foundation bottom is determined from a given relation. 
     EFFECT: increased load-bearing capacity. 
     2 dwg
Patent RU-2243285-C1 (RU)
Inventor: BYKOVSKIJ N G
IPC: C22C38/46
Filed: 2004-01-26
Granted: 2004-12-27
Abstract: FIELD: metallurgy, in particular constructive steels. 
     SUBSTANCE: invention relates to constructive steels for manufacturing of high-safe shaft-lines for modern ships and arctic vessels. Claimed steel contains (mass %) carbon 0.32-0.38; silicium 0.2-0.37; manganese 0.25-0.45; chromium 1.2-1.5; nickel 1.2-1.5; copper 0.05-0.2; molybdenum 0.32-0.4; vanadium 0.1-0.3; aluminium 0.005-0.01; cerium 0.005-0.05; nitrogen 0.005-0.05; sulfur 0.005-0.020; and balance: iron, provided that total content of carbon and nitrogen is at most 0.4; total content of nickel and copper is at most 1.6; and total content of sulfur and phosphorus is at most 0.04. 
     EFFECT: ship's shaft-lines of improved maintainability and increased total operating reserve. 
     2 tbl
Patent RU-2251843-C1 (RU)
Title: Method for desiccation of cereal and oil crops
Inventor: MELIKHOV V V
IPC: A01N33/04
Filed: 2004-03-16
Granted: 2005-05-20
Abstract: FIELD: agriculture. 
     SUBSTANCE: method involves treating cereal and oil crops with aqueous solution of aminoacetic acid - glycine of 0.7-1.0% concentration at the rate of 150-200 l/hectare. Cereal crops are treated at milk stage and oil crops are treated 38-40 days after mass flowering of crops. 
     EFFECT: ecologically safe and highly efficient method for desiccation of cereal and oil crops. 
     2 tbl
Patent RU-2256529-C1 (RU)
Inventor: SHVETSOV V I
IPC: B22C9/30
Filed: 2004-04-26
Granted: 2005-07-20
Abstract: FIELD: manufacture of chains, mainly with oval links. 
     SUBSTANCE: cavities of chain links are arranged in casting mold by four rows. Two rows are arranged mutually in parallel in horizontal plane; two other rows are arranged mutually in parallel in vertical plane. Spacing between cavities is equal to length of oval cavity along its inner contour reduced by sum of width of said contour and width of cavity. Each successive cavity is arranged normally relative to previous one; center of diameter along width of cavity coincided with dimension of thickness of link is arranged in next cavity in center of diameter of oval. 
     EFFECT: enlarged manufacturing possibilities of chain production process. 
     2 dwg
Patent RU-2264715-C1 (RU)
Inventor: BRAZHNAJA I EH
IPC: A23L17/00
Filed: 2004-05-06
Granted: 2005-11-27
Abstract: FIELD: food processing industry, fish industry, culinary. 
     SUBSTANCE: defrosted and peeled calamari is blanched in hot, but non-boiling water at 98±2°C in ratio of calamari mass and water of 1:3. Such short-time treatment makes it possible to preserve calamari valuable properties, because calamari proteins are very liable to high temperature. 
     EFFECT: product with preserved biochemical composition, improved consistence and taste. 
     1 ex
Patent RU-2265954-C1 (RU)
Inventor: DZHANDZHGAVA G I
IPC: H03M1/64
Filed: 2004-05-13
Granted: 2005-12-10
Abstract: FIELD: computers, can be implemented in automatics and information-measurement equipment engineering. 
     SUBSTANCE: device has sine/cosine transformer indicators, commutator, integrators, threshold elements, element 4AND-NOT, block for launching and stopping integrators, functional transformer of relation of voltages to code, operative memorizing device, permanent memorizing device, computing device, threshold device, counter. 
     EFFECT: higher autonomy, control depth and trustworthiness of outputted information. 
     1 dwg
Patent RU-2269678-C1 (RU)
Title: Axial-flow compressor for gas-turbine engine
Inventor: BELOUSOV VIKTOR ALEKSEEVICH
IPC: F04D29/32
Filed: 2004-06-30
Granted: 2006-02-10
Abstract: FIELD: engine manufacture; axial-flow compressors for gas-turbine engines. 
     SUBSTANCE: proposed axial-flow compressor has stator with return-circuit rig vanes as well as drum-and-disk rotor incorporating separate impellers joined together in tandem by means of tight-fitting bolts. Each impeller has blades built of shaped feather and root, disks with rims, sheet, hub, annular fillet with flange, and fillet holes to receive tight-fitting bolts. Each impeller is provided with two disks disposed in tandem along flow in longitudinal sectional area of drum. Both disks are joined together by means of annular fillet of first disk and seating ring with holes in second-disk sheet; annular fillet of second disk forms channel drum shell under return-circuit rig vanes to function as spacer between second and first disks of each next compressor stage. Moving-blade root is made in the form of shelf with stiffening ribs on its inner side; assembled shelves form bushing-type channel drum shells of impellers and have wedge-shaped annular projections on front and rear ends along flow. Rims of impeller disks have mating wedge-shaped annular depressions which form annular dovetailed slot upon installation and tightening of tight-fitting bolts in first and second disks of each impeller for contacting wedge-shaped annular projections at ends of moving-blade shelves. 
     EFFECT: reduced mass of compressor rotor. 
     1 cl, 3 dwg