baber/WOPTO huggingface dataset:
Patent GB-780023-A (GB)
Title: New or improved combustion process for internal combustion engines with subdivided combustion space
IPC: F02B21/02
Filed: 1955-05-25
Abstract: 780,023. Fuel injection engines; cooling cylinders. PFLAUM, W. May 25, 1955 '[May 25, 1954], No. 15087/55. Classes 7(2) and 7(3) The temperature of the wall of an air cell or precombustion chamber 11, Fig. 1, in which the air is caused to rotate is automatically controlled by heating the wall,in dependence upon an engine operating condition such as speed, load, or engine temperature. In Fig. 1 the entry passage 16 to the cylindrical precombustion chamber 11 is provided with inclined guide vanes, shown developed in Fig. 5, which cause the entering air to rotate. The wall of the precombustion chamber 11 is surrounded by an electrical heating coil 17 embedded in an insulator 18 insulating the coil from the cylinder head cooling medium, which coil is controlled in accordance with engine speed, or output, or by a thermostat arranged in the engine cooling system. In modifications the coil 17 is replaced by or provided in addition to a coiled tube through which flows a fluid heating or cooling medium, permitting the chamber to be heated or cooled when desired. The fluid medium may be heated or cooled by chemical or mechanical means. In Fig. 2 the precombustion chamber is formed in a separate insert 9 which is arranged in a corresponding cavity in the cylinder head to leave a space 20 in which the heating coil 21 may be arranged or through which a heating or cooling medium may flow directly. The precombustion chamber may alternatively be heated by high-frequency electric heating means. The guide vanes, Fig. 5, for the air may be arranged uniformly or non-uniformly as shown. In Fig. 6, the combustion chamber is spherical and the injector is arranged on the axis 24 of the rotating air. If the engine has separate cylinder heads 31, Fig. 8, recesses 32 are provided in which the injectors 33 can be fitted without removing the cylinder heads; similarly, in engines having a common cylinder head for several cylinders, Fig. 9, the injectors are arranged in recesses 34 in the head in an inclined manner to permit removal. The heating means may be used to heat the precombustion chamber to facilitate starting.
Patent GB-333578-A (GB)
Title: Improvements in electrodynamic devices more particularly for use in receiving and transmitting sound
IPC: H04R1/22
Filed: 1929-05-15
Abstract: 333,578. Western Electric Co., Ltd., (Bell Telephone Laboratories, Inc.). May 15,1929. Electromagnets.-The magnetic elements of an electrodynamic telephone transmitter or receiver are magnetized after assembly of the complete transmitter or receiver by inverting the unit and placing it on the electromagnetic magnetizing structure shown. This structure comprises a cylindrical shell 80 closed at one end by a disc 81 which carries a tapered central pole 82 and a removable pole-piece 85, the surface of which is formed to correspond with the curvature of the diaphragm and central pole-piece of the transmitter or receiver 87. A coil 83 is fitted within the casing 80, which is closed by an apertured circular pole-piece 84 and an insert 86 which forms a seat for the outer pole-piece of the transmitter or receiver. A heavy current is passed through the coil 83 to induce a high magnetic flux in the structure in contact with the polepieces of the magnetizing structure.
Patent GB-182297-A (GB)
Title: Improvements in valve caps
IPC: B60C29/06
Filed: 1921-06-01
Abstract: 182,297. Kraft, H. P. June, 1, 1921. Dust caps for tyre valves. -The packing-washer D for a valve cap provided with internal screw-threads is carried by a swivel member E having a central boss K located in a corresponding recess J in the valve cap. The packing-washer extends into a recess M and is supported by a tubular flange F and an annular flange H. The flange H may be cupped to facilitate insertion and afterwards straightened so that it enters the recess M. The cap may have a skirt portion N to protect the valve casing.
Patent GB-784347-A (GB)
Title: Removal of stains from textiles
IPC: D06L1/01
Filed: 1955-05-26
Abstract: A powder for removing stains from fabrics (see Group XXIII) consists of dry substantially pure magnesium silicate or silicates, preferably a magnesium polysilicate, containing less than 0.5 per cent (by weight) of carbonate impurities and of such fineness that at least 90 per cent of the powder will pass through a screen of 4000 meshes per square centimetre.
Patent GB-652319-A (GB)
Title: Device for maintaining the stability and control of aircraft at low or zero speed relative to the ground
IPC: B64C29/00
Filed: 1948-06-07
Abstract: 652,319. Controlling aircraft. JEFFERIES, A. E. June 7, 1948, No. 15271. [Class 4] A device for the automatic control of heavierthan-air aircraft at low or zero speed relative to the ground, consists of air delivery valves, controlled by gyroscopes, and delivering a volume of air from a turbine driven blower to the lifting and control surfaces of an aircraft, so that the airflow conditions obtaining at the surfaces at any moment may create sufficient lift to support the aircraft. The power units A, which are either turbo-propeller or turbo-jet installations, are provided with an additional section B containing a turbine C and a blower D mounted on a common shaft. The air supply to the blower D is delivered through a duct F in turn connected to further ducts placed internally of the leading edge of the wing of the aircraft and formed with ports through which the boundary layer air is removed from the wing. The air supply from the blower D is delivered to a main duct G positioned parallel to the longitudinal axis' of the fuselage and provided at either end with control valves V and I which regulate the flow of air delivered to the lifting surfaces at J and J1 through external leading edge ducts, excess air being discharged through a relief valve K. The valves V and I are gyro-controlled so that they automatically vary the flow of air to port or starboard wings or tailplanes to trim rolling or .pitching displacements which may be imposed on the aircraft by external conditions. When the pilot wishes to maintain the aircraft in an airborne condition at zero or low forward speed, he operates a control member which wholly or partially closes a variable outlet valve E on the jet pipe orifice in the case of turbo-jet units to divert the flow of gases from the engine turbine to the turbine C or in the case of turbopropeller installations to feather the propeller blades and divert some of the propulsion gases from the main turbine to the turbine C. Such action would bring the blower D into operation to create a flow of air over the lifting surfaces sufficient to ensure adequate lift and control of the aircraft may be maintained by operation of the usual control surfaces or operation of the gyro-controlled valves V and I. To prevent ice formation on the lifting surfaces, heat from the power units may be supplied to the duct G.
Patent GB-1262456-A (GB)
Title: Improved mounting structure for suspending a cylindrical tank or the like container
Inventor: BRAITHWAITE JOHN CANNON
IPC: G21C13/024
Filed: 1968-03-29
Abstract: 1,262,456. Tank mounting. VICKERS Ltd. 28 March, 1969 [29 March, 1968], No. 15298/68. Heading B7S. A mounting which suspends a cylindrical tank 10 holding noxious materials in a ship structure comprises an upstanding rigid structure rectangular in plan and formed by transverse bulkheads 1, 2 and longitudinal bulkheads 3, 4, the tank being suspended over and clear of the base of the compartment formed by the bulkheads. An intermediate supporting structure 7 secured to the bulkheads and to the tank is such that it surrounds the tank, is attached to the lower parts of the tank and extends upwardly and outwardly towards the bulkheads. The upper portion of the tank is held in spaced relation to the bulkheads by panting plates 8. In the embodiment shown the intermediate supporting structure is conical in form. In others, it may be of pyramidal form or a lattice framework.
Patent GB-1370595-A (GB)
Title: Bending apparatus
IPC: B21D5/02
Filed: 1973-03-30
Abstract: 1370595 Adjustable dies HAMMERLE AG MASCHINENFABRIK 30 March 1973 [13 April 1972] 15313/73 Heading B3E Bending apparatus for bending metal sheets 9, Fig. 1, comprises a punch 1 and a co-operating die 5, a longitudinally extending recess 7 in the surface of the die, and a stop member provided in the bottom of the recess to adjust the spacing between the effective bottom of the die recess and the top of the die. The punch is secured to a support of a folding or bending press and its working surfaces 2, 3 contact the sheet 9 with a working tip 4. Upon contact of sheet 9 with a stop bar 8 a pressure switch (not shown) interrupts movement of the punch. The bar is readily removable and replaceable. Alternatively, an adjustable stop bar 10, Fig. 3, may be provided. The bar may be adjusted by a plurality of supporting spindles attached to a hand wheel (not shown), or may comprise bevelled surfaces 12 which cooperate with oblique flat surfaces 11 in the die recess 7 and may be displaced back and forth. The bar 10 may be connected with a controlled actuating mechanism (not shown).
Patent GB-721705-A (GB)
Title: Improvements in or relating to molding elongated shapes from polytetrafluoroethylene
IPC: B29D23/00
Filed: 1952-06-18
Abstract: 721,705. Hoppers. POLYMER CORPORATION..June 18, 1952 [June 20, 1951], No. 15340/52. Class 78 (1). [Also in Groups II and V] Polytetrafluoroethylene powder is agitated in a hopper 10 prior to moulding (see Group V) by rotating beaters having radial spokes 24 with blades 25. The leading edges of the blades are tapered and the trailing edges rounded. The powder is fed from the hopper by a screw 35.
Patent GB-240231-A (GB)
Title: Improvements in means for displaying the contents of boxes and the like
IPC: B65D5/52
Filed: 1924-06-25
Abstract: 240,231. Appleton, T. H. June 25, 1924. Fittings, external.-To facilitate displaying its contents a box is provided with one or more devices each of which is adapted to tilt the box and at the same time to support the lid in an open position. The devices preferably comprise members b of cardboard, wood. metal &c. pivoted about the rear wall or lid of the box. when composed of metal or other rigid material, the upper end b<2> of the member is bent outwardly.
Patent GB-1498680-A (GB)
Title: Flare burner for waste combustible gas
IPC: F23C9/06
Filed: 1975-11-20
Abstract: 1498680 Flare stack burners COMBUSTION UNLIMITED Inc 20 Nov 1975 [18 March 1975] 15359/77 Divided out of 1498679 Heading F4T The apparatus is as described in Specification 1,498,679, but the claims relate to a flare burner surrounded by a sound-absorbing fence.
Patent GB-190089-A (GB)
Title: Improvements in and relating to, cooking and heating utensils and the like
IPC: A47J27/122
Filed: 1922-06-01
Abstract: 190,089. Bowles, C. M. June 1, 1922. Supports for articles to be heated.- A flanged tray c, for supporting a group of sector-shaped cooking vessels during heating, has openings d and f<1> for the passage of the heating medium and may be mounted upon feet.
Patent GB-117369-A (GB)
Title: Means for Suspending Curtains.
Inventor: CARPENTER ARCHIBALD HORI
IPC: A47H13/02
Filed: 1917-10-24
Abstract: 117,369. Carpenter, A. H. Oct. 24, 1917. Hooks. -- A curtain suspender is formed with a hooklike part a to take over the curtain pole or rod and with a hook-like projection b to en. gage a reacher or long arm, to facilitate putting up a n d taking down of the curtain. The curtain is attached to the hooked part c or to a spring clip on the suspender.
Patent GB-660869-A (GB)
Title: Improvements in or relating to dynamo electric machines
IPC: H02K27/08
Filed: 1949-06-10
Abstract: 660,869. Cores for dynamo-electric machines. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. June 10, 1949 [July 17, 1948], No. 15469/49. Class 35. The stator or rotor core, e.g. of a series motor, has its slots 12 disposed in pairs in " back-toback " relationship separated by a parallelsided interpole 14, the slots 12 being formed of straight portions 15 opening wide to the airgap and of enlarged portions 16. The poles 13 carry the main field winding 5 1  formed of eight half-turns 21 1  to 21 8  making up a fourturn coil 5 1 , the active sides 22 of which are accommodated in the slot portions 16. The half-turn corresponding ends of the coil 5 1  are so formed as to register with each other to be brazed. The commutating coils on the pole 14 and the main field coils 5 1  alternate with each other and are so disposed as not to overlap each other.
Patent GB-1080934-A (GB)
Title: Motor driven impellar pump
IPC: F04D29/04
Filed: 1965-04-12
Abstract: 1,080,934. Electric motors. CRANE CO. April 12, 1965 [Sept. 9, 1964], No. 15516/65. Heading H2A. [Also in Division F1] The subject-matter of this Specification is substantially the same as that described in Specification 1,079,896, but the variable orifice is formed between the back face of the impeller and the adjacent wall of the pump housing.
Patent GB-384566-A (GB)
Title: Improvements in or relating to concrete mixing machines
IPC: B28C5/20
Filed: 1932-06-01
Abstract: 384,566. Concrete mixers. JAEGER, G., 642, Wilson Avenue, Columbus, Ohio, U.S.A. June 1, 1932, No. 15547. [Class 86.] The drum of a concrete mixer is closed at one end and has a discharge aperture at the other, spiral mixing blades 40, 41 extending from the open end substantially to the closed end which carries supplemental inclined blades 42. The blades 42, fitted with flanges 42a, return the material to the central part of the drum, and are supported by a central tube 43 serving as a water supply. The blades 40, 41 are of increased width near the discharge aperture.
Patent GB-144878-A (GB)
Title: Improvements in tramway rails
IPC: E01B5/10
Filed: 1919-06-20
Abstract: 144,878. Hitchcock, J. P. June 20, 1919. Rails, metallic built-up.-Tramway rails have a renewable tread b, Fig. 1, with dovetail portion b<1> resting on the base a and engaged by a rib c' on a strip c which extends up to the level of the top of the tread and serves as the guard flange. The strip c has a thickened edge or rib c<2>, and is held down by taper washers h and secured by bolts d. studs, or tie-rods. In a modification, a rib may be rolled on the base a to engage a groove in the strip c, or pins may be provided on one part to enter grooves in the other part. The holes in the rails may be slotted horizontally to allow for expansion and contraction, or vertically to allow vertical movement of the strip c, and the guard may be thickened at curves, as shown at j, Fig. 2. In another form, the rib c' may rest on the tread rail b, while the strip c closely engages the head a<1> of the base a, the rib c<2> preferably being dispensed with, and the washers h reversed. The joints of the tread and guide rails b, c may be staggered with respect to the joints in the base a, and the tread rail joints may be cut at an angle of 45 degrees. Access to the bolts may be provided by inspection boxes with covers.
Patent GB-315064-A (GB)
Title: An apparatus for testing the tensile strength of yarn
IPC: G01N3/10
Filed: 1928-05-30
Abstract: 315,064. Laverack, A. H. May 30, 1928. Testing tensile strength of yarn.-Comprises a construction of hydraulic apparaus adapted to use water from the ordinary mains. A ram 4 provided with a leather cup 5 and a bracket 6 works in a barrel 1 to which water from the ordinary mains is admitted from a pipe 2 having a three-way cock 3. A flexible wire rope attached to the bracket passes over a pulley 8 to a weight 7. The sample of yarn is attached to the bracket 6 and to the hook 10 of an indicating device, the pull being applied by admitting water to the barrel 1. A stop 9 prevents the ram travelling too far.
Patent GB-384318-A (GB)
Title: Improvements in and relating to sound recording apparatus
IPC: G11B7/00
Filed: 1931-05-29
Abstract: 384,318. Optical sound - recording apparatus. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Robinson, L. T. ; 100, Balltown Road, Schenectady, New York, U.S.A.) May 29, 1931, No. 15774. Convention date, May 30, 1930. [Class 40 (ii).] A method of recording sound on a photographic film consists in controlling a beam of light directed on the film in' accordance with electric oscillations corresponding to the sound waves to be recorded, and subjecting the sound track, during the recording process and after its exposure to the recording light beam, to a supplementary exposure which varies with the amplitude of the recorded sound by rectifying the electric oscillations and utilizing the rectified currents to influence an auxiliary source of light directed upon the sound track. A record of variable width is recorded on the film 1, Fig. 1, by means of optical apparatus comprising a light source 4, lens 5, diaphragm 6, oscillograph 7, and a lens system 10 .. 13. The second exposure is provided by means of apparatus comprising a light source 21, lens 22, diaphragm 23, oscillograph 24, and lens system 26 .. 29. The oscillograph 24 is connected in circuit with the oscillograph 7 through rectifiers 30 .. 33, a resistance 34, and inductances 35, 36. The oscillograph 7 is arranged to form a sound record 15 as shown in Fig. 3, and is adjusted so that when no sound is being recorded approximately one-half of the track is exposed. The osoillograph 24 forms a record 37 and is adjusted so that when there is no sound being recorded, all or approximately all of the other half of the sound track is exposed to light from the source 21. The inductances are adjusted so that the lag in the circuit corresponds to the time taken for the film to travel between the two exposing beams. The record shown in Fig. 3 may be used directly for reproducing purposes. To form records of the variable density type, the film may be exposed to light from a source of variable intensity under the influence of the sounds, and the supplementary exposure may be provided by a second light source controlled by a rectified and smoothed component of the current controlling the recording light source. Specification 288,225, [Class 40 (ii), Phonographs &c.], is referred to. The Specification as open to inspection under Sect. 91 describes also the use of the apparatus described above as part of a re-recording mechanism, in which the record 15 is made from a former record. This subject-matter does not appear in the Specification as accepted.
Patent GB-1106918-A (GB)
Title: Improvements in or relating to card-receiving compartments in record-card machines
IPC: G06K13/10
Filed: 1966-04-07
Abstract: 1,106,918. Delivering sheets. SOCIETE INDUSTRIELLE BULL-GENERAL ELECTRIC. 7 April, 1966 [28 April, 1965], No. 15780/66. Heading B6H. In a card-piling receiver in which cards are delivered in a horizontal plane to fall one above the other, the card piling compartment comprises, an endless conveyer 102 stretched vertically between two rollers 103, 104 disposed outside the compartment so that one portion of the conveyer coincides with a wall of compartment, two hinged card-supports 101, 108 disposed at two opposite points along the conveyer, and driving means moving downwardly in a hinged out position, that support which is inside the compartment, and moving upwardly, in a hinged down position, that support which is -outside the compartment. The roller 103 is driven by an electric motor M mechanically coupled to an electromagnetic brake F which is automatically applied when the motor is switched off. The motor is controlled by contacts CC and card feeler 103 with contacts CP operated when the support ,is in half descent position, contacts CR, and a photo-electric control L, PH, which detects whether cards have reached the holding lugs 110, 110 at the lower end of the compartment. At the appropriate moment the lugs are tilted by a rod T to allow the cards to fall on an extracting device shown as an endless belt 114. In operation cards are delivered to the receiver by rollers 10, 20 or 30 and deflected into a required compartment. With no cards on a support 101 the contacts CC2 are closed so that relay B02 is energized. Contacts CBO2 of this relay are thus open and the motor M receives no operating voltage and the braking electromagnet BF is released so spring force applies the brake. The conveyer 102 is stationary until switch KD is operated which operates relays BO3 BO4. A consequence of this is relay BO2 is released and BO1 is energized. Motor M starts and brake BF energized to release the brake. Closure of CBO1 shorts the resistor R so the motor rotates at full speed. When the card support reaches contacts CP the motor is stopped and the brake applied. Cards continue to build up on the platform but when a feeler 107 is moved due to the height of the cards, contacts CC2 open and CC1 close. The brake is released and the motor M drives the conveyer 102 at a slow speed since contacts CBO2 are open and the resistance R is in series with the motor. Stopping and starting occurs as necessary. If cards arrive at a high rate the circuits arrange for the motor to drive the conveyer at full speed. Cards accumulated on the support 101 and stopped in the intermediate descent position may be lowered to the bottom of the compartment by depressing the switch KD.
Patent GB-242909-A (GB)
Title: Improvements in hand hoes, or weeding tools
IPC: A01B1/22
Filed: 1925-06-18
Abstract: 242,909. Koch, J. June 18, 1925. Pivoted handles.-The handle 8 of a hoe has arms 6, 7 to which the ends 4, 5 of a yokeshaped blade 1 are pivotally connected so that the blade is free to move through a limited angle during operation. The ends 4, 5 are bent inwardly above the arms 6, 7 to form stops to limit the movement.
Patent GB-515262-A (GB)
Title: Improvements in freezing trays
IPC: F25C1/24
Filed: 1938-05-27
Abstract: 515,262. Ice-making. GENERAL MOTORS CORPORATION. May 27, 1938, No. 15869. Convention date, May 28, 1937. [Class 29] A removable grid for domestic ice-making trays comprises a series of transverse walls 12 loosely retained in marginal notches in upper and lower relatively movable parts 13, 14 of a longitudinal wall, a lever 15 pivoted at 40 to the upper longitudinal part being adapted to engage the lower part to effect successive rocking movement of the transverse walls to detach the ice blocks. The two members of the longitudinal wall are threaded through slots 16, Fig. 12, in the transverse partitions, a tongue 19 being bent out of the plane of each transverse partition to allow the two members to be threaded while in overlapping relation and closed after the member 13 has been lifted above the lower member 14 so as to retain the parts loosely in position. Bent tabs 28 of the transverse partitions are slotted to embrace and guide the member 13, which has notches 20 of gradually increasing width. The actuating lever 15 has a roller 43 to engage the rim 42 of the flexible tray wall to detach the tray from the grid, and the portion 45 of the lever is wedge shaped to bear upon and separate the end pair of ice blocks when the handle is only partly raised, as shown in Fig. 5. Subsequent upward movement of the handle brings the roller 43 into engagement with the end of the longitudinal member 14, as shown in Fig. 6, and thereafter the longitudinal member 13 is readily movable to break successive transverse partitions away from the ice blocks. The transverse partitions may be held positively in freezing position by the rubber pads 50, Fig. 8, retained by projections 51 in notches in the members 13 and compressible when the member 13 is moved to release the ice blocks ; or coiled springs 60, Fig. 10, in tension may be employed to hold the transverse partitions in place. The lower notches in the member 14 may be shaped as shown at 65, to allow the transverse walls to move through a wide angle. The necks of ice in these notches are broken when the transverse walls are tilted. Specifications 489,247 and 504,585 are referred to.