baber/WOPTO huggingface dataset:
Patent GB-390615-A (GB)
Title: Improvements in and relating to the suspension of electric motors in railway and like vehicles
IPC: B61C9/48
Filed: 1932-02-26
Abstract: 390,615. Motor driving arrangements. SPENCER, MOULTON, & CO., Ltd., G. and GLASCODINE, R. T., 2, Central Buildings, Westminster. Feb. 26, 1932, No. 5817. [Class 35.] A motor suspension for electrically propelled rail vehicles comprises a rigid casing swung at one end on the driving axle with a spring or springs at the opposite end taking the static load and an additional spring or springs at such end unaffected by the load but operative to resist movements of the casing due to torque &c. impulses produced when running. The nosepiece 9 of the motor casing 6, swung on the driving axle 1, engages a bearer plate 13 with a bridge-piece 15 guided between the walls 18, 19 of a bracket casting 11 bolted to a machined facing on a cross member 12 of the vehicle frame. The static weight is taken by a spring 26 seated in a central pocket 24, additional springs 31, 32, 35, 36, connected to the plate 13 by bolts 39, 40 and located in adjacent pockets with horizontal partitions 27, 28, being brought into operation by movements of the casing due to torque reactions &c. A rod 41 threaded into the plate 13 to locate the spring 26 is provided with a squared head to facilitate removal. The springs may be as shown, of rubber in cylindrical form with uniformly spaced metal plates embedded in the material, or they may each consist of a series of rings of rubber moulded about metal plates with metal plates interposed between the rings. The nosepiece 9 may be laterally cushioned by rubber cheekplates 44, 45 or it may be frictionally held by a spring-pressed plunger 52, Fig. 4, the head 50 of which may be faced with suitable material. The spring 56 acting on the plunger is encased by a cover 57 and a nut 58 retains the plunger in position if the nosepiece is withdrawn. Instead of independent additional springs for cushioning the upward and downward driving thrusts, dual functioning supplementary springs acting to cushion thrusts in either direction may be provided in association with the load-carrying spring 26. The springs in each case are arranged to provide suitably greater resistance to movements in the downward direction in which the static load and driving reactions act conjointly.
Patent GB-689818-A (GB)
Title: Foam generator
Inventor: WENDELL EVERT JANSEN
IPC: A62C5/00
Filed: 1951-03-12
Abstract: 689.818. Making foam. HALE FIRE PUMP CO. March 12, 1951. No. 5886/51. Class 47(ii) [Also in Groups II and XXVI] A mechanical generator for fire-extinguishing foam comprises first and second pumps for foam liquid and water respectively, a third pump having its suction side connected to a substantially constant pressure air source means for delivering the discharges of the first and second pumps to the suction side of the third pump and means for simultaneously operating the pumps so that the foam liquid, water and air shall be.in substantially predetermined proportions, the pumps being of a type wherein the quantity of fluid delivered is independent of the pressure at the pump inlet and is substantially proportional to the speed at which the pump is operated. Foam liquid and water are fed by positive displacement pumps 1 and 4 respectively into the suction port 12 of a third positive displacement pump 11 which is open to the atmosphere. The pump 11 draws in air and mixes and beats the air and foam solution into foam of fine texture which is delivered from the duct 14. A predetermined minimum back pressure is maintained by means of a valve 15 which is actuated by means of a diaphragm 18 in a chamber 23 which communicates through a pipe 24 with the duct 14 at a point intermediate the valve 15 and discharge port 13 of the pump 11. The pumps 1, 4 and 11 are mechanically coupled for operation by a single power source. In a modification, Fig. 3 (not shown), the duct 8 of the pump 1 is connected to the suction port 5 of the pump 4 so that the foam liquid and water may be subjected to the mixing action of the rotors of this pump.
Patent GB-787160-A (GB)
Title: Improvements in and relating to carburetion apparatus
IPC: F02M13/08
Filed: 1956-02-24
Abstract: 787,160. Supplying vaporized or liquid fuel and air; indicating conditions of working. ERIKSEN, M. Feb. 24, 1956, No. 5912/56. Classes 7(2) and 7(3) Apparatus for supplying vaporized or liquid fuel together with air comprises a fuel pump 18 having a carburetter 11 in liquid fuel communication therewith, an intake manifold 10 and an exhaust manifold 20, a second liquid fuel communication line 22 from the fuel pump leading to a tubular portion 27 having heat transferring relation with the exhaust manifold, liquid fuel being vaporized in the tubular portion which connects with a mixing valve 35 in communication with the carburetter, the mixing valve being controlled by a throttle 14 which also controls the supply of liquid fuel and a vapour cut-off valve 32 and a liquid fuel cut-off valve 42 in the corresponding supply lines whereby vaporized fuel will only be supplied to the carburetter when the exhaust manifold has reached a predetermined temperature and at the same time the supply of liquid fuel to the carburetter will be interrupted. The passage 31 and mixing-valve 35 may be surrounded by a space in communication with the exhaust manifold. The value 35 may be a rotary sleeve valve. Tangential mixing or baffling may be used to effect the mixture of vaporized fuel and air, Fig. 2 shows the control circuit. The switch 63 is controlled by induction pipe pressure and the bimetallic switch 62 is responsive to the temperature of the exhaust manifold. Closure of either the switch 62 or 63 energizes a relay 65 and switch 55, 66 is closed. Thus valve 42 is maintained open. When the engine warms up and the valve 42 is opened switch 49 is normally in open position. When the level of fuel in the float bowl 12 has dropped sufficiently switch 49 is closed, this will complete the circuit through solenoid 58 and open the valve 32. Signal lights 67, 69 indicate the positions of the valves 32, 42.
Patent GB-216233-A (GB)
Title: Improvements in carburettors
IPC: F02M9/127
Filed: 1923-03-01
Abstract: 216,233. Salmon, P., and Ellor, J. E. March 1, 1923. Spray carburettors.-Two coaxial relatively fixed Venturi tubes 2, 3 are slidable in a casing 1 to coact with the casing and with the jet tube 16, enlarged at 19, to control the air and fuel, the latter being discharged through orifices 17. The tubes are caused to slide by moving a pin 6 along an inclined slot 8. Air enters at 12 and its flow to the outer Venturi is controlled by the shoulders 14, 15. Air to the inner Venturi also enters at 12, but has its direction of flow reversed in passing through an annual space 28 formed between a conical extension 30 of the Venturi and a fixed part 31. A duct 29 places the space 28 in communication with the top of the float chamber so as to produce therein a depression which may be utilized to lift fuel from the main tank. The depression may be controlled by an adjustable air leak 32. By moving the Venturi tubes beyond the fully closed position air only, for braking purposes, may be admitted through ports 37. In a modification, Fig. 4, the depression in the float chamber is produced through a tube 33, 34 connected by an expansible chamber 35. Variations of pressure cause corresponding movements of the tube 33 which opens into the inner Venturi tube 2. In a modified construction the carburettor is horizontally arranged, and helical blades to whirl the mixture are situated at the outlet of the larger Venturi tube.
Patent GB-644506-A (GB)
Title: Improvements in or relating to electromechanical apparatus for the measurement of phase lag
IPC: G01R25/00
Filed: 1948-02-27
Abstract: 644,506. Phase-difference measurements ; cathode-ray oscillographs. DEPARTMENT OF COMMERCE, DIRECTOR OF THE OFFICE OF TECHNICAL SERVICES OF. Feb. 27, 1948, No. 5982. Convention date, Feb. 18, 1946. [Class 37] [Also in Group xL (c)] Apparatus for measuring phase lag between electrical and mechanical means includes means for oscillating the mechanical means and producing an electrical signal at a predetermined position thereof. Apparatus is shown for determining the accuracy with which a point on the sweep trace of a cathode-ray oscillograph corresponds to a given antenna azimuth in radio object-locating apparatus. The sweep generating circuit comprises an oscillator 10, a rotor 12 and stator 13, a phase and amplitude detector 14 including triodes 16, 17, a filter circuit 26 including condensers 27, 28 and a resistor 29, and a sweep amplifier 31, all connected in cascade. The sweep amplifier 31 is connected to the deflecting plates 32 of a cathode-ray oscillograph 33. In normal operation the shaft 38 of the rotor 12 is driven by the detection antenna (not shown) and an alternating voltage appears across the stator 13 which varies in amplitude sinusoidally. The output from the detector 14 is an alternating voltage whose frequency is equal to that of the rotor 12, but which has a phase lag. This voltage is passed through the filter circuit 26 to the sweep amplifier 31 and the deflection plates 32 so that the electron beam is caused to move sinusoidally in a horizontal path but does not produce a visible trace on the screen 37 unless it is caused to do so by the action of the grid 36. In order to measure the phase lag produced in the sweep circuit the shaft 38 is driven by an oscillating mechanism 39 in a sinusoidal manner through a sector of about 180 degrees. A disc 41 is fastened to the shaft 38 and has a radial slot 42. A light source 43 and a photocell 44 are placed on opposite sides of the disc 41 and produce a pulse each time the slot 42 passes between them. This pulse is applied through an amplifier 45 to the grid 36 of the oscillograph 33, making the trace visible and indicating the position of the sweep when its generating voltage is zero. Two spots are produced on the screen, the separation between which is equal to twice the angle of lag.
Patent GB-1129864-A (GB)
Title: Improvements in pulse telecommunication systems
IPC: H04B14/06
Filed: 1966-02-10
Abstract: 1,129,864. Selective signalling. COMPAGNIE FRANCAISE THOMSON HOUSTON-HOTCHKISS BRANDT. 10 Feb., 1966 [10 Feb., 1965], No. 5982/66. Heading G4H. Delta modulation pulses, produced for example as described in Specification 1,106,042 are applied to a coding circuit comprising a counter which is stepped up or down by the pulses, means for translating the counter contents into a marking on one of a number e.g. 13 of leads to select a corresponding frequency for transmission, and means for subtracting from the counter a number corresponding to the frequency transmitted. Pulses are supplied to the counter over a sampling period. Several different codes are used to cater for different rates of charge of the input signal. In the lowest range, for example, frequencies F 1  to F 13  correspond to increments of + 12, + 8, + 6, + 4, + 3, + 2, 0, - 2, - 3 . . . -12 When F 1  or F 13  is transmitted, a shift to the next higher code is made, this code being one in which F 7  still corresponds to 0, but the other frequencies correspond to larger increments e.g. ranging from 16 to 3. Similar shifts up are made whenever F 1  or F 13 , signifying the largest possible increment in any code, is transmitted. Conversely, when the variation in a sampling period is less than the minimum increment of the code in force, F 7  is transmitted and a shift down is made. Whenever a shift up or down occurs, the translating matrix is modified or the attenuation of the input signal is altered correspondingly. The receiver comprises filters corresponding to F 1 -F 13  and a circuit which delivers to one of two outputs (positive and negative increments) a train of pulses in each sampling period, the number of pulses corresponding to the frequency received and the code in force. Code shifts up are made upon reception of F 1  or F 13  and a shift down is made on reception of F 7 , except when the lowest code is in force. The receiver is synchronized to the transmitter after transmission of F 7  over a number of sampling periods corresponding to the number of codes. The pulses delivered by this circuit constitute the original delta modulation and are demodulated by apparatus as described in Specification 1,106,042.
Patent GB-238797-A (GB)
Title: Improvements in ash trays
IPC: A24F19/00
Filed: 1924-06-05
Abstract: 238,797. Gaunt, C. F. June 5, 1924. Ash-trays are provided with a rest for the bowl of a tobacco-pipe comprising a part-spherical member 21 seated in an aperture in the tray. A short length of tubing 30 secured to the tray and having peripheral depressions 32 serves as a rest and extinguisher for cigars or cigarettes. The tray may comprise a pair of shallow pans 1, 2, hinged together at 4. Hinged, fork-like members 25, 35 serve respectively as additional rests for the bowl and the stem of the pipe. Specification 238,643 is referred to.
Patent GB-943575-A (GB)
Title: Thread-swaging and fastening screws
IPC: F16B25/00
Filed: 1962-02-16
Abstract: 943,575. Thread-forming screws. GENERAL AMERICAN TRANSPORTATION CORPORATION. Feb. 16, 1962 [April 26, 1961], No. 6024/62. Heading B3V. A thread-swaging screw 10 comprises a shank 11 with a tapered pilot section 11a on which there is a continuous rolled thread 13, the part of the thread on the pilot 11a being partially interrupted by circumferentially spaced flutes F producing lobes L, and the thread being truncated at each flute F and having a substantially full crest at each lobe L and on the rear part 11b of the shank. One or more lobes may be formed, and the depth of the thread decreases towards the end of the pilot 11a. The lobes may have symmetrical leading and trailing swaging faces 16, 17, Fig. 2, or the leading face may subtend a greater or lesser angle than the trailing face, Figs. 2A, 2B (not shown). In a modification, Fig. 3, the flutes F3 are narrow and the lobes L3 wide.
Patent GB-1414577-A (GB)
Title: Manufacture of substitute for natural gas
IPC: C07C67/00
Filed: 1973-02-07
Abstract: 1414577 Natural gas substitute WHESSOE Ltd 5 Feb 1974 [7 Feb 1973] 6052/73 Heading C5E A natural gas substitute is prepared by (a) catalytically steam reforming naphtha to form a gas mixture comprising CO, CO 2 , H 2  and CH 4  (b) subjecting said mixture to catalytic methanation and (c) downstream of the methanation, catalytically oxidizing H 2  in the gas in preference to CH 4 , at least part of the heat evolved therefrom being used in the overall process, CO 2  being removed by absorption at some point after the steam reforming. The gas mixture -may be cooled to condense out water and recover heat either downstream of the catalytic oxidation of H 2  when it follows immediately on the methanation or after methanation and before catalytic oxidation of the B 2 . The heat evolved in (c) may be used to raise high pressure steam, provide a final pre-heat of the boiler feed water or in an ancilliary duty, e.g. in the reboiler in the CO 2  removal step. Suitable catalysts for (e) are Pt, Pd, CuO or nickel subsulphide.
Patent GB-469836-A (GB)
Title: Improvements in or relating to the supply means of apparatus comprising a series of receptacles for treating liquids such as milk
IPC: A23C3/03
Filed: 1936-02-28
Abstract: 469,836. Valves. GOODMAN, H. F., and ALUMINIUM PLANT & VESSEL CO., Ltd. Feb. 28, 1936, No. 6055. [Class 135] [Also in Group VI] A valve for supplying liquid from an inlet pipe 1 to a series of tanks 4 cyclically has a fixed body portion 3 with a series of outlets 6 each leading to a tank which are connected in turn to the inlet pipe 1 by a radial groove 12 in a rotary portion 10, leakage across the valve from one tank to another being prevented by providing on the underside of rotary portion 10 an arcuate groove or recess 14 communicating with an annular groove 16 on portion 3. The groove 16 is connected by a pipe 18 to a receiver 20 through which the inlet connections of all the tanks other than the one being filled are open to the atmosphere.
Patent GB-176367-A (GB)
Title: Caps for sealing the covers or closures of receptacles such as bottles or the like
IPC: B29D99/00
Filed: 1922-03-01
Abstract: Caps for sealing covers of bottles &c. consist of a dry pellicle of acetyl cellulose and water-soluble softening material, such as acetin, the caps being immersed in water after being applied to the vessels to be sealed, with the result that they shrink and adhere strongly after drying.  As an example, 10 parts of acetin are added to 10 parts of acetyl cellulose dissolved in 90 parts of acetone, and a film of the desired thickness is formed on a glass mould inserted in the solution.  The film is stripped off and may be sprinkled with talc and rolled up. Filling and colouring materials, such as bronze powder may be added to the solution.
Patent GB-693689-A (GB)
Title: Improvements in work-holders
Inventor: MARTIN EDWARD AMBROSE
IPC: B24B41/06
Filed: 1950-03-10
Abstract: 693,689. Grinding. RIP-BITS, Ltd. March 12, 1951 [March 10, 1950], No. 6119/50. Drawings to Specification. Class 60. In a work-holder, more particularly for holding work for subjection to the action of a grinding wheel, of the kind comprising a carrier bed adapted to be secured to a base, a compound slide mounted on the carrier bed with its upper and lower slides movable at right angles to each other in adjacent planes, a housing mounted on the upper slide and swivelably adjustable thereon and adapted to be locked thereto, work holding means accommodated in the housing and mounted for rotation therein, means for rotating said work holding means and reciprocating means associated between the upper and lower slides for effecting slidable movement of the upper slide together with the housing and work holding means relative to the lower slide, the swivelable housing is mounted on the upper slide about a vertical pivot and a plurality of opposing pin-receiving holes are provided in the engaging faces of said housing and slide of which a pair of opposing holes come into register at various adjusted positions of the housing for reception of a join for locking said housing to the upper slide. The embodiment described is identical with that described in Specification 693,690, which is referred to.
Patent GB-212914-A (GB)
Title: A process of preparing stable colloidal solutions of silver and of silver and mercury
IPC: A61K9/10
Filed: 1924-03-11
Abstract: Colloidal solutions of silver in oils, fats, or fatty acids are prepared by introducing silver oxide, hydroxide, carbonate, or other compound capable of forming a soap with oils &c. into the oil fat, or fatty acid at 200-300 DEG  C. filtering the resulting solution, and passing in hydrogen.  The silver soap formed acts as a protective colloid.  The reduction by hydrogen may be preceded by the addition of an organic reducing agent, preferably oil-soluble such as hydroquinone.  The solutions thus obtained may, by heating with mercury, mercuric oxide, or other mercury compound, form colloidal solutions of silver and mercury.  In examples the precipitate obtained by adding caustic soda to a solution of a silver salt is added to oil, fat, or fatty acid at 200-300 DEG  C. and the solution filtered, when hydroquinone may be added and hydrogen is led in. Further examples show the addition of mercury and mercuric oxide to solutions of silver in olive oil and lard respectively. Specification 12982/13 is referred to.ALSO:In a process for preparing colloidal solutions of silver in oils, fats, or fatty acids by introducing silver oxide, hydroxide, carbonate, or other compound capable of forming a soap with oils &c. at a high temperature, into the oil, fat, or fatty acid at 200 DEG -300 DEG  C., filtering the resulting solution, and passing in hydrogen, silver soap is formed and acts as the protective colloid.  The reduction by hydrogen may be preceded by the addition of another reducing agent preferably oil-soluble such as hydroquinone.  Specification 12982/13, [Class 1 (i), Chemical processes &c.], is referred to.
Patent GB-167520-A (GB)
Title: Improvements in electrical insulators of the built-up or compound type
IPC: H01B17/14
Filed: 1920-03-02
Abstract: 167,520. Bultemann, A. F. E. March 2, 1920. Compositions containing bituminous or resinous materials.-A built-up insulator of the high-tension type is constructed by cementing its component parts with a wet mixture of a hydraulically-setting cement with finely ground asphalt and heating after the mixture is set. Preferably 75 per cent of Portland cement and 15 per cent of ground asphalt are used with an addition of a pulverous or fibrous filling substance such as asbestos or ground quartz.
Patent GB-471362-A (GB)
Title: Improvements relating to automatic reclosing circuit breaker mechanisms
IPC: H01H75/04
Filed: 1936-03-02
Abstract: 471,362. Automatic reclosing circuitbreakers. BRITISH THOMSON-HOUSTON CO., Ltd., and HUNTER, M. C. I. March 2, 1936, No. 6304. [Class 38 (v)] Clock-work actuation.-An automatically-reclosing breaker mechanism comprising in operative relation with a final operating mechanism for the breaker a rotatable member normally restrained from operation and adapted in'response to the release of breaker-tripping means, to rotate and thereby actuate the operating mechanism so as to effect resetting of the trip means and reclosure of the breaker in a predetermined cycle, has the rotatable member connected to the operating mechanism through means enabling the resetting part of the cycle to take place during less amount of rotation of the member than that during which the reclosure part of the cycle occurs. As adapted to the breaker described in Specification 432,581, tripping causes a rod 27 to be moved upwards, so moving a roller 23 clear of a crank 2 on a shaft 1. The resulting expansion of spring 16 raises a platform 14 and, by means of a pair of pulleys 12 and a rope 9, causes clockwise rotation of a pulley 6 which is in driving engagement with shaft 1 by means of a pawl 18 and single-tooth ratchet 21. The crank 2 carries a pin 30 taking in a block 31 slidable in a, slot 37 defined by arms 32 of a link 33, which is pivoted at 34 and has pivoted to it at 36 the link 35 connected to the main mechanism of the breaker. During a single complete revolution of pin 30, link 35 is first lifted to reset the trip mechanism and then lowered to reclose the breaker. Due to the sliding connection and to the location of pin 30 midway of the slot 37, link 33 attains its upper position in less than half a revolution of the pin, as shown at 30a, and rotates through an angle A. On further rotation of 30, link 33 retraces its movement and link 35, which had been moved to position 35a, is drawn downwards. The upward movement of link 35 is restrained by a dashpot 38. The arrangement of the pulley 6 and its winding means is substantially as in the prior Specification abovementioned, but the spring may be replaced by a weight.
Patent GB-195248-A (GB)
Title: An improved picture hook
IPC: A47G1/16
Filed: 1922-03-03
Abstract: 195,248. Ellison, W. W. March 3, 1922. Hooks.-A picture hook is provided with a tapered ring or loop in which the end of a walking stick &c. may be fitted for lifting the hook on to or off its support, and with a stop to facilitate the use of sticks &c. of a small diameter. The hook 1, having a curved portion 3 to engage the moulding 4, has a pair of wings 8 one on each side of the hook member, which are bent to form the loop. The stop 11 is formed by cutting away the centre portion of the part 3 and bending it forward over the loop.