baber/WOPTO huggingface dataset:
Patent GB-589381-A (GB)
Title: Improvements in or relating to valves for fluid pressure systems
IPC: F15B13/04
Filed: 1944-12-04
Abstract: 589,381. Fluid-pressure servomotorcontrol systems. AUTOMOTIVE PRODUCTS CO., Ltd., and CHOUINGS, L. C. Dec. 4, 1944, No. 32617/45. Divided out of 589,359. [Class 135] A control valve applicable, e.g. to the hydraulic system of the steering gear described in Specification 589,359 and including a reservoir 10, pump 12, accumulator 9 and a servomotor 15, comprises a casing having main and auxiliary connections 23, 24 respectively, a servomotor connection 21 and an exhaust connection 25 and housing a fixed sleeve 28 and complementary valve members 30, 42 pressed together by springs 36, 50 and by the liquid pressure on the annular shoulder 48 on the member 42. The conical end 31 of the member 30 is pressed against the sleeve 28 by the spring 36. When movement to the right of the servomotor piston 16 is required, the member 42 is moved to the right by the lever 52, this permitting liquid to flow under the action of the pressure liquid in the cylinder space 18 from the cylinder space 19, through the pipe 20 and the bore 58 of the valve member 30 to the exhaust connection 25. Movement of the member 42 to the left moves the conical end of the member 30 away from the sleeve 28 and permits pressure liquid to pass from the connection 23 through the pipe 20 to the space 19 of the servomotor cylinder and this, acting on the larger area of the piston, moves it to the left.
Patent GB-1441165-A (GB)
Title: Motion-compensated crown block system
IPC: C09D127/06
Filed: 1973-07-09
Abstract: 1441165 Maintaining constant tension in cable OCEAN SCIENCE & ENG Inc 9 July 1973 [26 July 1972] 32671/73 Heading B8B [Also in Division E1] A motion-compensated crown block sheave system for use in a drilling rig on a vessel comprises a crown block sheave 25 carried for movement along a straight path by a framework 22, and fluid pressure piston and cylinder means 55 pivotally connected to the sheave and the framework and inclined to the said path. The cylinders are connected to accummulator 69 and the pressure therein is controlled by means sensing movement of the sheave relative to the sea bed; such means may include a line (90) connected to the sheave 25 and to a sea-bed anchor (95) or riser pipe (107), Figs. 9, 10, 10a (not shown). Because of the inclined arrangement of the cylinders the required pressure changes are minimized, since as the sheave moves the inclination changes so that the vertical component of the force exerted changes in the opposite sense to the change in total force due to change in volume of the cylinders. This effect may be augmented by providing further fluid pressure cylinders 128, Fig, 8, which act downwardly when the sheave 25 is at its lowermost position and upwardly when it is raised with respect to the framework. A dashpot 73 is connected to the sheave and the framework; alternatively damping means may be incorporated in the cylinders or be fixed to the framework, Figs. 15, 16 (not shown). Idler sheaves 32 over which cable portions 33, 34 pass after leaving the sheave 25 are connected to the sheave 25 by links 85 and are either connected to the frame work by further links 80 or are slidable laterally in rails 137, Fig. 8, so that the distance between sheaves 25 and 32 is constant and wear on the cable is minimized.
Patent GB-1462454-A (GB)
Title: Wheel-chairs
IPC: A61G5/00
Filed: 1974-07-24
Abstract: 1462454 Moving furniture BARDIC ENG Ltd 16 July 1975 [24 July 1974] 32712/74 Heading A4U [Also in Divisions B7 B8 and F1] In a wheel chair, hydraulically actuated lifting means releasably secured to the side frames thereof extend downwardly for elevating the chair. As shown in Fig. 1 the lifting means 11 for each side frame includes a framework having a ram 14 and guide tubes 17, 18, the respective piston-rod 13 and guide rods 19, 20 of which are secured by clamps 22, 23 to a bar 21 which is pushed downwardly into engagement with the ground. The rams 14 of each side are connected by flexible hydraulic tubes to a common hand pump 23 mounted on a side arm 4 of the chair. The pump may be connected to the cylinders 14 via a five port valve (25), Fig. 2 (not shown) which reverses the flow to the rams according to the desired raising or lowering movement of the chair. Alternatively a reversible pump may be provided, Fig. 3 (not shown).
Patent GB-689574-A (GB)
Title: Improvements in or relating to fuels for jet engines
IPC: C10L1/02
Filed: 1949-12-22
Abstract: A fuel composition suitable for use in aviation gas turbine engines and jet propulsion engines comprises a liquid hydrocarbon fuel having a final boiling point above 410 DEG F and at least two alcohols having 1-3 carbon atoms in the molecule, the alcohol content of the composition being 25-75 per cent by volume. The liquid hydrocarbon fuel may be a narrow cut kerosene while alcohols mentioned are methyl, vinyl, ethyl, allyl, n-propyl, and isopropyl alcohols.  The presence of the alcohol reduces carbon deposition, liner distortion, and the carburization of metal parts.  In the example, a fuel composition consists of a catalytically cracked fuel stock (high aromatic hydrocarbon content and F.B.P. 504 DEG F) and 1/3 by volume of a mixture of equal proportions of methanol and iso-propanol.  The Specification as open to inspection under Sect. 91 refers to a fuel composition comprising a hydrocarbon fuel suitable for jet engines and a fairly large proportion of a low boiling alcohol miscible with the hydrocarbon fuel.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1182346-A (GB)
Title: Improvements in or relating to Haloalkylated Polymers and the Preparation of Ion Exchange Resins Therefrom
Inventor: BUFTON RICHARD GEORGE
IPC: C08F8/24
Filed: 1967-07-18
Abstract: 1,182,346. Haloalkylation of vinyl aromatic polymers. DIAMOND ALKALI CO. 18 July, 1967 [20 July, 1966], No. 32924/67. Heading C3P. A vinyl aromatic polymer, which may be cross-linked, is haloalkylated by reaction with a haloalkylation agent, e.g. methyl chloromethyl ether, in the presence of titanium tetrachloride or tetrabromide as a haloalkylation catalyst. The polymer may be polystyrene which may be cross-linked with divinyl benzene or by reaction with a halo-sulphonic acid/ aldehyde complex, e.g. a chloro-sulphonic acid/ para-formaldehyde complex. The haloalkylated polymer may be converted to an ion exchange resin by replacing the halogen atoms with quaternary ammonium, sulphonium, carboxylic acid or phosphonic acid groups, e.g. by treatment with trimethylamine, triethylphosphite with the phosphonium intermediate being hydrolysed, dimethyl sulphoxide and sodium cyanide followed by hydrolysis, or dimethyl sulphide.
Patent GB-850326-A (GB)
Title: Improvements in or relating to inflation valves
Inventor: SEED DANIEL
IPC: F16K15/06
Filed: 1957-10-23
Abstract: 850,326. Valves. KIDDE CO. Ltd., W. Oct. 23, 1958 [Oct. 23, 1957], No. 33099/57. Class 135. An inflation valve comprises an outer inlet 2 communicating with a cylinder 3 between the inlet and a tubular guide 5 for a tubular valve stem 11 closed and ported at its inner end 16 and carrying a valve 15 co-operating with an internal seat 10 in the guide, the tubular stem being connected to a piston 12 moving in the cylinder and having the chamber 7 on its inner side vented at 17. In an alternative embodiment, the cylinder is provided with a diagonal flange for connecting the valve to the wall of an inflation bag and the mouthpiece 2 is replaced by an inlet to which a plastic mouthpiece may be attached.
Patent GB-1431772-A (GB)
Title: Control systems for engines
IPC: F02D41/24
Filed: 1972-07-15
Abstract: 1431772 Engine control systems LUCAS ELECTRICAL CO Ltd 2 July 1973 [15 July 1972] 33235/72 Heading G3N [Also in Division F 1] A control system for an engine operating parameter, e.g. fuel injection quantity or ignition timing angle, comprises at least two transducers 7, 8 producing outputs dependent upon the values of engine parameters, e.g. speed, throttle angle, manifold depression, a memory unit to which the outputs are fed, the memory unit providing a binary output dependent upon the transducer outputs, and control means 23 operable in accordance with the binary output for controlling the operating parameter, at least one of the transducers, e.g. 7, producing an output which can have p different values, the memory unit being capable of receiving less than p different inputs, but the system further including a converter 9 for converting the range p to a smaller range q that can be handled by the memory unit. As shown, the transducer 7 is responsive to throttle angle and has a 4-bit binary output which is converted in the converter 9 to a 3-bit binary output which is applied to a unit 12 which energizes one of eight lines 14a - 14h depending on the throttle angle. The lines 14a - 14h are connected to respective switches 15a - 15h, a line closing its corresponding switch when energized. The transducer 8 is responsive to engine speed and produces a 3-bit binary output which is applied to a unit 11 which energizes one of 8 lines 13a - 13h depending on the engine speed. The lines 13a - 13h cross each line of 8 sets of lines 16a - 16h, diodes being positioned at selected crossover points. Depending upon which of the switches 15a - 15h is closed, and which of the lines 13a - 13h is energized, the appropriate 5-bit binary output is applied via lines 21 to a decoder 22 whose output is applied to the control deivce 23, e.g. a fuel injection pump. A converter which converts a 5-bit binary input to a 4-bit binary output is described with reference to Fig. 4 (not shown). However, it is not necessary to change the number of bits in the converter. It is merely necessary to change the range from an original number e.g. 32 to, say, 20 numbers.
Patent GB-360667-A (GB)
Title: Automatic extra air control for internal combustion engines
IPC: F02M23/09
Filed: 1930-11-06
Abstract: 360,667. Auxiliary air admission. FISHER, L. C., 143, Clare Road, Cardiff- Nov. 6, 1930, No. 33365. [Class 7 (iii).] A spring-loaded piston 8 is drawn down a cylinder 1 by engine suction to uncover a series of ports 12 formed at different levels and admit heated air to the choke side of a carburetter throttle valve through passages 11, 10, 6. Stops 14 limit the downward movement of the piston. The air entering is filtered at 3.
Patent GB-788354-A (GB)
Title: Method of filling receptacles
IPC: B65B31/02
Filed: 1955-11-22
Abstract: 788,354. Filling machines. CARTER, C. F. Nov. 22, 1955 [Feb. 28, 1955], No. 33428/55. Class 94(1). [Also in Group XVIII] A machine for filling valve bags with powdered material comprises a shroud into which the bag is introduced for filling by a series of increments of the material, vacuum being applied to the shroud and being temporarily reduced between the feeding in of each increment. The shroud is connected to weight responsive means which stop the filling when the desired quantity has been bagged. The shroud 40 consists of a casing in operable halves with blocks 80, 81, 83, 84 which engage the top and bottom bag seams. The walls are grooved at 51 to assist removal of air, and opening and closing of the halves is controlled by a pneumatic actuator 57. A filling nozzle 101 is secured to the shroud and has expandible sealing rings 105, 106 fed by pressure fluid from conduits 116. 118, the rings engaging the bag valve M. The shroud is suspended from weight responsive means 13 having a connection 27 with a switch 28, the opening of which stops the filling operation and causes the shroud to open. A switch D.S. is provided which prevents commencement of filling until the shroud is closed. Material is conducted to the nozzle by flexibly jointed pipes 130 from a funnel 132. The shroud has vacuum and atmospheric connections 96, 90 respectively and these, with the material supply connection, are controlled by fluid pressure operated valves. The pipe 130 has a similar valve controlled atmospheric or pressure supply connection 134. The filling process is automatic throughout after putting a bag B in the shroud and pressing a starter button 150, the various operations being initiated by relays, Fig. 6 (not shown), controlling the flow of pressure fluid to the valves and actuator 57. After the button is pressed, the shroud closes, the sealing rings are expanded and air is blown into the bag via conduits 130, 134 for a period controlled by a timer. The vacuum valve is opened and atmospheric connection 90 closed, and when vacuum in the shroud reaches a desired degree, the material feed valve opens for a period determined by a timer 160. Upon cessation of feed, the vacuum valve is closed momentarily and the atmospheric connection 90 momentarily opened to cause a drop in vacuum. The vacuum again builds up and automatically sets off the timed feed. This process is repeated until the bag weight causes opening of the switch W.S. Then the shroud interior is brought to atmospheric pressure, the sealing rings 105, 106 are deflated and the shroud opens to permit bag removal. Specification 788,355 is referred to.
Patent GB-1061098-A (GB)
Title: Improvements in hydraulic damping devices
IPC: F16F9/18
Filed: 1963-08-23
Abstract: 1,061,098. Dashpots. J. L, GRATZMULLER. Aug. 23, 1963 [Aug. 30. 1962; Aug. 9, 1963], No. 33523/63. Heading F2S. A damping device, e.g. for a circuit-breaker,  comprises a piston 2 with rods 4, 4<SP>1</SP> which extend respectively through seals 16, 16<SP>1</SP> in endplates 14, 10 closing a working cylinder 8 which has calibrated damping orifices 22, 22<SP>1</SP>, 24 and 20, 20<SP>1</SP> all disposed on the same axial line in the wall of the cylinder. The end plate 10, which closes off the insulating column 12 of the circuit-breaker, also supports a tank 18 filled with oil and the lower end of a disengagement spring 26 the upper end of which rests against a thrust washer 28 secured to the rod portion 4. The damping orifices could be distributed throughout a zone of the cylinder wall defined by two axial lines separated by an arc of not more than 90 degrees. The zone at one end of the cylinder can be angularly displaced from that at the other end. A generally similar arrangement is also described in which the piston is attached to the piston-rods in a manner which allows a degree of radial float.
Patent GB-995920-A (GB)
Title: Coating composition for nuclear reactor gas circuits
Inventor: WADDINGTON FRED BERRY
IPC: C09D133/10
Filed: 1962-08-31
Abstract: Compositions for coating the internal surfaces of nuclear reactor gas circuits to prevent corrosion during the construction of the reactor comprise poly-n-butyl methacrylate and 3 to 15% by weight thereof of carbon black, the mixture being used in the form of a solution of the methacrylate polymer in an organic solvent, the carbon black being present as a dispersion. Suitable solvents are trichlorethylene and perchlorethylene and mixtures thereof. When the construction of the reactor is completed, the polymeric coating can be removed by thermal decomposition at 200 DEG  C.
Patent GB-742517-A (GB)
Title: Process for the preparation of lubricating greases
IPC: C10M169/00
Filed: 1953-12-03
Abstract: Lubricating grease is prepared by heating a mixture of a lubricating oil and an alkaline earth metal soap of a hydroxy fatty acid to a temperature sufficient to dehydrate the mixture and to form a colloidal dispersion of the soap in the oil, and, while cooling the mixture to 210 DEG F. or below, subjecting the composition to shearing at a rate of at least 25,000 reciprocal seconds.  Hydroxy fatty acids referred to are hydroxy stearic acids, hydroxy palmitic acids, hydroxy myristic acids and hydroxy behenic acids: acids derived from hydrogenated castor oil and hydroxy acids produced by catalytic oxidation of hydrocarbon-oils and waxes are particularly specified.  Normal or basic salts may be used.  Minor proportions of other soaps, such as sodium soaps, e.g. sodium stearate, oleate and 12-hydroxy stearate may also be present in the alkaline earth metal soap.  The lubricating oil may be a mineral oil, for example one prepared by redistilling a gas oil or lubricating oil fraction over caustic soda, extracting the distillate with a solvent such as sulphur dioxide, furfural or phenol and refining the raffinate with an absorbent; or a synthetic oil such as esters of aliphatic dibasic acids, esters of aromatic mono- and di-basic acids, aliphatic ethers, organic phosphates, phosphonates, organic silicates and silicones; examples specified are bis 2-(ethylhexyl) sebacate, dibutyl phthalate, tetrakis-(2-ethylhexyl) silicate, dioctyl phthalate, tributyl phosphate, polymers of trimethylene glycol and copolymers of ethylene glycol and propylene glycol, Oxidation inhibitors such as aromatic amines, e.g. N, N1-tetramethyldiaminodiphenylmethane, diphenylamine and phenyl alpha-naphthylamine, may be added to the grease.  The soap may be formed in situ in the lubricating oil or the preferred soap may be added to the oil.  The temperature during the dehydration of the composition may be at least 325 DEG F.  Shearing may be effected, for example, by passing the grease through a colloid mill, or a multiple roll mill such as a paint mill, or by pumping the grease through a screen.
Patent GB-343020-A (GB)
Title: Improvements in advertising and display devices
IPC: G09F13/00
Filed: 1929-11-06
Abstract: 343,020. Changing signs. WEAVER, W., 5, Tokar Street, Southsea, Portsmouth. Nov. 6, 1929, No. 33727. [Class 3 (i).] A slotted disc 6 is rotated behind a slotted panel 2 forming the front of a casing 1. Both the disc 6 and the panel 2 are reversible, the disc being mounted on the panel by a detachable stub spindle 12 having a pivoted retaining member 17. The disc has coloured material covering its apertures, and is rotated bv a motor 10 through a belt 8 passing round a groove 7 in the rim of the disc. A lamp 19 is mounted in a reflector 11 behind the disc.
Patent GB-521470-A (GB)
Title: Improvements in coin-freed vending machines
IPC: G07F11/54
Filed: 1938-11-21
Abstract: 521,470. Coin-freed article-delivery apparatus. WITTENBORG, E. Nov. 21, 1938, No. 33794. Convention date, Nov. 20, 1937. [Class 27] In a coin-freed goods delivery .apparatus in which the goods are stored in compartments of a delivery drum rotatable step-by-step about a vertical axis to bring each compartment in turn into register with an opening normally closed by a delivery gate, the drum 1, Fig. 1, is prevented from rotation by a pawl 15 coacting with lugs 21 on the drum, the pawl being unaffected by the opening of the gate 3 after prepayment, but being actuated during the. last part of the closing movement of the gate to release the drum which is thereupon rotated to bring the next compartment behind the delivery gate. The apparatus shown comprises a number of drums 1 controlled by a common coin controlled release mechanism consisting of a rod 12 which can be slid vertically only if a coin has been inserted. Each gate 3, when swung down. about a pivot 4, through an arm 6 and lever 8 slides a member 10 to the right. The members 10 have slots 41 engaging pins 40 on the rod 12 whereby the rod 12 is moved. A series of aligned rods 11 with pins 42, 43 to engage recesses 44, 45 on the members 10 prevent in known manner more than one member 10 from being actuated at a time. A counterweighted pawl 14 on the member 10 that is actuated moves past the.pawl 15 locking the corresponding drum, during the opening of the delivery gate for that drum without affecting the pawl 15. After the purchaser has taken the goods from the exposed compartment of the drum, the gate is closed. During the last part of the closing movement, the pawl 14, which is: tiltable in one direction only, rocks the pawl 15 to release the drum which is thereupon rotated through one step by a spring acting through a toothed sector engaging a pinion 20 on the drum shaft. Pawls 23 prevent backward rotation of the drums. These pawls can be released, when the drums are to be refilled, by lugs on a vertical rotatable shaft 26. The delivery gates 3 are provided with windows through which the goods are visible, and, since separate windows arranged at the sides of the drums are not necessary, several columns of drums disposed side by side can be provided in a single apparatus. The Specification as open to inspection under Sect. 91 comprises also a curved spring-hinged bar which is normally prevented from moving into the drum compartment by the goods therein. When the goods are removed the bar rotates and the pivot pin carrying it is slid vertically by engagement with a ramp. This sliding movement of the pivot pin removes it from a fixed stop which prevents rotation of the drum. When the delivery gate is closed, the drum can rotate until a full compartment comes into position behind the gate. This subject-matter does not appear in the Specification as accepted.
Patent GB-155577-A (GB)
Title: Manufacture of derivatives of 3:3-diamino-4:4-dioxyarsenobenzene
IPC: C07F9/74
Filed: 1920-11-30
Abstract: Stable solutions are obtained by mixing solutions of 3 : 31-diamino-4 : 41-dioxyarsenobenzene methylene sulphoxylate and the sodium salt of 3 : 31-diamino-4 : 42-dioxyarsenobenzene or the complex silver compound thereof, or by mixing the two ingredients in powder form and dissolving the mixture.  The resulting solution contains the two ingredients in chemical combination, that made from the sodium salt not being precipitated by carbon dioxide, and that made from the silver compound not being precipitated by salt or carbon dioxide.
Patent GB-1235328-A (GB)
Title: Conversion of heat into kinetic energy
Inventor: VOORT ERIC VAN DER
IPC: H02N10/00
Filed: 1968-07-16
Abstract: 1,235,328. Electromagnetic pump. EUROPEAN ATOMIC ENERGY COMMUNITY. 16 July, 1968 [2 Aug., 1967], No. 33873/68. Heading H2A. In a converter of heat into kinetic energy a fluid containing ferromagnetic particles is drawn into solenoid A by the action of the magnetic field and whilst within the solenoid has its temperature raised above the Curie point of the particles whereby it becomes substantially non- magnetic and can flow freely out of the solenoid. The magnetic field has a field strength which varies along the length of the solenoid such that the magnetic entropy of the fluid remains constant. In the system shown, the fluid containing ferromagnetic particles is passed into solenoid A where it is heated by exchange with a secondary fluid which flows in the opposite direction around the circuit. The accelerated fluid is further heated at D and then passed through heat exchanger B to heat the second fluid. The kinetic energy of the fluid is used in a turbine or MHD generator t before the fluid is cooled below the Curie point temperature ready for re-entering the solenoid A. The second fluid is further heated at G and cooled at E, F before being recirculated by pump P. The variation of magnetic field strength along the length of solenoid A is obtained by varying the number or diameter of the turns, or both, along its length. Alternatively the coil may contain a plurality of sections each energized at different current levels.
Patent GB-1302507-A (GB)
IPC: G01P3/488
Filed: 1971-07-20
Abstract: 1302507 Measuring angular velocity electrically FIAT SpA 20 July 1971 [16 Oct 1970] 33898/71 Heading G1N In apparatus for measuring the angular velocity of a rotating member by means of a toothed wheel R rotating with the member, a pick-up unit comprises two permanent magnets M1, M2 with facing like poles, each with two pole shoes S1, S2 and S3, S4 and a linking core N carrying a coil B, the spacing being such that when poles S1 S3 are facing teeth on wheel R, poles S2, S4 are facing gaps. Thus, movement of wheel R through one tooth pitch produces a flux reversal in core N and one cycle of A.C. voltage in coil B, whereby the frequency of the voltage in coil B is proportional to the angular velocity of wheel R. The number of cycles from coil B can be counted to determine the angular displacement of wheel R.