baber/WOPTO huggingface dataset:
Patent GB-733495-A (GB)
Title: Improvements in or relating to voltage supply arrangements for television receivers
IPC: H03K4/28
Filed: 1952-10-17
Abstract: 733,495. Converting. STANDARD TELEPHONES & CABLES, Ltd. Oct. 17, 1952 [Oct. 26, 1951], No. 26105/52. Class 38 (2). [Also in Group XL (c)] An arrangement, for generating saw-tooth waves for magnetically producing. the deflec. tions of the electron beam of a television receiver tube, comprises a circuit in which current is supplied from a direct current source, represented by a condenser C2, through a deflecting coil. A of the receiver tube, this circuit being periodically interrupted by an electronic valve R1 controlled by synchronizing pulses on its grid, in which the direct current source comprises a step-up transformer T to the primary winding of which is supplied a unidirectional current from a source N over an electronic valve R2 so that the current in the transformer primary winding is periodically cut off by means of the application of synchronizing pulses to its grid, the stepped-up pulses appearing in the secondary winding of the transformer T being rectified by a diode D2 and applied to the condenser C2. In another embodiment the valve R2 is omitted and the transformer primary winding is connected in series with the deflecting coil A.
Patent GB-1458033-A (GB)
Title: Air intakes for jet propulsion engines
IPC: B64D33/02
Filed: 1973-05-31
Abstract: 1458033 Jet propulsion engine air intakes BRITISH AIRCRAFT CORP Ltd 23 May 1974 [31 May 1973 15 Nov 1973] 26136/73 and 53123/73 Headings F1G and F1J [Also in Division B7] A supersonic air intake arrangement for at least two jet propulsion engines including an intake duct 6 or 7 for each engine has the duct mouths staggered are behind the other and shock wave generating means arranged such that at the design Mach Number at least one generally planar shock wave 14 extends obliquely without interruption across the duct mouths. The ducts 6, 7 are rectangular in transverse cross-section and in the arrangement shown are disposed one above the other between parallel side walls 9, (10), Fig. 5 (not shown). The upper wall 11 has a leading edge 11a at which the oblique shock wave 14 originates, the common intermediate wall 12 and lower wall 13 having rearwardly staggered leading edges 12a, 13a respectively. The leading edge 9a of side wall 9 is located forward of shock wave 14 whilst that 10a of the other side wall (10) lies rearwardly thereof. Wall 11 of duct 7 carries a first ramp 20 which may be fixed or have a pivoted portion controlled by jack 23. A second ramp 24 has a pivoted portion spaced downstream of the trailing edge 21 of ramp 20. The wall 12 carries third and fourth pivoted ramp portions 30, 35. At the design Mach Number of 2À0, shock waves 40, 41 extend into the gap 27 between the ramps on wall 11, together with shock waves 43, 44 extending into the gap 34 between the ramps on wall 12. Boundary layer air passing through the gaps 27, 34 can be discharged overboard via valves 45, 46. Dump doors 48, 49 50 are also provided. An aperture 51 in ramp 24 is vented to atmosphere via a valved flexible duct 52. Ramps are also provided in duct 6.
Patent GB-1146718-A (GB)
Title: Improvements in and relating to hot extrusion of metals and alloys
IPC: B21C23/32
Filed: 1966-06-13
Abstract: 1,146,718. Extruding. COMPAGNIE DU FILAGE DES METAUX ET DES JOINTS CURTY (CEFILAC). 13 June, 1966 [15 June, 1965], No. 26186/66. Heading B3P. In the hot extrusion of metals or alloys, a ring 2 of agglomerated lubricant powder, such as glass, which becomes viscous during extrusion, is placed against the entry face of the die 3 where it is trapped by the rounded or chamfered leading edge of the billet. A specific example is given for the extrusion of a carbon steel billet. Window glass powder may be used for the lubricant, agglomerated as described in Specification 795,989.
Patent GB-778457-A (GB)
Title: Improvements in or relating to counting circuits
Inventor: BRIGHTMAN BARRIE
IPC: H03K23/82
Filed: 1954-09-11
Abstract: 778,457. Electronic counting apparatus. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. Sept. 9, 1955 [Sept. 11, 1954], No. 26353/54. Class 106 (1). In a counting circuit employing a plurality of serially-connected gas discharge tubes, alternate tubes are arranged in different groups, the cathodes of each group being connected to a common lead, and negative-going pulses having a duration exceeding the extinguishing time of a tube are applied alternately to the two common leads to cause the tubes to strike in succession. Assuming that tube VK1 only is conducting, the voltage developed across resistors R2, R3, R4 primes the trigger element of tube VK2 sufficiently to cause this tube to fire when the next negative-going pulse, appearing on lead 11, is applied via a cathode-follower VT2 to the cathodes of the even-numbered group of tubes VK2, VK4, &c. The increased current in the anode resistor R1 lowers the anode voltage sufficiently to extinguish the tube VK1. The circuit is now in a condition, with tube VK2 conducting and tube VK3 primed, to receive the next negative-going counting pulse which is applied via a second cathodefollower VT1 to the odd-numbered group of tubes, and so on.
Patent GB-267832-A (GB)
Title: Improvements in interengaging blocks and the like for floors, roads and the like
IPC: E04F15/08
Filed: 1926-10-23
Abstract: 267,832. Cowper, E. O. Oct. 23, 1926. Paving blocks.-A paving block which has projections and/or recesses on all its edges for interengaging adjacent blocks may be any shape in plan but is rhomboidal in both side and end elevation. Fig. 1 shows one construction which is rectangular in plan and is provided with six projections and recesses b, c, these projections extending from the lower half of the block and three from the upper half. Fig. 3 shows a similar block in which the lower end and right-hand side are bulged at the centre, while the other side and the upper end are correspondingly recessed. This forms an additional interlock to prevent relative movement between the blocks. Fig. 4 shows a block with hookshaped interlocking means which is of rhomboid shape in side and end elevation. This block may be made in two parts with a sliding dove-tailed joint, one part being fixed to the foundation and the other applied subsequently. The part b<1> in this construction may be removed in some cases to allow for lateral movement between the adjacent blocks of a line. Bulbous keys which are rhomboidal to match the blocks are used to connect adjacent blocks when they are provided with recesses only. The blocks may be provided with non-skidding projections on the surface, which may take the form of parallel lines running diagonally, rectangular projections arranged in staggered formation, or lines simulating the imprint of birds' claws.
Patent GB-1525689-A (GB)
Title: Pressure vessels
IPC: B01D27/08
Filed: 1977-06-24
Abstract: 1525689 Filter housing GENERAL MOTORS CORP 24 June 1977 [1 July 1976] 26558/77 Heading B1D [Also in Division B3] A lockseam 28 which connects a cup-like casing 13 enclosing a filter element (Fig. 1 not shown) to an annular metal lid 27, to retain a thicker closure plate 16, is reinforced by an outer metal ring 40, which is positioned as shown and then radially compressed by magnetic, mechanical, pneumatic or hydraulic means to deform the ring and lockseam inwards (Fig. 3 not shown). A wire loop 52 may be incorporated, or ring 40 may carry pierced tabs for locking wires if the filter is used in the oil circuit of an aircraft.
Patent GB-407946-A (GB)
Title: Improvements in and relating to magnetic balances
IPC: G01R33/038
Filed: 1932-09-26
Abstract: 407,946. Magnetic tests and measurements. HAUSER & CO., GES., 9, Frauentorstrasse, Augsburg, and OSTERMEIER, J. B., 6, Hans-Sachsweg, Mering, near Augsburg, Germany. Sept. 26, 1932, No. 26675. [Class 37.] A magnet system for a magnetic balance comprises magnet laminas 1, 2 each attached by a single screw 4, 5 to a central body 3 of invar or similar material so as to engage edges 6, 7 of the body. In order to compensate for temperature changes, non-magnetic laminae 43, 44 of low temperature coefficient and slotted as at 37, 38, Fig. 43, are symmetrically attached to the magnets by screws 29-32. The system is supported on a knife-edge bearing 8 seated in a V-groove in a carrier member 9 attached to the underside of the body 3 by screws 10-13 and bearing against screws 14-17 projecting from the body 3, so that relative vertical movement of the members 3 and 8 for adjustment of sensitivity can be made by tightening and loosening these screws. Screws 22, 23 in the carrier 8 bearing against pins 20, 21, Fig. 2, depending from the body 2 are provided to permit of relative horizontal movement for adjusting the balance of the system. Further screws 27, 28 and 18, 19 are provided for fine adjustment of balance and sensitivity respectively.
Patent GB-532977-A (GB)
Title: Improvements in and relating to internal combustion engines and pumps operating with oscillating disc valves
IPC: F01L7/06
Filed: 1939-09-26
Abstract: 532,977. Reciprocating pumps for liquids. COCHRANE, W. Sept. 26, 1939, Nos. 26690/39 and 6251/40. [Class 102 (i)] [Also in Group XXVII] A multiported disc valve 1 for internalcombustion engines and pumps is oscillated in one direction to bring ports 2 into line with exhaust ports in the cylinder head, and in the other direction with inlet ports, and is held stationary with the ports closed during an intermediate period, as in compression and firing. The valve is held against its seat, and also brought back to the central position, with the ports closed, by springs 13, 14 connected to an arm 7 which carries a roller 8 engaging a grooved cam 9. The valve may be lifted from its seat during the oscillating movements, by another cam 19 which acts on the top of the valve stem 6 through a lever. Air or mixture is admitted through a chamber 25, and exhaust takes place through a chamber 27. The spark-plug, where this is used, may be placed at 33 in line with a passage 34, which communicates with one of the valve ports 2 during the stationary period. A fuel-injection pump may be operated by a cam 35. The valve may be formed with central and peripheral ribs 15, 17 to assist fluid tightness. In a two-stroke engine, the valve may control exhaust ports only. Air due to the movement of the aircraft or vehicle may enter at 26 into the chamber 25 so as to have a cooling effect and may flow therefrom through a pipe adjacent the exhaust outlet.
Patent GB-1184026-A (GB)
Title: Encapsulation Process and its Product
IPC: B01J13/12
Filed: 1968-06-05
Abstract: 1,184,026. Microcapsules. NATIONAL CASH REGISTER CO. 5 June, 1968 [5 June, 1967], No. 26761/68. Heading B8C. [Also in Division C1] Microcapsules consisting of a solid or liquid core enclosed by a wall of film-forming polymeric material are made by forming a system composed of a dispersion of the core entities in a solution of the wall material in a mixture of a relatively high boiling point "suspending liquid" and a relatively low boiling point "solvent liquid" and removing the latter by heating to or near to its boiling point so that, eventually, a polymer-rich phase separates and encapsulates the core entities. Specified wall material is: ethyl cellulose, nitro-cellulose, polyethylene, poly (ethylene-co-acrylic acid), vinylidene chloride polymers and co-polymers, chlorinated rubber and vinyl polymers and copolymers. Numerous case materials are mentioned, specific examples relating to the encapsulation of K 2 Cr 2 O 7 , NaCl and a silicone fluid.
Patent GB-1387462-A (GB)
Title: Filter clogging indicator
IPC: B01D35/143
Filed: 1972-06-08
Abstract: 1387462 Filter with clogging indicator ITT INDUSTRIES Inc 8 June 1972 [16 June 1971] 26761/72 Heading B1D A fluid filtering apparatus 1 having a filter element clogging indicator comprises a three part housing 2, 3, 4 having inlet 8 and outlet 9 separated by outward flow annular filter element 5 mounted between perforated cylinders and screwed into housing part 3 by means of integral threaded sleeve 6. The apparatus has a clogging indicator formed by a piston 13 the lower face of which communicates via channel 29 with the fluid inlet and the upper face of which communicates via passage 32 with the fluid outlet. The piston is mounted on a stem 18 having an upper threaded portion 17 and a lower knurled end 21. Piston 13, which is biassed downwardly by spring 20, slides in a bush 22 within a transparent housing part 4, the piston having a coloured indicating tape wrapped around its periphery. Channel 29 is conical in shape and holds two loose balls 31. On clogging of the filter element the piston 13 is forced upwards and the coloured indicating tape shows in transparent housing 4. As the piston rises, screw-threaded rod 17 passes upwardly through channel 29 and engages the balls 31 (Fig. 3 not shown). This engagement of the balls and the screw-thread prevents the piston returning to its zero position if the pressure difference caused by the clogging subsequently vanishes. The piston is returned to zero manually by turning knurled rod end 21 and screwing threaded portion 17 from engagement with the balls 31.
Patent GB-1474298-A (GB)
Title: Pushbutton key module for telephones
IPC: H04M1/23
Filed: 1975-06-24
Abstract: 1474298 Mechanical switches NORTHERN ELECTRIC CO Ltd 24 June 1975 [15 July 1974] 26814/75 Heading H1N In a moulded push button module 10, Fig. 1, for attaching to support member 39 of a telephone set, a plurality of push buttons 26 resiliently mounted on guides 12 have projections 45 extending through slots 19 in a face 13 of the module 10 for co-operation with a latch bar 30 slidable in opposed grooves 16 and slots 18 of projections 15, 17 on the face 13. At least one of the projections 45 has a rigid pin 46 for cooperation with a sloping face 34 of the latch bar 29 which moves against a compression spring 38 until the pin 46 is latched in recess 35, any previous operated button being simultaneously released. A further button projection 45 has a resilient arm 47 and projection 48 co-operating with a latch projection 33 with a downwardly facing inclined face 36 arranged whereby on depression of the button 26 the projection 48 yields and rides over the projection 33 but on release of the button 26 the projection 48 engages under the face 36 to slide the latch bar 30 along and release any actuated buttons. The module is attached to the telephone set by screws (not shown) inserted through holes 42 in the support 39 arid engageable in flanges 11 of the module 10. A flange 28 on the support engages projections (50) Fig. 3 (not shown) on the push buttons 26 to retain them in position. Further projections (50) on the buttons engage and operate the switch controls (51).
Patent GB-330467-A (GB)
Title: Improvements relating to a device for connecting wheels together
IPC: F16D1/08
Filed: 1929-09-05
Abstract: 330,467. Whittaker Bros. (Accring- ton), Ltd., and Duckworth, J. A. Sept. 5, 1929. Securing together machine elements for transmitting rotary motion.-Means for connecting together wheels such as the pinion on the flywheel of a mangle or wringing-machine, or a double wheel comprising a toothed wheel and pinion or sprocket wheels for a chain drive, comprise, a sleeve a on one wheel fitting the bore b of the other wheel, such sleeve being formed with a collar a' having one or more interlocking surfaces engaging corresponding surfaces on the other wheel. As shown, a flat a<2> on the collar engages the flat inner surface of a facial projection b<1> on the other wheel. The sleeve a may be a press fit in the bore. b.
Patent GB-188889-A (GB)
Title: Pneumatic dust collecting apparatus
IPC: A47L5/06
Filed: 1921-10-12
Abstract: 188,889. Morgan, H. Oct. 12, 1921. Filtering.-A dust bag 0 open at the bottom to a receptacle R is combined with a portable handoperated suction apparatus particularly intended for collecting samples of mine dust, the fan K of the apparatus delivering the dusty air into the bag.
Patent GB-1536574-A (GB)
Title: Container with spout connection
IPC: B65D47/14
Filed: 1976-06-29
Abstract: 1536574 Spouts VULCAN INDUSTRIAL PACKAGING Ltd 21 June 1977 [29 June 1976] 26989/76 Heading B8D A one piece plastics spout, having an end skirt 12 and an internal shoulder 12a adapted to sealingly engage the end of an upstanding neck 3 of a metal container, is releasablysecured to the neck by an internal skirt groove 13 snap-fitting over an out-turned neck bead 6 and releasably-locked in position by an axiallydisplaceable collar 17 movable into a locking position in which it embraces and resists outwards movement of the skirt. The spout is of polyethylene and the collar of a harder plastics, e.g. polypropylene. The collar is screw-threaded to the spout to facilitate axial displacement thereon, a stop 14a being provided, Fig. 1 (not shown), to prevent overtightening in the locked position. Alternatively, a bayonetconnection may replace the screwthreaded collar/spout connection. The spout has flexible jaws (21), Fig. 1 (not shown), for clipping the spout when not in use on to the container rim. The neck 3 is reinforced by an internal, hexagonally-flanged bush, the upper end being rolled with the neck rim to form the bead 6.
Patent GB-920336-A (GB)
Title: A method and a hydraulic engine for converting heat energy to mechanical power
IPC: F15B13/04
Filed: 1959-08-06
Abstract: 920,336. Motors operated by the force of expansion. CLEVELAND PNEUMATIC IN DUSTRIES Inc. Aug. 6, 1959 [Aug. 11, 1958], No. 26995/59. Addition to 911,969. Class 10 In a piston engine driven by the expansion force of a highly compressed and heated liquid work is done on the piston by the liquid during every stroke. The cylinder 16, Fig. 1, which is divided by a compound piston 19, 23, 29, into three chambers 36, 38, 39 is oscillatably mounted about a pivot 13 bored with ducts 43, 48, 51, 58, 66, Fig. 3, to pass the working liquid to and from the chambers during the engine cycle. A slide valve 46, which is actuated by a cam member 74 driven from the crankshaft 32 and is represented schematically at 46a, 46b, 46c in Figs. 5 and 6, is operable within the pivot 13 to control the liquid flow to the ducts. In operation, hot compressed liquid from a heat bath 92, Fig. 5, is allowed to expand through valve 46a into the cylinder chamber 39 to move the piston to the right. This movement compresses liquid in the chamber 36 by the piston part 19 such it flows towards the chamber 39 through a non-return valve 72, a conduit 73, a heat exchanger 88, where it is heated by liquid being expelled from the chamber 38, and the bath 92. On completion of this movement the valve 46 operates to close conduits 67 and 59 and open conduits 42, 47 so that the high pressure liquid within the chamber 39 may pass to the chamber 38 and in so doing expand as the chamber 38 is of larger volume than the chamber 39 due to the different diameters of the piston parts 19, 29. As the pressure on both sides of the piston part 23 is the same during the initial stage of this operation whilst the face area of the part 23 in the chamber 38 is larger than that in the chamber 39 the part will move to the right, thus drawing low pressure cool liquid into the chamber 36 from a closed circuit comprising the heat exchanger 88, a conduit 93, a cooler 86, a pressure equalization chamber 94 and a non- return valve 69. The liquid is compressed on the next piston stroke and pumped towards the heat bath 92 prior to entering the chamber 39.
Patent GB-297467-A (GB)
Title: Improvements in or relating to means for cooling of dynamo electric machines
IPC: H02K9/18
Filed: 1928-09-20
Abstract: 297,467. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts-Ges.). Sept. 23, 1927, [Conventation date]. Dynamos and motors, cooling.-In an electric machine having coolers on the sides with horizontal cooling tubes built into the casing and having inlet and outlet passages communicating with the upper and lower parts of the casing, the cooling medium is circulated by several fans driven by auxiliary machines, preferably by electric motors arranged close together in the axial direction of the machine, and a part only of the axial length of the coolers is apportioned to each fan. In Fig. 3, the cooling medium is propelled by a row of fans 6 driven by electric motors 8, through a space 3 between the stator 2 and the machine casing 5, and is cooled in coolers 4 located at the sides. Baffles may be provided to abstract moisture, and the fans may be mounted above the machine. Two rows of fans may be employed arranged at the sides as shown in Fig. 2 and either above or below the coolers, and by altering the relative positions of guides 11 and the fan or fans, the direction of flow of the cooling medium may be reversed. Rows of fans may be located above and below the machine. The fans may be driven by small steam turbines or other motors which are not necessarily vertical as shown, for example, the drive may be transmitted through mitre wheel gearing. Several or all the fans may be driven by one another.
Patent GB-771046-A (GB)
Title: Improvements in delivery devices employed in drawing glass into sheets
IPC: C03B15/06
Filed: 1955-09-21
Abstract: 771,046. Drawing sheet glass. SOC, ANON. DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE SAINT-GOBAIN - CHAUNY & CIREY. Sept. 21; 1955 [Sept. 29, 1954], No. 27024/55. Class 56.  In the delivery device 2 for the Fourcault process the source 13 in the base is a symmetrically disposed with respect to the medial drawing plane x. The walls 11, 11<SP>1</SP> between the source and the lips 14, 141 may be plane or, as shown, curved or one may be plane and the other curved. The source need not necessarily be entirely to one side of the-medial drawing plane.
Patent GB-1463124-A (GB)
Title: Calcination of pulverous material
IPC: C04B7/44
Filed: 1974-06-18
Abstract: 1463124 Heat treating pulverous material; preheating raw materials F L SMIDTH & CO AS 9 June 1975 [18 June 1974] 27052/74 Heading F4B Preheated lime-bearing pulverous raw material is calcined in an upright cylindrical chamber 1, having a central bottom inlet 4 for air and oxygen containing gas, separate inlets 6, 7 for raw material and a fuel, which may be a gas, to give off combustible gases at the temperature in the chamber, and an outlet 5 at the top for the calcined material entrained in waste gases. The conical bottom 2 of the chamber may have grooves in to which the raw material and fuel are delivered. The grooves may be radial or tangential to the air inlet, and the raw material may be delivered radially or tangentially, the fuel inlet being radially inward from the material inlet, or spaced round the chamber from the material inlet. There may be more than one fuel and/or material inlet. In a cement plant, Fig. 7, the raw meal is preheated in a cyclone string, the air for the calcination chamber 1 is taken from a cooler 9, which also supplies combustion air to a rotary kiln 15, and a cyclone 16, with its gas outlet connected to the inlet of the lowest cyclone 18 of the preheating string, separates the partly calcined meal from the gases discharged from the chamber 1. The waste gases from the kiln 15 may be fed to the final preheater cyclone 18, by-passing the cyclone 16.