baber/WOPTO huggingface dataset:
Patent GB-123190-A (GB)
Title: Improvements in Pumps of the Rotary Type.
Inventor: JAMES FREDERIC ARTHUR
IPC: F04B1/113
Filed: 1918-03-02
Abstract: 123,190. James, F. A. March 2, 1918. Eccentric-actuated pumps; revolving-cylinder pumps.-In a rotary pump of the kind comprising a rotary block A provided with radial barrels a, in which pistons C, C<1>, &c. are reciprocated by a fixed eccentric, the pistons are connected by pivoted rods G<1> &c. to two or more eccentric rings E, E' revolubly mounted on the fixed eccentric D. One connecting-rod is rigidly connected to each ring, and the others are pivoted thereto. If each rod is connected to a separate ring, the connexion is rigid. The fixed casing B is divided into inlet and delivery sections P, P' by members Q, Q<1> against which the rotor A works. Removable wearing-blocks R, R' are inserted through the casing and members Q, Q<1> and are held in place by elastic washers r and covers S, S<1>. The rotor is driven by a pulley J through gear-wheels M, N, and revolves on extensions D' of the eccentric D. The sides of the rotor are closed by plates H, H', provided with peripheral flanges supporting adjustable packing-rings T.
Patent GB-213069-A (GB)
Title: Improvements relating to tuning coils used in connection with wireless telegraphy and telephony
IPC: H01F21/00
Filed: 1923-02-08
Abstract: 213,069. Hunter, W. H. Feb. 8, 1923. Inductances. - A variometer or vario-coupler is constructed so that both the stator and rotor coils are readily removable and replaceable by different sized coils. In the construction shown in Fig. 3, the stator coil 1 is removably supported on an insulated support 2 by flexible bars 3, 4 carrying pins 5, 6 which pass through insulated loops on the inner side of the coil. The bar 3 has formed in it a bearing for an arbor formed on one end of the rotor coil 8. The other end of the rotor coil 8 is formed with an arbor engaging a toothed wheel 9 so as to be rotated thereby, a bearing for the wheel 9 being formed in the bar 4. On removing the stator coil 1, the rotor coil 8 may be removed by bending the bars 3, 4 outwards, these being sufficiently flexible to permit this. The toothed wheel 9 is rotated through spur, bevel, or worm gearing by a knob 13. In a modification, the squared end of the spindle 15 of the knob 13 engages the rotor coil directly, passing through a hole in the stator coil, and is pulled out against the pressure of a spring to release the rotor coil. In the reaction coupler shown in Fig. 5, the rotor coil 8 is carried in a spring clip support 22 pivoted at 20a and attached at 22<c> to the spindle 23 of the knob 13.
Patent GB-732588-A (GB)
Title: A new or improved safety control device for power-presses
Inventor: CHALLEN HENRY DENIS
IPC: F16P3/04
Filed: 1953-02-11
Abstract: 732,588. Machinery guards. TAYLOR & CHALLEN, Ltd. Feb. 5, 1954 [Feb. 11, 1953], No. 3801/53. Class 80 (4). The safety device described in Specification 716,151 is modified to provide an additional linkage, which may be disconnected at will, whereby the guard, instead of being openable on the up stroke, cannot be opened until the press approaches top dead centre, the linkage being employed when the press tools restrict the " daylight " opening to an extent where, should the press overrun, the automatic braking would not, due to the inertia of the flywheel, operate in time to avoid danger to an operator's fingers. A hand-operated guard 23, 25 is linked to a brake-applying bar 13 having an abutment 31 coacting, as in the prior Specification, with a lever 28 which carries a roller 27 engaging a crankshaft cam 26 subtending approximately 180 degrees, whereby the brake is applied should the crankshaft overrim top dead centre with the guard open, while the guard is held closed on the down stroke. As previously, a pawl 33 coacts with a tooth 34 to apply the brake should the crankshaft fall back. According to the present invention, a second roller 38, spaced slightly less than 180 degrees from the roller 27, is carried by a lever 35 coupled by a disconnectible link 37 to an arm 16 of the guard linkage so that as the press reaches the bottom of its stroke and the cam disengages from the roller 27, the roller 38 is engaged to hold the guard closed until top dead centre is reached. Should the press overrun under these conditions the operator has not time to open the guard and insert his fingers before the brake stops the press.
Patent GB-1261174-A (GB)
Title: Improvements in or relating to filter networks
Inventor: GLASER ARTHUR BARRY
IPC: H03H19/00
Filed: 1970-01-27
Abstract: 1,261,174. Active filters. WESTERN ELECTRIC CO. Inc. 27 Jan., 1970 [1 May, 1969], No. 3859/70. Heading H3U. A filter comprises: means 11-1, 11-2 ... 11-N for modulating an input signal; means 17 for deriving multiplexed sample pulses from the modulated signal; a digital filter 19 for filtering the multiplexed samples; means 21 for demultiplexing the filtered signal; and means 13-1, 13-2 ... 13-N for demodulating the demultiplexed signals. The modulator and multiplexer, Fig. 5 (not shown) comprises an operational amplifier (31) which has its transmission characteristics altered in a predetermined manner by switching transistors controlled by a logic circuit, Fig. 10 (not shown). The demultiplexed signals are sequentially switched to smoothing circuits C1 ... CN by switches 23a, 23b.
Patent GB-871832-A (GB)
Title: Apparatus for enabling a batch of material to be weighed out accurately
IPC: G01G13/00
Filed: 1958-02-06
Abstract: 871,832. Automatic feed weighers. TARUKAWA, T. Feb. 6, 1958 [Feb. 11, 1957; April 18, 1957; Jan. 17, 1958], No. 3862/58. Class 143 The weighing receptacle of an automatic feed weigher is provided with an auxiliary discharge mechanism which, when the load in the receptacle exceeds the predetermined value, discharges the surplus material from the receptacle before the main discharge mechanism is operated. Receptacle A is connected through a cable 8 and lever 7 to a weigh beam 1 which, when the receptacle is empty operates a switch S1 to start a feeder motor M1. When the predetermined weight is reached, the beam releases the switch and the feed stops. If, however, the beam rises beyond the horizontal, due to feeding an over weight of material, switch S2 is operated to start an impellor 14 which discharges the receptacle until the beam moves away from switch S2. The main discharge door 11 is operated by a cable 21 a and a winch drum 21 which is started by an electromagnetic dog clutch 20 under the control of a switch p.s which is operated either manually or automatically. In a modification (Fig. 3, not shown) a feed weigher for liquid has a feed valve and main and auxiliary receptacle discharge valves which are selectively operated by electromagnets controlled by switches S1, S2. In a further modification the main discharge device comprises a sliding door operated by a motor driven rack and pinion mechanism. In another modification both the impellor and the discharge door are replaced by screw conveyers.
Patent GB-372373-A (GB)
Title: Improvements relating to looms having stationary weft supplies
IPC: D03D47/00
Filed: 1931-02-06
Abstract: 372,373. Looms with stationary weft supplies. BRITISH CELANESE, Ltd., 22, Hanover Square, London, and POOL, W., of British Celanese, Spondon, near Derby. Feb. 6, 1931, No. 3895. [Class 142 (ii).] A weft loop sufficient for one or two picks is formed by trapping devices which move successively into positions in which weft trapped in one device can be engaged by a travelling member and drawn into loop form, the trapping devices moving quickly just prior to the engagement by the travelling member and more slowly during the loop formation, the loop being released from the trapping devices for presentation to a, dummy shuttle or the like. The trapping devices, at one or both sides of the loom, comprise cam-operated jaws 17, 18, Fig. 3, associated with guide pegs 39 mounted on a disc 16 geared to a shaft 14 having a worm wheel in mesh with a worm 12 splined on a shaft 11 which is geared to a chain 5, Fig. 1, carrying the pairs of pegs 34 for drawing the loops of weft between the devices 17, 18. The worm 12 is connected to a spring-controlled rod 29 slidable in the shaft 11 and engaging a bell-crank lever 30 rocked by a cam 32, whereby the worm, while rotating, is moved to and fro along its axis and provides quick and slow motions to the disc 16. In Fig. 3, the disc is moving slowly and the weft, clamped in the trapping device 17, is being engaged by the downwardly-moving pegs 34 to draw it into loop form. The disc then rotates quickly so that the trapping devices 17, 18 interchange their positions, the device 18 then clamping the weft 44. The pegs 34 draw the loops from the trapping devices while they are on the lower run of the chain 5 and carry the weft beneath a guard 42 to a depresser 37 for presentation to the dummy shuttle, the weft loop being held by a hook 36 while one limb of the loop is being picked. The weft is cut at 41 by a device which operates simultaneously to raise the hook 36. The trapping devices may be moved in a direction parallel to the shaft 14 to suit the width of the fabric being woven, while the weft may be disengaged from the pegs 34 by their passing around the chain guide roller 7. Specifications 346,850, 372,372, 372,374, and 372,375 are referred to.
Patent GB-1462067-A (GB)
Title: Internal combustion engine and warming-up system therefor
IPC: F02P5/10
Filed: 1974-01-28
Abstract: 1462067 Warming I C engines; control of throttle valve during warming up NISSAN MOTOR CO Ltd 28 Jan 1974 [29 Jan 1973]  03914/74 Heading F1B A combination of a warm-up system and an I.C. engine 10 comprises an intake passageway 18 having a rotatable throttle valve 24; an exhaust gas passageway 26, which heats air admitted via an air inlet pipe 118 to the passageway 18 when the engine is cold; and a servo unit 38 with a diaphragm 46 operatively connected to the throttle valve to open it a predetermined amount in response to vacuum downstream of the throttle valve when the engine is cold. First and second contact breakers 138, 140 are respectively normally connected to and normally disconnected from an ignition coil 144, change-over means 137 connecting the breaker 140 and disconnecting the breaker 138 to provide retarded ignition when the engine is cold to assist warm up. A by-pass duct 88 shares a common heat transfer wall 108 with the intake passageway 18 so that exhaust gases can be diverted to heat a combustible mixture flowing through the intake passageway 18. The servo 38 is connected to the intake passageway downstream of throttle valve 24 via a solenoid valve 58 and second and third servos 90 and 128 are connected to the intake passageway via solenoid valve 92. Solenoid valve 58 is energized to open when ignition switch 77, Fig. 2, vehicle speed responsive switch 79 (closed when vehicle in which the engine is fitted is stationary), accelerator switch 81 (closed when accelerator pedal is not depressed) and catalyst temperature responsive switch 83 (Fig. 2) (closed when exhaust catalyst temperature is below a predetermined temperature) are all closed. The servo 38 then causes the throttle valve to be opened slightly to warm the engine more quickly. The solenoid valve 92 is energized to open when ignition switch 77 and engine coolant temperature responsive switch 105 (closed when coolant temperature is below, for example, 60C) are closed. This allows servo 90 to rotate an exhaust gas valve 86 to the closed position shown causing exhaust gas to pass along by-pass duct 88 to heat the wall 108 and allows servo 128 to raise valve 126 so that warm air from an air inlet pipe 118 surrounding the exhaust gas passageway is fed to the engine, causing the engine to warm more quickly. The closure of a switch 105 at low coolant temperature also energizes a relay 166 to close switch 172 causing a magnetic clutch 164 to be demagnetized disconnecting cooling fan 30 and coolant pump 32. Closure of switches 79, 81 and 83 energizes a relay 142 to close switch 156 on to terminal 150 to operate the contact breaker 140 instead of contact breaker 138 thereby retarding the ignition. The effect of energizing relays 166 and 142 is to produce effects which cause the engine to warm up more quickly. The passage 112 downstream of the carburetter directs the combustible mixture towards the wall 108 which has fins 110 to improve heat transfer.
Patent GB-482187-A (GB)
Title: Improvements in or relating to automatic steering gear for aircraft
IPC: G05D1/06
Filed: 1936-06-23
Abstract: 482,187. Fluid-pressure servomotorcontrol systems. SPERRY GYROSCOPE CO., Inc. June 23, 1936, No. 3948/38. Convention date, May 9, 1936. Divided out of 482,270. Drawings to Specification. [Class 135] The subject-matter of this Specification is included in Specification 480,776 but the claims differ.
Patent GB-764778-A (GB)
Title: Improvements in or relating to ball bearings
Inventor: BARTH-VUILLEUMIER GOTTLIEB
IPC: F16C19/12
Filed: 1955-02-10
Abstract: 764,778. Ball bearings. SAPHIRWERK NIDAU G. BARTH - VUILLEUMIER AKT.- GES. Feb. 10, 1955, No. 3969/55. Class 12 (1). In a ball bearing, the balls 4 and outer race ring 1 are made of precious stone such as agate or ruby. The balls are axially located by rings 6 of steel or hardened glass disposed each side of the race ring 1 and held together in a setting 7. The rings 6 may have annular grooves adjacent the balls. In a modification the outer race comprises two members 16, Fig. 4, forming a conical raceway. Alternatively the members 16 form curved race surfaces and they are retained in a setting 7 by a spring ring 18, Fig. 5. In a further modification, a conical pivot 23 is rotatably mounted by balls 4 in a precious stone race ring 20 the balls being retained by a ring 22. Fig. 7 shows a watch bearing in which the staff 31 is rotatably mounted in a screwthreaded carrier member 25 by balls 4 and jewels 26, 27, 29.
Patent GB-1013562-A (GB)
Title: Improvements relating to rubber-containing composite products
Inventor: JONES JOHN FREDERICK
IPC: C08J5/10
Filed: 1962-02-01
Abstract: A composition comprises a vulcanized solution polymer of butadiene containing at least 30% of cis-1,4-addition polymer and metal filaments.  Natural rubber or butadiene styrene copolymers in amount up to 25% of the polybutadiene may also be present. The metal filaments may be brass-plated steel "cords." The usual vulcanizing and compounding ingredients may be present.  The composition may be used to produce a tyre casing-the metal filaments forming a tread reinforcement.
Patent GB-741377-A (GB)
Title: Improvements in or relating to wardrobes and like articles of furniture
IPC: A47B61/00
Filed: 1953-02-13
Abstract: 741,377. Wardrobes. STEPHENS, R. May 11, 1954 [Feb. 13, 1953], No. 4150/53. Class 52(1). The front of a wardrobe is fitted with sliding doors 14, 15 and one or both end faces are formed as hinged doors 20 giving access to a separate compartment which may have shelves and drawers.
Patent GB-1409885-A (GB)
Title: Waste disposal system
IPC: B60P3/32
Filed: 1972-09-19
Abstract: 1409885 Disposal of sanitary waste in engine exhaust systems THERMASAN CORP 19 Sept 1972 [10 Dec 1971] 4167/73 Divided out of 1409882 Heading E1C In waste disposal apparatus of the kind described in the parent specification, sanitary waste is fed to the exhaust pipe of a fuel burning engine by a pump 28 and an injector 26 into the exhaust pipe 16, the injector comprising a tube 46, Fig 3, extending part-way across the exhaust pipe interior and surrounded by a cylindrical screen 44 for breaking up both the liquid and solid particles in the waste. Partial breaking up of the solids prior to injection of the waste is effected by means, including a filter disposed between the sanitary closet and collection tank 18.
Patent GB-1062722-A (GB)
Title: Improvements in power generation apparatus
IPC: G21C3/40
Filed: 1965-02-01
Abstract: 1,062,722. Nuclear power plant. GENERAL ELECTRIC CO. Feb. 1, 1965 [Feb. 3, 1964], No. 4292/65. Heading G6C. In a thermionic device the direct conversion of nuclear reactor heat into electrical energy is effected by the thermionic emission of electrons from a heated tungsten surface and the collection of the electrons by a surrounding metal surface. The thermionic device contains fissionable material and a series of the devices are coupled together in line to form a fuel rod for insertion inside a reactor. The space charge effect between the emitter and collector is reduced by the admission of cesium vapour. A reduction in the work function at the emitter and collector surfaces is also effected by the cesium. Each device is formed of a fissionable body of uranium dioxide having an internal space to contain fission products and is mounted within a container having an outer tungsten shell and an inner niobium layer.
Patent GB-364389-A (GB)
Title: Improvements in centrifugal governors
IPC: G05D13/08
Filed: 1931-02-13
Abstract: 364,389. Timing ignition. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. Feb. 13, 1931, No. 4523. Convention date, March 7, 1930. [Class 7 (iv).] In a centrifugal governor, particularly for the ignition control of an internal-combustion engine, the weights 10 are pivoted at 11 upon a disc 3 and connected by fingers 7 to the adjusting cam. The loading springs 12 are connected at one end to an adjustable anchor 13 and at the other end to a point 14. The springs 12 are tensioned transversely by arms 8 provided with cam faces 15. In a modification the weights 10 are provided with arms 16 contacting with arms 17. Specification 350,059 is referred to.
Patent GB-1209841-A (GB)
Title: Improvements in controlled rectifier circuits
IPC: H03K3/35
Filed: 1968-01-29
Abstract: 1,209,841. 209, 841. Ignition systems. HONEYWELL Inc. Jan.29, 1968 [March 13, 1967], No.4565/68. Heading F1B. [Also in Division H3] In a pulse generator for a spark ignition system, in which a capacitor is discharged through a controlled rectifier into the primary winding of an output transformer, the capacitor is charged through a unidirectional conductor from an A. C. supply during half cycles of one polarity and is discharged during half cycles of opposite polarity, the controlled rectifier being triggered by discharge of a further capacitor through a breakdown device. During positive half cycles capacitor 15 charges. During negative half cycles a capacitor 37 charges until a gas discharge tube 42 (or a p. n.p.n. diode) breaks down to provide a firing pulse for the thyristor 30 and so to produce a spark across electrodes 25, 26 of a gas or oil burner. Resistors 35, 36 provide a reverse bias for the thyristor gate to prevent false firing after the capacitor discharge.
Patent GB-845843-A (GB)
Title: Apparatus for shifting from small to capital letters on power-driven typewriters and similar office machines
IPC: B41J23/06
Filed: 1959-02-10
Abstract: 845,843. Typewriters &c. GRUNDIG, M. [trading as GRUNDIG ELEKTRO-MECHANISCHE VERSUCHSANSTALT]. Feb. 10, 1959 [Nov. 5, 1958], No. 4577/59. Class 100(4) A case-shift mechanism comprises a stirrup 7 pivoted at 8 directly to the carrier of a segment 11. The stirrup 7 has pawls 4, 5, for engagement with a toothed wheel 3 of a power roll 1 and is biased by a spring 12 in a direction to engage the pawl 4. The segment 11 is movable by links 9, 10 and a spring 15 resists movement away from either case position. Depression of the case-shift key rocks a lever 6 to allow the spring 12 to engage the pawl 4 with the wheel 3 which draws down the stirrup 7 and the segment carrier in the direction b until the top stop screw 13 engages the counter stop 14 with the segment 11 in the shift position. During this movement the pawl 4 quickly becomes disengaged from the wheel 3 but on release of the shift key a tongue 17 of the lever 6 engages the end 18 of the stirrup 7 to force the pawl 5 to engage the wheel 3 to restore the segment 11 to the other case position while the pawls 4, 5 are held disengaged in the position shown, against the spring 12, by the lever 6 engaging the stirrup 7.
Patent GB-595424-A (GB)
Title: Improvements in and relating to tubular heaters and coolers for fluids
IPC: F28D7/16
Filed: 1945-02-23
Abstract: 595,424. Tubular heat-exchange apparatus. WATWILLS, C. Feb. 23, 1945, No. 4654. [Class 64 (iii)] [Also in Group XXVIII] A tubular heater or cooler for fluids comprises a plurality of tubes 5 mounted between top and bottom headers 4, each header having a cross member 9, and a cover plate 11 held down by a screw 10 or bolt and nut screwed into or projecting from the cross member, the cross-members in opposite headers being set at right angles to one another to facilitate internal cleaning of the tubes, and the tubes being passed through a plate or plates 12 which can be moved up and down, e.g., by a handle 13, to remove any deposits on the outside of the tubes. The crossmembers may be provided with holes for access to the ends of tubes across which they pass.
Patent GB-309271-A (GB)
Title: An improved portable dipping tank for the treatment of road-making materials and forsuch like purposes
IPC: E01C19/00
Filed: 1928-02-15
Abstract: 309,271. Braham, W. E., and Hines, J. Feb. 15, 1928. Cauldrons.-A tank a to receive perforated containers f for aggregate or other road material to be dipped in emulsion or other liquid in the tank is provided with a sloping shelf g hinged to the upper edge of the tank to form a support for the containers whilst draining, and to form a cover for the tank. In the form shown, the tank is rounded at its ends and the shelves g, supported on brackets l, are of semicircular form in plan, being provided with ribs i to confine the liquid and ridges k to support the containers clear of the shelves. The tank may be heated by a furnace and fitted with spraying means.
Patent GB-123616-A (GB)
Title: Improvements relating to the Distillation of Solid and Liquid Substances.
Inventor: SEARLE ALFRED BROADHEAD
IPC: C10B7/14
Filed: 1918-03-18
Abstract: 123,616. Searle, A. B. March 18, 1918. Bulk evaporators; hydrocarbons, cracking.-A tunnel oven or kiln, adapted for the distillation of peat, coal, tar, oil and other substances, comprises a tunnel about 300 ft. long, the width and height varying from 2 to 9 ft., according to the density or bulk of the material treated. The material is carried along the oven on rails 5 in cars 1, and is heated by hot gases produced by burning a mixture of air and gas supplied through pipes 8 and 9 to the space 11 or chamber 12, Fig. 4, surrounding the material to be treated. The heat is applied to the end of the oven where the cars leave and the hot gases are drawn by means of a fan through the flue 11 or chamber 12 towards the entrance to the oven so that the temperature of the material is gradually raised as it passes through the oven. Additional pipes 8, 9 may be fitted to any part of the oven requiring heating to a higher temperature. The oven is divided into sections by doors 4 inserted through apertures closed by covers 10 and the products of distillation are caused to pass backwardly along the oven, to assist in heating the material, and to ensure the distillation being effected in an inert gas, and are carried off separately by pipes 7. The combustible gas evolved, after suitable purification, may be delivered to pipes 8, 9 for heating the oven, or may be passed into the tunnel in order to crack the heavy hydrocarbon vapours into volatile oils and gas. The sides of the cars are provided with downwardly projecting plates 15 passing into troughs 14 which collect the condensation products and form a seal protecting the under structure of the cars. The heat of the residual product in the cars at the outlet end of the oven may be used to heat the air delivered to pipes 8, 9 Steam or other vapour may be introduced into any part of the oven to obtain desired products, and liquid materials may be injected at suitable points to react with the materials on the cars or with products evolved therefrom.