baber/WOPTO huggingface dataset:
Patent GB-1515744-A (GB)
Title: Gear and wave energy conversion device
IPC: F03B13/18
Filed: 1975-05-16
Abstract: 1515744 Converting reciprocating motion into rotary motion M G TORNABENE 16 May 1975 21050/75 Heading F2Q [Also in Division F1] A device for converting wave motion in a body of water into useable energy comprises float means carried on a vertically extending rack 13 to cause vertical reciprocating motion of the rack in response to wave motion, the rack co-operating with pinion means arranged to drive an output shaft through a transmission, the transmission or the rack and pinions including unidirectional drive means so that the output shaft is driven in both directions of movement of the rack 13, and the float means including a float 23 and a spherical additional mass element 22.
Patent GB-903938-A (GB)
Title: Reflecting highway marker
IPC: E01F9/07
Filed: 1960-06-15
Abstract: 903,938. Reflex reflectors. ABBOTT, G. R. June 15, 1960, No. 21059/60. Class 3 (2). A reflecting road stud comprises a pair of opposed reflex reflectors 46, 48 mounted on a spring-loaded bridge 20 carrying two pairs of spaced buttresses 24, the casing 12 of the unit being provided with a gasket 26, 28 presenting a wiping surface to the reflectors.
Patent GB-315361-A (GB)
Title: Improvements in or relating to adjustable throw cranks
IPC: D06F39/00
Filed: 1929-07-09
Abstract: 315,361. Borden Co., (Assignees of Green, L. B.). July 12, 1928, [Convention date]. Eccentrics.-An adjustable-throw crank 17 for operating washing machines of the oscillator or agitator type, reversing locomotive slide-valves &c., is movable across the shaft centre to either side thereof, while the machine is running by independent rotation of a central toothed pinion 31 effected by axial movement of a control spindle 18, a cylindrical extension 30 of the pinion being rotatably seated in the main crank boss 11 anu formed internally with steep helical threads engaging threads 28 on the end of the spindle 18 which is slidably connected to the crank boss by engagement of longitudinal grooves 19 with keys. 2.0. The crank member may be a worm wheel 12, the boss 11 of which is carried in a bearing 10 with retaining ring 13. The crank pin 17, may be carried by a pivoted arm 32, Fig. 1, plate 38, Fig. 6, or slide 44, Fig. 8, in each case being- geared to the central pinion 31 and adjusted by rotation thereof. The arm 32 is carried by an eccentrically mounted spindle. 33 carrying a pinion 35 and a plate 34 which bears against the pinion 31 to keep the cylinder 30 in its seating. The plate 38, Fig. 6, pivoted on a stud 37, extends across the disc 12, being guided by a grooved block 40 and carrying an arcuate rack 41 bearing on a machined raised surface 43. The slide block 44, Fig. 8, moving in guides 45, car-- ries on its underside a rack 46 meshing with the pinion 31. The control spindle 18 may be operated by a forked lever 22 carrying a steady pin. 26 slidable in a guide block 27 attached to the bearing 10 or other fixed part. The Specification as open to inspection under Sect. 91 (3) (a) states that the crank pin 17 mavtake the form of an eccentric. This subjectmatter does not appear in the Specification as accepted.
Patent GB-881045-A (GB)
Title: Improvements relating to differential-drive devices
Filed: 1958-07-01
Abstract: 881,045. Balance gear. DAIMLER-BENZ A.G. July 1, 1958 [July 6, 1957], No. 21107/58. Class 80 (2). A slip-limiting device in a motor vehicle differential gear of the kind wherein balls or blocks 16 caged in an input crown-wheel 12 engage different pitched undulating cam tracks 17, 18 in rings 19, 28 fast on two outputs, which device may be interposed between the two outputs or, as shown, between the input and one output, comprises undulating tracks 26, 25, of staggered equal wavelengths, provided respectively in the ring 28 and in a further ring 27 fast on the same output, and one or more ball or roller pistons 21 preferably pitched at one at one and a half wavelengths of the track undulations in axial or radial cylinders 22 of an input fast cage 23 interposed between the rings 28, 27, the said tracks and cage faces forming one or more cells 30, 31, such that on relative rotation between the tracks and the cage arising from relative output rotation contained liquid, preferably oil, is displaced by the piston 21 between the cells 30, 31 against a throttling resistance determined by the various clearances. Conical surfaces 33 between an input housing 13 and the output ring 27 are engaged for frictional resistance between the two output rings 19, 28 by axial thrust from the balls 16 which is dependent on the input tangential driving force and the pitch of the cam tracks 17, 18 and independent of the difference in output speeds, the opposing axial thrust being taken up between the ring 19 and the input housing 13. Further axial thrust urging the rings 19, 27 against the housing 13 may be provided hydraulically by pressurized liquid conducted from the cells 30, 31 to act between faces 40, 41 respectively of the rings 19, 28. The relative rotation between the cage 23 and the rings 28, 27 may be increased by suitable transmission means. Reference has been directed by the Comptroller to Specification 782,314.
Patent GB-701773-A (GB)
Title: Improvements in or relating to electric discharge devices
Inventor: WRIGHT WALTER WILLIAM
IPC: H01J19/42
Filed: 1952-08-22
Abstract: 701,773. Thermionic valves. STANDARD TELEPHONES & CABLES, Ltd. Aug. 22, 1952, No. 21124/52. Class 39(1) A method of mounting a tubular electrode of an electric discharge device on an insulator comprises inserting the electrode as a sliding fit in the insulator, inserting within the electrode a mandrel which is grooved along its length and which is a sliding fit in the tubular electrode, and causing an indentation in the electrode by pressing a portion of the electrode into the groove in such manner as to cause a portion of the electrode adjacent the indentation to spring out of contact with the mandrel and to form a projection for locking the electrode in the insulator. In one arrangement the mandrel 12, shown in crosssection in Fig. 2, has the shape shown and the electrode initially has the contour shown at II; when pressure is applied by a tool at points 13, 14, 15 and 16 the electrode is deformed to produce bulges 17 and 18. A second pair of bulges may be formed so that the electrode is locked to the insulator by bulges above and below the insulator. The shape and position of the bulges may be controlled by a die clamped round the electrode, or by the shape of the face of the tool which causes the indentation. The electrode may be the cathode of a miniature valve.
Patent GB-1302332-A (GB)
IPC: H01H29/04
Filed: 1971-04-19
Abstract: 1302332 Iriteria switches ESSEX INTERNATIONAL Inc 19 April 1971 [4 Feb 1970] 21125/71 Heading H1N In a mercury switch comprising electrodes 31, 41 Fig. 1 projecting into a sealed casing for selective bridging by a quantity of mercury 50, the remainder of the casing space is substantially filled with a liquid ether having boiling point at least as high as 100‹ C. Various examples of suitable ethers are given such as ethylene glycol monobutyl or monomethyl ether and diethylene glycol diethyl or dibutyl ether with boiling points varying from 171‹ to 254À6‹ C. which are stated to have a stable viscosity over a wide temperature range and damp the mercury flow. They are also capable of absorbing mercury impurities generated by arcing. Wetting additives such as cupric sulphate or nickel chloride may also be added. The casing 20 is preferably ribbed internally (12) Fig. 2 (not shown) to guide the flow of mercury. The cap 20 is attached by ultrasonic welding leaving a small quantity of air within the casing to permit thermal expansion of the liquid.
Patent GB-185606-A (GB)
Title: Improvements in and relating to fuel feeding mechanism for underfeed stokers
IPC: F23K3/10
Filed: 1921-08-10
Abstract: 185,606. White, A. E., (Sturtevant Co., B. F.). Aug. 10, 1921. Mechanical stoking.-The connecting-rod for actuating the plunger of a crank-driven fuel-feeding mechanism for an underfeed stoker is constructed to buckle when the plunger meets with abnormal resistance during its feeding- stroke and to resume its normal straight form on the return stroke. As shown in Figs. 1 and 4, the plunger 8 is actuated by a crank 10 through a connecting-rod made in two sections 14, 16, hinged together as shown in detail in Figs. 6 and 7 by a lap joint and a pin 20. The thrust in the connecting-rod is transmitted through the two abutting shoulders 22, 24 on the sections 14, 16, the shoulders being so placed that the thrust does not pass through the hinge pin 20, so that when the plunger 8 meets with an obstruction such as 36, Fig. 4, the connecting-rod buckles, against the action of a spring 26 acting on a plate 28. On continued rotation, the connecting-rod resumes its normal position, but buckles each time the plunger encounters the obstruction, till the obstruction releases itself or is removed by the operator. Ad. justment of the spring 26 is provided by a setscrew 34 and a plate 30, Fig. 7.
Patent GB-660589-A (GB)
Title: Improvements in and relating to stereo-photogrammetric apparatus
IPC: G01C11/00
Filed: 1948-08-12
Abstract: 660,589. Stereogrammetric apparatus and mathematical drawing instruments. WILLIAMSON, S. Aug. 12, 1949 [Aug. 12, 1948; Oct. 27, 1948], Nos. 21300/48 and 27913/48. Classes 97 (i) and 97 (iii). In apparatus in which a graphic record is made by a pencil, to ensure that the point of the latter is correctly located when the pencil is replaced after sharpening, the pencil point is made conical and is pressed so as to project through and be seated by its conical surface in a hole or seating in a support, the hole or seating being shaped to locate the point. The stereogrammetric plotting apparatus shown in Fig. 1 is of the type described in Specification 660,628, comprising a projection table 11 vertically adjustable on a column 10 supported by a U-shaped base 14 so that an aperture in the screen 11 is always vertically above the point 23 of a plotting pencil held in a collet 45 and supported on an arm 24 fixed to the base by a leafspring 25. The collet is supported by a forked member 47 sliding in a sleeve 52 so that the conical point 23 may be moved by a nut 54 against the pressure of a spring 56 to engage a cylindrical, triangular or polygonal prismatic locating aperture 48 in the member 49 fixed to arm 24. A member 32 is slidably mounted so that a wedge-shaped nose 33 thereon may lift the pencil from the paper against the action of a spring 44. In a modification the arm 24 is pivoted to the apparatus. Fig. 7 shows an interchangeable leg 113 of bow compasses in which the pencil lead, made conical at each end, is located at one end in a cap 115 and engaged at the other by a sliding sleeve 117 so as to be aligned with the pivot of the compasses. This method of mounting may also be applied to stereogrammetric apparatus.
Patent GB-390536-A (GB)
Title: Improvements in or relating to coin detecting devices for coin freed machines
IPC: G07F9/00
Filed: 1932-04-23
Abstract: 390,536. Coin-freed apparatus. FISHBURN, J. E., The Island, Uxbridge, Middlesex. April 23, 1932, No. 21320/31. [Class 27.] Exhibiting coins.-In a coin-freed machine means are provided whereby substantially the whole surface of an inserted coin is brought into the range of vision from the exterior of the machine. A coin, after passing the usual tests as to size and weight, drops down a shoot 1, Figs. 1 and 2, and comes to rest in the position A opposite an horizontal rearwardly-inclined shoot 2 disposed behind a window 5 in the front wall of the machine casing. The coin at A projects through a slot 3 and closes contacts 4 which may complete the circuit of a starting device for the machine, or an electric motor, or of a signalling device indicating that a coin has been accepted. During the cycle of operation of the machine, a spindle 8 is rocked or rotated and an arm 7 thereon pushes the coin along the shoot 2. When this shoot - is full, a coin is pushed at each actuation from its further end to a shoot 6 leading to the money-box. The shoot 2 comprises two opposed rails of channel-section to support the edges of the coins, the upper surfaces of which may be viewed directly through the window 5. Reflections of the lower surfaces are visible in a mirror 11 placed below the shoot 2. Electric lamps 12, 13 illuminate the upper and lower surfaces respectively of the coins. All the coins in the shoot 2 may be discharged at any time into the money-box by a finger 14 slidable on a rod 15 and operable manually by a cord 16 against the action of a spring 17 to engage the first coin and move them all into the shoot 6.
Patent GB-499368-A (GB)
Title: Improvements in silencers for operation with a plurality of internal combustion engines
IPC: H02K3/48
Filed: 1938-07-19
Abstract: 499,368. Exhaust-silencers. KRUPP GERMANIAWERFT AKT.-GES., F. July 19, 1938, No. 21373. Convention date, Aug. 21, 1937. [Class 7 (ii)] An exhaust-silencer for operation with two or more internal-combustion engines comprises silencer chambers, one for each engine, arranged in series in a common casing, so that the exhaust pipe of each engine passes through or into all the chambers. The Figure shows two silencer chambers c, d, one for each of two engines, the exhaust pipes a, a<1> and b, b<1> of which pass through or into both chambers, communicating therewith through openings h. The exhaust passes from the pipe a to a<1> and from b to b<1>. The walls of the chambers c, d may be perforated, the space between them and the surrounding casing e being filled with glass wool or other soundabsorbing material.
Patent GB-137881-A (GB)
Title: Improvements in pipe connections for fluid under pressure
IPC: F16L41/08
Filed: 1918-12-20
Abstract: 137,881. Slack, J. E. Dec. 20, 1918. Junction-pieces; branches and mains, connecting.-Relates to a joint particularly for attaching a pipe section 2 of a steam-superheater to a header or manifold 1. In one form, it comprises an L-shaped connecting-piece 3 clamped at 9 against the machined surface of the header 1 by a bolt 4 with nut 7. The joint 9 is sealed by red lead contained in grooves in the machined surfaces. Segmental passages 12 are provided in the enlarged end of the bolt 4. The ccnnecting-piece 3 may be formed by suitably plugging or cutting an ordinary T-piece or L-piece, or, where there are two pipes 2, a cross-shaped junction may be used, as shown in dotted lines. A U-shaped connecting-piece may be attached at the top of the header, as shown in dots and dashes.
Patent GB-824808-A (GB)
Title: Improvements in push rods of internal-combustion engine valve gear
Inventor: PHILLIPS ARTHUR JOHN WILLIAM
IPC: F01L1/14
Filed: 1957-07-05
Abstract: 824,808. Making push rods. ROLLS-ROYCE Ltd. July 4, 1958 [July 5, 1957], No. 21446/57. Class 83 (2). [Also in Group XXVII] A push rod for internalcombustion engine valve gear comprises a tubular member 10 and an end member 11 with a grooved shank 14 which is push-fitted into the end of member 10, which latter is deformed into the groove 13 e.g. by rolling.
Patent GB-347065-A (GB)
Title: Improvements in or relating to boiler furnaces and the like
IPC: F23L7/00
Filed: 1930-07-16
Abstract: 347,065. Boiler furnaces. MOCHOW, G., 24, Turkenstrasse, Berlin. July 16, 1930, No. 21510. [Class 51 (i).] A process for effecting combustion under pressure in a boiler furnace in which the usual chimney is dispensed with consists in introducing oxygen under pressure close above the firebed and in recirculating the combustion gases over the firebed by the oxygen stream, the velocity of movement and the amount of oxygen supplied being so adjusted that the carbonic acid contained in the gases cannot percolate the oxygen stream above the firebed. The Figure shows a boiler furnace for carrying out the process in which jets of oxygen are delivered over the firebed c through nozzles k and the gases circulate through a flue b and are returned to the combustion space p. A perforated forwardly extending wall e is arranged at the rear of the firebed c. Carbonic acid accumulates in the lower part b<1> of the flue b and is allowed to escape through the valve n upon the development of sufficient pressure to overcome the load on the valve.
Patent GB-516330-A (GB)
Title: Improvements in or relating to apparatus for roasting coffee or cereals
IPC: A23N12/10
Filed: 1938-07-20
Abstract: 516,330. Roasting coffee and grain. MILES, W. H. July 20, 1938, No. 21575. [Class 58] Apparatus for roasting coffee or cereals comprises a gauze container 1 held within a metal shell base 7 on which is carried a heat-retaining ring plate 10, further heat retaining means 14 being removably mounted over the ring plate. As shown, the gauze container 1 is formed in two. halves, the gauze being supported on two complementary curved strips, each of which forms a spindle with a recess to receive an end of the other strip. The spindle 3A is secured to a flanged collar 5, while the spindle 3B receives a similar but slid ably-mounted collar secured to a handle 6. The container 1 is mounted in the shell 7 provided with lugs 21 forming the lower half of a bearing for the collars 5, the upper half being formed on the flanged ring plate 10. The plate is enclosed by a glass cover 14 secured to and heat-insulated from, a metal frame 15 which rests on the plate. A valve 16 is provided in the cover 14, the valve being automatically opened to release fumes when the initial stages of the washing have been completed. During heating the container 1 is rotated by means of a handle 19A.
Patent GB-676617-A (GB)
Title: Electric discharge lamp
IPC: H01J9/395
Filed: 1947-08-07
Abstract: 676,617. Discharge lamps. SYLVANIA ELECTRIC PRODUCTS, Inc. Aug. 7, 1947 [Dec. 22, 1938],No. 21696/47. Class 39 (i). A discharge lamp comprises an elongated tubular envelope 1 closed by end discs 2, 3 through which contact prongs 4, 5 extend directly; one disc also contains an exhaust tube 8, and this disc may be slightly concave. The mercury filling is introduced from a measured drop 18 contained in a bomb 9 consisting of a metal tube 10 pressed closed at the ends. The bomb is welded to a prong 4, lying close to the filament 6 and extending nearly to the other prong. Heating the filament at a suitable time causes the mercury to vaporize out of the bomb, which may also act as a starter.
Patent GB-596144-A (GB)
Title: Improvements connected with weighing apparatus
IPC: G01G19/00
Filed: 1945-07-20
Abstract: 596,144. Weighing-apparatus. KILBUERN, D. July 20, 1945, No. 21766/46. Divided out of 596,128, [Group VI]. [Class 143] Apparatus for selectively weighing out any one of a range of predetermined weights of goods, particularly chipped potatoes, comprises a weigh beam having a counterweight mounted on one end and a pan or the like on the other, a plurality of fulcrum points arranged between the counterweight and pan, and key or like manually operative means for selectively positioning any one of said fulcrum points in contact with the underside of the weigh beam so that the latter can pivot thereon. The weigh beam 1 carrying a counterweight 3 and pan 4 is adapted to engage by means of members 7 any one of the fulcrums 6 provided on members 5 pivoted to operating keys 9. Operation of a key raises its fulcrum 6 on a guide 8, the inner end 10 of the key bearing against a spring 11 which springs under said end to lock it. A pivoted trip member 12 is provided on each end 10 so that operation of a further key deflects the spring and permits return of the first key which is facilitated by a spring 13. A pivoted member 14, connected by a link 16 to the switch 17 of a motor driving a feed conveyer for the pan 4, is moved by the spring 11, on operation of a key 9, to start the conveyer, and is held by a projection 20 engaging a detent 21 in an arm 22 pivoted at 23 and held by a spring 24. When the pan 4 has received the predetermined weight of goods, it descends, causing the beam 1 to depress the arm 22 releasing the member 14 and stopping the conveyer. A repeat plunger 26 is used to re-operate the switch 17 and push back the member 14 for consecutively weighing the same quantities.
Patent GB-1061223-A (GB)
Title: Improvements in or relating to hydraulic reciprocable pumps and motors
IPC: F01B3/00
Filed: 1964-05-25
Abstract: 1,061,223. Reciprocating pumps and motors. C. VAN DER LELY N.V. May 26, 1964 [June 7, 1963], No. 21800/64. Heading F1A. In a pump or motor having a rotary cylinder block engaging a ported valve plate or housing, recesses 25, 26 are provided between the valve plate ports 12, 13 for hydraulic balancing. The recesses and valve ports may be shaped as shown, or may be circular. Recesses 25, 26 communicate with chambers (29), (30), Fig. 4 (not shown) housing pistons (31), (32) reacting against housing (21). Pistons (31), (32) may be spring-loaded. Keedle bearing (48) is lubricated by leakage which then drains through passage (37). Further hydraulic balancing is effected by sleeves (19), (20), Fig. 3 (not shown), connecting valve ports (12), (13) to housing passages (22), (23). Sleeves (19), (20) may be modified to dispense with seals (24). Suitable cross-sectional areas for recesses (25), (26), pistons (31), (32) and sleeves (19). (20) are described. In another embodiment, the valve plate is omitted, and the valve ports formed in the housing (21), on which a plate of bearing material may be secured.
Patent GB-1340620-A (GB)
Title: Semiconductor devices
IPC: G11C19/28
Filed: 1971-04-19
Abstract: 1340620 Semi-conductor devices WESTERN ELECTRIC CO Inc 19 April 1971 [16 Feb 1970] 21833/71 Heading H1K A charge coupled device uses asymmetrical potential wells to enhance charge carrier transfer in the desired direction. In an embodiment, Fig. 2, a semi-conductor body 11, e.g. of N type conductivity has an insulating layer 12 of non-uniform thickness on one surface thereof, and a plurality of electrodes 13a, 14a, &c., connected alternately to one phase of a two phase clock voltage, the clock pulses forming potential wells 33a, 34a of asymmetrical shape in the body 11 beneath the electrodes, the leading part of the well, i.e. in the direction of charge carrier transfer, being of greater depth than the trailing part. In an alternative embodiment, Fig. 5, the electrodes are formed so as to partly, insulatedly, overlap each other, the trailing part of the next electrode overlapping the leading part of the previous electrode. In both embodiments input of minority carriers may be by MIS avalanche device, and output via a region of the opposite conductivity type. The body may be of silicon, the insulating layer of SiO 2 , SiN or Al 2 O 3  or a combination thereof. The electrodes may be of gold, aluminium, platinum, titanium, molybdenum or combinations thereof. The device may be light sensitive and have video applications.
Patent GB-677387-A (GB)
Title: Manufacture of amylases of improved enzymatic efficiency
IPC: C12N9/28
Filed: 1950-09-05
Abstract: An amylase of improved enzymatic efficiency for the conversion of starch into sugar is made by mixing soy bean amylase with amylase produced by Bacillus mesentericus.  The mixture gives a greater yield and greater speed of action than either amylase alone, and is heat-stable.  Examples describe the extraction of amylase from soy beans and the mixing thereof with amylase from Bacillus mesenterieus.