baber/WOPTO huggingface dataset:
Patent GB-325874-A (GB)
Title: Improvements in or relating to circuit arrangements for controlling temperature, voltage, speed or the like
IPC: G05D23/20
Filed: 1928-11-22
Abstract: 325,874. Dicker, S. G. S., (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). Nov. 22, 1928. Regulation, automatic.-In a thermionic valve circuit suitable for controlling temperature, voltage, speed, &c. a pointer 3 of a measuring instrument indicating the quantity to be controlled moves between stationary contacts 1, 2. The pointer is connected to a high voltage source 6, and condensers 7, 8 are connected between the stationary contacts 1, 2 and the opposite terminal of the source 6, the separation of the contacts 1, 2 being such that when the pointer 3 is in mid-position a disruptive discharge is just avoided. Leakage resistances 9, 10 are connected across the condensers. The condensers 7, 8 are also connected to a grid biasing battery 11 which applies the necessary bias to the grids 12, 13 of two triodes V1, V2, the anodes of which are connected to the primaries 19, 20 of two transformers to the anode battery 21. When the pointer 3 is in mid-position, the anode current through the primaries 19, 20 is negligible, but if a discharge takes place between the pointer and one of the contacts 1, 2, one of the grids becomes positive, and direct current flows in one of the primaries 19, 20. An alternating current supply passes through the windings 22, 23, e.g. to an electric furnace 5, and a third winding 24 is supplied by a battery 25, the magnetization being contrary to that of the anode current in the winding 19. When the winding 19 is excited, the current in the winding 22 consequently increases, and when the winding 20 is excited, the current in the winding 23 decreases, due to corresponding variations in inductance. Specification 221,583, [Class 40 (v), Wireless signalling &c.], is referred to.
Patent GB-791756-A (GB)
Title: Process for the production of combustible gases from liquid hydrocarbons
Inventor: WEST HARRY LONGHURST
IPC: C01B3/30
Filed: 1954-11-26
Abstract: 791,756. Coking and gasefying liquid hydrocarbons. ESSO RESEARCH & ENGINEERING CO. Oct. 25, 1955 [Nov. 26, 1954], No. 34431/54. Classes 55 (1) and 55 (2). In a process for producing combustible gases from liquid hydrocarbons, the hydrocarbon is contacted in a coking zone 1 with a fluidized bed of coke-covered particles to produce a stream of gas leaving by line 4, coke-covered particles are continuously withdrawn by line 6 and passed to a heating zone 7 where they are heated by partial combustion, the heated cokecovered particles being in part recycled to the coking zone 1 by lines 12 and 5 and in part passed by lines 12 and 14 to a secondary heating zone 13 and further raised before transfer by line 17 to a gasefication zone 18 where they are gasefied with steam to produce a stream of water gas leaving by line 23 and mixing with the gas produced in the coking zone 1. Residue from the gasefication zone is returned to the heating zone 7 by line 20. The liquid hydrocarbon has a viscosity not less than 45 S.S.U. at 210‹ F. and preferably not less than 160 S.S.U. at 210‹ F. and may be a petroleum hydrocarbon. The temperature in the coking zone may be between 1450-2200‹ F., preferably between 1800-2200‹ F., and in the gasefication zone may be between 1600-2500‹ F., preferably between 1800-2200‹ F. The pressure in the gasefication zone is preferably between 25-125 p.s.i.g. and the amount of steam supplied thereto is usually from 30-200 wt. per cent based on the liquid feed to the coking zone. When the coking zone is operated at temperatures above 1600 ‹F. the secondary heating zone 13 may be omitted and either or both of the heating zones may be a transfer line burner with settling zones and cyclones. Specification 791,754 is referred to.
Patent GB-1255675-A (GB)
Title: An n-input aperiodic hybrid coupler
IPC: H03H7/48
Filed: 1969-07-09
Abstract: 1,255,675. R.F. couplings. THOMSONC.S.F. 9 July, 1969 [10 July, 1968], No. 34664/69. Heading H4A. An aperiodic hybrid coupler for feeding power into a single load from a number n, greater than two, of sources (or vice versa) comprises n pairs of lines or conductors. A ferrite core or sheath is associated with each pair, and an end of a first conductor of a pair is connected to a source and an end of a second conductor of the pair is connected to the load. An associated resistance network comprises n resistors and has n terminals, and each terminal is connected to other ends of one first conductor of a pair and one second conductor of another pair. In a first embodiment the resistance network comprises resistors R 1 , R 2  ... R n , Fig. 2, connected in ring formation. Pairs of lines L 1 , L 2  ... L n , which are coupled by ferrite sheaths, are each connected at one end across a network resistor and at the other end to an individual energy source (G 1 , G 2  ... G n ) and to a common load R c . If each source has an internal resistance equal to R, the load resistance is made equal to R/n, and the network resistors are each made equal to R. In a second embodiment (Fig. 4, not shown) the network resistors are arranged in star formation. In this case, if each source has an internal resistance equal to R, and the load resistance is made equal to R/n, each network resistor is made equal to (n-1)R/n. The pairs of lines may be provided with a common core, instead of having individual cores and they may be constituted by coaxial cables, or strip lines, or twisted pairs.
Patent GB-191273-A (GB)
Title: Improvements in switches for starting electric motors
Filed: 1921-12-23
Abstract: 191,273. Buckley, C. A. M. Dec. 23, 1921. Controllers.-A starting-switch for an electric motor, such as is used for starting internalcombustion engines, comprises a plunger-like member 1, Fig. 1, which is first rotated and then moved longitudinally. The rotational movement carries a pivoted finger 12, Fig. 5 into and out of contact with stationary segments 14, 15, Fig. 2 so as to send current momentarily through a resistance b, Fig. 11 to the motor c, and also unlocks the plunger for longitudinal movement, which then brings a main control into position to complete the motor circuit without the resistance. Springs 9, 10 return all the members to the starting position when the handle is released. The back part of the pivoted finger is formed of insulating material 13, so as to avoid the making of a circuit during the return movement. Other devices, such as curved guides for the moving finger may be used for the same purpose.
Patent GB-815637-A (GB)
Title: Improvements in gear checking
Inventor: FLAIR HENRY JOSEPH
IPC: G01M13/02
Filed: 1956-11-13
Abstract: 815,637. Gauging toothed gears; recording-apparatus. ILLINOIS TOOL WORKS. Nov. 13, 1956, No. 34688/56. Classes 106 (2) and 106 (4). A detachable recording attachment 12, for use with a handrolling gear-checking machine of the type in which relative displacement of slides 16, 18 carrying meshing gears 30, 42 actuates a dial indicator 48, comprises a support 52 adapted to be positioned between the slides 16, 18 and detachably secured to the base 14, means 82, 124 carried by the support 52 for recording the results of a gear-checking operation on paper 68 mounted on the support, and means 92, 108, 114 for driving the gear 42 and recording paper 68 in timed relationship. A motor 92 on the support 52 drives the gear 42 through a chain 108 and a gear 114 meshing with a crown rack 118 fixed to the shaft 40 carrying the master gear 42. The motor 92 also drives the paper 68 through a clutch 96, a shaft 98 and rollers 100, 102. The recording instrument 84 may be of any known type and includes means 74 for lowering the paper roll for reloading, a pen-lifting bar 88, and a knob 104 for manually moving the paper 68 when the clutch 96 is disengaged.
Patent GB-750027-A (GB)
Title: Improvements in pasteurizing and sterilizing apparatus
IPC: A23C3/037
Filed: 1953-12-14
Abstract: 750,027. Sterilizing liquid and semi-liquid substances. CIBOIT, J. J. Dec. 14, 1953 [March 5, 1953], No. 34800/53. Class 49. In apparatus for sterilizing liquid or semiliquid substances, e.g. milk, milk compositions, cream, fruit juice, wherein the substance is injected into a chamber and is therein treated by injected steam, there is provided means actuated by variations of pressure inside the chamber to adjust the steam admission valve thereto and maintain the pressure of saturated steam therein at the value corresponding to the desired temperature of treatment. The apparatus may include a surface heat exchanger to which steam from the sterilizing chamber is fed and through which the substance passes before its injection into this chamber. With the apparatus of Fig. 1, the substance fed through a pipe 2 is injected by an atomizing nozzle 3 into a chamber 1 ; steam is fed by way of a pipe 4 through ports 6 into the chamber ; opening of a steam admission valve 5 in the pipe 4 is adjusted by a diaphragm relay 7 which is in connection by a pipe 8 with the interior of the chamber 1 ; preliminary heating of the substance in the pipe 2 is effected by a heat exchanger 9 fed by way of a duct 10 with steam from the chamber 1. With the apparatus of Fig. 2, the substance fed through a pipe 2<SP>1</SP> is injected by an atomizing nozzle 3<SP>1</SP> into a chamber 1<SP>1</SP>; steam is fed by way of a pipe 4<SP>1</SP> through ports 6<SP>1</SP> into the chamber 1<SP>1</SP>; opening of a steam admission valve 51 in the pipe 41 is adjusted by a relay 7<SP>1</SP> which is in connection by a pipe 8<SP>1</SP> with the interior of the chamber 1<SP>1</SP>; steam-treated substance collecting at the base of the chamber 1<SP>1</SP> is injected through an atomizing nozzle 13 into an expansion chamber 12, and the steam so evolved is led by a duct 14 to a heat exchanger 15 wherein the substance passing through the pipe 2<SP>1</SP> to the chamber 1<SP>1</SP> is heated. With the apparatus of Fig. 3, the substance fed through a pipe 2<SP>1</SP> is injected by an atomizing nozzle 3<SP>1</SP> into a chamber 1<SP>1</SP>; steam is fed by way of a pipe 4<SP>1</SP> through ports 6<SP>1</SP> into the chamber 1<SP>1</SP>; opening of a steam admission valve 5<SP>1</SP> in the pipe 4<SP>1</SP> is adjusted by a relay 7<SP>1</SP> which is in connection by a pipe 8<SP>1</SP> with the interior of the chamber 1<SP>1</SP>; steam-treated substance collecting in the base of the chamber 1<SP>1</SP> is injected through an atomizing nozzle 13 into an expansion chamber 12, and the steam so evolved is led by a duct 14 to a heat exchanger 15 wherein the substance passing through the pipe 2<SP>1</SP> is heated ; the substance passing through the pipe 2<SP>1</SP> is heated further, before reaching the nozzle 3, by a heat exchanger 91 fed by a duct 101 with steam from the chamber 11.
Patent GB-1173119-A (GB)
Title: Process for Obtaining Level Dyeings on Polyamide Fibres
Inventor: BILGER XAVIER
IPC: D06P1/613
Filed: 1968-07-22
Abstract: 1,173,119. Dyeing synthetic polyamides with metal complex dyes. UGINE KUHLMANN. 22 July, 1968 [21 July, 1967], No. 34814/68. Heading D1B. Level shades are obtained on synthetic polyamide materials using metal complex dyes by dyeing in presence of a non-ionic compound of formula in which R is a C 1-4  alkyl group, X is a whole number from 20-60 inclusive, the sum of Y+Z is a whole number 10-50 inclusive. The polyamide materials may be treated with a compound of the above formula at 40-100‹C the dye being added to the bath afterwards, mixtures of the above compounds may be used. 1-8% in weight of the polyamide of the non- ionic compound is preferably used, the dyeing preferably having a final pH of 3-8 and a temperature of at least 100‹C.
Patent GB-1142628-A (GB)
Title: Method of manufacturing organic polyisocyanates
Inventor: SUZUKI SABURO
IPC: C07C/
Filed: 1966-08-03
Abstract: 1,142,628. Polyisocyanates. MITSUBISHI CHEMICAL INDUSTRIES Ltd. 3 Aug., 1966, No. 34835/66. Heading C2C. Polyisocyanates are manufactured by introducing HC1 into a 5-18 wt. per cent solution of a polyprimary amine in an inert organic solvent at 40-150 C. until 30-95% of amine groups are converted to hydrochloride, and contacting the resulting slurry with phosgene. The preparation of tolylene (2,4- and 2,6-), 1,5 - naphthalene, 4,41 - diphenylmethane and hexamethylene diisocyanates is exemplified.
Patent GB-1268614-A (GB)
Title: Improvements in and relating to heat developable diazotype photosensitive materials
IPC: G03C1/60
Filed: 1970-07-20
Abstract: 1,268,614. Heat developable diazotype materials. RICOH K.K. July 20, 1970 [Sept. 8, 1969], No. 35027/70. Heading G2C. Heat developable two-component diazotype materials are prepared by coating a support with an aqueous dispersion of polyvinyl acetate, silica, one or more aliphatic amines and a coupler or coupler generator of formula:- wherein R 1  and R 3  are hydrogen, hydroxyl, alkyl with 1-4 carbon atoms, aralkyl, acetyl, carboxyalkyl or halogen and R 2  is hydrogen, hydroxyl, alkyl, alkoxy or hydroxyalkoxy with 1-4 carbon atoms, carbamoyl, carbamoyloxy, acetoxy, hydroxymethyl, paramethylbenzoyloxy, propionyloxy or sulpho, drying this to form a layer and then applying a layer containing a diazonium compound. The light-sensitive layer may also contain calcium gluconate and dicyandiamide. The diazomium compound may be of one of the formula wherein R 1  and R 2  are hydrogen, alkyl with 1-6 carbon atoms, hydroxyalkyl with 1-5 carbon atoms, dihydroxyalkyl with 3-5 carbon atoms or benzyl; Y 1  and Y 2  are hydrogen, alkoxy with 1-5 carbon atoms, carboxyl, benzyl or halogen; X is halogen and 2 is hexamethyleneimino morpholino, thiomorpholino, pyrollidino, piperidino and N-(alkyl or hydroxyalkyl) piperazino.
Patent GB-873845-A (GB)
Title: Automatic cathodic protection system
Inventor: FRY EUGENE M
IPC: C23F13/04
Filed: 1957-11-11
Abstract: 873,845. Automatic control systems for cathodic protection. ENGELHARD INDUSTRIES Inc. Nov. 11, 1957, No. 35077/57. Class 38 (4). In a cathodic protection control system the potential between a reference potential and a metallic surface is maintained constant by varying the current to immersed anodes. As shown, the potential difference between a silver chloride reference electrode B and a hull is opposed by the voltage developed across a resistor 12 by a reference battery A. The resultant current energizes a coil 11 of a sensing relay C having a moving arm 16 which takes up a position touching a contact 17 or 18 or intermediate between. The rotation of a motor G is determined by relays 20, 22 connected to contacts 17, 18. The motor drives the sliding contact 21 of a variable-ratio auto-transformer 19 supplying current to a platinum anode through a rectifier 25. The sequence of operations is controlled by a timing device actuating by cams a switch 1 de-energizing a re-set solenoid 14 of the sensing relay C, a switch 2 energizing the power relays 20, 22 and a switch 3 energizing the motor G. Specification 873,846 is referred to.
Patent GB-946909-A (GB)
Title: Improvements in improved axial flow vapor-liquid separator
IPC: B01D45/08
Filed: 1962-09-14
Abstract: 946,909. Centrifugal separators. GENERAL ELECTRIC CO. Sept. 14, 1962 [Sept. 18, 1961], No. 35107/62. Heading B2P. In a vapour-liquid separator 70, the vapourliquid mixture entering axially at one end 78 of an elongated vortex tube 74 is whirled by vanes 80 adjacent that end for producing a vapour vortex surrounded by a liquid vortex which are discharged respectively through a central axial tube 98 and through a first 180 degrees flow-reversing, annular passage 88, 94 defined by tubes 86, 92 and an interconnecting plate 90 surrounding, and spaced apart from, the other end of the tube 74, a second 180 degrees flow-reversing annular passage 100, 106 being formed around the tubes 86, 92 and plate 90 by the tube 98, a plate 102 and a tube 104 to remove from the entrance to the first annular passage 88, 94 liquid spillage produced by a portion of the vortex liquid which is induced by eddy currents to flow as a boundary layer inwardly along the lower surface of the plate 90 and downwardly along the outer surface of the tube 98. The vanes 80 have curved upper ends and are mounted between a hub 82 and a conical end portion 76 of the vortex tube 74. Alternatively, the end portion 76 is eliminated and the cylindrical body of the vortex tube is extended to the inlet opening 78. Straightening vanes 95 curved at their upper ends are provided in passage 94 to arrest the rotary motion of the liquid vortex. The tube 104 is surrounded at its outlet end by a mass 110 of fluid-permeable contact material through which the boundary layer liquid discharge is diffused to prevent disturbance of the liquid surface 112 of the body 114 of liquid surrounding the separator. The separator is surmounted by a dryer 72 comprising a housing 120, which may be a continuation of tube 104, a top plate 122 and a perforated inner cone 124 having an imperforate truncated conical bottom 128 provided with a central outlet opening 130. The vapour vortex passes from the tube 98 through an annular passage of increasing cross-sectional area formed between the bottom 128 and a ring 136 of triangular cross-section and has its Ginetic energy reduced by a drying mesh 144 which removes entrained droplets of liquid from the vapour and causes them to accumulate at 142 before overflowing through openings 132 at the lower end of the housing 120. The vapour now at reduced rotary velocity passes through the perforated cone 124 and a second drying mesh 146 where its Ginetic energy is finally destroyed and the last droplets of liquid are removed to be drained through opening 130 along the axis of the vapour vortex and returned to the liquid vortex. A number of separators may be used as steam separators in a boiling water nuclear reactor. Relative dimensions and performance figures of the separator are given.
Patent GB-1116357-A (GB)
Title: Improvements relating to electrical power couplings
IPC: H02H9/02
Filed: 1965-08-17
Abstract: 1,116,357. Tuned interconnectors for A.C. networks. LICENTIA PATENT-VERWALTUNGS-G.m.b.H. 17 Aug., 1965 [17 Aug., 1964], No. 35208/65. Heading H2H. A current limiting coupling between two A.C. networks includes a series resonant circuit tuned to the fundamental frequency of the alternating current, and means for de-tuning the circuit in steps for different values of fault current. The de-tuning means is connected across the capacitive part of the resonant circuit, and may include a tapped inductance associated with two transductors which effect the desired step variation (Fig. 3, not shown).
Patent GB-1193765-A (GB)
Title: Improvements in or relating to Cooling Means for Cold-Rolling Pilgrimming Mills
IPC: B21B45/02
Filed: 1968-07-24
Abstract: 1,193,765. Rolling tubes. MANNESMANNMEER A.G. 24 July, 1968 [9 Aug., 1967], No. 35257/68. Heading B3M. A cooling arrangement for a cold rolling pilgrimming mill includes coolant outlet nozzles 4, 4<SP>1</SP> carried on a reciprocating housing 1 and connected to a stationary coolant supply 8. The connections include pipes 5, 6, and 6<SP>1</SP> and fluid-tight joints 7, 7<SP>1</SP> and 7<SP>11</SP>. The pipes are arranged centrally beneath the rolls of the mill.
Patent GB-318442-A (GB)
Title: Improved clothes airer
IPC: D06F57/12
Filed: 1928-11-30
Abstract: 318,442. Hardman, E. Nov. 30, 1928. No Patent granted (Sealing fee not paid). Brackets.-A clothes airer comprises a pair of spaced arms having openings a for supporting clothes-rods and adapted to be clamped to a shelf. In a modification, the arms are pivotally supported in brackets e, Fig. 2, and h, Fig. 3, secured to the sides of a fireplace and a shelf respectively. Fig. 4 shows another arrangement in which the inclination of the arms is adjustable.
Patent GB-411844-A (GB)
Title: Improvements in turbo-compressors or similar rotating compressors for the supply of energy to the live or intermediate steam of reciprocating steam engines in steam power plant
IPC: F01K19/02
Filed: 1932-12-13
Abstract: 411,844. Steam engines. AKTIEBOLAGET GOTAVERKEN, Gothenburg, and JOHANSSON, J. E., 5, Kungsgatan, Gothenburg, both in Sweden. Dec. 13, 1932, No. 35307. [Class 122 (iii).] In a reciprocating steam engine wherein the initial steam supply 11, or the intermediate steam, has its pressure and temperature increased by a turbocompressor or similar rotatmg compressor 8 which may be driven by a turbine 7 driven by the exhaust steam of the reciprocating engine, the compressor is constructed with its maximum efficiency occurring at a volume of steam exceeding the average quantity of steam conveyed per unit of time by from 25-150 per cent. The compressors may be arranged between any or all the stages of expansion 2, 3, 4 of the engine.
Patent GB-998749-A (GB)
Title: Improvements in or relating to the production of semiconductor elements
IPC: H01L21/145
Filed: 1963-09-10
Abstract: 998,749. Semi-conductor devices. SIEMENSSCHUCKERTWERKE A.G. Sept. 10, 1963 [Sept. 10, 1962 (2)1, No. 35735/63. Heading H1K. Semi-conductor elements such as selenium rectifiers are produced by coating a carrier electrode layer with semi-conductor, applying a screen-work of lacquer containing a thixotropic agent, other than via a mask to the semiconductor layer and then applying a second electrode to the exposed parts of the semiconductor. Figs. 3 and 6 show a plate 1 of selenium 3 on an iron or aluminium carrier layer 2, which has a pattern of lines 9 and 10 of lacquer printed thereon by means of an edged roller. The whole surface is then covered with a tin-cadmium alloy to provide the second electrode and cut along the lacquered lines to provide a plurality of rectifier elements as shown in Fig. 8; the residue of the lacquer 9 prevents short-circuiting of the junction between the second electrode layer 15 and selenium layer 9 and also raises layer 15 so that when stacked under pressure the central junction area of each element is pressure free. Instead of using printing rollers, the screen-work may be applied by causing the lacquer to flow from a reservoir 14 (Fig. 4) through a series of nozzles 12 on to the travelling plate 1. In a further modification an offset printing method is used to apply the lacquer on to the plate so as to leave a plurality of small circular semi-conductor regions. The lacquer may consist of silicone or alkyd resin and may comprise organic ammonium bases with montmorillonite compounds such as " Bentone " (Registered Trade Mark) in white spirit or xylene as the thixotropic agent, a pulverent filler such as mica, quartz meal or titanium dioxide, and a siccative oil such as linseed or soya bean oil. The lacquer may be 5Á thick. Specification 561,873 is referred to.
Patent GB-1077447-A (GB)
Title: Motor speed control system
Filed: 1964-09-01
Abstract: 1,077,447. Transistor circuits. GLOBE INDUSTRIES Inc. Sept. 1, 1964 [Nov. 7, 1963], No. 35792/64. Heading H3T. [Also in Division H2] An A.C. motor M is supplied with square waves from a push-pull amplifier driven by a D.C. energized constant frequency oscillator. The motor has two phase windings 11, 17, the halves of 17 being energized alternately with unidirectional square pulses. The amplifier comprises two pairs of cascade connected transistors 53, 54, 153, 154 and input transistors 52, 150. The latter are connected to a flip-flop stage 40, 41 through zener diodes 50, 51 which prevent the passing on of leakage current during " off " periods of the flip-flop transistor. Also, the transistors are reversed biased by any leakage currents by resistors 55, 56, 155, 156 and diodes 60, 61, 160, 161. The oscillator comprises a transistor 22 and C-L circuit 23, 24 and an amplifying transistor 34. Energy is supplied by a battery B or rectified A.C. Transistors in the output stage are protected from the result of transient high voltages in the supply by a circuit comprising resistors 71, 73, zener diode 72 and transistor 74; break-down of 72 causes 74 to conduct to saturation, draining current through resistors 55, 155. Transistors 53, 54 and 153 also saturate and output to the motor is temporarily suspended. The motor windings are protected from switching surges by capacitor 63 and resistor 64. A de-coupling network 65, 66 prevents the flip-flop from influencing the oscillator.