baber/WOPTO huggingface dataset:
Patent RU-2064330-C1 (RU)
Inventor: GLINSKIJ VIKTOR P
IPC: B01F11/00
Filed: 1981-07-17
Granted: 1996-07-27
Abstract: Сущность изобретения: предложен смеситель с мешалкой возвратно-поступательного действия, перемешивающее устройство которого выполнено в виде перфорированного диода с соплообразными отверстиями, при этом периферийная часть диода с отверстиями снабжена профилированным, например коническим отражателем, заполненным над отверстиями со стороны их сужения, а также шток в верхней части снабжен брызгозащитным зонтом. 1 з. п. ф - лы, 2 ил.
Patent RU-2030071-C1 (RU)
Title: Inductor-reactive stepping electric motor
Inventor: KRASNOPEVTSEV ALEKSANDR I
IPC: H02K37/00
Filed: 1988-02-04
Granted: 1995-02-27
Abstract: FIELD: electrical engineering. SUBSTANCE: inductor-reactive stepping electric motor is designed for discrete electric drives. Nonmagnetic frame 1 carries magnetic core 2 with pole pieces and magnet 5 with pole piece 13 mounted with outer radial gap to pole pieces of magnetic core 2. Pole piece 6 of magnet 5 forms inner radial gap with tips of teeth of rotor. With energizing of winding torque emerges under which action rotor goes to position in which it remains after ending of current pulse. With coming of pulse of opposite polarity rotor executes step of π/2. EFFECT: ensured reliability of stepped rotation. 10 dwg
Patent RU-2007408-C1 (RU)
Inventor: KAZUO SAKANE
IPC: C07D501/46
Filed: 1989-08-24
Granted: 1994-02-15
Abstract: FIELD: organic chemistry. SUBSTANCE: cepheme derivatives of the general formula   (1), where R 1  - amino- or protected amino-group; R 2  - a lower alkyl or fluoromethyl; R 3 -COO ⊖ , carboxylic or protected carboxylic-group; R 4  - hydroxy(lower)alkyl or protected hydroxy(lower)alkyl; R 5  - amino- or protected amino-group; R 6  - hydrogen or methyl. Reagent 1: compound of the general formula   (2), where   - carboxy- or protected carboxy-group, J - chlorine, acetoxy-group. Reagent 2: compound of the general formula R       3   a        (3). Reaction conditions: sodium iodide, iodotrimethylsilane or chlorotrimethylsilane. EFFECT: improved method of synthesis.
Patent RU-2029651-C1 (RU)
Title: Concentrate of lubricating-cooling liquid for nonferrous alloys pressure-die casting
Inventor: BARYKIN NIKOLAJ P
IPC: B22C3/00
Filed: 1990-06-19
Granted: 1995-02-27
Abstract: FIELD: foundry. SUBSTANCE: lubricating-cooling liquid has following composition ( in mass %): mineral oil with blazing up temperature of 270 - 280 C, kinematic viscosity of 150 mm/s under 50 C - 33.0 - 35.0, oleic acid - 10.0 - 14.0, triethanolamine - 6.5 - 8.0, thiocarbamide - 2.0 - 2.5, catapin - 2.0 - 2.5, polyoxyethilene ester of alkylphenols - 9.0 - 10.0, polysiloxane liquid - 1.0 - 1.4, soaps of alkali metals of synthetic fat acids C 5 -C 6  2,0-2,5, water - the rest. Joint presence of surface-active materials of oleic acid triethanolamine improves antifriction features, alkali soaps and polyoxiethylene ester of alkylphenol increase lubricating efficiency of the lubricant. Thiocarbamide acts as score-proof component. EFFECT: given composition of lubricating-cooling liquid increases durability of press mold during casting ingots of magnesium alloys at the average up to 1000 pieces. 1 tbl
Patent RU-2007594-C1 (RU)
Inventor: KRAVCHENKO VIKTOR I
IPC: F02B75/04
Filed: 1990-08-01
Granted: 1994-02-15
Abstract: FIELD: engine engineering. SUBSTANCE: method includes compressing a charge, burning out fuel mixture at a constant volume, controlling a time of keeping of a constant volume of the combustible mixture and compression ratio to provide maximum burning temperature in the range of 2000-2200K and maximum burning pressure in the range of 10-20 MPa. EFFECT: simplified method. 1 dwg
Patent RU-2013636-C1 (RU)
Title: Arrangement for processing fuel mixture of carburetor-type internal combustion engine
Inventor: ISHKOV BORIS A
IPC: F02M29/08
Filed: 1990-11-14
Granted: 1994-05-30
Abstract: FIELD: automotive engineering, particularly engine construction. SUBSTANCE: arrangement has mixing chamber, evaporator in the form of helical wire elements, line for feeding heat transfer agent (exhaust gases) to the chamber, heater in the form of a tube having a blind hole at one end and communicating with the line at the other end. Lower part of side surface of the heater has holes. The elements are positioned at the sides of the heater and spaced from one another at a distance equal to half the outside diameter of the helix. An electric heating element is located inside the heater. EFFECT: improved mixture preparation. 2 cl, 4 dwg
Patent RU-2060199-C1 (RU)
Title: Trimaran with varying trim
Inventor: ALFREDO MAGATSTSU
IPC: B63B1/10
Filed: 1991-04-26
Granted: 1996-05-20
Abstract: FIELD: design of trimarans with varying trim. SUBSTANCE: trimaran is provided with side floats connected with center hull by means of connecting members due to which floats may move vertically. Deck structure is connected with center hull and is made in such form that covers side floats at the top and they do not project beyond its extreme width. Deck structure may be made as an individual member connected with center hull or integral with it. Each side float may be provided with additional connecting members. Trimaran may be provided with additional pairs of side floats arranged in succession. Fore extremity of center hull may be provided with hydrodynamic stabilizer for probable partial defection with the aid of valves. EFFECT: enhanced running characteristics. 7 cl, 9 dwg
Patent RU-2020033-C1 (RU)
Inventor: TUGOVIKOV ALEKSANDR E
IPC: C21D1/70
Filed: 1991-02-05
Granted: 1994-09-30
Abstract: Изобретение относится к области черной металлургии и может быть использовано при получении биметаллических изделий на основе железа литейными методами или при получении биметаллических заготовок в совмещенных литейно-прокатных агрегатах. Сущность изобретения: позволяет повысить эффективность защиты поверхности стали от окисления в области высоких температур, повысить скорость нагрева стали и ассимилирующую способность шлака. Синтетический шлак имеет следующий состав, мас.%: карбонат натрия 10 - 20; бура 1 - 13; плавленый борный концентрат 45 - 80; углерод 2 - 5; оксид кремния - остальное. При отливке на УНРС биметаллических заготовок с вводом в кристаллизатор твердых вставок и основными функциями углерода в составе облегчается отделение шлака с поверхности твердых вставок, а также повышение производительности нагрева непосредственно твердой вставки перед входом ее в жидкий металл. Реализация изобретения позволит повысить эффективность защиты поверхности стали от окисления в области высоких температур, повысить скорость нагрева стали и ассимилирующую способность шлака. 2 табл.
Patent RU-2012780-C1 (RU)
Title: Method for metering of chemical agent injected into well
Inventor: NIZAMOV KAMIL R
IPC: E21B43/00
Filed: 1991-03-21
Granted: 1994-05-15
Abstract: FIELD: oil producing industry. SUBSTANCE: metering of chemical agent fed to neighboring wells of well cluster is effected by means of deep well pump. With partially closed delivery gate valve, part of produced fluid is injected through hole in tubing to above-packer zone of hole clearance to force out chemical agent to neighboring wells of well cluster. Excessive gas phase from under-packer zone of hole clearance is bled through check valve in to tubing. EFFECT: efficiency. 1 dwg
Patent RU-2011739-C1 (RU)
Title: Fish screen of water intake
Inventor: SHARLOT YURIJ M
IPC: E02B8/08
Filed: 1991-04-29
Granted: 1994-04-30
Abstract: FIELD: prevention of fish from getting into water intakes provided on fishy rivers and channels. SUBSTANCE: fish screen consists of water dividing wall located before water intake channel. Vertical hollow rod is installed before wall for rotation. Rod inner hollow is communicated by means of pipeline with compressed medium source. Rod has perforation ducts tangent to its side cylindrical surface and directed towards side opposite to its rotation direction. Compressed medium flowing out of rod perforation ducts repels fish from water intake. Due to provision of circulation zone round the rotating rod, young fish is concentrated at bank opposite to water intake and is carried downstream. EFFECT: higher efficiency. 2 dwg
Patent RU-2013045-C1 (RU)
Inventor: ANDRIANOV ALEKSANDR M
IPC: A01J5/04
Filed: 1991-05-05
Granted: 1994-05-30
Abstract: FIELD: agricultural engineering. SUBSTANCE: apparatus comprises teat cups, pulser with working and vacuum chambers, excess pressure chamber, milking bucket with partition and device for transferring milk from container into receiver. Device has the form of tubes free-mounted in each container. Each tube is provided with filter element. On suction stroke milk moves from teats along teat tube walls and rejects heat to the teat tube, warming up udder teats. On compression stroke the branch pipe wall is straightened and pressed against the teat tube, closing the holes and compressing the teat. EFFECT: improved design. 4 cl, 2 dwg
Patent RU-2045021-C1 (RU)
Inventor: VLASOV VLADIMIR P
IPC: G01N3/34
Filed: 1991-05-12
Granted: 1995-09-27
Abstract: FIELD: test technique. SUBSTANCE: test facility has appliance for creating alternating torque made as gear transmission whose driving gears 3 and 4 are kinematically linked with drive 2, have teeth on part of circumference, and are engageable with driven gear 9 in turn, shaft 10 of driven gear 9 coupled via frames 13 and 19 and concurrently via torsion spring 25 to active grip 24, appliance for creating alternating axial load made as two bushes 30 and 31 forming, together with shaft 10, two screw pairs engageable though force springs 32 and 33 and links 11 and 12 with passive grip 26, as well as screw presses 35 and 29 with springs used to create separate axial force on specimen thereby enabling change of axial load value and asymmetry on specimen. Load alternation on specimen, when drive 2 is running, provides for alternate engagement of transmission through part of teeth of driving gears 3 and 4 followed by load breaking after gears disengage driven gear 9. EFFECT: improved test accuracy due to elimination of moment of frictional forces opposing specimen torsion; enlarged functional capabilities due to provision for testing not only at unidirectional torsion with axial force but also at alternating torsion and not only at permanently compressing force but also at elongation. 2 dwg
Patent RU-2009858-C1 (RU)
Title: Device for centrifugal volume machining
Inventor: KISLYAKOV VLADIMIR V
IPC: B24B31/104
Filed: 1991-05-22
Granted: 1994-03-30
Abstract: FIELD: machining. SUBSTANCE: holes are made on the blade surface or the blades are made from a netted material. EFFECT: improved machining speed. 1 dwg
Patent RU-2013355-C1 (RU)
Title: Rope grab
Inventor: AGEEV IGOR P
IPC: B66C3/12
Filed: 1991-05-28
Granted: 1994-05-30
Abstract: FIELD: seaports and river ports. SUBSTANCE: grab has two tines connected with lower cross-piece body and through tie-rods with upper cross-piece body. Upper and lower block casings are mounted for rotation about vertical axis by means of protrusions in slots. EFFECT: increased efficiency of grab and simplified construction. 5 dwg
Patent RU-2016778-C1 (RU)
Title: Compasses
Inventor: NOVOSELOV NIKOLAJ T
IPC: B43L9/24
Filed: 1991-06-28
Granted: 1994-07-30
Abstract: FIELD: drawing accessories. SUBSTANCE: one leg has a chalk fastening device. The device has two parts one of which is stationary and the other one is rotatable. The parts are connected by a hollow body and a spring-loaded rod. One end of the rod is fastened in the rotatable part, an the other one of larger diameter is mounted in the stationary part for reciprocating motion. The rod end of larger diameter is mounted in a U-shaped cutting of the hollow body. A hollow for mounting the chalk has a rectangular cross section with side ratio 1:2. EFFECT: improved structure. 2 cl, 2 dwg
Patent RU-2021420-C1 (RU)
Title: Dismountable ferry boat
Inventor: MALYSHEV ALEKSANDR A
IPC: E01D15/14
Filed: 1991-06-28
Granted: 1994-10-15
Abstract: FIELD: dismountable ferry boats. SUBSTANCE: dismountable ferry boat includes pontoon river and bank units, bridge-erection boats with steering and propulsion complex arranged at sides of ferry symmetrical to its longitudinal axis, pushing devices connected by means of hinged joint to ferry and installed in the nose part of each boat. Body of each boat has curved outline in its aft part, which is identical to that in fore part. Steering and propulsion complex is made in form of two water-jet propellers installed on body bottom symmetrical to plane of midship frame and diametrical plane of boat. Boats are provided with additional helpers located in aft part. EFFECT: higher efficiency. 3 dwg
Patent RU-2030399-C1 (RU)
Title: 1-methoxy-1-(2-chlorophenylseleno)alkanes showing antiinflammatory and antimicrobial activity
Inventor: GOLENEVA ALEVTINA F
IPC: A61P31/04
Filed: 1991-06-28
Granted: 1995-03-10
Abstract: FIELD: organic chemistry. SUBSTANCE: product: 1-methoxy-(2-chlorophenylseleno)ethane, CH-O-CH(CH)-Se-C 6 H 4 -Cl-2, empirical formula is C 9 H 11 ClOSe, yield is 80% , b. p. is 113-115 C/2 mm mercury column. 1-Methoxy-1-(2-chlorophenylseleno)-2-methylpropane, CH-O-CH(izo-C 3 H 7 )Se-C 6 H 4 -Cl-2, empirical formula is C 11 H 15 ClOSe, m. p. is 147-149 C/3 mm mercury column, yield is 65%. Reagent 1: 2-chlorophenylselenomagnesium bromide. Reagent 2: chloromethyl or α-chloroisobutylmethyl ester. Reaction conditions: in diethyl ether, on water bath for 1 h. Synthesized compounds were used in medicine. EFFECT: improved method of synthesis. 2 tbl
Patent RU-2052143-C1 (RU)
Inventor: GRIGORYANTS ROBERT A
IPC: F02B53/00
Filed: 1991-06-03
Granted: 1996-01-10
Abstract: FIELD: engine engineering. SUBSTANCE: engine has hollow housing having torus-shaped cylindrical working internal side. The rotor is mounted inside the housing. The rotor has grooves of alternative width. Blades-pistons are received in the grooves. The side of each groove made in the rotor in the zone of changing its width is cylindrical and conjugated with the flat surface of the rotor groove of constant width. The radius of the cylindrical surface is defined by the relationship presented in the invention description. EFFECT: enhanced efficiency. 5 dwg
Patent RU-2059088-C1 (RU)
Title: Method of running-in of internal combustion engine
Inventor: GRIGOROV VASILIJ D
IPC: F02B79/00
Filed: 1991-08-01
Granted: 1996-04-27
Abstract: FIELD: mechanical engineering; manufacturing or repairing of internal combustion engines. SUBSTANCE: used in running-in of engine is water-and-fuel emulsion. During running-in load is increased in each step of running-in. Water content in emulsion in limited by possibility of realization of loads on engine required during running-in at steady-state operation of engine. Reduction of duration of each step of running-in is proportional to possible increase in load. EFFECT: cut down time taken by running in; reduced consumption of fuel and oil, decreased smoking and toxicity of exhaust gases. 4 tbl
Patent RU-2050157-C1 (RU)
Inventor: STARTSEV VIKTOR F
IPC: A61K33/42
Filed: 1991-11-26
Granted: 1995-12-20
Abstract: FIELD: medicine. SUBSTANCE: method involves stabilizing blood with solution having sodium citrate, sodium chloride, glucose, succinic acid, potassium phosphate disubstituted. Plasma having been separated, blood sediment is resuspended in the volume 1:1 of the stabilizing solution centrifuged and the sediment is separated. EFFECT: higher quality of end product.
Patent RU-2070854-C1 (RU)
Title: Concrete mixer
Inventor: DAVIDENKO IVAN I
IPC: B28C5/18
Filed: 1991-07-08
Granted: 1996-12-27
Abstract: FIELD: construction. SUBSTANCE: concrete mixer has a drum with a drive for setting the drum in rotation and a mechanism for rotating the traverse. The drum is mounted by way of the traverse and axle of the frame. The mechanism for rotation of the traverse is provided with the output shaft and handle for rotation. The concrete mixer is provided with a rotatable cantilever with a locking member. The frame has arc-like groove. The axle of the rotation handle is positioned on the rotatable cantilever and coupled with the input shaft of the mechanism for rotation of the traverse through a flexible member. The locking member is received in the grove provided on the frame. EFFECT: improved mixing. 4 dwg
Patent RU-2054903-C1 (RU)
Inventor: KABYSH ANDREJ A
IPC: A61K33/00
Filed: 1992-01-10
Granted: 1996-02-27
Abstract: FIELD: veterinary. SUBSTANCE: insulin (0.5-1.0 U/kg living mass) is injected to young bulls with collagenosis during the first 5-7 days of treatment, twice per 24 hr. Syrup is added to the diet (twice per a day, by 1.0 ml), and also: manganese chloride (0.45-0.9 mg), cobalt chloride (0.3-0.6 mg/kg living mass). Following the next 45-60 days cobalt chloride, manganese chloride and syrup were added to the diet once per a day at the doses 0.3 mg, 0.45 mg and 1.0 ml/kg living mass, respectively. EFFECT: increased effectiveness of treatment.
Patent RU-2046331-C1 (RU)
Title: Method for graduating dielcometric meter measuring diphasic flow continuity
Inventor: ALEKSEEV ANDREJ I
IPC: G01N27/22
Filed: 1992-02-06
Granted: 1995-10-20
Abstract: FIELD: mechanical engineering; measurement technology. SUBSTANCE: method involves filling with liquid under control and taking readings from the meter with following approximation. The meter is additionally filled with dry gas. Readings are taken at different values of temperature and pressure separately for liquid and gas. Then, approximation is carried out for the whole range of measurements of a curve describing output characteristic of the equivalent circuit of the graduated continuity meter. EFFECT: enhanced accuracy of the method. 4 dwg
Patent RU-2027732-C1 (RU)
Inventor: ZEJNALOV NAIB EJNAL OGLY
IPC: C09K8/20
Filed: 1992-02-21
Granted: 1995-01-27
Abstract: Использование: бурение нефтяных и газовых скважин, в частности химическая обработка буровых растворов. Сущность изобретения: буровой раствор содержит глину, карбоксиметилцеллюлозу, лигносульфонат технический, нейтрализованный щелочью, суперпластификатор С-3, жидкое стекло и воду. 2 табл.
Patent RU-2036623-C1 (RU)
Title: Histo-organotome
Inventor: MESHCHERYAKOV FEDOR ALEKSANDRO
IPC: A61D1/00
Filed: 1992-02-25
Granted: 1995-06-09
Abstract: FIELD: veterinary medicine; medical engineering. SUBSTANCE: device has branches 1 and 2 having cutting part 3 and handle 4 with hole 5 and bolt 6, handle 7 with cutting part 8 having cutting plate 9 and torsion plate 10. The latter has rack 11 with slideway 12 and bolt 13 and angular rack 14 with slideway 15. Perpendicular plate 16 has holes 17 with needles 18 on bolts 20. Gear 21 with handle 22, a handle with ratchet are mounted on the axle with a spring. Lever mechanism has an angular rack with a slideway placed in a bushing. A handle is fixed on the angular rack with a bolt through an elongated opening. The device also has a drop looper with a spool and a needle with an eye. A capsule with a spool and thread passing through a nipple is placed into the hollow handle. EFFECT: enhanced effectiveness in cutting tail or other tissues and organs with concurrent sewing of the wound. 5 dwg
Patent RU-2009267-C1 (RU)
Title: Method for production of metallographic microsections
Inventor: SHULOV VYACHESLAV A
IPC: C23C8/00
Filed: 1992-03-06
Granted: 1994-03-15
Abstract: FIELD: physical metallurgy. SUBSTANCE: billet or a detail is etched by ion bombardment of a powerful pulse ion beam having pulse duration 50-100 ns and energy-flux density 1·10 7 -5·10 7  W/cm 2 . After ion etching the detail is annealed in vacuum at 300-600 C for 0.1-2.0 hour. EFFECT: improved quality of the product. 2 cl, 1 tbl
Patent RU-2004525-C1 (RU)
Inventor: BELOV YURIJ A
IPC: C04B40/00
Filed: 1992-03-31
Granted: 1993-12-15
Abstract: Использование: в области строительных материалов  дл  изготовлени  теплоизол ционных и  акустических изделий, облегченных декоративных  архитектурных элементов и скульптур. Сущность изобретени : в жущее смешивают с полистироль-  ным бисером в соотношении 100  5 - 20 по объему , совместно измельчают до удельной поверхности 4000-6000 см /г. ввод т заполнитель, добавки и  воду, помещают в замкнутый объем и подвергают  тепловому воздействию микроволнового излучател   СВЧ до получени  отформованного издели  заданной  прочности и плотности. R 16 - 28 МПа плотз&deg; ность 600-900 кг/м . 1 табл.
Patent RU-2042815-C1 (RU)
Title: Method for mining steeply dipping and inclined coal seams
Inventor: ZHIGULIN ILYA F
IPC: E21C41/18
Filed: 1992-03-31
Granted: 1995-08-27
Abstract: FIELD: mining industry. SUBSTANCE: method for mining steeply dipping and inclined coal seams includes development operations by long-pillar system to the strike with coal strip winning to the top. Coal is won in strip by benches with application of drilling and blasting operations from raises. Coal winning in benches is carried out with leading the benches which are close to strip caved part; erected in the last raise of the strip (adjacent to newly developed strip) is cutting-off support. Strip width is determined empirically depending on breaking of coal by drilling and blasting. EFFECT: higher efficiency. 4 dwg
Patent RU-2047719-C1 (RU)
Title: Tourniquet for two-way pass, fixed three times
Inventor: OZEROV GRIGORIJ I
IPC: E06B11/08
Filed: 1992-04-14
Granted: 1995-11-10
Abstract: FIELD: tourniquets. SUBSTANCE: tourniquet includes cross stopped at vertical immovable axle 1 through plate 7 fixed rigidly on the plate. Turning in direction being under control through a quarter of circle is possible. Cash box 17 has stoppers for cassette 18. The cassette has a bolt of its own lock. Structural feature does not allow one to withdraw the cassette with open cover. When it shut. it automatically is locked for the entire bolt. EFFECT: self-powered, reliable. 3 cl, 7 dwg
Patent RU-2053578-C1 (RU)
Title: Запоминающее устройство с коррекцией групповых и пакетных ошибок
Inventor: SAVINOVA ALEKSANDRA B
IPC: G11C29/42
Filed: 1992-05-28
Granted: 1996-01-27
Abstract: Изобретение относится к вычислительной технике, в частности к запоминающим устройствам, и может быть использовано в многоканальных системах передачи информации и для построения высоконадежных блоков памяти. Устройство содержит блоки памяти 1.1 - 1.5, регистр 2, первый блок 3 коррекции, блоки 4.1 - 4.4 суммирования по модулю два, блок 5 обнаружения ошибок, второй блок 10 коррекции, блок 11 управления. 4 ил.
Patent RU-2070292-C1 (RU)
Title: Method for stripping and development of inclined and steeply dipping deposits
Inventor: MEDVEDEV MIKHAIL L
IPC: E21C41/26
Filed: 1991-07-04
Granted: 1996-12-10
Abstract: FIELD: mining. SUBSTANCE: stripping inclined working for transporting by conveyer hoist of rock mass extracted in the deep zone of open pit, and stripping horizontal working for transporting the rock mass to concentration level to crushing and transfer point are driven by leading the work front on benches lying over the concentration level and conveyer and crushing and transfer point are located in these workings. Conveyer hoist is protected from injuring effect of blast and climatic environment of galleries by two jackets and safety pillar. EFFECT: higher efficiency. 1 cl, 3 dwg
Patent RU-2051254-C1 (RU)
Inventor: VOZHDAENKO VLADIMIR VASILEVICH
IPC: D06F75/40
Filed: 1992-06-22
Granted: 1995-12-27
Abstract: Использование: для глажения изделий из ткани. Сущность изобретения: каждая подставка 5 выполнена в виде скобы из пружинящей металлической проволоки круглого поперечного сечения и укреплена в держателе 4. Держатель 4 выполнен в виде обоймы из упругого эластичного материала и охватывает ручку 3 с образованием полости между ручкой и нижней частью обоймы. Нижняя часть обоймы выполнена с вогнутыми боковыми сторонами и пазами для фиксации подставок 5. Боковые ветви подставок 5 связаны перемычкой и направлены вдоль копруса 1. Контактные элементы 7 и 8 средства для отключения от электросети в рабочем положении подставок размещены соответственно в полости стойки и на перемычке. 2 з. п. ф-лы, 4 ил.