baber/WOPTO huggingface dataset:
Patent DE-19802636-C1 (DE)
Title: Internal combustion engine for motor vehicle
Inventor: BOLL WOLF DR ING
IPC: F02B77/11
Filed: 1998-01-24
Granted: 1999-07-15
Abstract: The engine has a piston (1) with a crown surface (13) having a three dimensional structuring. The structuring (2,9,11,12) is formed to increase the thickness of a boundary layer flow of combustion gases. The structuring can have a saw tooth shape or scoop shape.
Patent DE-19806091-C1 (DE)
Title: Diaphragm driven fluid valve
Inventor: STALL ANDREAS
IPC: F16D1/02
Filed: 1998-02-14
Granted: 1999-09-16
Abstract: The valve has a shaft (3) with a releasable coupling (5) to the diaphragm actuator (2). The coupling has a tube (7) fitting over the valve shaft and inside the actuator shaft (4). The side of the tube facing the actuator spindle has cylinder rollers (12) lying in the use position of the spindle and are positioned across the axis of the spindle.
Patent DE-19827298-C1 (DE)
Title: Ceramic cooking hob with inductive cooking zone for fitting into kitchen worktop
Inventor: KOFIDIS GEORGIOS
IPC: H05B3/74
Filed: 1998-06-19
Granted: 1999-09-16
Abstract: The ceramic cooking hob (2) has a cooking field (3) with an inductive cooking zone (4) enclosed by a concentric radiation heating cooking zone (6), both cooking zones may be switched on and off in unison or independently. The radiation cooking zone may be provided with a cooking pan sensor (10).
Patent DE-19938340-C1 (DE)
Title: Production of semiconductor wafer comprises simultaneously polishing the front and rear sides of wafer between rotating polishing plates using an alkaline polishing sol and then an alcohol, cleaning, drying and applying an epitaxial layer
Inventor: MESMANN KLAUS
IPC: C30B29/06
Filed: 1999-08-13
Granted: 2001-02-15
Abstract: Production of semiconductor wafer comprises simultaneously polishing the front and rear sides of wafer between rotating polishing plates using an alkaline polishing sol and then an alcohol, cleaning, drying and applying an epitaxial layer. Production of a semiconductor wafer comprises: simultaneously polishing the front and rear sides of the wafer between rotating polishing plates with the introduction of an alkaline polishing sol, where the wafer lies in a recess of the rotor plate, whose thickness is around 2-20  mu m less than the thickness of the finished polished wafer; simultaneously treating the front and rear sides of the wafer between rotating polishing plates with the introduction of a liquid containing 2-6 C alcohols; cleaning and drying the wafer; and depositing an epitaxial layer onto the front and rear sides using the above three steps.
Patent MD-4523-C1 (MD)
Title: Cu2+ - selective electrode membrane
Inventor: DÎRU MARIANA
IPC: G01N27/333
Filed: 2017-04-07
Abstract: The invention relates to potentiometry, in particular to a Cu2+ -selective electrode membrane, which can be used to quantify copper in various samples, for example minerals, pharmaceuticals and phytosanitary products.The membrane, according to the invention, comprises polyvinylchloride, 2-nitrophenyloctyl ether and 1,5-bis(salicylidene)-S-methylisothiocarbohydrazide.The Cu2+ - selective electrode with such a membrane is characterized by functional parameters: the electrode function slope of 28 ± 2 mV/decade, the limiting definition range of 10-5 mol/L, the time of signal appearance of 10-15 s and the service time of 6 months.
Patent RU-2067185-C1 (RU)
Inventor: ANDREEV VLADIMIR A
IPC: F01B3/02
Filed: 1992-12-09
Granted: 1996-09-27
Abstract: Использование: в энергомашиностроении при проектировании приводов для преобразования энергии сжатой среды (воздуха, пара, газа) в механическую работу. Сущность изобретения: в газоприводе предусмотрено три варианта усовершенствования системы распределения рабочей среды - с помощью подвижных втулок с профильными кулачковыми выступами и дополнительных цилиндропоршневых групп, с помощью рычажно-кулачковой системы и профилированных каналов, а также с помощью электромеханической системы управления распределением. 3 с. п., 1 з.п. ф-лы, 13 ил.
Patent RU-2130821-C1 (RU)
Title: Method for making coil springs
Inventor: STAROV V N
IPC: B21F35/00
Filed: 1992-12-21
Granted: 1999-05-27
Abstract: FIELD: plastic metal deforming for making from round blank coils with non-round cross section of turns designed for manufacturing springs, rings and so on. SUBSTANCE: rotating rolls have shaped grooves, for example rectangular -shaped ones, and they are arranged with inclination relative to fed blank wound onto mandrel arranged between said rolls. Blank is fed to working zone between -shaped roll grooves and cylindrical surface of mandrel placed between rolls with minimum possible gap. Wire circle is clamped by means of inlet cone of rolls. In deformation zone wire circle is deformed to rectangular or other shape depending upon profile of roll grooves. Formed coil after shaping zone is subjected to deformation in next stages, namely: its turns are spaced by predetermined pitch; then coil is cut by measured-length blanks from which after end working, heat treatment, training and other procedures springs are made. In apparatus for performing the method all members are arranged coaxially and grooved rolls embrace them. Compression springs with rectangular profile of turn cross section made by such method have working capacity at least four times higher than wire springs with round profile of their turns not-subjected to plastic deforming. EFFECT: enhanced working capacity of springs. 2 dwg
Patent RU-2048337-C1 (RU)
Inventor: DERGACHEV EDUARD P
IPC: B61D29/00
Filed: 1993-02-08
Granted: 1995-11-20
Abstract: Использование: подвеска относится к железнодорожному транспорту в части подвесок редукторов привода подвагонного генератора. Сущность изобретения: в подвеске для улучшения технологичности, упрощения конструкции и повышения эксплутационной надежности боковой вырез в опорной плите выполнен прямоугольным, а задвижка жестко закреплена на поперечном брусе рамы тележки. Боковые грани задвижки и бокового выреза в опорной плите выполняют конусными. Кроме того, задвижка шарнирно закреплена на боковой стене корпуса. 2 з. п. ф-лы, 7 ил.
Patent RU-2081710-C1 (RU)
Title: Device for filtration
Inventor: ILIN MIKHAIL I
IPC: B04C9/00
Filed: 1993-03-01
Granted: 1997-06-20
Abstract: FIELD: devices for filtration of suspensions, used in chemical, mechanical engineering, food-processing, sugar and other branches of industry. SUBSTANCE: device has stationary body, flat plates fixed on body and used for swirling of suspension by cylindrical filtering drum mounted with capability to rotate. Inside drum there is shaft and hollow shaft connected with drum. Inside hollow insert blades are fixed connected by ring and disk with blades is mounted on shaft. Canal for filtrate passing is made curvilinear. Device allows to increase productivity and to expand its functional capabilities due to decrease of hydraulic losses and improvement of its design. EFFECT: device has high productivity and it is convenient in assembly, installation and setting-up. 1 dwg
Patent RU-2109710-C1 (RU)
Title: Method for manufacturing of construction articles
IPC: C04B111/20
Filed: 1993-03-05
Granted: 1998-04-27
Abstract: FIELD: building materials production. SUBSTANCE: method involves mixing of liquid glass with water and with additive. The process is followed by mixing with filler, its portion is partially ground, Then formation of articles and their heat treatment are carried out. According to the invention quartz sand, liquid glass, water and additive are cooperatively ground and then ungrounded filler is added. Formed articles are affected by heat treatment, the process takes place at 300-360 C. EFFECT: increased water resistance of construction articles and their strength.
Patent RU-2046023-C1 (RU)
Title: Method of flotation concentration of potassium ores
Inventor: TITKOV STANISLAV N
IPC: B03D1/02
Filed: 1993-04-27
Granted: 1995-10-20
Abstract: FIELD: concentration of minerals, ore flotation. SUBSTANCE: ground ore is subjected for desliming and potassium chloride flotation is carried out. Aliphatic amines C 16 -C 22  were added as a basic collecting agent. Additional collecting agent: aqueous emulsion of paraffin, primary aliphatic amines C 8 -C 14 ,, secondary aliphatic amines C 8 -C 14  and stabilizing agent at the mass ratio from 1.0: 3.0: 0.1:7.0 to 1.0:15.0:1.5:20.0, respectively. Flotoconcentrate is dehydrated, dried and treated with anticaking agent. It is possible to add industrial oil to emulsion at concentration 1.0-10.0% of paraffin consumption. Paraffin emulsion can be mixed with aqueous solution of amine C 16 -C 22 .. Oxal, pine oil or foaming agent T-66 were added as stabilizing agent. EFFECT: improved method of ore concentration. 4 cl
Patent RU-2082692-C1 (RU)
Title: Method for production of ceramic brick
Inventor: RASSKAZOV VLADIMIR F
IPC: C04B33/02
Filed: 1993-06-29
Granted: 1997-06-27
Abstract: FIELD: production of ceramic bricks. SUBSTANCE: clay raw materials, burning out additive and active silt are mixed all together. Quantity of said active silt is 10-50 mass % as calculated for dry weight of clay material. Then half-finished article is formed, dried and roasted. EFFECT: improved efficiency. 3 cl, 2 tbl
Patent RU-2038340-C1 (RU)
Title: Initial mixture for heavy concrete preparation, initial mixture for porous concrete preparation, initial mixture for foam concrete preparation, addition to concrete mixture
Inventor: BELOV YURIJ A
IPC: C04B38/10
Filed: 1993-06-30
Granted: 1995-06-27
Abstract: FIELD: construction. SUBSTANCE: initial mixture for preparation of heavy concrete has binder, small and big size filler, addition and water also as plasticizing and water-reducing addition uses waste waters of yeast production based on sulfates and chlorides of alkaline metals with following ratio of components, mass binder 18.3 21.4; small size filler 26.5 27.7; big size filler 44.4 48.8; the addition 0.2 0.5; water the rest. Besides, initial mixture for porous concrete preparation has binder, small and big size filler, pores forming addition and water. The mixture as pores forming addition uses concentrated waste waters of yeast production, based on sulfates and chlorides of alkaline metals in following ratio of components, mass binder 11.3 11.6; small size filler 24.5 27.9; big size filler 51.2 54.0; the addition 0.1 0.5; water the rest. Besides, initial mixture for foam concrete preparation has mineral binder, small size filler, foam forming addition and water as foam forming addition uses concentrated waste waters of yeast production, based on sulfates and chlorides of alkaline metals and additionally has ground quick lime and plasticizing addition in following ratio of components, mass mineral binder 45.4 47.9; small size filler 35.0 36.5; the addition 3.5 8.0; ground quick lime 0.3 0.4; plasticizing addition 0.3 0.4; water the rest. Besides, addition to concrete mixture based on waste waters of yeast production has following components, mass formed in process of yeast production alkaline metals sulfates 7.5 12.5; alkaline metals chlorides 1.5 3.5; ammonium nitrogen 0.02 0.04; organic nitrogen 1.5 4.0; sugar 3.0 5.0; flying fatty acids 3.5 - 5.5, similar materials present in suspended state and formed in process of production 1.8 -3.8; solid sediment of similar materials, formed in process of production 70.0 73.0; other ingredients the rest. Concrete mixtures were prepared with different dosages of the addition to create plasticizing and water-reducing effect, air attracting effect and foam-forming effect. In parallel concrete mixtures for production of heavy concrete, light porous concrete and foam concrete were prepared by stirring components. Density of heavy concrete was 2200 2400 kg/m 3 , its strength 50.0 69 MPa; density of light porous concrete was 1430 1470 kg/m 3 , its strength 5.6 7.9 MPa, porosity effect 10.7 11.2 density of foam concrete was 500 750 kg/m 3 , its strength 0.5 1.2 MPa, porosity effect 22 25 EFFECT: heavy, porous and foam concretes are used in construction. 5 cl, 2 tbl
Patent RU-2069373-C1 (RU)
Title: Piezoelectric pressure transducer
Inventor: SHAKIROV RUSTAM A
IPC: G01V1/16
Filed: 1993-07-01
Granted: 1996-11-20
Abstract: FIELD: equipment for detection of casing-to-well bore annulus overflows of fluids in cased wells. SUBSTANCE: pressure transducer has adapter casing 1 with holes for electric leads 2, and piezoelectric element 3. The latter is made in the form of a radially polarized ceramic cylinder. Current-conducting surfaces 4 of the piezoelectric element are connected to the electric leads. The piezoelectric element is positioned inside shell 3, made of a compound with a filler, and has through slot 6 in the cylinder element. The properties of the compound and ceramics are so selected that their coefficients of thermal expansion are the same, and the compound modulus of elasticity is lower than the ceramics modulus of elasticity at least by a factor of $$$. EFFECT: enhanced sensitivity, expanded frequency band and simplified design as compared with the known devices of the same application. 2 dwg
Patent RU-2066035-C1 (RU)
Title: Cross-flow heat exchange apparatus
Inventor: VORONIN VLADIMIR V
IPC: F28D9/02
Filed: 1993-07-14
Granted: 1996-08-27
Abstract: FIELD: heat-power engineering; heat exchangers for gaseous heat-transfer agent at high temperature differential. SUBSTANCE: cross-flow heat exchange apparatus has stack of plates with discontinuous longitudinal fins forming separate sections on surface of plate at similar pitch which reduces from section to section in way of motion of heat-transfer agent. Section located at heat-transfer agent outlet may be additionally provided with turbulizing notches. EFFECT: enhanced efficiency. 2 cl, 3 dwg
Patent RU-2064426-C1 (RU)
Title: Installation for discharging flowing liquids and liquids thickened at low temperatures
Inventor: KAMYSHEV PAVEL STEPANOVICH
IPC: B65D88/74
Filed: 1993-07-23
Granted: 1996-07-27
Abstract: FIELD: discharging of thickened liquids, for instance oil products, from tanks. SUBSTANCE: draining vacuum reservoir 1 is placed in communication with container 33 to be emptied by means of pipeline 2. Pipeline 2 is assembled of several straight and bent sections connected by spatial joints 17. Each section consists of two coaxially connected large diameter tubes over circular space with heat carrier circulating between tubes in direction from container 33 to reservoir 1 into intake section of pipe lowered into thickened liquid through filler neck of container 33. layer of thickened liquid in contact with walls of inner tubes gets heated and becomes flowing with insignificant tangential stress. Under the action of pressure differential built by vacuum in draining reservoir, thickened liquid, in form of straight or bent cylinder coated with liquid layer, will move freely from container 33 into draining reservoir 1. EFFECT: facilitated discharge of thickened oil products. 2 cl, 5 dwg
Patent RU-2095293-C1 (RU)
Title: Method of accuracy landing of aircraft
Inventor: TELMINOV MIKHAIL M
IPC: B64F1/00
Filed: 1993-09-10
Granted: 1997-11-10
Abstract: FIELD: aircraft landing systems. SUBSTANCE: method consists in laying out system of electric conductors along runway and measuring the vertical and horizontal components of electromagnetic field by means of magnetometers fitted on wings and along central axial line of fuselage. EFFECT: enhanced accuracy of landing. 2 dwg
Patent RU-2086389-C1 (RU)
Inventor: KOROLEV ALBERT V
IPC: B24B19/06
Filed: 1993-10-11
Granted: 1997-08-10
Abstract: FIELD: mechanical engineering; finishing of bearing races. SUBSTANCE: multiple-bar cassette has two or several cam 7 mounted in slots of housing of cassette chuck 6 for longitudinal travel and bars secured on cams of holders 11 and moved along cams by means of built-in hydraulic cylinders 10. Mechanism to press bars to machined surface is made in form of rotary disk 8 installed on bearings in cassette housing and provided with projections in form of Archimedes' spiral getting into corresponding slots of cams. Disk is set into rotation through hydraulic cylinder and rack. Bushing 3 is installed in bearings on fixed axle arranged coaxially with headstock of article. Bushing installed for rotation by external drive has eccentric neck on which cassette chuck 6 is secured in bearings by its one end. Inner surface of cassette rests on bearing 12 secured on axle 2. EFFECT: improved quality of finishing. 1 dwg
Patent RU-2064868-C1 (RU)
Title: Wheel with adjustable length of ground contact
Inventor: MALKIN LEV A
IPC: B60B3/00
Filed: 1993-10-26
Granted: 1996-08-10
Abstract: FIELD: automotive industry, agriculture, aviation. SUBSTANCE: wheel has flexible support rim coupled through two soft conical envelopes with two flanges arranged on shaft. One of flanges is installed on shaft stationary, and other is installed on key and is connected through coupling with axial displacement drive. With wheel moving along cultivated soil, it does not cause rolling down of soil. Support flexible rim of wheel is coupled with hub by means of special envelopes. Length of ground contact of wheel is adjusted by means of simplest coupling which changes geometry of envelopes. EFFECT: prevention of rolling down of cultivated soil. 3 cl, 3 dwg
Patent RU-2064395-C1 (RU)
Title: Gear to mount and rotate parts of type of ring
Inventor: KUKLIN ANDREJ I
IPC: B24B19/06
Filed: 1993-11-18
Granted: 1996-07-27
Abstract: FIELD: mechanical engineering. SUBSTANCE: gear is designed to machine ways of races of bearings predominantly by method of superfinishing. Gear to mount and rotate parts of type of ring has frame, body with spindle mounted for axial movement relative to bearing member fixed immobile on frame. Butt clamp is put on cross-piece made fast to body which spindle is mounted for translational motion with the aid of pneumatic drive and is coupled to stopping member in the form of faceplate. EFFECT: enhanced operational efficiency. 2 dwg
Patent RU-2087124-C1 (RU)
Title: Method for predicting sudden death in sarcoidosis patients
Inventor: DOBIN VITALIJ LAZAREVICH
IPC: A61B5/349
Filed: 1993-12-22
Granted: 1997-08-20
Abstract: FIELD: medicine. SUBSTANCE: method involves recording electrocardiogram and measuring 100 PP intervals duration before and during corticosteroid therapy treatment. Then mathematical analysis of cardiointervals is carried out and regulation system activity index value is calculated. The index value being initially increased and growing in the course of treatment until overload-exhaust level is achieved, sudden death probability is predicted among sarcoidosis patients. EFFECT: enhanced effectiveness of prognosis.
Patent RU-2061532-C1 (RU)
Title: Apparatus for membrane extraction for detoxication of biological fluids
Inventor: YURTOV EVGENIJ V
IPC: B01D61/40
Filed: 1993-12-30
Granted: 1996-06-10
Abstract: FIELD: membrane extraction for detoxication of biological fluids. SUBSTANCE: apparatus for membrane extraction for detoxication of biological fluids includes working chamber with pipe union for admission and discharge of biological fluid and filter, and containing extracting emulsion. The chamber accommodates plates with pins 3-5 mm high successively installed on rod located along the apparatus axis. Extracting emulsion is applied to both sides of plates. Each plate has radial slot, and plates are installed so that slot of each successive plate is displaced through 120 deg clockwise relative to the slot of the preceding plate. EFFECT: higher efficiency. 1 dwg
Patent RU-2056786-C1 (RU)
Title: Napless attachment of vacuum cleaner
Inventor: NEFEDEV VALENTIN I
IPC: A47L9/02
Filed: 1994-02-01
Granted: 1996-03-27
Abstract: FIELD: cleaning equipment. SUBSTANCE: attachment uses a flexible blind in the form of a ring of a wavy shape and prongs on the lower end face around the suction port. EFFECT: enhanced dust-collecting capacity of vacuum cleaner, decreased time of dust collection, enhanced service life of vacuum cleaner and provision of sparing contact of attachment with treated surface and continuous varnished surfaces of furniture. 6 dwg
Patent RU-2098383-C1 (RU)
Title: Composition of boron porcelain
Inventor: SHCHEPOCHKINA YULIYA ALEKSEEVN
IPC: C04B33/24
Filed: 1994-04-07
Granted: 1997-12-10
Abstract: FIELD: manufacturing articles for decorative, artistic and home purposes. SUBSTANCE: composition comprises, mas.%: kaolin, 40-50; white hot clay, 15-25; quartz, 5-15; sodium tetraborate, 20-30. EFFECT: improved quality. 1 tbl
Patent RU-2081167-C1 (RU)
Title: Strain of bacterium bacillus subtilis for preparing the preparation against phytopathogenic fungi
Inventor: NOVIKOVA IRINA I
IPC: A01N63/22
Filed: 1994-04-08
Granted: 1997-06-10
Abstract: FIELD: agriculture microbiology. SUBSTANCE: strain of bacterium Bacillus subtilis is isolated from compost and deposited in Collection pure cultures VIZR at N 10. Preparation is obtained by culturing the above indicated strain on liquid medium containing 3% cultural extract, 1.5% molasses and water for 3 days at 27-29 C followed by lyophilization of cultural fluid by drying. Yield of dry biomass is 40 g/l at titer 5-10 9  spores/g. EFFECT: enhanced productivity of strain indicated above. 3 tbl
Patent RU-2100605-C1 (RU)
Inventor: MORIN ANDREJ S
IPC: E21C41/26
Filed: 1994-05-04
Granted: 1997-12-27
Abstract: Использование: изобретение может быть использовано при ведении открытых горных и строительных работ, в частности при разработке россыпных месторождений полезных ископаемых. Основная задача изобретения заключается в повышении производительности гидравлической разработки при обеспечении эффективной и безопасной отработки горных пород высокими уступами. Сущность изобретения: размещение гидромониторной установки в забое осуществляют с помощью устанавливаемого на определенной высоте от уровня верхней площадки уступа привязного аэростата, удерживающего шаровой шарнир, соединяющий водовод и ствол гидромонитора. Производят монтаж системы водоводов от установки к водозабору. После создания необходимого напора воды у насадки гидромонитора, массив горных пород разрушают напорной струей, создавая врубовые полости, как на откосе уступа, так и на его верхней площадке, в зависимости от степени интенсивности разрушения массива. Направление струи дистанционно регулируется поворотом в вертикальной и горизонтальной плоскостях шарнирно закрепленного ствола с помощью механизмов подъема и поворота. Перемещение гидромониторной установки по мере подвигания забоя производят уменьшением высоты расположения аэростата и увеличением угла, образуемого стволом гидромонитора с водоводом. 1 ил.
Patent RU-2065631-C1 (RU)
Title: Transformer and its manufacturing process
IPC: H01F41/04
Filed: 1994-05-20
Granted: 1996-08-20
Abstract: FIELD: electrical engineering; low-capacity high-frequency transformers, their design and manufacture; radio electronics and converter engineering. SUBSTANCE: transformer has windings placed on primarily rod-type core and multilayer insulation of dielectric material in the form of helical ribbon spring around winding surface with radial compression and locking of winding turns and leads due to elastic strain forces. Manufacturing process is characterized in that apart from winding the core, blank in the form of flexible band length made of dielectric material is rolled up for the time being heat treatment is ceased, heated to initial plastic deformation point of dielectric material without melting; upon cooling down, helical band spring obtained from blank is extended, placed above winding turns and, upon releasing extension force, it is allowed to return to its compressed state due to elastic strain stress so that winding turns and leads are embraced, radially compressed, and locked in position. EFFECT: facilitated manufacture due to simplified assembly procedure; improved reliability and quality of winding-to-winding insulation. 6 dwg