baber/WOPTO huggingface dataset:
Patent GB-131483-A (GB)
Title: An Improved Impeller for Rotary Pumps, Fans, and the like, applicable for use as a Propeller.
Inventor: KITE CHARLES FOSTER
IPC: F04D29/28
Filed: 1918-09-14
Abstract: 131,483. Kite, C. F., and Skelt, M. H. Sept. 14, 1918. Addition to 2900/15. Shallow - overhungblade fans and pumps; multi-stage centrifugal fans and pumps; casings.-A rotor of the kind claimed in the parent Specification comprises a number of inclined planes 2, the inner edge of one blade being in the same radial plane as the outer edge of the adjacent blade so that the blades form a stepped periphery with outlet apertures. The blades are cast with or attached to a disk or spider 1 and a ring 3 at opposite ends. The vanes are approximately equal to the sides of the corresponding prism circumscribed by the periphery of the impeller. The casing is closed by an inlet disk and a bearing plate which are interchangeable to reverse the fan or pump. A series of impellers may be arranged on one shaft in a multiple casing for high pressures.
Patent GB-1273855-A (GB)
Title: Improvements in or relating to electrically heated storage radiators
Inventor: RANDELL JOHN EDWARD
IPC: F24H7/00
Filed: 1970-03-26
Abstract: 1,273,855. Thermal storage heaters. ELECTRICITY COUNCIL. 19 April, 1971 [26 March, 1970], No. 15002/70. Heading F4U. An electrically heated thermal storage heater has controlled vacuum insulation formed by an airtight casing or casings which partly or wholly surround the core and which is or are connected to a vacuum pump. Ingress of air into the casing or casings to control the degree of vacuum insulation is permitted by a bleed valve which may shut off the connection to the pump when air is admitted. The or each casing may be of double wall construction and have insulating material therein.
Patent GB-587948-A (GB)
Title: Improvements in clocks or time switches
IPC: G04C3/02
Filed: 1944-08-07
Abstract: 587,948. Clocks. PARRISS, E. G. Aug. 7, 1944, No. 15005. [Class 139] [Also in Groups XXXV and XXXVII] Controlling mechanism for clocks, time switches and the like, comprises a ball adapted to run down an inclined track which is pivotally mounted intermediate its ends or associated with a similarly pivoted member, an electric circuit adapted to be closed by pivotal movement of the track or member, and an electromagnet in the circuit energised when the circuit is closed to effect a sudden return of the track or member to its initial position in which the circuit is broken. In the arrangement shown in Fig. 1 the invention is applied to a clock having a free pendulum 21 and the operation is as follows. A ball 3 rolling down a runway 19 strikes a transfer member 22 and so oscillates the pendulum 21. The ball is then transferred to the upper end of a pivoted track 1, formed by two laterally spaced rails, and travels lengthwise thereof causing the track 1 to rotate about its pivot 4 and close the contacts 14, 15 of the electric circuit shown. At that instant the electro-magnet 8 is energised and attracts the armature 9 thus moving the arm 13 violently upwards to strike the track 1 and return it to its initial position. At the same time the ball which is now at the end 6 of the track 1 is thrown upwardly against deflector 18 into the runway 19 again. In the embodiment shown two balls are used one of which is retained by means of a hooked arm 20 at the lower end of the runway 19 until the other ball reaches the end 6 of the track 1, thus ensuring that one ball is always on the runway 19 whilst the other is on track 1.
Patent GB-917827-A (GB)
Title: Improvements in or relating to containers for electrical or other equipment
IPC: H05K5/04
Filed: 1960-04-28
Abstract: 917,827. Assemblies for telecommunication &c. GENERAL ELECTRIC CO. Ltd., and HALL, K. R. T. July 27, 1961 [April 28, 1960], No. 15045/60. Class 37. A casing 1 for electrical equipment comprises members 2 each providing one side of the casing and comprising a portion 17 at right-angles which is fastened by welding or riveting to the adjacent side and to which is attached a portion 18 stepped away from the main side. The arrangement is that when a number of the units are stacked together in the manner shown in Fig. 5 they fit closely because the heads of rivets 42 enter the recess formed by the step in the adjacent member. In the particular embodiment shown each member is provided with side holes 7, 8 the edges 10 of which are turned in and lugs 23 to which a back panel 20 of aluminium alloy is attached by arms 22 and screws 25. This back panel may carry one portion 24 (Fig. 4) of an electrical connector, the other portion 33 of which is mounted on a chassis 28 which slides into the housing, as shown in Fig. 3, and is of such width as not to foul the rivet heads. The chassis is held in place by a front plate 29 to which it is screwed and which is itself screwed to lugs 32 provided at the front of certain of the members 2.
Patent GB-181947-A (GB)
Title: Improvements in or relating to catamenial garments
IPC: A61F13/64
Filed: 1921-05-31
Abstract: 181,947. McNair, D. S. May 31, 1921. Catamenial appliances.-An appliance is made so that the support 16 for the usual pad &c. 26 is formed integrally with the bottom of the back of a waist member 10 in the nature of a corset. and is fastened through an elastic member 18 to the front of the waist member. A reinforcing panel (not shown) is sewn to the inner side of the lower end of the support 16 and resilient sockets 22 on the edge of this panel engage heads 23 secured at the front lower end of the waist member to prevent wrinkling of the support 16. The pad 26 may be attached to the support 16 by resilient studs and sockets. The waist member, which opens at the front, is provided with a number of removable vertical stiffeners 29 and at the lower end with transverse stiffeners 30 extending round the body. Shoulder straps 11 may be provided.
Patent GB-420090-A (GB)
Title: Improvements relating to stop-motions of circular looms
IPC: D03D37/00
Filed: 1933-05-25
Abstract: 420,090. Circular looms. BRITISH CELANESE, Ltd., 22, Hanover Square, London, JABOULEY, J., and YEADON, R., c/o British Celanese, Ltd., Spondon, near Derby. May 25, 1933, No. 15113. [Classes 142 (i), 142 (ii), and 142 (iii)] In circular looms such as are described in Specifications 285,435, [Class 142 (ii)], and 396,757 wherein a warp-feeler on the front of the shuttle is adapted to be pressed back to stop the loom in the event of jammed warps, means is provided to stop the loom on weft failure, which comprises a weft-feeler normally held inoperative by the weft, but adapted to be urged into the warp threads on weft failure and thereby cause a warp jam. The shuttles may be stationary. The weft-feeler 24, Figs. 1 and 10, has a hook 28 normally engaged by the weft and is urged by the warps to extend further from the rear of the shuttle. When the weft fails, the feeler extends far enough to prevent shedding. The warp-feeler 16 of the succeeding shuttle 31 is thereby pushed back and effects the stoppage of the loom through clutch members 34, 35 in the manner described in Specification 396,758. The feeler is flexible and may move a limited distance in a tube 21 on the shuttle, or it may comprise a hair-pin loop that is prevented from leaving the shuttle by a fine chain or cord.
Patent GB-104312-A (GB)
Title: Improvements in and relating to Linoleum Trucks.
Inventor: MCCABE ALLAN JOSEPH
IPC: A47F7/17
Filed: 1916-10-25
Abstract: 104,312. McCabe, A. J., and McKenna, J. Oct. 25, 1916. Hand-trucks. - A truck for handling linoleum is provided with a pair of rollers 28 adapted to support the roll of material in a manner enabling it to be readily unrolled for display or cutting. To facilitate loading and unloading the roll on and off the truck, the front wheel 18 is arranged to be swung upwardly so as to tilt the truck. For this purpose, the fork 19 of the wheel may be hinged at 23 to the frame member 20 so as to turn laterally, as indicated in Fig. 3. The hinge-pin is secured to the fork and forms part of a rod 24, which can be rotated by a handle 25 to move the fork. The fork may instead be hinged to swing up longitudinally of the truck.
Patent GB-629884-A (GB)
Title: Improvements in hydraulic control systems
IPC: F15B15/26
Filed: 1944-08-10
Abstract: 629,884. Fluid-pressure servomotors. MILES AIRCRAFT, Ltd., and HEAL, L. C. Aug. 10, 1944, No. 15287. [Class 135] In a fluid-pressure operated apparatus having a piston or ram mounted for relative sliding movement in a cylinder, means for locking the piston and cylinder together comprise spaced locking rings associated with the piston and a valve for admitting operating fluid under pressure between the rings to cause them to grip the cylinder wall. As shown, the piston 3 has two sealing. rings 10a, 10b of synthetic rubber or the like engaging the cylinder 1. The space 11 between the rings is connected by passages 12a, 12b with the pressure inlet ports 6a, 6b of a control valve 4 movable within the piston 3 on either side of a neutral position to an extent permitted by annular buffers 9a, 9b of synthetic rubber or the like. Pressure fluid is admitted to the two sides of the piston through ports 5a, 5b placed in communication with the ports 6a, 6b respectively or with a common exhaust port 8 according to the direction of movement of the valve 4. The passages 12a, 12b and hence the space 11 are respectively connected with ports 13a, 13b and exhaust passages 14 when the valve 4 moves away from its neutral position thus releasing the sealing rings from pressure. The pistonrod is in two relatively movable parts, one 2a carrying the control valve and being connected to the pilot's control column and the other 2b carrying the piston 3 and being connected to the controlled member, for example an aircraft control surface. An auxiliary valve 15 with closure heads 16, 18 adapted to co-operate with seats 17, 19 is urged by a spring 20 to seat the head 18 and unseat the head 16 but is normally prevented from doing so by the fluid pressure supply which passes 'through the part 2a into passages 7 and hence to the ports 6a, 6b. When the supply pressure falls or fails, the valve head 16 opens to place passages 7 and 14 in communication so that on movement of the control valve 4 fluid can pass freely from one side of the piston to the other without hindering manual actuation of the piston. A non-return valve is provided in the pressure inlet and exhaust. The valve centring means and the connections for the fluid pressure supply and exhaust may be as described in Specification 629,086.
Patent GB-680942-A (GB)
Title: Improvements in or relating to goggles
IPC: A61F9/02
Filed: 1950-06-19
Abstract: 680,942. Goggles. ROGERS, T. J., and ROGERS, J. A. June 18, 1951 [June 19, 1950], No. 15297/50. Class 97 (i). Goggles comprise two flexibly-connected eyepieces each formed by moulding from plastic material and including a rim moulded integrally with a housing shaped to fit the eye-socket of the wearer, said rim having a colour filter permanently secured therein and means being provided on said rim for detachably securing a cover glass in front of the colour filter. As shown in Fig. 3, the eyepiece 5 is moulded of plastic material integral with a colour filter 3 and has a rim portion 2 having an internal groove 14 opened at the outer portion to form a slot 13. A cover glass 4 may be inserted into the groove through the slot and held in place by a spring 16. The rear edge of the housing of the eyepiece 5 may have a slot 12 into which is pressed a flange extruded of plastic material integral with a tube 8a forming a resilient cushion against the face of the wearer. A slot 6 permits attachment of the other eyepiece by means of a flexible strap. A triangular opening 19 for ventilation is closed by a perforated or lowered plate 21.
Patent GB-547480-A (GB)
Title: Improvements in hydraulically operated systems
IPC: B63H25/28
Filed: 1941-11-28
Abstract: 547,480. Hydraulic power transmission. ARMSTRONG, J. J. V. (Vickers, Inc.). Nov. 28, 1941, No. 15321. [Class 69 (ii)] A hydraulic power transmission device which is especially applicable for operating steering gear of ships is constructed with double acting rams 18, 20 connected by cable systems 14, 16 to rudders, e.g. the fore and aft rudders of a barge, and the supply of operating fluid from one of two pumps 26, 28 is led in the first place to a four-way reversing valve 48 having a neutral position in which the source of liquid is byepassed and each ram is hydraulically locked. In the neutral position of valve 48 a pipe 62 connects the liquid to a similar valve 66 and if this valve and a further valve 96 are in neutral position the liquid is byepassed to tank. All the valves are maintained in neutral position by springs and are capable of being moved to right or left by the pushing action of electromagnets 72, 74 ; 116 ; 120 and 118, 122. The energization of these is controlled by limit switches 128, 130 operated by a lever 162 and limit switches 146, 148 operated by a lever 172. A switch 136 is shown in a position in which the switches 130, 128 can operate the electromagnets 120, 116 and movement of lever 162 to the left closes switch 130 and energizes magnet 120 and moves the spool of valve 66 to the right and thus directs the pressure liquid to the top of the cylinder 22 causing depression of the piston 18 and counterclockwise movement of the rudder 10. The rudder moves so long as the lever 162 is moving but as the cable system operating the rudder moves the fulcrum of the lever 154 which actuates the switch 130 a follow-up action occurs which opens the switch 130 when the lever 162 is stationary. When the lever 162 is moved to the right the electromagnet 116 is energized and by movement of the valve 66 to the left the rudder 10 is moved in the opposite direction. The rudder 12 can be moved similarly in either direction by operation of the lever 172 which controls the valve 96. If the valve fails to operate the switch 136 is moved to put the electromagnets 74, 72 under control of the switches 130, 128 and the rudder 10 can be controlled by operation of the valve 48 by the electromagnets 74, 72. The valves 48, 66 are in series with respect to the liquid supply and return lines, and in parallel with respect to the liquid lines to the ram.
Patent GB-220749-A (GB)
Title: Improvements relating to the removal of ashes and the like from furnaces
IPC: F23J1/00
Filed: 1923-06-12
Abstract: 220,749. Underfeed Stoker Co., Ltd., and Robey, E. W. June 12, 1923. Water channels for conveying pulverulent materials.-In an ash-removal plant of the kind described in Specification 134,081, [Class 51 (i), Furnaces and kilns, Combustion apparatus of], in which the ashes from furnaces are discharged into a trough and washed into a sump by a current of water, the trough a is preferably provided with a pit a<1> to retain pieces of metal liable to injure the ash-lifting pumps and discharges targentially into a cylindrical pump d. One or both of the pumps g, h having their suction pipes arranged in the sump facing the swirling current discharge the water and ashes through a pipe i to one or more compartments of a bunker k having a false bottom composed of grids to retain the ashes. The water passing through the grids flows through a pipe m and is discharged at the head of the trough a. The ashes are discharged from the bunker through doors o into a truck p. Steam or other fluid jets may be discharged at the bunker opening to assist the discharge of ashes. Should the bunker become choked by fine ashes before the bunker is emptied, the water which accumulates may overflow through a pipe q the entrance to which is covered by a screen.
Patent GB-291039-A (GB)
Title: Improvements in refrigerating plants
IPC: F25B17/00
Filed: 1927-10-24
Abstract: 291,039. Aktieselskabet Amundsen Refrigerator Co., (Assignees of Amundsen, I.). Oct. 29, 1926, [Convention date]. Addition to 279,850. Refrigerating, absorption machines for. -The generator-absorber vessel 1 of a reversing absorption or adsorption system is heated bv steam at atmospheric pressure developed in a boiler 10 located below the vessel and filled from the cooling-water supply of the system at each absorption period. The steam condensed on the walls of the vessel flows back to the boiler. The invention is described as applied to the apparatus set forth in Specification 279,850, the absorbent or adsorbent material being contained within coaxial cylinders a, b, c over which the steam passes. The vessel 1 is open to the atmosphere at 19, so that a constant heating temperature is obtained. The cooling water may be siphoned from the condenser tank 17, as described in Specification 229,702, and fills the boiler 10 before flowing to waste through a trap 13, which acts as a seal during the heating period.
Patent GB-985702-A (GB)
Title: Gas turbine engine
IPC: F02C3/10
Filed: 1961-04-28
Abstract: 985,702. Gas turbine plant. BENDIX CORPORATION. April 28, 1961 [May 2, 1960], No. 15395/61. Headings FIG and F1T. A gas turbine engine comprising a compressor supplying combustion air to a combustion chamber feeding a turbine driving the compressor and a separate power turbine has means responsive to the speed of the power turbine for controlling means for varying the direction of gas flow to the power turbine blades. A gas turbine, Fig. 3, comprises a compressor 16 supplying combustion air to a combustion chamber 18 feeding a turbine 20 driving the compressor and a separate power turbine 24 which drives through a clutch 26 and transmission gearing 28, 30, 32, 34 a load shaft 36. Air enters the engine through a filter 38 and is discharged by the compressor through movable throttle vanes 44 into the combustion chamber 18. A governor 53 driven by the compressor-turbine shaft controls the fuel supply to the combustion chamber. The combustion products are discharged through an annular duct 56, plate member 57, throttle 58 and stator 60 to drive the turbine 20. The plate member 57, throttle 58 and stator 60, Fig. 4, are formed with arcuate slots 82, 84, 86. Rotation of the throttle 58 varies the registration of openings 84 with openings 82, 86 and so varies the area of flow to the compressor turbine 20. The throttle vanes 44, governor 53 and throttle 58 are manually controlled by a lever 68. The stator 62 of the power turbine 24 has a number of pivotally mounted guide vanes 90 which are connected by levers 92 and links for simultaneous rotation by a governor 96 driven by the power turbine 24. The arrangement is such that the angle of incidence of the gas flow on the rotor vanes increases with increase of power turbine speed. In another modification, Fig. 16 the stator blades are formed in two parts 154, 168 and 178, 184 one of which 168,184 is rotatable with respect to the other to vary the flow area and angle of incidence. To reduce the leakage around the compressorturbine blades, a ring 130, Fig. 12 is welded to the casing 134. To prevent distortion of this ring due to differential heating the result of the partial admission of the working fluid, the ring is split at 136 in the regions where the working fluid is not admitted. Specification 888,104 is referred to.
Patent GB-561244-A (GB)
Title: Improvements in or relating to the braking of vehicles
IPC: F16D65/78
Filed: 1942-11-05
Abstract: 561,244. Hydraulic brake systems. ARMANDIAS, L. S., and ASSOCIATEID MESSIER INVESTMENTS, Ltd. Nov. 5, 1942, No. 15640. [Class 103 (i)] A.hydraulic brake comprises a hollow friction element movable to engage a relatively rotatable friction element by hydraulic pressure and through which the pressure liquid circulates so as also to cool the hollow friction element. The system shown comprises a master cylinder arranged to operate a valve to throttle the flow of liquid circulated by a pump and thus to build-up pressure in the hollow friction element. In Fig. 1, hollow friction elements 11, 12 of, for example, stainless steel, are attached to a diaphragm 6 apertured at 27 and mounted on the axle 2 of a vehicle wheel 1 and are arranged to engage friction elements 13, 15 of a material of relatively low heat conductivity secured to discs 16, 17 of the wheel body. Pipes 18, 25 lead from the elements 11, 12 respectively to a pump 19 and to a regulator 31 which comprises a needle valve 37 carried by a piston 38 adapted to be moved against the action of a spring 39 to cause the valve 37 to enter an orifice 36 in a partition 42 within the casing 32. A collar 40 is slidable on the valve 37 against the action of a spring 41 which bears also on the piston. An accumulator 20 comprises a piston 22. dividing a compressed air chamber 24 from a chamber 23 connected to pipe 18. The piston 38 is operated by a master cylinder, the piston 49 of which carries a valve 54 normally unseated to establish communication between the reservoir 28 and pipe 46 through the annular chamber 50 and passage 52. Initial movement of the pedal 59 causes the valve 54 to close and also by connections not shown, engages a clutch whereby the pump 19 is driven by the driving motor of the vehicle so that liquid is circulated from the' reservoir 28 through pipe 18, the friction elements 11, 12, pipe 25, the orifice 36 and back to the reservoir. Upon further movement of the master piston 49, the needle 37 is moved by the piston 38 to throttle the orifice 36, whereby pressure builds up-in the elements 11, 12 to apply the brake and also in the accumulator 20, the liquid and thus the brake being cooled by a radiator 26. Upon sufficient increase of the pressure applied to the piston 38 by the master cylinder, the collar 40 seats on the partition 42 and the brake may thus be held applied when the'vehicle has been stopped, by reason of the position of a non-return valve 61. In a modification, Fig. 2, the pump 62 is driven by a gear-wheel 64 which is engaged with a crown wheel '63 on the wheel 1 by the initial movement of the pedal by connections not shown. The pipes 65, 66 which connect the pump to the friction elements 11, 12, the regulator and the reservoir 28 are arranged as shown. A brake is also shown in which the friction elements comprise a pair of annular pistons in cylinders arranged one on each side of the wheel coaxial with the axle, the inlet and outlet pipes and baffles being so disposed as to cause the liquid to circulate circumferentially in the cylinders.
Patent GB-700615-A (GB)
Title: Improvements in or relating to duct corners or angle pieces for gaseous fluid flow systems
Inventor: DIMMOCK NORMAN ALBERT
IPC: F15D1/04
Filed: 1950-06-22
Abstract: 700,615. Pipe bends. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. June 13, 1951 [June 22, 1950], No. 15655/50. Class 99 (1). A pipe bend comprises a pair of straight sections X, Y joined along an inclined plane F, F<SP>1</SP> and has a series of baffles or thin-plate vanes V<SP>1</SP>-V<SP>n</SP> spaced in arithmetical progression along the junction plane. The vanes are similar in chord and approximately parabolic, and have a camber angle greater than the inside corner wall F and define relative to the rounded corner F a passage which is convergent in the direction of flow. The vane edges are inclined towards the inside of the sections X, Y, the inclination of the leading edge to the section X being less than that of the trailing edge to the section Y. The bend may be made up by bending a flat strip G round the junction, the outside rounded corner F' being omitted. Formulae are given to determine the chord, number and spacing of the vanes, and other preferred dimensions are described.