baber/WOPTO huggingface dataset:
Patent GB-1428624-A (GB)
Title: Starting aid for compression-ignition internal combustion engines
IPC: F02P19/02
Filed: 1974-05-09
Abstract: 1428624 Glow plug ignition systems A RUPRECHT and D VON DER OSTEN 9 May 1974 [17 May 1973] 20575/74 Heading F1B A switching system for starting compressionignition I.C. engines having a glow plug in the inlet manifold comprises a glow plug heating initiation time switch 3 closed by a push button 9 to direct current to the glow plug and a second time switch 5 arranged to illuminate a lamp 11 when the glow plug is sufficiently hot for starting, the time switch 3 automatically opening after the elapse of an interval sufficient for the pre-glow period of the plug, a starting operation by depression of a push button 25, and afterglow. As shown, the time switches 3 and 5 include bimetallic elements 2, 4 through which the heating current passes in series. Again, the switch 5 may be indirectly heated. An over-centre snap-action spring 8 may be an S-, U- or omega-shaped leafspring, and acts on the bi-metallic element 2. Also, Figs. 5, 6 (not shown), the switches 3, 5 may be connected in parallel, a solenoid-operated fuel valve (32) being switched on with the lamp (11').
Patent GB-767573-A (GB)
Title: Servo-motor operated measuring systems
IPC: G01F23/26
Filed: 1954-07-14
Abstract: 767,573. Liquid level or volume, measuring. ENGINEERING RESEARCH CORPORATION, Ltd. July 14, 1954 [Aug. 19, 1953], No. 20587/54. Class 37. In a liquid level or volume gauge in which an immersion type condenser is connected in an automatically balanced bridge circuit, the balancing motor is of the induction disc watt-hour meter type. As shown, an immersion type condenser 18, responsive to the liquid level, is connected in an A.C. bridge 16-18 -26. Variations in liquid level unbalance the bridge, the output voltage of which is amplified at 38 and fed to the E-shaped magnet 82 of an induction-disc type motor 60 which adjusts a potentiometer 22 to rebalance the bridge, drives through gearing a pointer 90 to indicate the liquid level, and also drives cams such as 92 adjustable so as to close contacts 100-102 to operate alarm or warning signals indicative of predetermined fuel levels. The usual U-shaped core 70 of the motor has its coils 74, 76 energized in series from the reference A.C. source feeding the bridge, through a phaseshifting condenser 78. For large changes in liquid level a contact arm 110, frictionally driven by the indicator spindle, engages one or the other of fixed contacts 120, 122 to energize the upper bucking portion of a magnet coil 124, the lower half of which is normally energized from a battery 104. The damping effect of a magnet 128 on the disc is thereby removed so that the motor runs at full speed until it slightly overshoots the balance position. The motor is then reversed and immediately de-energizes the upper portion of coil 124 so that the disc is again damped by the magnet 128 and returns to the " coincidence " position at reduced speed. The amplifier tubes 40, 42 feed a small pulsating D.C. to the motor coil 84 at bridge balance which also damps the disc 64 to minimize overshoot and hunting thereof. Constructional details, Fig. 2. The shaft 66 of the motor 64, 70, 82, 128 drives through reduction gearing (not shown) a gear 144 meshing with a gear 146 which drives the shaft 148 carrying the pointer 90 through a slipping clutch comprising a shoulder 152 on a member 156 integral with the shaft 148 against which the gear 146 is pressed by a spring 154. An insulating disc 150 bolted to the member 156 carries pairs of cam-rings 162-164, 166-168, the cam rings being individually angularly adjustable so that each pair permits an associated contact arm 94 to close contacts 100 to actuate an alarm at predetermined angular positions of the pointer corresponding, e.g. to " one quarter " and " three quarters full." The disc 150 also carries the wiper arms 28, 180 of similar toroid potentiometer resistors 22, 171 secured to a fixed insulating disc 172 which also carries conductor rings 174, 176 engaged by the other ends of the respective wiper arms 28, 180. The disc 172 also carries the pins 120-122 between which moves the contact arm 110 frictionally driven by the pointer shaft. The second potentiometer 171-180 is used for transmitting the pointer position.
Patent GB-1385542-A (GB)
Title: Oxidation of hydrindantin
IPC: C07C45/30
Filed: 1972-05-03
Abstract: 1385542 Oxidation of hydrindantin A E PIERCE 3 May 1972 [3 May 1971] 20592/72 Heading C2C A process for the preparation of a compound of formula wherein the ring A may be unsubstituted or substituted, comprises oxidizing a hydrindantin of formula with an oxidant comprising chlorine or bromine.
Patent GB-962134-A (GB)
Title: Improvements in and relating to fibrous glass structures
IPC: D04H1/64
Filed: 1961-06-07
Abstract: 962,134. Moulding fibre - resin articles. OWENS-CORNING FIBERGLAS CORPORATION. June 7, 1961 [June 8, 1960], No. 20607/61. Drawings to Specification. Heading B5A. [Also in Division D1] A fibrous strand " structure " having a length not greater than one inch comprises glass fibres in generally parallel relationship bonded together throughout their length by a resinous material, e.g. a thermosetting synthetic resin applied as an aqueous dispersion thereof, which constitutes at least 2% by weight of the structure. " Structures " are employed to reinforce a hardenable synthetic resin composition in which they are dispersed after drying and before or after curing the resin binder, e.g. as part of the consolidation of the moulded resin product. The binder may comprise polyester, phenolic, epoxy, alkyd, acrylic or melamine resins or resinous copolymers such as butadiene-styrene. The structures are prepared by applying liquid binder to glass fibres; grouping the fibres into a strand or bundle; incorporating the strand into a " roving " in such manner that a crosssection through the roving at any point along its length includes a plurality of cross-sections of strand; concurrently heating the roving and working, i.e. bending, twisting or oscillating, it so as to displace portions of strand which are adjacent in the roving to prevent bonding therebetween; chopping the roving into the short lengths. Specifications 734,189, 796,684, 824,223 and U.S.A. Specification 2,719,926 are referred to.
Patent GB-404964-A (GB)
Title: Improvements in or relating to suspension systems for vehicles
IPC: B60G17/027
Filed: 1932-07-22
Abstract: 404,964. Vehicle spring suspensions ; resilient mountings. LLOYD, W. F., Home Close, Burnham, Buckinghamshire. July 22, 1932, Nos. 20686 and 27801. [Classes 108 (ii) and 108 (iii).] In suspension means for vehicles and elements of structures in which the supporting means comprises atmospheric pressure the suspended body and the part from which it is suspended are coupled together by a lever fulcrumed on one of the posts and connected to the movable member by an extension of the lever with means whereby the leverage may be adjusted. Fig. 2 shows a vehicle suspension in which the axle 10 is connected to a T-lever 15 at each side by a link 14 and the lever 15 is connected, in such a manner as to adjust the leverage of the lever 15, to the piston 24 operating in a cylinder open at one end to the atmosphere and in which the other end is closed and exhausted so that the load of the vehicle is supported by atmospheric pressure. When the load is increased or decreased automatic means decrease or increase the leverage acting on the vacuum device. The arm 15b is provided with a screwed spindle 26 having on its outer end a bevel pinion and engaging with a nut 21 on the arm 15b and connected to the connecting rod 23. On the load increasing a cam 33 draws the rod 34 inwards and stops the gear 29 by means of a clutch 30. Oscillatory movement of the T- lever 15, and consequently of the tube 16, rotates bevel 27 in one way only, permitted by a free wheel device 31, consequently the screwed spindle 26 gives a downward movement to the nut 21 and decreases the leverage. Decrease of load stops the gear 28 permitting gear 29 to be free and drives the nut in the opposite direction to increase the leverage. Fig. 1 shows the vacuum device 4, 5, 6, used in conjunction with the ordinary laminated spring 3.
Patent GB-294154-A (GB)
Title: Improved manufacture of metal coated paper
IPC: D21H19/06
Filed: 1928-07-18
Abstract: 294,154. Glootz, H. July 18, 1927, [Convention date]. Addition to 227,439. Bronzing and the like.-Instead of winding two metal-coated paper webs together to form a roll prior to beating or rolling the roll to convert the metal powder into a uniform covering as described in the parent Specification, a single coated web is used and is rolled up so that the metal-coated face is in contact with the back of the paper. A glossy or dull surface is produced on the metal covering by using a web with a smooth or dull rear surface respectively.
Patent GB-337798-A (GB)
Title: Brake operating mechanism
IPC: B60T13/06
Filed: 1929-07-08
Abstract: 337,798. Eclipse Machine Co. Nov. 5, 1928, [Convention date]. Applied by running axle or wheel.-Brakeoperating mechanism for motor vehicles of the kind in which the brake applying force is derived from a rotating part of the vehicle comprises a shaft 27 constantly rotating in one direction during operation of the vehicle in either direction of travel and adapted to drive, through a clutch controlled by the driver, a coaxial nut member 53 engaging a non-rotatable threaded member 62 connected to the brakes. The shaft 27 geared to the engine clutch shaft and adapted to drive by gearing 26, 25 the transmission shaft 13 carries at its end one member 42 of a friction clutch, secured to the shaft by a screw 41. The other clutch member 43 is fixed on a shaft 45 journaled and axially slidable in a casing 32 bolted to the transmission casing 12 and the sleeve 50<1> of a one-way clutch is connected to the shaft 45 by a pin 54. The nut member 53 has a unidirectional driving connection with the sleeve 50<1> through rollers 53<1>, and is prevented from moving axially by a thrust bearing 57 and a rib 55 engaging an inwardly extending flange 56 of a yoke member 52 forming a bearing for the nut member and for the threaded shaft 62 engaging it. The shaft 62 is held against rotation by splines 63 and is connected by a yoke member 64 with the brake operating levers. Depression of the brake pedal rocks through a yielding link 75 an arm 78 fixed on a cross shaft 79 which carries a clutch operating member 80 having bifurcated ends 85, 86 which press thrust members 87, 88 against the rear of the thrust bearing 47 of the clutch member 43, causing engagement of the clutch members and rotation, through the one-way clutch 50<1>, 53<1>, of the nut 53 drawing the screwed shaft 62 forwardly to apply the brakes. Further movement of the pedal applies the brakes by the direct effort of the operator through the yielding link 75. When the pedal is released the clutch members 42, 43 are separated by a spring 48 and a spring 70 draws the screwed shaft 62 rearwardly, the threads being sufficiently steep to allow of this movement. When the engine clutch is disengaged manual operation of the brakes is permitted by the one-way clutch 50<1>, 53<1> which allows the screwed shaft 62 to rotate the nut 53. Fig. 6 shows a modification driven from the generator shaft 102 geared to the crank shaft of the engine, the clutch member 116 being integral with the nut 115 so that the tension set up in the screwed shaft 112 during application of the brakes reacts on the pedal through thrust bars 126 and lever 121 giving an indication to the operator of the braking force applied. In this modification, the brakes are operated by a lever 128 pivoted to a fixed bracket 129 and having a pin and slot connection 130, 130<1> with the screwed shaft 112.
Patent GB-963872-A (GB)
Title: Intermeshing screw pumps
IPC: F04C2/16
Filed: 1963-05-24
Abstract: 963,872. Intermeshing screw pumps. SULZER FRERES S.A. May 24, 1963 [June 13, 1962], No. 20929/63. Heading F1F. An intermeshing screw pump comprising a casing 21, Fig. 2, having apertures 24, 24<SP>1</SP> for the supply and discharge of pumped liquid and a pump body 20 within the casing containing three pumping rotors 25, 26, 27, includes a flange 33 for connection between a casing flange 34 and casing cover 31 having openings 40, Fig. 3, so that the liquid being pumped before passing through the pump rotors flows in the opposite direction, thus permitting shortening of the drive-shaft 28 and the direct mounting of a gear-wheel 36 thereon instead of the splined connection between the gearwheel and shaft as in earlier constructions. A bearing 30 is secured in the cover 31 and a thrust bearing 35 is also provided.
Patent GB-1091108-A (GB)
Title: Improvements in compressors
IPC: F04B35/04
Filed: 1966-05-11
Abstract: 1,091,108. Compressors. LICENTIA PATENT-VERWALTUNGS-G. m. b. H. May 11, 1966 [May 13, 1965], No.20969/66. Heading F1N. An hermetically sealed refrigerant compressor comprises a piston 13 reciprocable by a swash plate 18 in a cylinder formed in a block 4 laterally adjustable with respect to the swash plate 18 so as to vary the stroke of the piston and thus enable compressors of differing outputs to be produced from the same cylinder block. The cylinder block is secured in its adjusted position by screws 10 which pass through elongated slots 11 and screw into a bearing shield 3 through which the motor-driven shaft of the swash plate passes. The piston 13 is urged into engagement with the swash plate by a spring 19 and its axial length h 1  is chosen to suit the length of stroke required. A plurality of sound damping chambers 14, 15 are formed in the block 4 and their open sides are closed by the bearing shield 3. The surface of the swash plate or of the piston may be of synthetic plastics material of the polyamide or polytetrafluoroethylene type. In a modification the swash plate has two inclines to provide two piston strokes for one turn of the shaft.
Patent GB-418325-A (GB)
Title: Method of making sodium ethyl oxalacetate and the product thereof
IPC: C07C69/716
Filed: 1933-07-26
Abstract: Sodium ethyl oxalacetate is manufactured by dissolving sodium in absolute ethyl alcohol, cooling the solution to about 0--15 DEG  C., adding diethyl oxalate and ethyl acetate in not less than the stoichiometrical proportions and preferably in slight excess, allowing the reaction to proceed substantially to completion at low temperature, then warming the reaction mixture, preferably to the boiling point, and substantially freeing the product from detrimental unreacted constituents.  The purification of the product may be effected by the known processes of recrystallization from boiling absolute alcohol or washing the crude salt with ether, but preferably these methods are eliminated and the product is subjected to filtration under high pressure, e.g. about 2000 lbs. per square inch.
Patent GB-294217-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04Q3/00
Filed: 1928-01-11
Abstract: 294,217. Associated Telephone & Telegraph Co., (Assignees of Wicks, J.). March 17, 1927, [Convention date]. Divided on 287,153. Drawings to Specification. Automatic and semi-automatic exchange systems.-In a, system in which established calls may be broken down in favour of toll calls or calls from another exchange in the area, a connector for use with local or preferred calls guards a preferred call by direct ground on the test multiple and a local call by ground through a low resistance relay which is short-circuited to release the connector when a connector proffers a preferred call to the called party. The circuit changes in a connector whereby it is adapted to operate for a preferred call are initiated, by a differential relay which is connected across the speaking wires and is unbalanced by the temporary application of ground to one of the wires by a toll operator or a repeater. The system described is identical with that described in Specification 287,153.
Patent GB-1352297-A (GB)
Title: Flow control valves
IPC: F16K31/60
Filed: 1972-05-05
Abstract: 1352297 Valves LYNG INDUSTRIER AS LEKSVIKARMATUR 5 May 1972 [7 May 1971] 21125/72 Heading F2V A non-rising valve control knob 16 abuts nut 4 at 26 when the free end 22 of split skirt 20 snaps under formation 14 of the nut, leaving the knob free for rotation to actuate stem 6 which is in splined engagement with the knob at 10. In a modification, the snap fit of the knob on the nut is provided by a flexible skirt on the nut engageable with a bead on part 24 of the knob.
Patent GB-646438-A (GB)
Title: Improvements in or relating to shelves for gas-meters or other articles
IPC: G01F15/18
Filed: 1947-08-05
Abstract: 646,438. Brackets. CHELTENHAM METERS, Ltd., PORTER, J., and TAYLOR, H. Aug. 5, 1947, Nos. 21154 and 23837. [Class 52 (v)] An adjustable shelf for gas meters comprises a mounting member and a supporting member which is adjustable in horizontal and vertical senses to accommodate meters of different sizes. The mounting member comprises two substantially triangular shaped brackets 10 having flanges 11 and pivot pins 14. Two similarly shaped brackets 15 are mounted on the pivot pins 14 with their flanged edges 16 horizontal. Pivotally attached to the brackets 15 is a platform 20 comprising two similar crossmembers 23, 28 and two side members 21. The member 28 may be adjusted on the side members when screws 31 on a spacing member 19 are slackened. Pins 27 are inserted in holes 26 in the mounting brackets and the supporting member is held in its higher position by the engagement of these pins by a flange 25 on the rear cross member 23. In a second construction the mounting brackets 35 are spaced by a rod 36. The platform comprises three members 40, 41, 43. The members 40, 41 are hingedly connected and the member 40 which is of a width equal to the required range of vertical adjustment is hinged to the spacing strip 36. The front member 43 has flanges 44 within which the ends of the second strip 41 are slidable to give a horizontal adjustment. A rod 45 attached to the front member 43 is received in slots 46 in the bracket. The shape of the slots 46 and the hinge connection between the members 40, 41 allow the platform to be adjusted in a vertical direction.
Patent GB-933780-A (GB)
Title: Improvements in or relating to pressure variation recording instruments
IPC: G01N7/02
Filed: 1960-06-17
Abstract: 933,780. Measuring pressure electrically. B. BRAUN, and O. BRAUN, [trading as B. BRAUN [firm of]]. June 17, 1960 [June 18, 1959], No. 21283/60. Class 40 (1). [Also in Group XIX] The height of the conductive liquid in a container 1 (Fig. 1), representing the pressure and therefore the quantity of gas inside a closed vessel 8, is sensed by a fixed electrode 7 acting as a follow-up switch in conjunction with the liquid, and controlling a motor 4 to drive a belt 2 to which the container 1 is attached, so that it oscillates about the position in which electrode 7 just touches the liquid. This position is recorded on a moving chart 10 by a pen 9 attached to the bolt 2, the relationship between the movements of the pen 9 and the container 1 being adjustable by a pantograph lever 11 as shown, or by a variable gear coupling between the pen 9 and the container 1. To avoid large amplitude movements of the container 1 due to surface tension between the liquid and electrode 7, periodic pulses may be superimposed by a rotating cam throttle 14, or by vibrating electrode 7 relative to the container 1. The conductive liquid is preferably salt solution, or thallium formate for larger pressure changes. The gas above the liquid is maintained at N.T.P. by connection to a large vessel 22, in a temperature-controlled bath 23.
Patent GB-358154-A (GB)
IPC: F04D29/46
Filed: 1930-07-14
Abstract: 358,154. Centrifugal fans. STURTEVANT CO., B. F., 6, Damon Street, Hyde Park, Boston, U.S.A.-(Assignees of Hagen, H. F.; Dedham, Massachusetts, U.S.A.) July 14, 1930, No. 21284. Convention date, Oct. 31, 1929. [Class 110 (i).] Regulating and controlling.-The axial inlet of a centrifugal fan contains pivoted vanes simultaneously adjustable to vary the spin velocity of the entering fluid and so vary the output of the fan. The rotor 6 is mounted on the shaft 8 driven by a constant-speed motor, and the casing has inlets 12 at each side of the rotor. Overlapping vanes 16 are supported by pivots 20, 18 in the hub 22 and the inlet cone 12 respectively. These are arranged so that the part of each vane on the inner side of the pivots is of greater area than that on the outer side. The axes about which the vanes turn fall on a conical surface and are nearly radial. The pins 18 carry plates 32 which are connected together by links 34 ; a spring 36 is included in the circuit thus formed to take up lost motion in the mechanism. The system of links 34 at each end of the fan is connected by a link 40 to an arm 42 on a rock shaft 44. This shaft may be operated manually or automatically to move the vanes 16 to vary the size and direction of the inlet openings. Specification 295,018, [Class 110 (i), Centrifugal and screw fans &c.], is referred to.
Patent GB-630344-A (GB)
Title: Electric condensers and method of making the same
IPC: H01G13/00
Filed: 1947-08-06
Abstract: 630,344. Condensers. ERIE RESISTOR CORPORATION. Aug. 6, 1947, No. 21364. Convention date, May 10, 1945. [Class 37] A method of making condensers, including a ceramic dielectric, comprises coating one side of a ceramic dielectric with a metallic paint and then progressively coating the other side until the capacity of the soformed condenser reaches a predetermined value as indicated in a measuring circuit 12. In Fig. 2, a ceramic tube 1 with inner electrode 2 already applied, is plugged at its lower end 10 and lowered into paint container 14 until the required capacity value is obtained. A modification of this method is shown in Fig. 5, and Fig. 6 shows application of the paint by a striping wheel process. Control circuits may terminate the paint application when the desired capacity value is attained. Suitable metallic paints containing precipitated silver or silver oxide are specified.
Patent GB-723704-A (GB)
Title: Improvements in or relating to control devices embodying ratchet mechanism
IPC: F16D41/12
Filed: 1953-08-26
Abstract: 723,704. Locking rotary elements. PILLIN, Ltd., J. B., and MARLEY, N. F. Aug. 26, 1953 [Aug. 26, 1952], No. 21475/52. Class 80 (4) [Also in Group XXX] In a detent device applicable to a spring- returned hose reel wherein a pawl 11 secured to a gravity-loaded eccentrically-pivoted disc 15 co-operates with the slotted periphery of a plate 13 attached to the reel to lock it in a hoseextended position against the action of the return spring, as described in Specification 723,703, a blade spring 20, which operates a button 22 of a switch controlling a fluid pump supplying the hose, lies in the path of a pin 19 on the eccentric disc 15 so that when the hose is locked in the required extended position the button 22 is depressed to initiate a flow of fluid in the hose. When the hose is being paid out and the pawl successively enters the slots, the movement of disc 15 is insufficient to deflect the spring 20 to an extent to operate the button 22. When, however, the required length of hose has been pulled out and the hose is released while the pawl is in a slot, the spring loading on the reel causes a small anti-clockwise movement thereof, which, while locking the pawl in the slot further deflects the spring 20 and operates the button 22. The fluid flow is arrested by pulling on the hose, thereby releasing the pawl 11 and allowing the spring 20 to release the button 22 to cut off the fluid supply, whereafter the hose may be re-wound by its spring, the projections 23 successively knocking the pawl clear of the slots as described in Specification 723,703. The switch may be replaced by a mercury switch, or by mechanical means such as a cock in the fluid system.