baber/WOPTO huggingface dataset:
Patent GB-180471-A (GB)
Title: Improved method and apparatus for pre-heating fuel oil for use in oil burning furnaces
IPC: F23K5/20
Filed: 1921-03-18
Abstract: 180,471. White, W. A. March 18, 1921. Heating liquids.-Oil for use in oil-burning furnaces is drawn by pumps from the bottom of the oil tank or tanks, and after passing through one or more heaters is returned to the oil tanks or delivered to separate tanks from which it is supplied to the furnaces. In the arrangement illustrated, oil from a tank T is drawn by a pump P through a main suction pipe a, and after being passed through heaters c is delivered through a pipe g to a main discharge pipe h which is connected by valve-controlled branch pipes h<1>, h<2> to the various storage tanks. The pipe a is connected to the pump P by a pipe d fitted with a strainer e. The oil heaters may be constructed as described in Specification 158,483. The delivery pipes to the tanks may be fitted at their discharge ends with spraying nozzles m provided with baffles m<1> to spread the oil entering the tanks into a thin film. The suction pipes a, d and the delivery pipe g, h may be steam heated. To facilitate starting, a small steam-heated grid n may be arranged at or near the suction orifice of one or more of the tanks.
Patent GB-713576-A (GB)
Title: Improvements in or relating to a liquid fuel burner
IPC: F23D5/00
Filed: 1952-04-03
Abstract: 713,576. Liquid-fuel burners. MINISTER OF NATIONAL DEFENCE OF HER MAJESTY'S CANADIAN GOVERNMENT. April 3, 1952 [April 9, 1.951], No. 8544/52. Class 75 (1) A liquid fuel burner has the fuel fed at low pressure to a fuel chamber 18, containing a capillary material and centrally mounted in an open ended burner bowl, whence the fuel is delivered through holes 19 for entrainment in primary air passing under pressure through jets 20, 21 arranged parallel to the longitudinal bowl axis, secondary air being supplied under pressure in transverse pressures through a plurality of holes 30 in the sides 28 of the burner bowl. The fuel chamber 18 is covered by a screwed cap 16 surmounted by a heat insulating pad 16a. Ignition is effected by an element 25. In the arrangement shown in Fig. 4, the burner 50 is removably clamped to a heating unit by means of bolt 51 and wing nuts 57. The heating unit is connected by pipes 44, 45 to the cooling system of an internal combustion engine and the hot gases from the burner 50 pass through a duct 61 and are directed on to the oil sump of the engine. Combustion air is supplied to the burner 50 by a motor driven blower 65. The burner is started by closing a switch 74, Fig. 5, in the upper position to operate a fuel pump 78, the blower motor 66 at reduced speed through a resistance 76 and to supply current to the igniter element 25. When the burner is alight the hot gases heat a flame detector element 63, located in the duct 61, and a contact B is moved out of engagement with contacts A and into engagement with contacts C to complete a circuit to a lamp 75 which indicates that the switch 74 should be moved to the lower position. The resistance 76 and the ignition element 25 are taken out of circuit when the switch is moved to the lower position and the motor 66 runs at full speed. Should the burner 50 be extinguished when the switch 74 is in the lower position the contacts B move out of engagement with the contacts C to stop the motor 66 and the pump 78 and to extinguish the lamp 75. When the burner 50 is shut down the switch 74 is moved to the nuetral position to stop the pump 78, the motor 66 however continues to run until all the fuel left in the burner is burnt and the burner goes out; the element 63 then cools and contacts B and C separate to stop the motor 66. In a modification, Fig. 2 (not shown), the fuel chamber is situated below the bottom of the bowl and the fuel is fed to the primary air stream through an annular space formed between the fuel chamber wall and a disc surmounting the chamber and supported on a rod mounted in the chamber base.
Patent GB-437169-A (GB)
Title: An improved light-metal alloy
IPC: C22C21/10
Filed: 1935-03-19
Abstract: Sliding-contact machine parts such as bearings, guides, pistons, &c., are made of aluminium alloys containing 1-12 per cent of copper, 0,3-12 per cent of zinc, and 0,5-10 per cent of iron.  Preferably the proportions of copper and zinc are about equal.
Patent GB-959797-A (GB)
Title: Improvements in or relating to the manufacture of drawing dies
IPC: B23P5/00
Filed: 1961-03-09
Abstract: 959,797. Casting composite articles. PHILIPS ELECTRICAL INDUSTRIES Ltd. March 9, 1961 [March 12, 1960], No. 8666/61. Heading B3F. A diamond die is made by supporting a drilled diamond 17 in an oversize metal setting 9, placing a metal, e.g. cast iron, ring 18 of lower melting point than the setting 9 around the diamond and melting it in the concentrator 7 of a high-frequency generator. After solidification, the top edge 15 of the setting is milled off, the nickel centring tube 24 removed and a conical opening provided in the die. The chamber 1 is filled with inert gas before and during melting and the concentrator is fitted to an exhaust system via a duct 14. The ring 18 may comprise a cover ring portion 19 of a non- oxidizing metal of a lower melting point than the portion 18, which sinks down into the H.F. field after the portion 18 has melted, and is melted to form a protective cover on the cast iron of the portion 18. The setting may be " Monel " (Registered Trade Mark) metal or an iron-nickel-cobalt alloy having about 28% nickel and 18% cobalt, and the cover ring may be of a nickel-manganese alloy consisting of about 60% nickel and 40% manganese.
Patent GB-458584-A (GB)
Title: Improvements in or relating to wall plugs
IPC: F16B13/02
Filed: 1935-03-20
Abstract: 458,584. Wall plugs. NELSON, H. C., 104, Victoria Road, GREENWOOD, J. B., 8, Honiton Road, and BACKHOUSE, J. J., 1, Thorpe Arcade, all in Southend-on-Sea. March 20, 1935, No. 8722. [Class 89 (i)] A wall plug is formed from a length of Chinese cane centre which has a rounded entry end C and a tapered bore B. This bore is filled with beeswax and turpentine. To preserve the plug it may be impregnated with a mixture containing beeswax, turpentine and potassium permanganate. The outer surface of the plug is knurled. British Specifications 323,583, [Class 89 (i)], and 412,631, [Group XXV], and U.S.A. Specifications 1,930,470 and 1,959,463 are referred to.
Patent GB-253645-A (GB)
Title: New or improved protective device or arrangement for the circuits of electric train lighting and similar installations
IPC: H02J7/14
Filed: 1925-04-02
Abstract: 253,645. Stone &. Co., Ltd., J., and Honey, A. E. April 2, 1925. Protective arrangements; controlling lighting and heating systems.-A protectivce arrangement for a circuit of a train-lighting or like installation comprises an electromagnetic switch, the coil of which is arranged across the terminals of a fuse so as normally to be insufficiently energized to operate the switch, but on blowing of the fuse due to breakdown in the circuit the coil becomes sufficiently energized to operate the switch so as to alter the circuit conditions as to re-establish safety conditions. In the form shown in Fig. 1, the fuse f between the battery and main dynamo lead is shunted by the potential coil g of an electromagnet, the armature h of which is carried on a lever j controlled by a spring k operating to one side or other of the pivot axis. Normally the coil g is not energized enough, but if the fuse blows there will be a large potential difference across the coil, particularly on a short circuit or if the train speed is high enough to give a large dynamo voltage or removal of the controlling force of the battery. The armature h is thereby attracted and opens the circuit of the field e. In a modification the armature is adapted to insert a resistance across the dynamo to maintain the output and reduce the voltage across the lamps. In Fig. 3, fuses f, f<1> are inserted in two leads from an alternator having three slip rings s and field winding t which is connected to the cut-in switch c so that the alternator is only excited when the dynamo is cut in. The alternator is driven from the carriage axle and may be connected directly with heaters for example, and the lever j may have fiats or notches engaged by spring blades k<1>. On the blowing of either fuse, the field winding t is opened. The switches may be adapted to insert another fuse, which may be of higher rating, before performing the safety operation, as shown in Fig. 4, extra contacts u, u<1>, between which is a fuse v, being provided. When the fuse f blows the fuse v is inserted, and if fuse v blows the core is pulled down against the resistance of the brushes u u<1> and opens the field winding if that is the selected safety operation to be performed.
Patent GB-116756-A (GB)
Title: Improvements in Valves for Air Compressors and the like.
IPC: F04B39/10
Filed: 1917-06-20
Abstract: 116,756. Broom, H. S., and Broom & Wade. June 20, 1917. Check lift valves. -A non-return valve for air-compressors &c. comprises an annular disk 8, a seating 2 formed with steps or ledges 4, 6, and a guard 10 provided with downwardly - extending fingers 12 which enclose and guide the valve disk. The seat and guard are secured together by a central bolt 9, and nut 15, as shown. A flat helical spring 14 rests in a channel in the guard and presses upon the back of the valve. More than one spring may be used.
Patent GB-949614-A (GB)
Title: Arrangement for operating machines such as fully automatic washing machines
IPC: G05B19/02
Filed: 1960-03-14
Abstract: 949,614. Time switches. HOLZER PATENTS A.G. March 14, 1960 [March 20, 1959], No. 8863/60. Heading H2B. A sequence controller for a washing machine employs a discontinuously operated cam switch 10 and geared thereto a further cam 14 which controls the supply of electrical energy to the motor 18. As shown, a complete rotation of cam 14 is effected each operation and the cam switch is indexed one plane in its control cycle. The advantage of the arrangement is that cam 10 need not be manufactured to close tolerance as the timing accuracy is given by cam 14 which may have more than one cut-out point. A rectifier 28 shunts the initiating switch 20, 21 to lock the rotor of the driving motor 18. A third disc 22 may be used to control initiation. A clutch 29 may be provided.
Patent GB-1369965-A (GB)
Title: Drive arrangements for mechanical handling vehicles
IPC: B60K17/10
Filed: 1973-02-23
Abstract: 1369965 Hydrostatic transmission JOSHUA SHAW & SONS Ltd 23 Feb 1973 8926/73 Heading B7H A mechanical handling vehicle, such as a side or front loader, fork lift truck or dumper, is driven by an hydraulic motor 8 mounted at each end of an axle 1, the axle being bored axially so that motors communicate hydraulically with the bores 10, 11 for the supply and return of hydraulic fluid. The axle is reduced to provide supports 5, 6 and 7 for the motor 8. Each bore 10, 11 communicates with an opening 12 for connection to a pump and by a duct 13 with a relief valve 14. The support 7 has recesses 17 which register with ports 18 for the motor pistons. A duct 20 leads to a radial outlet 21 to provide a motor leakage drain coupled by a hose, not shown, to the pump. In a modification, the axle does not extend through the adjacent rotor, but the bores 10, 11 communicate with the centre part of each motor.
Patent GB-371462-A (GB)
Title: Improvements in or relating to totalizer control mechanism for cash registers of the key set and key operated type
IPC: G06C7/10
Filed: 1931-01-21
Abstract: 371,462. Cash registers. NATIONAL CASH REGISTER CO., Dayton, Ohio, U.S.A.-(Assignees of Shipley, B. M.; 2021, Catapla Drive, Dayton, Ohio, U.S.A.) Jan. 21, 1931, No. 8964/32. Convention date, Jan. 24, 1930. Divided on 371,435. [Class 106 (i).] In a cash register of the key-set, key-operated type, the engagement of a totalizer with its actuators is controlled by cam means that are driven through half of a complete revolution by the keys at each operation of the machine. The cams 96, 97, Fig. 3, that control the engagement and disengagement of the totalizer (not shown) are freely mounted. on a shaft 98 and rigidly attached to a notched disc 108, Fig. 4. During each operation of the machine the shaft 98 is rocked first counterclockwise and then clockwise by a toothed segment 109, Fig. 2, that is carried by the key-coupler 55 and meshes with a partial gear 113 fast on the shaft. The counterclockwise movement only of the shaft is communicated to the notched disc and cams by a pawl 99 carried by an arm 105 rigid with the shaft. The position of the cams is controlled at the end of each operation alternately by studs 116, 126, which co-operate with a pawl 117 to prevent retrograde movement and with the edge 123 of an arm 124 carried by the key coupler to prevent overthrow. A full-stroke pawl 115, Fig. 2, cooperates with the serrated edge of a mutilated disc 114 fast with the gear 113. Specification 371,435 is referred to.
Patent GB-833712-A (GB)
Title: Improvements in or relating to systems for detecting relative movements using ferro-resonant systems
Inventor: BACON KENNETH FRANK
IPC: G01P3/487
Filed: 1957-03-19
Abstract: 833,712. Electric measuring systems. MULLARD Ltd. Feb. 11, 1958 [March 19, 1957], No. 8979/57. Class 40 (1). [Also in Group XXXIX] Apparatus for determining the speed and direction of rotation of a wheel 2 (Fig. 2) comprises a series of equally spaced permanent magnets 4-7 located on the periphery and two fixed coils L1, L2 wound on magnetic cores whose permeability decreases with an increase in flux, each coil L1, L2 being connected in series with a capacitor C1, C2 (Fig. 3) to form the two parallel branches of a ferro-resonant flip-flop, fed from an A.C. source via a limiting capacitor C3. As each permanent magnet passes the coils the additional flux causes coil L2 to resonate with its series capacitor C2, so that the voltage across C2 rises from a static value, whilst the voltage across capacitor C1 falls in a corresponding manner. These voltages are rectified and compared with a reference voltage applied at B, equal to the static values of the voltage across C1, C2, so that there is no output at terminal X, and a series of pulses at terminal Y whose rate is indicative of the speed of rotation of wheel 2. Rotation in the opposite direction produces pulses at X instead ofY.
Patent GB-214258-A (GB)
IPC: F15B1/04
Filed: 1924-04-09
Abstract: 214,258. Lehmann, J. M. [Firm of]. April 9, 1923, [Convention date]. Accumulators loaded by weights or compressed air are provided with two or more pistons or sets nf pistons of differing cross-sectional area extending into common or communicating cylinders, the arrangement being such that all the pistons initially co-operate in raising the load, and that after the largest piston has completed its stroke, the remaining pistons continue to move with a corresponding increase in the liquid pressure. The smaller piston B, Fig. 1, is mounted to move in the larger piston A, the stroke of the larger piston being limited by an enlargement coming into contact with a stuffing-box 2. In a modification, rows C, D, E, Fig. 2, of different sizes are provided, the larger rows having stops 4, 5.
Patent GB-335565-A (GB)
Title: Improvements in or relating to processes for obtaining precious metals
IPC: C01G7/00
Filed: 1929-03-20
Abstract: 335,565. W÷lbling, H. Feb. 2, 1929, [Convention date]. Void [Published under Sect. 91 of the Acts]. Silver, gold, platinum, and palladium chlorides, and salts thereof in general.-Acid solutions containing precious metals, for instance those containing chlorides of platinum, palladium, gold or silver obtained from ores &c. and containing also base metals such as copper, iron, or nickel, are brought into contact with active carbon, which adsorbs the precious metal compounds. Strongly acid solutions should be first diluted or partially neutralized. The adsorbed compounds may be recovered as by treatment of the carbon with concentrated hydrochloric acid.
Patent GB-538300-A (GB)
Title: Improvements in or connected with toilet mirrors, brushes and the like having handles
IPC: A45D42/08
Filed: 1940-05-24
Abstract: 538,300. Mirror frames &c. ADIE BROS., Ltd., and ADIE, A. J. May 24, 1940, No. 9161. [Class 11] [Also in Group XXIII] In hand - mirrors, brushes &c. comprising a one - piece channelled frame 1, Fig. 1, and a separately formed handle 12, the handle is attached to an unbroken part of the frame, the ends of which are joined at a point remote from the handle. The handle, which is hollow and formed from halves, is soldered to the frame and is held to the frame in two directions at right-angles to each other by parts 15, 16, 17. The ends of the frame may be soldered together, or secured by a clip 21 forming. or covered by, an ornament. The clip is formed from a blank 24, Fig. 10, which has piercings 22, 23 to receive ears 6, 7, Fig. 4, projecting from the frame, the ears being then clinched down.
Patent GB-973510-A (GB)
Title: Improvements in or relating to synchronous telegraph systems
IPC: H04L1/00
Filed: 1962-03-09
Abstract: 973,510. Telegraphy. PHILIPS ELEC-  TRONIC & ASSOCIATED INDUSTRIES  Ltd. March 9, 1962 [March 13, 1961], No. 9184/62. Heading H4P. In a synchronous telegraph system in which characters received mutilated are corrected by repetition, the repeated character is preceded by a special signal which is not included in any unmutilated sequence of telegraph signals. In the embodiment described the signals are transmitted over a radio path by amplitude, frequency, or phase modulation, the special signal being a train or pulses having its transition points at the centres of the normally occurring telegraph bits. Modulated carrier from transmitter 1 is received at receiver 2 and demodulated. The resultant signal is fed to a telegraph receiver 12, and-a threshold unit  13, operative only at and about the centre of each bit, gives an output only if the signal level lies within a preset small range. An output is therefore produced during fading, for example, or when, during loss of synchronism, a transition between a mark and a space occurs at the theoretical centre of a bit. An output from the threshold unit causes the receiver to send a signal to the transmitter. Upon detection of this signal unit 15 gives a pulse which inhibits read-out from the transmitter store 6 and causes clock pulses, which normally occur at the beginning of each bit, to pass via a half-bit delay 17 to trigger a bi-stable unit 9. Thus, for the duration of the pulse from unit 15, the transmitter transmits a pulse train which forms the special signal defined above. Immediately following this special signal a certain number of bits previously transmitted (and received mutilated) are repeated. The telegraph receiver 12 is blocked on reception of a faulty bit but re-opens after a preset time for reception of the repeated bits. In order that the synchronizing system, shown enclosed in broken line in the receiver 2, is not upset by the special signal it is necessary that the number of transitions in the repeated bits shall exceed the number of transitions in the special signal.
Patent GB-242194-A (GB)
Title: Improvements in or connected with nut making machines
IPC: B21K1/64
Filed: 1924-12-18
Abstract: 242,194. Hollings, E. Dec. 18, 1924. Cams for use in nut-blank making machines and each intended to be in continuous engagement with two parallel wearing pieces, carried on a slide required t'o be moved to compress the blank a predetermined amount, are set out as follows :-Lines AB, CD are drawn through the centre of rotation E, D being regarded as the zero position. EF is then drawn at 190‹ and equal in length to the compression to be undergone by the blank. FG is drawn parallel to CD and so that EG is three times EF, and is then extended in both directions. GJ, FK and FL are drawn at 100‹, 150‹ and 210‹ and extended. With any suitable, radius GJ an arc JK and intersections HL are drawn. With centre F and radius FH, FK arcs NP and KL are drawn. Join LG and KG and extend. With centres G and radius GM an arc RT is drawn.-Arcs RN and PQ are then drawn about centres K and L. About a point V on LG, equidistant from Q and J, an arc QJ is drawn. Join JV and extend. Draw arcs TS about J and LS about V.
Patent GB-190991-A (GB)
Title: Improvements in or relating to protective cut-out arrangements for electric distribution systems
IPC: H02H7/26
Filed: 1922-03-30
Abstract: 190,991. Soc. la MÚtallurgique Electrique. Dec. 28, 1921, [Convention date]. Cut-out arrangements for completely isolating a faulty feeder between two substations or between a main station and a substation comprise at each end of the feeder cutouts controlled by the combined action of two or more tuned electromagnets, an oscillation generator, the operation of which is controlled by an output relay in such a manner that only one is operative during normal conditions of the feeder, the second becoming operative to energize the second electromagnet to operate the cut-out when a fault occurs. The bus-bars of the stations G, F, Fig. 2, are normally connected by a feeder 8<1> through the cut-outs 8, adapted to be operated by the conjoint action of two tuned electromagnets 10, 11. Each station is provided with an oscillation generator 14 supplied with energy through a transformer 5 and with an output relay 12 controlling the circuit of the oscillation generator 14. Under normal conditions the relav 12 of the station G closes the circuit of the oscillation generator at that station and the relay 12 of the station F opens the circuit of the oscillation generator at that station or vice-versa. Under these conditions one of the magnets 10, 11 at the stations is energized. When a fault occurs the second oscillation circuit is closed to energize the second electromagnet of the cut-outs 8 which are then opened to isolate the feeder. In the modification shown in Fig. 3, the oscillation generator 14, Fig. 2, is replaced by an interrupter commutator c, a brush of which is connected to the busbars through the relay 12.
Patent GB-1033091-A (GB)
Title: Improvements in dobbies for looms
IPC: D03C1/00
Filed: 1963-03-08
Abstract: In a shedding mechanism of the kind described in Specification 987, 589, the slidable yoke (controlling the coupling between the driving shaft and the heald-operating eccentrics) is positioned by a lever which is periodically swung away and then either returned by a spring to push the yoke, or held clear by a hooked lever, the other end of which carries a reading needle co-operating with a pattern card.
Patent GB-949093-A (GB)
Title: A conveying device for use in induction heating installations
IPC: F27B9/24
Filed: 1962-03-09
Abstract: 949,093. Endless conveyers. SIEMENS SCHUCKERTWERKE A.G. March 9, 1962 [March 9, 1962], No. 9284/62. Heading B8A. [Also in Division H5] In Figs. 2, 3, 4, a workpiece 4 to be heated in an induction coil 1 rests on two chain conveyers 5 which slide in troughs 6. Edge portions 7 of the troughs are water-cooled and are raised to substantially prevent the heat radiated from the workpiece from having any detrimental effect on the links 9 of the conveyer chains. Heat transfer to the links is also reduced by fibrous potassium titanate 12 which is heat-insulating and which is enclosed between plates 10 mounted on the chains. The plates may be of austenitic steel and the heads of pins 11 on which the workpiece rests may have incorporated in them or be surrounded by ceramic parts or heat-resistant sintered material. Slots S between the plates minimize heating of the plates by induction. In the construction shown in Figs. 5, 7, groups of chain links 14, 15 are held together by bolts 21. Some of the workpiece-supporting elements 18 may comprise rivets for holding plates 19, 20 together.