baber/WOPTO huggingface dataset:
Patent GB-791463-A (GB)
Title: Means inducing a flow of cooling air for internal combustion engines
IPC: F02K1/36
Filed: 1956-02-06
Abstract: 791,463. Gas turbine jet propulsion plant. KUZYK, W. Feb. 6, 1956 [Feb. 7, 1955], No. 3621/56. Class 110 (3). A gas turbine engine comprising an exhaust duct for the combustion products has a hood overlying the duct to form a cooling air passage in which a flow of cooling air is induced by a Coanda nozzle in the duct wall which is positioned to receive a portion of the combustion products and discharge them into the cooling air in the passage. A Coanda nozzle is a rectangular nozzle in which one of the edges of the nozzle is extended and removed continuously away from the initial direction of flow. A gas turbine engine comprising an air intake 11, compressor 12, combustion system 13, turbine 14 and exhaust system consisting of a tail bullet 15, tail cone 16, tail pipe 18 and outlet 19, is enclosed by a hood or nacelle 20 through which cooling air passes from apertures 23, and annular passage 24 to an annular nozzle 22. The passage 24 is of such a volume that the air in it has, for all practical purposes, zero velocity. A narrow, almost continuous peripheral slot 25 is cut in the aft portion of the tail pipe 18 and has at its upstream and downstream edges respectively a triangular shaped ring 26 and a peripheral ring 27 of aerofoil cross-section. The rings 26 and 27 may be formed of sheet metal welded to the tail pipe although shown as solid components. The rings 26, 27 and slot 25 form what is known as a Coanda nozzle 30. A small lip 31 attached to the downstream edge of the slot projects into the jet pipe and deflects a portion of the combustion products into the nozzle. The basis of the Coanda nozzle is shown in Fig. 2. If the nozzle flow at point B has a velocity V<SP>1</SP>, this velocity increases to V<SP>2</SP> at point C and to V<SP>3</SP> at point D and so on. This increase in velocity is accompanied by a decrease of pressure which is used to induce a flow of almost stagnant air from the chamber 24. Although the extended wall of the nozzle is shown in Fig. 2 by a finite number of straight lines the slope of which relative to the axis of the jet pipe decreases in a downstream direction, these lines may be replaced by a continuous curve as shown at 27. It is stated that this arrangement gives an increased thrust when compared with the usual arrangement in which the propulsion jet is used to suck cooling air through the cowling. Specification 456,063, [Group XXXIII], is referred to.
Patent GB-1170673-A (GB)
Title: Improvements in or relating to Junction Pipe Fittings
IPC: H01C7/04
Filed: 1967-01-25
Abstract: 1,170,673. Valves; junction pieces. E. HAWLE. 25 Jan., 1967 [26 Jan., 1966; 14 July, 1966], No. 3652/67. Headings F2G and F2V. A four-way pipe junction (Fig. 1) has the limbs 2 thereof provided with integral casings 15 for receiving valve gates 8 when the latter are raised to open positions by means of non- rising threaded stems 13 journalled in a common cover 14. The gates are enclosed by a resilient sealing material 11, 12 and have flanges 9 which seat at the mouths of casings 15. One or two of the gates can be omitted and the corresponding limb can optionally be blanked off. The gates can be rectangular in section, elliptical or, as shown in Fig. 6, they can have a single curved surface 8<11> corresponding to the curvature of seats 19. Three-way junctions can also be fitted with two or three gates in the manner indicated above. The gates and bores are shaped as indicated at 4, 5, 6 in Fig. 1.
Patent GB-514611-A (GB)
Title: Improvements relating to cigar and cigarette cases
IPC: A24F15/18
Filed: 1938-02-05
Abstract: 514,611. Combined cigarette cases and lighters. DAHL, E. C. Feb. 5. 1938, No. 3718. Void. Convention date, Feb. 6, 1937. [Class 75 (iii)] [Also in Group XVII] A lighter 2 is combined with a cigarette case 1 and is arranged so that actuation of the lighter by one hand, e.g., by a finger-piece 5, projects a cigarette and uncovers openings so that the cigarette may be lighted by sucking it. Movement of the finger-piece &c. 5 actuates a lid by means of a rod 10 projections on which move a flap 17 to uncover the openings and also'project the cigarette, while other projections contact two flaps hinged to the side walls and press them down on the second cigarette to keep it from pressing against the cigarette to be withdrawn.
Patent GB-210295-A (GB)
Title: Improvements in or relating to doors
IPC: E06B7/23
Filed: 1923-02-07
Abstract: 210,295. Cammell, Laird, & Co., Ltd., and Bailey, A. S. Feb. 7, 1923. Doors for passenger vehicles.-In sliding vehicle doors having the meeting edges of the doors or of the door and frame provided with draught excluding strips of resilient material, the strips a are channel shaped and are secured by packing-pieces e and screws &c. g and have polished outer coverings such as patent leather b secured thereto by cement &c. Injury to clothing caught between such edges is prevented.
Patent GB-229481-A (GB)
Title: Improvements in renewable seatings for valves
IPC: F16K1/42
Filed: 1924-02-13
Abstract: 229,481. Blakeborough, R. A., and' Tart, H. Feb. 13, 1924. Seats.-A renewable seat for a valve comprises a seat ring a provided with radially projecting lugs adapted to be passed through apertures b<3> in the upper flange of an annular groove formed in the seat aperture. After the lugs have been turned into tha groove the apertures are filled by legs c<1> on a member c held in position by the bonnet d. The seat may be made reversible and the seat opening may have a flange b<4> against which the seat beds
Patent GB-843823-A (GB)
Title: Improvements in transistor converter
IPC: H02M3/338
Filed: 1957-02-04
Abstract: 843,823. Transistor generating circuits. GENERAL ELECTRIC CO. Feb. 4, 1957 [Feb. 7, 1956], No. 3759/57. Class 40(6). [Also in Group XXXV] An arrangement for converting from one unidirectional voltage to another comprises a transistor oscillator whose output is rectified and which utilizes two transistors of different rating. As shown, two transistors 12, 16 are arranged so that the emitter-collector circuit of each is in series with a winding 21 or 22 of a transformer 20 and with a D.C. supply Es. The transformer, which has a saturable magnetic core of material 1 aving a substantially rectangular hysteresis loop, is provided with feedback windings connected through current limiting resistors 26, 27 to the base-emitter circuits of the transistors. A starting circuit comprises a battery 26b and switch 26a disposed across the resistor 26. In operation, with current flow in the winding 21 a voltage is induced in the winding 23 which increases the flow in the winding 21 until the core saturates when the current decreases. Thereupon a reverse voltage builds up in windings until transistor 16 conducts, and transistor 12 ceases. The current through transistor 16 then builds up to a maximum and decreases in a similar manner and the cycle is repeated so that an alternating flux s developed in the core producing an alternating voltage in an output winding 25. A rectifying element 28 is included in the output circuit so that current only flows for one half cycle when the transistor 12 is conducting and thus this transistor transfers all the power to the output circuit. The transistor 12 is therefore a highly rated transistor and as shown is of the NPN type, whereas the transistor 16 is of lower rating and is shown as a PNP type transistor. A unidirectional voltage is obtained across a filter circuit 29, 30 in the output circuit. The number of turns in the winding 21 is greater than that of the winding 22 so that transistor 12 conducts for a longer time than transistor 16, thereby enabling the efficiency of the arrangement to approach that which arises in known arrangements when two transistors of high rating are used in combination with a full wave rectifying circuit.
Patent GB-799404-A (GB)
Title: Knitter's calculating disc
IPC: D04B35/00
Filed: 1955-02-09
Abstract: 799,404. Calculating-apparatus. KLEINER, I. (Poulin, P.). March 23, 1955 [Feb. 9, 1955], No. 3811/55. Class 106 (1). A calculating device for reading off the number of rows and stitches per row pertaining to a given area of knitting, comprises an apertured base-plate 1 having rotatably mounted thereon circular logarithmic scales 2, 3 concentric with a third logarithmic scale C on the base 1. A standard sample of knitting is placed beneath the aperture 5, e.g. a 2 inch square, and the number of rows and stitches per row within the aperture counted. The rotatable scales are then adjusted until the number of stitches per row (scale b) and the number of rows (scale c) in question, are aligned with the arrows 6 on the " length " scale a which correspond to the aperture size. Then for any length of knitting read off on scale a, the corresponding numbers of stitches or rows are read off on the scales b, c.
Patent GB-992691-A (GB)
Title: Improvements in servo actuators
IPC: F15B9/10
Filed: 1961-02-01
Abstract: 992,691. Fluid-pressure servomotor systems. NEWMAN HENDER & CO Ltd., and A. B. DICKIE. Jan. 18,1962 [Feb. 1, 1961],No.3821/61. Heading G3P. A servo actuator comprises a slidable control valve member 5 co-operating with a seat 6 to control the supply and exhaust of fluid to opposite sides of a piston 1. The piston 1 is connected to an actuator shaft 4 and carries a plunger 30 slidable in an enclosed space 27 filled with liquid such that movement of the piston 1 in response to movement of the valve member 5 causes the liquid in the space 27 to move the seat 6 to recentre the valve. The control valve may be located on the side of the cylinder.
Patent GB-286855-A (GB)
Title: Improvements in or relating to centrifugal apparatus for the treatment of sludge
IPC: B04B15/06
Filed: 1927-02-10
Abstract: 286,855. Elsmore, E. C., Holford, H. J., and Bishop, A. Feb. 10, 1927. Strainer separators. - Apparatus for treating various kinds of sludges has a rotor a with a horizontal axis and a number of ports e covered with gauze for the discharge of liquid; a sliding scraper is provided for the removal of the solids. The exterior surface of the rotor has flanges g which engage rollers h in supports i, and this arrangement permits the operation of the rotor by the motor d through gearing c. Material is supplied through a stationary tube p and the strained liquid, thrown off centrifugally, passes away through the pipe r. The solids accumulate in the rotor and the gauze-covered ports are cleared of solids by air under pressure supplied through the pipe u and expanded nozzles s. Discharge of the solids is effected by a sliding scraper which consists of a flexible annulus k mounted on a rigid annulus l and operated by hand or power.
Patent GB-323669-A (GB)
Title: Dolls and toy animals
IPC: A63H3/14
Filed: 1929-02-05
Abstract: 323,669. King, G. W. Feb. 5,1929. Animals; dolls; mechanical toys.-In dolls, toy animals, or the like, the depression of a plunger mechanically coupled to the head causes the latter to turn, release of the plunger allowing both the head and the plunger to return to their normal positions under the action of a spring. The head of the toy is fixed to extensions 2 on a plate 1 which is rotatably mounted on balls 10 between two fixed plates 9, 9, said plate 1 being rotated by the operation of a plunger 6 pivoted on the crank 4 integral with the rod 3 and plate 1. For rigidity, the lower end of rod 3, which is contained in a tube 11, rests in the cup 5 of a holed plate 12 to which the covering of the toy may be stitched. Nodding may be provided for by mounting the head on a horizontal pivot as shown in Fig. 3 the neck being flexible enough to allow of both movements. The above devices may be used in combination wth any suitable means for permitting or making other parts such as eyes and limbs move.
Patent GB-588407-A (GB)
Title: Improvements in suction hydro-extractors
IPC: D06B15/04
Filed: 1945-04-16
Abstract: 588,407. Drying fabrics. JELLINEK, C. M. M. April 16, 1945, No. 3932. [Class 34 (i)] A suction hydro-extractor for the treatment of textile fabrics comprises a tube A through which the fabric D is drawn in rope form by a winch E. The lower half of the central section of tube A is perforated and surrounded by an airtight sleeve C communicating with a suction line B. Alternatively slots may be employed in place of perforations and two suction lines may communicate with separate apertures on each side of the central section of tube A.
Patent GB-228354-A (GB)
Title: Improvements in magnifying lenses
IPC: G02B25/02
Filed: 1924-02-15
Abstract: 228,354. Bracey, R. J., and Bech, C. J. Feb. 15, 1924. Lenses.-An increase of illumination over the portion of an object, under examination with the aid of a magnifying-lens, is effected by combining a mirror and a lens. A positive lens consisting of two or more lenses cemented together has one surface of contact silvered except for an aperture near the centre, to form a reflector. The curves of the lenses are so arranged that the total refracting focal length is approximately equal to the total reflecting focal length. The silvered surface may be other than at rightangles to the line of sight. In a modification a single meniscus lens is used, the radii of curvature being such that the resulting mirror has approximately the same focal length as the lens.
Patent GB-1450625-A (GB)
Title: Distillation apparatus
IPC: B01D1/22
Filed: 1974-01-29
Abstract: 1450625 Distillation apparatus SECO MASCHINENBAU GmbH & CO KG 29 Jan 1974 [2 Feb 1973] 3961/74 Heading BIB A distillation apparatus comprises a plurality of superimposed annular steam heated plates 30-34 each having an associated rotatable arm 38 carrying scraper blades 39 inclined at an angle to the axis of the arm. In use the solution to be purified is fed in through line 41 and flows downwardly through the chamber 35 in cascade manner as indicated by line 48. The residue is discharged into channel 43 which contains screw conveyor 44 and may be heated by steam from inlet 46. The vapour is discharged through outlet 47 to a condenser (not shown) and the heat extracted in the condenser may be used in heating the plates 30-34.
Patent GB-130557-A (GB)
Title: Improvements in or relating to Automatic Cut In and Cut Out Electric Switches.
IPC: H01H50/24
Filed: 1919-02-18
Abstract: 130,557. Fuller Accumulator Co., and Welch, A. P. Feb. 18, 1919. Contacts. - In an electro-magnetic cutin and cut-out switch, a self-alining contact C of comparatively large mass and provided with heatradiating fins L is employed. The contact is formed with a neck E sliding in a slot F in the end of a metallic blade D carried by the armature K. A spring G carried by the blade D engages the head R of the contact and holds the contact yieldingly in position. The neck E of the contact fits loosely in the slot F so that the contact can automatically aline itself with the face of the fixed contact A.
Patent GB-1287725-A (GB)
Title: Optical mark reading apparatus
IPC: G06K7/10
Filed: 1970-01-27
Abstract: 1287725 Thresholding pulses INTERNATIONAL BUSINESS MACHINES CORP 27 Jan 1970 [7 Feb 1969] 4005/70 Heading H3T [Also in Division G4] In a photo-electric card reader a mark is indicated if the ratio of the reflectivity of the background, i.e. the unmarked card, to that of the mark is greater than a certain value. The card is driven by rollers over a linear array of phototransistors which read the card column by column. Each phototransistor (33, Fig. 2, not shown) detects light reflected from a respective row and passes a signal to input 48 of an amplifier giving an output at 50. When the output level represents the background a capacitor 54 is charged to this level. When a brief subsequent signal occurs, of lower amplitude than the background signal, capacitor 54 maintains the background signal level across resistor 56 and current flows in resistor 57. If the current in 57 is equal to or less than that in 56 the base current of transistor 58 falls to zero and the transistor turns off, a mark-indicating signal appearing at output 60. A second resistorcapacitor arrangement 66-68 provides a reject signal should a different reflectivity ratio be exceeded. Since the capacitors charge to the background level cards of different colours can be read without adjustment of the circuits, and the marks are correctly indicated in spite of slow variations of signal, e.g. due to supply voltage changes.
Patent GB-396741-A (GB)
Title: Manufacture of 2-(3-hydroxynaphthyl-2)-4-hydroxy-6:7-benzo-pseudo-aziminobenzenes and azo-dyestuffs therefrom
Filed: 1933-02-09
Abstract: 2-(3<1>-Hydroxynaphthyl-2<1>)-4-hydroxy-6 : 7-benzopseudoaziminobenzenes are made by coupling a diazotized 2-amino-3-naphthol in which the OH group is protected, with a similar compound, converting the o-aminoazo dyestuff thus obtained into the pseudoazimine and splitting off the radicals linked to the oxygen of the original OH groups.  In examples (1) the o-aminoazo dye obtained by coupling diazotized 2-amino-3-(4<1>-methylbenzene-sulphonyl-hydroxy)-naphthalene with itself is treated with thionylchloride in xylene and the product hydrolysed, (2) the o-aminoazo dye from diazotized 2-amino-3-methoxynaphthalene is oxidized by air in presence of pyridine and copper sulphate and the dimethoxyazimino compound is treated with hydrobromic acid in glacial acetic acid to split up the alkoxy groups; 2-(3<1>-hydroxynaphtyl- or 7<1>-bromonaphthyl-2<1>)-4 hydroxy-bz-4<11>-bromo-6 : 7-benzopseudoaziminobenzene may be similarly prepared; 2-(3<1>-hydroxy-7<1>-methoxynaphthyl-2<1>) -4-hydroxy-bz-4<11>-methoxy-6 : 7-benzopseudoaziminobenzene is made by treating the o-aminoazo dye from 2-(carboxybenzene-sulphonyl-hydroxy)-6-methoxy-3-aminonaphthalene (cf. Specification 379,862) as in (1), oxidizing to the corresponding pseudoazimine as in (2) and hydrolysing to remove the benzenesulphonyl group.  They have a good affinity for vegetable fibres.  Azo dyes, insoluble in water, are made in substance, on a substratum or on the fibre, e.g. cotton, viscose or animal fibres, by coupling the above azimino compounds with suitable diazo components. In examples, cotton is impregnated with 2-(3<1>-hydroxynaphthyl-2<1>)-4-hydroxy-6 : 7-benzopseudoazimino-benzene and developed with diazotized 2 : 5-dichloraniline (orange), (2) the azimino compound of (1) is coupled in substance with diazotized o-nitraniline.  A table is also given showing the shades obtained using the above-mentioned coupling components and the following diazo components : 2-methyl - 3 -, 4 - or 5 - chloraniline, 1-amino-4-methyl - 2 : 3 - dichlorbenzene, 1-amino-2-methoxy- or phenoxy-5-chlorobenzene, 1-amino-2-methyl-5-nitrobenzene, 1-amino-2-methoxy-4-nitro benzene, 4-amino-3 : 2<1>-dimethylazobenzene, 1-amino-4-benzoylamino-2 : 5-dimethoxybenzene, 4-amino-2 : 5-dimethoxy-4-nitroazobenzene, 1-amino-anthraquinone, o-chloraniline, 1 : 6-dibrom-2-naphthylamine, dianisidine, 1-amino-2-phenyl-sulphonylbenzene, 1-amino-4-benzoylamino-5-methoxy-2-chlorbenzene, 4-chlor-2-nitraniline, and 4-amino-4<1>-methoxydiphenylamine.
Patent GB-1444314-A (GB)
Title: Trace arrangem ent for simulation device
IPC: G06F17/50
Filed: 1974-01-29
Abstract: 1444314 Data processing system INTERNATIONAL STANDARD ELECTRIC CORP 29 Jan 1974 [31 Jan 1973] 04072/74 Heading G4A A data processing system includes two operational computers 1A, 1B each with an associated data store 8A, 8B, and a simulation computer 6 arranged to simulate the activity of a group of peripheral devices and to cause operational (status) data to be written by a selected one of the operational computers into its store following completion of the execution of an instruction and to access the stored data and transfer it to a peripheral store 12 associated with the simulation computer where it is available for further processing. The arrangement simulates operation in a real system comprising computers 1A, 1B and a group of peripherals and traces the operation of computers 1A, 1B. The storage of status data may be initated following completion of the first instruction after receipt of the order, by the nth occurrence of a given instruction address, or following execution of a specified instruction. The arrangement includes a timing system including counters which are rendered inoperative when status data is being saved &c. so as to maintain track of the simulated real operation of computers 1A, 1B. The peripheral store 12 may be a magnetic tape device, the memories 8A, 8B may be magnetic cores, and a backing memory 9, e.g. a magnetic drum, is provided. The computers have associated manual input peripherals.
Patent GB-553402-A (GB)
Title: Electric signalling systems
IPC: H04M15/08
Filed: 1942-03-28
Abstract: 553,402. Selective signalling. STANDARD TELEPHONES & CABLES, Ltd. March 28, 1942. Nos. 4168, 4169 and 4170. Convention date, Oct. 17, 1940. [Class 40 (i)] [Also in Group XXXIX] In a system for signalling numbers to a marker or an identifying circuit, each digit is signalled by a single impulse of a characteristic position in a time cycle. The impulses are sent over a common circuit to a number of discharge tubes which receive characteristically phased starting impulses. The tube that receives a starting impulse and a signal impulse simultaneously, breaks down to register the digit. Specification 551,328, [Group XXXIX], is referred to. Register-markers, Fig. 1 and Fig. 2 (not shown). A ten-phase generator 205 has its respective outputs connected to ten tubes 407 408 and to the terminals of A, B and C registers, the wipers of which are connected to tubes 318 .. 320. When the voltage of any phase approaches its maximum, the tubes to which it is connected break down and cause impulses to be sent over the corresponding timing wire of the groups 411 .. 412 and signal wires 321,. 325, 326. The marker comprises 1,000 tubes such as 301, 401. The A. signal wire 321 is connected to the starting electrode 306 of all the tubes, the co-operating electrode 307 being connected to the timing wire 411 .. 412 characteristic of the A. digit of the tube concerned. Consequently, when a signal of a particular phase is received over wire 321, all those tubes with the corresponding A digit are partially ionized and a discharge takes place over their electrodes 308 and anode relays 314 but the relays are not yet operated. In this case, the timing and signal impulses are of opposite sign. All the tubes have their electrodes 309 connected to the B signal wire and their cooperating electrode such as 310 connected to the timing wires corresponding to the B-digits of the tubes concerned. In consequence, in those ten of the hundred tubes in which a discharge was started by the A-digit that have a B-digit corresponding to that signalled, the discharge spreads to the electrode such as 311 to increase the current in the anode relay but not sufficiently to energize it. In this case the signal impulse is of the same sign as the timing impulse. In a similar way, the discharge spreads to the main anode 305 in that one of the ten tubes in which it has reached the electrode 311 that has the C-digit signalled over the wire 326 and the corresponding anode relay 314 then pulls up. In a modification, Fig. 2 (not shown), in which the B-digit controls a separate group of tubes, the differently phased impulses are produced by feeding to the starting electrodes of the respective impulse-producing tubes, alternating currents of the same phase but different amplitudes so that ionization takes place at different points in the cycle.
Patent GB-433209-A (GB)
Title: Combined brassiere and belt
IPC: A41C1/06
Filed: 1934-02-08
Abstract: 433,209. Body belts; brassieres. ADLER, D., 122A, King's Road, Chelsea, London. Feb. 8, 1934, No. 4205. Addition to 366,271. [Class 141] A brassiere as claimed and described in the parent Specification has a body belt attached to its central portion a<1> either permanently or detachably, e.g. by buttons and loops. The body belt comprises three inelastic sections b, b<1>, b<2> and three elastic sections c, c<1>, c<2>.