baber/WOPTO huggingface dataset:
Patent RU-2028131-C1 (RU)
Title: Method for determining indications for vitrectomy
Inventor: MAKHACHEVA ZAIRA A
IPC: A61B8/10
Filed: 1991-06-28
Granted: 1995-02-09
Abstract: FIELD: medicine, in particular, ophthalmology. SUBSTANCE: this method prescribes carrying out ultrasonic study of vitreous body and determining topography of posterior hyaloid membrane. If posterior hyaloid membrane is dislocated relative to retina by at most one third of axial length of vitreal cavity, posterior vitrectomy is indicated. In case posterior hyaloid membrane is set off from retina by one third to two thirds of axial length of vitreal cavity, central or posterior vitrectomy is indicated. If displacement exceeds two thirds, subtotal vitrectomy is indicated. EFFECT: higher accuracy.
Patent RU-2014299-C1 (RU)
Title: Glass
Inventor: SHCHEPOCHKINA YULIYA A
IPC: C03C8/10
Filed: 1991-07-01
Granted: 1994-06-15
Abstract: FIELD: high-temperature insulation. SUBSTANCE: glass has the following components, wt.-%: lead oxide 54-62; boron oxide 8-12; silicon oxide 15- 22; aluminium oxide 2-3; manganese oxide 2-3; cobalt oxide 0.25-0.47; zinc oxide 2.9-5; copper oxide 0.5-1; nickel oxide 0.5-1; tungsten oxide 2-3.3, and boron oxide 0.03-0.05. Glass properties: making point is about 1250 C, melting point is about 680-700 C. EFFECT: enhanced quality of glass. 1 tbl
Patent RU-2039941-C1 (RU)
Title: Batcher for granular and powdered products
Inventor: DANIEL LORAN
IPC: B29B7/10
Filed: 1991-07-11
Granted: 1995-07-20
Abstract: FIELD: batching of granular and powdered products. SUBSTANCE: material to be batched is fed to a rotary plate. The edges of this plate are restrained by a wall with grooves. The plate rotates in a cylinder closing the grooves, except for the place where a hole is made. When the grooves are positioned opposite the hole, they pass behind the screen. Each groove is discharged when it passes behind the screen and charged in another place under the action of centrifugal force. EFFECT: enhanced efficiency. 3 cl, 3 dwg
Patent RU-2041205-C1 (RU)
Title: Sulfur-substituted mevinic acid derivatives and process for preparing thereof
Inventor: RAVI K VARMA
IPC: A61K31/22
Filed: 1991-07-05
Granted: 1995-08-09
Abstract: FIELD: organic chemistry. SUBSTANCE: the product includes sulfur-substituted mevinic acid derivatives of the formula I wherein X is hydrogen and S(O) 3 -R 1  and Y is hydrogen and S(O) 3 -R 2  in which R 1  and R  2  are each hydrogen, acetyl, alkyl, alkenyl, cycloalkyl, phenyl, benzyl or alkoxycarbonylalkyl, each of which may be substituted with hydroxyl or halogen, or R 1  and R 2  are together alkylene; m and n are 0-2, except that X and Y are other then hydrogen; X is a group (a) or (b) in which R 3   is hydrogen or an alkali metal. A protected mevinic acid derivative is prepared by acylation and treatment with thioacid followed by removal of the protective group with treatment with a pyridine hydrogen fluoride salt in an organic solvent, and if necessary, by hydrolysis of the resulting compound with an alkali metal base. EFFECT: more efficient preparation process of the title product. 5 cl, 1 tbl
Patent RU-2010160-C1 (RU)
Title: Marine magnetic compass
Inventor: CHERTKOV KONSTANTIN I
IPC: G01C17/00
Filed: 1991-10-31
Granted: 1994-03-30
Abstract: FIELD: sea-going and river vessels. SUBSTANCE: device consists of hermetic bowl filled with working fluid in which stud is mounted. Stud holds balanced card and float. Inner surface of bowl is coated with layer of white water-resistant paint which is neutral relative to working fluid made of distilled water after standing with flint. During operation t low temperatures, bowl may be filled with aqueous solution of TOSOL. EFFECT: enhanced accuracy. 3 dwg
Patent RU-2020477-C1 (RU)
Title: Method of measurement of acoustic signal reflection factor
Inventor: GAVRILOV ALEKSANDR M
IPC: G01N29/032
Filed: 1991-08-05
Granted: 1994-09-30
Abstract: FIELD: determination of complex factor of reflection of acoustic signals from surface of materials under examination. SUBSTANCE: simultaneous radiation of a.f. and r.f. amplitude-modulated radio pulses by an acoustic radiator positioned at the end of hydroacoustic tube, the phases and frequencies of a. f. filling and envelope of the pulses coincide, reception by hydrophone, located in the middle of the tube, of radio pulses propagating from the radiator and reflected from specimen placed at the end of the tube opposite to the radiator, measurement of amplitude of a.f. radio pulse propagating from the radiator, measurement of amplitude of a.f. radio pulse reflected from specimen, determination of the ratio of amplitudes of ratio pulses reflected from specimen and propagating from the radiator equal to the modulus of deflection factor, detection of amplitude-modulated radio pulses reflected from specimen and received by receiver, separation of modulation-frequency signal from detected radio pulse, measurement of difference of phase between sinusoidal filling of reflected a.f. radio pulse and sinusoidal filling of detected amplitude-modulated radio pulse reflected from specimen, equal to the phase of reflection factor. EFFECT: enhanced accuracy of measurement of reflection factor phase. 2 dwg
Patent RU-2017203-C1 (RU)
Title: Analog input device
Inventor: ORLOV VASILIJ A
IPC: G06F3/05
Filed: 1991-07-08
Granted: 1994-07-30
Abstract: FIELD: digital computers. SUBSTANCE: analogue input device has multiplexer 1, key 2, amplifier 3, sampling-storage unit 4, analog- to-digital converter 5, trigger 15, AND element 16, pulse driver 17, NOT element 18. The analogue-to- digital converter 5 has comparator 6, digital- analog transducer 7, shift register 9, AND element group 10 and J-K flip-flop memory register 11. EFFECT: increased multiprocessing efficiency. 1 dwg
Patent RU-2057976-C1 (RU)
Inventor: GAJFUTDINOV MARS F
IPC: F16H1/20
Filed: 1991-11-20
Granted: 1996-04-10
Abstract: Изобретение относится к машиностроению. Цель изобретения - повышение износостойкости за счет конструкции механизма переключения ступеней. Предлагаемая коробка передач содержит корпус, установленные в нем входной и выходной валы с расположенными на них шестернями соответствующих ступеней и механизм переключения ступеней, входной вал выполнен со шлицами, выходной вал выполнен гладким и полым, с продольными сквозными вырезами, выполненными на наружной поверхности вала в местах расположения шестерен, установленных на нем с возможностью вращения и фиксации, а механизм переключения ступеней выполнен в виде установленного внутри выходного вала с возможностью осевого перемещения стержня с рукояткой на одном конце, установленной с возможностью перемещения в зигзагообразной прорези пластины, установленной на корпусе коробки, и овальной головкой на другом конце, и шлицев, установленных в продольных вырезах выходного вала и подпружиненных относительно его оси в радиальном направлении и предназначенных для взаимодействия с выемками, выполненными в головке стержня, установленной на нем с возможностью вращения вокруг его оси, и вырезами, выполненными в посадочных отверстиях шестерен выходного вала. 5 ил.
Patent RU-2084611-C1 (RU)
Title: Circulation water supply system for bore-hole
Inventor: ARAKELYAN EDUARD I
IPC: E21B21/01
Filed: 1991-12-09
Granted: 1997-07-20
Abstract: FIELD: oil and gas industry. SUBSTANCE: this is intended for drilling oil and gas wells with high level of ecological requirements, that is with no pollution to environment. Closed-circuit or circulation water supply system of bore-hole has following interconnected components: clear water unit 1, closed circuits for preparation and treating of drilling liquid 2, receiving vessels 3, drilling liquid purification unit with following successively interconnected vibrating sieves 6, sand separator 7, silt separator 8, sludge wash-off unit together with centrifuge 9, vibrating sieve 10, settler 11, circulation water vessel 12, preliminary cleaning unit 16, final cleaners 17, unit for treating with chemical reagents 24, 25, system for transporting and burial of washed-off sludge 14, 26. EFFECT: high efficiency. 1 cl, 1 dwg
Patent RU-2030971-C1 (RU)
Inventor: SOLOVEV MIKHAIL A
IPC: B22F9/02
Filed: 1991-07-24
Granted: 1995-03-20
Abstract: Использование: в производстве порошкообразных ферросплавов немеханическим способом. Сущность изобретения: в расплав силикокальция после его выпуска в ковш вводят фосфор в количестве 0,15-0,40 мас.% и алюминий в количестве 1,0-2,5 мас. %, разливают расплав в изложницы. Слитки выдерживают при температуре 900-1050°С в течение 6-12 ч, после чего охлаждают на воздухе. Остывшие слитки обрабатывают водой или паром до саморассыпания. Изотермическая выдержка слитков силикокальция обеспечивает полное равномерное распределение в нем примесей, благодаря чему слитки стабильно рассыпаются. Положительный эффект: повышается качество порошков сплава за счет снижения содержания в них фосфора в 1,5-3,0 раза и потерь кальция на 3-5 %, уменьшения их пожаро- и взрывоопасности. 1 табл.
Patent RU-2079796-C1 (RU)
Title: Steam-gas water heater
Inventor: KSENYAKIN BORIS A
IPC: F24H1/20
Filed: 1991-10-28
Granted: 1997-05-20
Abstract: FIELD: domestic heating systems; heating systems used under field conditions and in case of natural calamity. SUBSTANCE: contact-type water heater has vertical cylindrical housing 1 where flame tube 2 with submersed burner 3 are coaxially mounted on cover of housing 1; water heater is also provided with circulating pipe 4 and separator end consisting of hemispherical shield 6 partially shutting-off escape of gaseous combustion products of fuel from circulating pipe 4, baffle rings 7 and separating rings 8; relative position of these rings form narrowing clearance in way of motion of hot waste gas escaping from water heater; flow of gas changes direction of its motion and enters next pair of rings; separated liquid is discharged by down-take pipes 10 connected with lower edge of separating rings 8 into circular clearance between housing 1 and circulating pipe 4 wherefrom it is directed to central chamber through holes available in lower portion of circulating pipe 4, thus closing the first circulating loop of heating liquid. Water being heated circulates via two-pass compartments of heat-exchange elements formed by hollow cylindrical walls of housing 1, circulating pipe 4 and flame tube 2 which are communicated by means of ring-shaped inlet compartment 11, intermediate compartment 12 and central outlet compartment 13 of hollow bottom of housing 1, as well as by bypass pipe 15. During operation of water heater, flow of hot waste gases of fuel combustion products is throttled forming additional hydraulic resistance, thus reducing speed of escape of these gases from liquid and consequently reducing losses of heat and liquid and increasing capacity of water heater and range of its control. EFFECT: increased capacity due to increased heat exchange surface formed by two-pass chambers of cylindrical walls of housing 1, circulating pipe 4 and flame tube 2. 2 cl, 2 dwg
Patent RU-2056306-C1 (RU)
Title: Control system of automotive continuously variable transmission
Inventor: DOROFEEV DMITRIJ G
IPC: B60W10/101
Filed: 1991-08-29
Granted: 1996-03-20
Abstract: FIELD: transport engineering. SUBSTANCE: control system of continuously variable transmission has transmission ratio control unit and clutch control unit coupled with transmission ratio control unit which is coupled by feedback with clutch control unit. Such design of control system of continuously variable transmission provides decreased wear of clutch and improves control process. EFFECT: increased service life of clutch, improved control. 3 cl, 3 dwg
Patent RU-2026392-C1 (RU)
Title: Furnace for production of zinc oxide
Inventor: VATUTIN NIKOLAJ I
IPC: C22B19/34
Filed: 1991-12-23
Granted: 1995-01-09
Abstract: FIELD: chemical industry. SUBSTANCE: furnace for production of zinc oxide has a charging device, evaporating and oxidizing chambers separated by a partition, burner with a prechamber for preparation and supply of products of high-temperature conversion of gas fuel, and a slag pocket with a hole; and additional partition is installed between the evaporating chamber and prechamber, the partitions have holes inclined inside the evaporating chamber, the prechamber outlet extends at the same level as the oxidizing chamber inlet, and the slag pocket with a hole is installed in the evaporating chamber. In the partitions the slope of holes to the furnace horizontal axis equals 25-35° . EFFECT: facilitated procedure. 2 cl, 2 dwg
Patent RU-2044187-C1 (RU)
Title: Safety clutch
Inventor: ALEKSANDROV VLADIMIR E
IPC: F16D7/00
Filed: 1991-11-06
Granted: 1995-09-20
Abstract: FIELD: mechanical engineering. SUBSTANCE: inner clutch member has ring groove which separate the toothing into two parts. The inner side of the outer clutch member is provided with assembling grooves and grooves for receiving torsion shafts having levers with rollers. The levers are rigidly secured at the ends of the shafts in opposite directions. The rollers are in hollows of the toothings of the inner clutch member to provide shifting by one step. The limit torque is defined by the shape of the toothings and rigidity of the torsion shafts. EFFECT: enhanced reliability. 4 dwg
Patent RU-2034754-C1 (RU)
Title: Protective matting for performing jobs on external surface of flying vehicle
Inventor: KOVALEV YURIJ A
IPC: B64F5/00
Filed: 1991-07-01
Granted: 1995-05-10
Abstract: FIELD: ground servicing of flying vehicles. SUBSTANCE: protective matting 1 is provided with set of rigid inserts 11 made in form of plate whose ends are bent in form of clamp and height of lateral sides is equal to thickness of soft gasket 4. Inserts 11 are mounted in parallel relative to each other in transverse direction of matting 1 which makes it possible to roll the matting longitudinally. EFFECT: enhanced reliability of protection of low-strength structural members of flying vehicle and ease of operation on its external surface. 4 dwg
Patent RU-2057727-C1 (RU)
Inventor: PISTSOV YURIJ N
IPC: C03B5/00
Filed: 1992-04-28
Granted: 1996-04-10
Abstract: Сущность изобретения: способ варки отходов стекловолокна включает загрузку их в стекловаренную печь, плавление и кондиционирование. Загрузку отходов в печь ведут с добавлением продуктов очистки дымовых газов из стекловаренных печей в виде твердых частиц, включающих фтор, окислы бора и кальция в количестве 5 - 10% от процентного содержания этих компонентов в отходах стекловолокна, а кондиционирование осуществляют при 1525 - 1540 o С. 1 ил., 1 табл.
Patent RU-2052040-C1 (RU)
Inventor: VOLKOV VLADIMIR V
IPC: E04B7/00
Filed: 1992-05-06
Granted: 1996-01-10
Abstract: FIELD: civil engineering. SUBSTANCE: vaulted structure includes a skeleton, purlin placed in ridge, and footpieces installed at the base. Arched sections interconnected to each other and to the purlins. The sections form are made as three layered panels with facing. The cavity between panels is filled with concrete. Each arched section, purlin and footpiece is made of radial cut through, straight, stretched out tyre with side parts radially notched to protector portion. EFFECT: use of spent tyres. 6 dwg
Patent RU-2008999-C1 (RU)
Title: Mixer for preparing moulding sands
Inventor: SUKHOMLINOV STANISLAV M
IPC: B22C5/04
Filed: 1992-06-19
Granted: 1994-03-15
Abstract: FIELD: foundry engineering. SUBSTANCE: mixer has pouring basin with shell carrying internally cross member rotating from drive and carrying ploughs and rolls with vertical axis of rotation, shaft and rest. The lower end surface of each roll is provided with aerating cores positioned concentrically relative to axis of rotation of the roll, spaced uniformly around the circumference and having diameter equal to 0.7- 0.8 diameter of the roll. The diameter of the roll is equal to 0.2-0.3 internal diameter of the pouring basin, and the length of the aerating core of the roll is equal to 0.2-0.4 diameter of the roll. The upper part of the rest of each roll is provided with bushing with radially positioned spikes equally spaced apart. Aerating cores fixed at the ends of the spikes perpendicularly to them are located around the circumference with diameter equal to 0.3-0.5 diameter of the roll. The bushing is mounted for turning around the vertical axis of the roll relative to the rest. The free ends of the aerating cores are coated with wear- resistant buildups. EFFECT: higher efficiency of operation of mixer and higher quality of moulding sands. 3 cl, 4 dwg
Patent RU-2084017-C1 (RU)
Title: Device for information input
Inventor: PASEKOV VIKTOR LVOVICH
IPC: G06F3/00
Filed: 1992-07-15
Granted: 1997-07-10
Abstract: FIELD: automation and computer engineering. SUBSTANCE: device has commutator of input analog signals, analog-to-digital converter and control unit. commutator has channels each of which has input converter of voltage to current, transformer and gates in both windings of transformer. In addition device has current-to-voltage converter which is shared by all channels. Voltage-to-current converter has transistor, diode and power supply. EFFECT: increased stability to noise, increased speed, increased precision. 3 cl, 3 dwg
Patent RU-2002150-C1 (RU)
Title: Плавающее торцевое уплотнение
Inventor: KASATKIN ALEKSEJ P
IPC: F16J15/34
Filed: 1992-06-03
Granted: 1993-10-30
Abstract: Использование: в уплотнени х насосов. Сущность  изобретени : плавающее торцевое уплотнение  содержит контактные кольца пары трениа установленные  в аксиально-подвижной втулке и  упорном кольце гладкой рубашки вала. Втулка выполнена  с удлиненной юбкой. Вал защищен защитной  втулкой. Регулировочна  гайка поджимает  упругий элемент пары трени  Резинова  манжета с  воротником установлена между корпусом и юбкой  Защитна  втулка сопр жена с юбкой и гайкой. 7 за  ф-лы. 1 ил
Patent RU-2024467-C1 (RU)
Inventor: STAROKOZHEV VLADIMIR F
IPC: C06B23/00
Filed: 1992-08-25
Granted: 1994-12-15
Abstract: Область применения: промышленные взрывчатые вещества. Сущность изобретения: применение ингибитора коррозии "Витал", содержащего, мас.% триэтаноламиновая соль непредельных кислот таллового масла 7,0-8,5; калиевая соль непредельных кислот таллового масла 7,5-9,0; сульфонат натрия 8,0-9,0; экстракт фенольной очистки маловязких дистиллятов остальное, в качестве эмульгатора и/или горючего промышленных взрывчатых веществ. 1 табл.
Patent RU-2042535-C1 (RU)
Title: Crawler tractor suspension
Inventor: BELENKIJ YUZEF S
IPC: B62D55/08
Filed: 1992-09-02
Granted: 1995-08-27
Abstract: FIELD: transport engineering. SUBSTANCE: tractor skeleton has engine 1, transmission 2 and semiframe consisting of tubes 3 and U-shaped bracket 4. Crossrail 6 is shaft 5 articulated for axle replacement during collars 7 dismantling. Two quarter-elliptical springs 8 are positioned on engine sides. One side of spring is fixed on a crossrail end 6, the other end rests on a roller 9. Roller axle 10 is engaged with a fork lever 11 through a pin 12 and post 13. Fork lever is engaged with a track truck 14 bearing supporting rolls 15. L-shaped brackets 16 are fixed on tubes 3. Brackets have vertical groove 17 for placing the roller 9 axle 10 end in it. Roller 9 has barrel-type shape. EFFECT: improved design. 2 dwg
Patent RU-2042105-C1 (RU)
Title: Method of measurement of contact area of two bodies
Inventor: ONISHCHENKO ALEKSANDR M
IPC: G01B7/32
Filed: 1992-09-29
Granted: 1995-08-20
Abstract: FIELD: measurement technology. SUBSTANCE: method of measurement of contact area of two bodies lies in placement of conductive layer between them, in bringing bodies in contact and in determination of contact area by change of electric resistance in contact zone. Conductive rubber is used as conductive layer. Bodies are pressed with predetermined force and result is corrected with allowance for this force. EFFECT: increased precision of measurement of contact area thanks to enhanced sensitivity with simultaneous simplification. 1 dwg
Patent RU-2038923-C1 (RU)
Title: Способ получения гранул меди
Inventor: ELISEEV EVGENIJ I
IPC: B22F9/08
Filed: 1992-10-06
Granted: 1995-07-09
Abstract: Изобретение может быть использовано в производстве соединений меди, например, в производстве медного купороса. Сущность изобретения: способ включает обработку расплава меди серосодержащим реагентом, слив и диспергирование струи расплава водой и дополнительное введение в расплав реагента, содержащего металлический кремний, в количестве 0,1.3,0% от массы меди в пересчете на кремний. Способ обеспечивает уменьшение выделения серосодержащего газа при получении медных гранул. 1 табл.
Patent DE-10025044-C1 (DE)
Title: Vehicle internal combustion engine exhaust gas treatment device has nitrogen oxides absorber connected to oxidation catalyst, with auxiliary air supply connected between them, so that air is fed in during desulfurization
Inventor: HERTZBERG ANDREAS DIPL-ING
IPC: F01N3/32
Filed: 2000-05-20
Granted: 2001-11-29
Abstract: A vehicle IC engine exhaust gas treatment device has a nitrogen oxides absorber (4) with a control system (S) for desulfurization of the absorber during rich gas treatment. The absorber is connected to a downstream oxidation catalyst (5). An auxiliary air supply (6) is connected between the absorber and catalyst and to the control system, so that air is fed in during the desulfurization stage.  An Independent claim is included for a method for carrying out desulfurization using the device and in which supplementary air is fed in to oxidize hydrogen sulfide produced to sulfur dioxide and water.
Patent DE-10144887-C1 (DE)
Inventor: STINNERTZ HORST
IPC: B21B21/00
Filed: 2001-09-12
Granted: 2003-04-24
Abstract: Process for operating a cold pilger rolling mill comprises: a rolling pair positioned in a roll stand (2); and a braking device (5) which can be activated and deactivated depending on process parameters. An Independent claim is also included for a cold pilger rolling mill for producing a pipe comprising a roll stand, an outlet region for the finished pipe (1), a braking device and a device (6) for operating the braking device. Preferred Features: The braking device is activated when axial delaying forces occur in the pipe which lie above a prescribed value and the braking device is deactivated when the delaying forces lie below the prescribed value.
Patent DE-10204181-C1 (DE)
Title: Motor vehicle reciprocating piston internal combustion engine, has water injector between turbocharger and intercooler to reduce pollution
Inventor: LOESEL STEFAN
IPC: F02B47/02
Filed: 2002-02-01
Granted: 2003-10-09
Abstract: The turbo-charged motor vehicle internal combustion engine has a water injector (6-8) between the turbocharger and an intercooler (1) . The injector produces a spray of fine droplets in the air charge. A controller regulates the temperature and pressure of the air charge so that it does not fall below the dew point of the water.
Patent DE-19539921-C1 (DE)
Title: Exhaust-gas recirculation valve
Inventor: KLIPFEL BERNHARD DIPL ING
IPC: F02M26/69
Filed: 1995-10-26
Granted: 1997-02-27
Abstract: The valve is esp. for an exhaust-gas return system, having a housing (2) with inlet (3,4) and outlet (5). Two or more openings are formed by valve plates (9,10) and seats (11,12) between the inlet and outlet, and these can be shut independently of each other. One plate (10) at least can be spring-mounted on a stem (8), the latter coupling the two together, and being typically telescopic. A diaphragm spring (18) can be used to couple the stem and plate together. A further spring can be provided, to shut the valve in the event of failure of the actuating mechanism (19).
Patent DE-19541853-C1 (DE)
Title: Multiple utilisation circuit for transversal digital filter
Inventor: MEIER STEFAN DIPL ING
IPC: H03H17/02
Filed: 1995-11-09
Granted: 1996-08-14
Abstract: The invention calls for two multiplication units (M1i, M2i) to be included in each coefficient block (KBi) of n coefficient blocks, the multiplication units being used several times if the internal rate of the filter (F) is several times higher than the external rate required by the filter (F).