baber/WOPTO huggingface dataset:
Patent GB-318915-A (GB)
Title: Improvements relating to railway traffic controlling apparatus
IPC: B61L3/22
Filed: 1929-07-30
Abstract: 318,915.. Westing- house Brake & Saxby Signal Co., Ltd., (Assignees of Lucas, S. M.). Sept. 12, 1928, [Convention date]. Electrical systems, automatic. - An inductance bond for an insulated track section which carries alternating current of two frequencies, for signalling, train-controlling, or other purposes which is resonant at both frequencies comprises a primary winding 3, a secondary winding 5, a condenser 6, and a condenser 7 and reactor 8 in series. In an alternative form the condenser 7 and reactor 8 are in parallel across the condenser 6 and the secondary 5. For the bond to resonate at both frequencies, the inductive reactances of the winding 5 and of the reactor 8, and the condensive reactances of the condensers 6 and 7 must satisfy three stated conditions. The bonds may be used on tracks where a train-controlling current is not used and the signalling current is of a frequency different from that of the propulsion current.
Patent GB-1585108-A (GB)
Title: Braking apparatus with inshot
IPC: B60T8/18
Filed: 1976-06-08
Abstract: The arrangement contains a brake pressure control valve (1 to 15, 27, 28), which adjusts the feed pressure of the pressure medium from the driver's brake valve at the valve inlet (13) to an output pressure, dependent on the vehicle load (9), to the brake actuating devices of the vehicle at the brake pressure control valve outlet (27). At the start of a braking sequence, a control valve (30) applies a control pressure (50) to the brake pressure control valve (1 to 15, 27, 28) which, as a result, in a first stage delivers an output pressure which does not vary as a function of the vehicle load, and in a second stage an output pressure which varies as a function of the vehicle load. The control valve (30) contains two valve elements (19, 24), which can be moved by pressure medium, with a venting passage (23) for gradual reduction of the control pressure (50) so that the output pressure of the brake pressure control valve increases during the second pressure stage. Once an appropriate period has elapsed, the brake pressure control valve therefore delivers an output pressure, which varies as a function of the vehicle load, to the brake actuating devices of the vehicle and any trailer. <IMAGE>
Patent GB-517927-A (GB)
Title: Improvements in or relating to electric remote control systems
IPC: G05D3/14
Filed: 1938-08-10
Abstract: 517,927. Electric control systems. LIST. H. Aug. 10, 1938, No. 23555. Convention date, Aug. 18, 1937. [Class 40 (i)] In an electric remote control system of the automatically balanced bridge type, rebalancing is effected by a mechanical relay device which is directly controlled by the bridge relay. As shown in Fig. 2 the polarized bridge relay 12 is supported on a slide 9 and has an armature 10 with a ring shaped end 13 rotatably mounted in the slide. The ring 13 supports a rotatable friction roller 14 which co-operates with a constantly rotated cylinder 17. Normally, when the bridge is balanced, the roller 14 is rotated in a plane at right angles to the axis of the cylinder, but when the relay 12 is operated by an out of balance current, the roller 14 is deflected and a driving force is communicated to the slide 9 to move it along the guides 19, 20 and thereby vary the resistance 3 to rebalance the bridge. In a modification, the armature of the relay 12 comprises a ring 13 having diametrically arranged pole pieces, stops being provided to limit the amount of rotation. In a further modification, the slide 9 may be dispensed with the roller 14 being continuously driven and adapted to impart rotational and longitudinal motion to the cylinder 17 ; furthermore the cylinder may be replaced by a disc the drive being communicated by a plurality of radially disposed friction rollers carried on the periphery of the disc and adapted to co-operate with a driving roller operable by the relay. The mechanical relay may also be connected to a similar relay to provide amplified power. Several rollers 14 arranged parallel to one another also may be provided. The resistances 2, 3 of the bridge may be dissimilar so as to produce integral movements of the contacts 4, 5 and the arrangement may be such that the potential drop in the bridge wire is representative of the speed up movement of the control contact 4. The system may be applied to the control of a gun or searchlight by a sighting device.
Patent GB-221956-A (GB)
Title: Improvements in apparatus for the catalytic production of synthetic ammonia
IPC: C01C1/04
Filed: 1923-09-20
Abstract: 221,956. Casale, L. Sept. 20, 1923. Conveyer apparatus, ejector; regulating and controlling.-The circulation of the reacting gases in an apparatus for the synthesis of ammonia is effected by means of an injector, into which the fresh gases are forced through the opening A and filter f at a pressure greater than that of the uncombined gases entering by the opening B. The velocity of the mixture passing out by the pipe C is adjusted by means of the regulating needle d in the nozzle c.
Patent GB-1012138-A (GB)
Title: Tilting apparatus for rolled material
IPC: B21B39/24
Filed: 1962-06-20
Abstract: 1,012,138. Rolling. SIEMAG SIEGENER MASCHIENENBAU G.m.b.H. June 20, 1962 [July 3, 1961], No. 23663/62. Heading B3M. Tilting apparatus for rolled material includes a pair of relatively movable tilting heads 2 and 3 which are carried on a frame 14 which itself is supported by two levers pivotally mounted on a movable framework. The heads are pivotally held in the frame and are interconnected by toothed segments 7 and 8. An hydraulically operated lever 31 acting on an arm 5 moves the heads towards and away from each other, the different lengths of the two segments 7 and 8 causing the head 2 to be moved to a greater extent than head 3. The frame 14 is turned by a lever 19 which is rotated about an axis X by an hydraulic piston and cylinder assembly by means of links 17 and 23 pivotally attached to extremities 13 and 15 of the frame. An end 25 of the link 23 is located through a link 26 with the framework 1 at an axis Y. Thus the motion of the frame is determined by the positions of axes X and Y and of the linkwork. Electric motors or electromagnets may replace the hydraulic pistons. Adjustable bushes 26 at the axis Y allow changes in the tilting axis.
Patent GB-800940-A (GB)
Title: Improvements in or relating to terminals for electrical capacitors and like electrical components housed in cans
Inventor: ROBINSON FREDERICK CHETHAM
IPC: H01B17/30
Filed: 1955-08-17
Abstract: 800,940. Moulding electrical capacitors. HUNT (CAPACITORS), Ltd., A. H. Aug. 15, 1956 [Aug. 17, 1955 ; Dec. 6, 1955], Nos. 23746/55 and 35021/55. Class 87(2). [Also in Group XXXVI] A terminal for a component housed in a can, e.g., a condenser, is formed by a tube 19 moulded to a sheet metal ring 11, which is later soldered to the can, by a resin 20, a removable polythene mould 16 being used. When the moulding is completed, a terminal tag is secured to the tube by riveting over the outer end thereof, Fig. 4 (not shown). Alternatively, a lead 24 from the component is led up through the tube and is soldered to the riveted over end of the tube as is an external lead 27, a depression 29 formed in the resin during moulding due to a projection 28 in the mould being then fitted with more resin or the tube may be squeezed flat against a terminal lead. In another embodiment the terminal is sealed directly into the cover 11 and is in the form of a screw-threaded stem, the mould 16 having an aperture for the passage of the stem and being detachably secured thereto by nuts 33, 32. The resin is preferably of the epoxy type and may be mixed with a plasticizer, e.g., dimethyl pthalate.
Patent GB-811381-A (GB)
Title: Improvements relating to heat pumps
Inventor: BURTON PHILIP
IPC: F24H4/04
Filed: 1956-08-02
Abstract: 811,381. Refrigerating. V. D. M. SPINNERS Ltd. Oct. 2, 1957 [Aug. 2, 1956; May 24, 1957], Nos. 23795/56 and 16539/57. Class 29 A heat pump system comprises compressor a and condenser m coupled to an evaporator f located in a refrigerator or other thermally insulated enclosure g and an evaporator h external to the refrigerator. The evaporators may be in parallel branches of the refrigerant circuit or in series. In the former case flow of refrigerant is controlled by separate expansion valves e in each branch and by solenoid cut-off valves d in each branch, or a single solenoid in the refrigerator branch, or by a distributer valve at the entry junction of the branches, or by varying the adjustment of the expansion valve in the refrigerator branch; in each case the variable valves are controlled by the temperature of the refrigerator chamber. In a preferred cabinet arrangement forming part of a kitchen unit, the compressor and condenser are immersed in a water tank housed in a lower compartment 6, the external evaporator coil 7 is housed in a central compartment 1, while the refrigerator cabinet 5 is located above the central compartment. The central compartment 1 is divided by partitions 2, 3 and 4 into four chambers. Access to the upper chambers is through ducts 14, 15 leading through the wall of the building containing the heat pump and openings 12, 13 in the cabinet wall. The ducts and openings are closed by flaps 17 operated by a linkage 18. A blower 8 draws air from one upper chamber, through an opening 10 over the evaporator coils 7, through an opening 11a and into the upper chamber. By arrangement of the flaps 17 the air may be from outside or inside the building and reflected from the evaporator to outside or inside the building. The external evaporator coil 7 may be located at the top of the cabinet.
Patent GB-223556-A (GB)
IPC: H02K17/28
Filed: 1924-10-08
Abstract: 223,556. Deutsche Werke Akt.-Ges. Oct. 18, 1923, [Convention date]. Alternating-current commutator machines; brushholders.-The correct position of the brushes of a compensated alternating- current motor for both directions of rotation is indicated by marks which are formed on extensions c of the brush-holder b and are observed through an aperture a in the motor casing.
Patent GB-169883-A (GB)
Title: Improvements in or relating to brakes for cycles
IPC: B62L5/00
Filed: 1920-08-17
Abstract: 169,883. Mehta, P. M. Aug. 17,1920. Brake mechanism.-A back-pedalling brake comprises a ratchet-plate a fixed to the chainwheel b, and a pawl c and bar d attached to the stirrup e carrying the brake blocks f. The lower end of the pawl forms a counterweight, which may be replaced or supplemented by a spring.
Patent GB-644605-A (GB)
Title: Device for directly detecting, measuring and utilising for the purposes of control, variations in angular velocity of oscillatory movements
IPC: G01P15/14
Filed: 1947-08-29
Abstract: 644,605. Accelerometers. POLLOPAS PATENTS, Ltd. Aug. 29, 1947, No. 24012. Convention date, May 25, 1945. [Class 106 (iii)] A device for directly detecting, measuring and utilizing for control purposes, variations in angular velocity, comprises means for resolving the controlling motion into two components, one being directly proportional to the controlling motion and the other, by means of an arrangement utilizing the inertia of a mass and an interposed resilient system, being displaced in time relative to the first component whereby the difference between the two motions gives a measure of any change in velocity. In the described embodiment the controlling motion is imposed on a shaft 1 carrying a lever 2 having arms of equal length. One arm is linked by a member 8 to one arm of a similar lever 6 pivoted at the end 5 of a control lever 4, while the other arm of the lever 2 is pivoted to a forked link 11 connected to a delaying or damping device. One branch of the fork 11 is pivoted at 12 to one end of a duplex lever 13, the other end of which is linked to the second arm of the lever 6. The second branch of the fork 11 carries a horizontal bar 25 engaged, above and below, by buffers 26<SP>1</SP>, 26 carried in brackets which are secured to a sector arm 20 pivoted about a point 16. The sector 20 drives, through a train of gears, a fly 23 which offers considerable inertia to changes in velocity of the sector 20. Thus, when the lever 2 and fork 11 move with uniform velocity, the duplex lever 13 moves uniformly upwards and the lever 6 turns about its pivot 5 which remains stationary. During accelerations of the lever 2 and fork 11, however, the resistance offered by the fly 23 is transmitted through one or the other of the resilient buffers 26<SP>1</SP>, 26, delaying movement of the end 17 of the duplex lever 13 and causing displacement of the pivot 5 of lever 6 and, therefore, operation of the control lever 4 (see Figs. 3, 4 and 5, not shown).
Patent GB-1522746-A (GB)
Title: Device for converting tonal images to line drawings
IPC: H04N1/40
Filed: 1976-06-10
Abstract: 1522746 Television; line images WESTINGHOUSE ELECTRIC CORP 10 June 1976 [10 June 1975] 24045/76 Heading H4F Apparatus for producing a line drawing from a tonal image such as a photograph or the object itself, comprises a video scanner and receiver, and signal processing circuitry, said circuitry comprising a passive differentiator, a pulse rectifier, a threshold detector passing only those pulses above a predetermined threshold, and a pulse generator, triggered by the differentiated pulses, for producing pulses of equal amplitude and width for producing lines of constant width on the receiver. As described a noise filter 7 eliminates variations in the video signal due for example to film grain if a photograph is being scanned, and the differentiator 9 comprises an R.C. circuit (Fig. 4, not shown) wherein the capacitor is adjustable to vary the dynamic response to tonal images having various focus and edge qualities. Unipolar video amplifier 10 rectifies all negative going pulses, and threshold detector 11 can be varied from just above noise level, giving maximum sensitivity to edges, to a level wherein only pulses representative of distinct edges are passed. Pulse generator 12 may be a oneshot multivibrator wherein the duration of pulses it produces is variable so that the thickness of the lines constituting the drawing is variable. The receiver 4 is synchronized with scanner 1 via line 6, and switch 3 enables the tonal image rather than the line drawing to be displayed at 2. A hard copy of the line drawing may be made by photographing the monitor screen or by using a display monitor having an associated hard copy unit.
Patent GB-405723-A (GB)
Title: Improvements in or relating to devices for protecting crops from the weather
IPC: A01G13/04
Filed: 1932-08-29
Abstract: 405723 Preserving crops P SEEL 21 Reinganumstrasse Frankfort-on-Main Germany 29 Aug 1932 24132 [A Specification was laid open to inspection under Sect. 91 of the Acts 29 Aug 1932] Index E1A 758 A shock, sheaf, or stack of corn is protected from weather by a conical or prismatic hood of paper like material, impregnated, preferably with oil, to render it waterproof and provided at its top with holes 2 for ventilation. A cord 4 passing through holes 3 enables the cover to be tied tightly round a sheaf. The material of the hood may be made up of several thin layers with fabric or netting between them. The hoods may be folded when not in use and hung up for storing.
Patent GB-717805-A (GB)
Title: Process for incorporating particles of an inorganic substance into paper
IPC: B41M5/155
Filed: 1952-09-26
Abstract: 717,805. Paper containing inorganic &c. substances. NATIONAL CASH REGISTER CO. Sept. 26,1952 [Oct. 20,1951], No. 24146/52. Class 96. Paper is treated as by immersion or by rollers, first with a solution of sodium or potassium silicate &c. and then with a sulphate, nitrate, chlorate acetate, bromide, fluroride, iodate, or perchlorate of magnesium, aluminium, mercury, zinc, calcium, barium, strontium, caesium, lead, manganese or tin to precipitate fine particles of an insoluble silicate about the fibres of the paper, which then shows colour effects when marking fluids acting by absorption, e.g. Malachite green lactone, rhodamine-B-N-phenyl lactam, N-p-nitrophenl-y rhodamine-B-lactam are applied thereto. An oxidizable dye e.g. benzoyl leuco methylene blue and an oxidizing agent e.g. sodium or potassium chlorate, may be present. A latex e.g. of an anionic butadiene-styrene copolymer, may be included with the sodium silicate solution. The order of application of the reacting solutions may be reversed. The precipitated substances may also reduce "bleeding" of writing or printing inks, &c.
Patent GB-165759-A (GB)
Title: Improved process for the manufacture of phosphoric acid
IPC: C01B25/232
Filed: 1920-08-19
Abstract: Phosphoric acid is obtained by treating phosphate with an equivalent quantity or less of sulphuric acid of such a concentration, for instance 42 DEG  B<\>ae, that enough water is present to hydrate the calcium sulphate completely.  The operation may be effected in ordinary superphosphate apparatus, and the mass, after removal from the den in the usual manner, is leached in ordinary apparatus.  The hydration of the calcium sulphate may be completed in the leaching apparatus by wetting the mass.  The phosphoric acid obtained is of 30 DEG  B<\>ae.
Patent GB-583780-A (GB)
Title: Improvements relating to ceiling roses and like electrical fittings
IPC: H02G3/20
Filed: 1944-12-04
Abstract: 583,780. Ceiling-roses. GREGG, W. G.'D. Dec. 4, 1944, No. 24204. [Class 38 (i)] A ceiling rose or wall fitting for carrying an electric light pendant &c. is provided with a socket member connected to the supply mains and a plug member carrying the lamp flex, the plug and socket members being held together,by a cover which is screwed to the socket member and encloses the plug. Fig. 1 shows a ceiling rose comprising a plate a fixed to the ceiling and to a socket member d. The lamp flex j is connected to a plug f which is enclosed in a cover gwhich is in screwthreaded engagement with the socket member d. The cover g may clamp a ring h having hooks h<1> to which the chains of a bowl may be attached. Fig. 2 (not shown) illustrates a modification in which the ring h is omitted and a tubular pendant is suspended from the lower opening in the cover g. Fig. 3 (not shown) illustrates a further modification in which a hook with a tubular shank is suspended from the cover, the flex passing through the shank. Chains may be attached to the hook for supporting a bowl.
Patent GB-194332-A (GB)
Title: Improvements in central buffer couplings for railway vehicles
IPC: B61G9/02
Filed: 1921-09-12
Abstract: 194,332. Mitchell, J., and Cossey, J. C. G. Sept. 12, 1921. Combined buffer and draw-gear.-A central buffer coupling for railway and like vehicles has a draw-hook which is integral with a member of substantially uniform rectangular cross-section entirely enclosing or enclosed by an extension of the buffer head on or in which it slides and is guided under the draught stresses, one or more draw-bars rigidly secured to the draw-hook transmitting these stresses to a spring to which also the buffing stresses are transmitted by the extension of the buffer head. The draw-hook 33, Fig. 7, slides in the buffer extension 2, which is guided in a bush 40 inserted in the headstock. The buffer head is open at the front end through which the draw-bar and hook are inserted. The hook 33 is provided with a safety flap 30 protected by a casing 31. In the arrangement shown in Fig. 5, the hook 33 is integral with a hollow rectangular casing 3 which slides on the buffer shank 2 which is stepped to take the front follower plate and extended through the combined buffing and draw spring and rear follower plate to take a compression nut. Two draw-rods 8 connect the rear follower plate and the casing 3, and in the event of the rods breaking the hook slides along the buffer shank until it meets the buffer head, which then transmits the draught stresses to the spring. The spring casing is extended through the headstock and may be provided with a ledge 38 which supports and guides the hook. A spring 27 between the hook and buffer head maintains the buffer heads of opposing couplers in contact when coupled. A lip 32 provided on the top of the buffer head prevents the coupling link falling between the hook and buffer head. In a modification, the buffer shank is extended through the combined buffing and draught spring by means of a rod secured to the shank by a key or by a bolt head engaging a slot in the end of the shank.
Patent GB-323186-A (GB)
Title: Improvements in the electrical precipitation of dust from gases
IPC: B03C3/014
Filed: 1928-08-23
Abstract: 323,186. General Electric Co., Ltd., and Forrest, F. Aug. 23, 1928. Gases, treating electrically. - Hot dust-laden ,gases are passed through a heat exchanger in which air is preheated and are simultaneously - subjected to an electric precipitation treatment. In the illustrated apparatus the hot gases entering at 11 flow through the tubes 13 containing discharge electrodes 3 and emerge at 9. The precipitated dust is collected in the hopper 10. Air to be preheated enters at 1 and flows through the .space 2 surrounding the tubes, leaving through - the pipe 4. In another modification, the apparatus is divided by parallel partitions into a number of thin flat compartments. The hot gases flow through alternate compartments, which contain discharge electrodes, while the air to be heated flows through the other series of passages. Specification 136,464 is referred to.
Patent GB-240831-A (GB)
IPC: H02K17/38
Filed: 1925-09-29
Abstract: 240,831. Siemens - Schuckertwerke Ges. Oct. 4, 1924, [Convention date]. Alternating - current commutator and induc tion machines. - An alternating - current commutator machine which is cascaded with an induction machine for speed regulation or phase compensation, is provided on the stator with a cage or phase winding electrically independent of the rotor winding and having such a ratio of ohmic to inductive resistance that the machine is self-exciting. The correct ratio of the resistance components is arrived at by experimental variation of the two quantities. In the form shown, the commutator machine 2, cascaded with an induction motor 1, is independently driven by a motor 3 and has a phase winding 2 on the stator connected to an adjustable resistance 5. The method of self-excitation allows phase compensation to be effected when the main machine runs idly. The Specification contains numerical data relating to a commutator machine for cascading with a 70 k.w. main machine.
Patent GB-908761-A (GB)
Title: Disinfectant liquid
IPC: C11D1/00
Filed: 1957-07-31
Abstract: A disinfectant liquid, suitable for use in a chemical closet contains water, formaldehyde preferably in the proportion of 10 to 20% by weight per 100 c.c. of liquid, dichlor-metaxylenol preferably in an amount of not less than 2 grams and not more than 6 grams per 100 c.c. of liquid and methylene blue preferably in an amount of 0.25 to 1.0 grams per 100 c.c. of liquid, the dichlor-meta-xylenol and the methyllene blue exercising a synergetic effect upon the formaldehyde and each other.
Patent GB-1312568-A (GB)
Title: Containers and closures therefor
IPC: B65D51/00
Filed: 1971-04-19
Abstract: 1312568 Injection moulding container lids LABAZ 19 April 1971 [26 Feb 1970] 24340/71 Heading B5A [Also in Division B8] A plastics container, having a neck 10 fitted with an integral end closure 11, is provided with a cap (15) (Fig. 3, not shown) moulded over the end of the neck and the end closure. The moulding is achieved with the aid of two dies 16A, 16B, one of the dies having a passage 18 for the injection of the moulding material. The cap (15) is of elastic material, for example a natural elastomer, synthetic elastomer, or thermoplastic homopolymer or copolymer.