baber/WOPTO huggingface dataset:
Patent GB-2230842-A (GB)
Title: Electrically operated valve and process for the assembly thereof
Inventor: LEPINE MICHEL
IPC: F16K11/044
Filed: 1990-03-05
Abstract: An electrically operated valve comprises an electromagnet (14) with a plunger core (12), a free valve member (3) displaceable in a cavity (13) between two oppositely disposed seats (4,5), and a thrust means (33) which may or may not be fixed with respect to the plunger core (12) for actuating the valve member (3) which is also subjected to the force of a spring (15). The first seat (4) is positioned by means of a tool with respect to an abutment surface (38) for the plunger core (12) before the valve member (3) is set in position. The second seat (5) is formed in a closure portion (20) which is progressively driven into position in the assembly operation, while the variation in pressure and/or flow rate of a fluid supplying the valve is observed. The present valve makes it possible to carry out an automated and reliable adjustment process and permits production of its component parts with relatively wide dimensional tolerances. <IMAGE>
Patent GB-2232605-A (GB)
Title: Golf club shafts
Inventor: FENTON FRANK
IPC: A63B53/12
Filed: 1990-04-09
Abstract: A steel golf club shaft formed in a generally cylindrical configuration with a tip end (42) and a butt end (18), the shaft having a central aperture extending axially the entire length thereof, has e.g. three sets of steps (20, 26, 32) continuously decreasing in diameter externally and internally from the butt end to the tip end, the steps of the central set (26) being spaced from each other by a distance greater than the distance between the steps of the other sets, the end regions (18, 42) each being unstepped and of uniform external diameter. Also disclosed are matched sets of clubs, woods and irons, employing such shafts. <IMAGE>
Patent GB-2250037-A (GB)
Title: Screwed ground anchor
Inventor: WOOLLASTON BERNARD FRANCIS
IPC: E02D5/80
Filed: 1990-07-30
Abstract: The screw post consists of a two to three ft. twisted steel spike attached to a round sleeve. The screw post may also be fitted with a stabilising ground level flange. The screw post above ground can be fitted with a number of tops; square, round, threaded and a general purpose flat plate with raised studs or tapped holes. The screw post can be turned into the ground by hand or screwed in by power tool or by use of a key or machine plate. <IMAGE>
Patent GB-2235706-A (GB)
Title: Spreader for tubular textiles
Inventor: STRUDEL WERNER
IPC: D06C5/00
Filed: 1990-08-15
Abstract: In a circular spreader (1) for tubular textile goods, tubular fabric (5) is passed over pivotally mounted and expandible and collapsible support arms (11). When the support arms (11) are being spread out, air under pressure is injected into the interior (23) of the spreader by a device 6 to avoid formation of a vacuum, so that the spreading operation can take place without difficulty and without damage to the fabric. The device 6 comprises an air nozzle 19 arranged at the forward end of a piston rod 18 connected to a piston displaceable inside an air cylinder 12. The rod 18 is retracted as the fabric is spread out (see Figure 2). The air may be introduced from other positions than that shown. <IMAGE>
Patent GB-2238102-A (GB)
Title: Propulsion system for a boat propeller
Inventor: ADAMS WERNER
IPC: B63H23/08
Filed: 1990-11-06
Abstract: A propulsion system for a boat propeller with an engine M and with a reversing mechanism, has for forward travel a hydrodynamic coupling 1 and for reverse travel a hydrodynamic reversing torque converter 2. In the upper propeller speed range, the coupling 1 is operated at its maximum degree of filling and on the other hand, in the lower propeller speed range, with partial filling. Thus, for the entire forward speed range, solely the hydrodynamic coupling 115 provided as a single hydrodynamic power transmission unit. In order that the boat can be slowed down quickly from full speed, the reversing converter 2 is constructed so that it has a high torque conversion in the counter-braking range. <IMAGE>
Patent GB-2251506-A (GB)
Title: Leak detector
Inventor: STAGG LESLIE WILLIAM
IPC: G01M3/38
Filed: 1990-12-14
Abstract: An apparatus for detecting leaks in a fluid flow system has a fluid flow detector, Figs 2 and 3, not shown, and means for indicating when fluid flows uninterrupted for longer than a predetermined period. The fluid flow detector has a first module (35) capable of indicating when the fluid flow rate exceeds a first predetermined threshold. It also has a second module (37) capable of indicating when the fluid flow rate exceeds a second predetermined threshold. The first module consists of a light source 53 and detector 55, the light beam between which is interrupted by a ball float (49) when the flow rate exceeds the first threshold. The second module consists of a reed switch 81 which is opened when a cylindrical float (67) with a magnet (73) is raised when the flow rate exceeds the second threshold. The reed switch is in series with the light source which is pulse energized. <IMAGE>
Patent GB-2252365-A (GB)
Title: Flow control of positive displacement pumps
Inventor: CROWCROFT PETER LESTER
IPC: F04C13/00
Filed: 1991-02-02
Abstract: A system for the precision pumping and metering of liquids with a non-pulsating accuracy better than 0.1%, using pumps of inherently low accuracy without flowmeter control. The flow rate is controlled by a positive displacement pump to the inlet of which is applied a pressure (e.g. from another pump or by liquid from a storage vessel subject to air or gas pressure) so that the pressure drop across the p.d. pump approaches zero. The system is particularly valuable for low and variable viscosity liquids.
Patent GB-2241981-A (GB)
Title: Vehicle door lock device
Inventor: HAMADA YOSHIKAZU
IPC: E05B83/36
Filed: 1991-02-20
Abstract: A synthetic plastics body 1 contains a door latch and a lock lever 20 is journalled between a back plate 2 and the body in order to changeover the lock device between its locked condition and unlocked condition. A synthetic plastics actuator box 3 containing a mechanism for electric power changeover of the lock lever 20 is placed below the body 1. A switch box 6 is formed at a rear side of the box 3 and a switch mechanism is contained in the switch box. A rotatable shaft 12 of the switch protrudes rearward through the switch box 6 and a switch arm 13 is secured thereto. One end 23 of a connecting lever 16 is connected to the switch arm 13 and the other end is connected to the key cylinder of a door or the lock lever 20. The switch is electrically connected to the lock devices of other doors, functions co-operatively with the motion of the key cylinder or lock lever 20, and sends out a control signal for changing-over the lock devices of other doors. <IMAGE>
Patent GB-2241347-A (GB)
Title: Image forming apparatus with anti-banding implementation
Inventor: BANNAI KAZUNORI
IPC: H04N1/12
Filed: 1991-02-21
Abstract: An electrophotographic copier using a laser beam and a rotary polygonal mirror produces high quality images free from banding by correcting for the irregular configuration of the polygonal mirror, the variation in the moving speed of a photoconductive element, and the variation in the position where a laser beam is incident due to mechanical vibrations, etc. <IMAGE>
Patent GB-2253245-A (GB)
Title: Control means for a pump
Inventor: FOSTER BRIAN PAUL
IPC: F04D15/00
Filed: 1991-02-28
Abstract: Temperature sensors 24, 26, 32 for a non-positive displacement pump 14 control the operation of the pump in dependence upon variation of a pump temperature or a pump outlet temperature. Thus, the pump can be energised when demand requires it and allowed to run until a temperature variation indicates that the pump is no longer required to operate in the manner of its instant operating condition. In addition, or as an alternative, control means 34, 36, 32 control the operation of a pump 14, 16 in dependence upon the absorbed motor power of that pump or another pump. Thus a first pump can be caused to operate at a faster rate or can be assisted by a second pump if the output power of that first pump indicates that this is necessary or desirable. <IMAGE>
Patent GB-2244608-A (GB)
Title: High frequency drive circuit for a fluorescent lamp
Inventor: HO JOSEPH KWOK PUN
IPC: H05B41/392
Filed: 1991-03-13
Abstract: A DC-DC converter 12 is responsive to detected lamp current and prior to lamp striking provides an increased output voltage applied to a voltage controlled oscillator 14 so that an inverter 16 controlled by oscillator 14 initially operates at high frequency to provide a high voltage for striking the lamp. After striking, the inverter 16 operates in a lower frequency range and lamp current is regulated by comparing sensed lamp current with an adjustable reference set by a dimming control resistor VR1, the comparison controlling pulse width modulation of a transistor Q1 in converter 12 to vary the voltage applied to VCO 14 and thus the operating frequency of inverter 16. VCO14 provides narrow negative pulses to switch off FET's Q2 and Q5 alternately in inverter 16. Q2 and Q5 are switched on and off while their drain voltage is at ground potential to reduce switching losses. To limit peak lamp current immediately after lamp striking, a control circuit (Q13), (Fig. 2), responsive to excess current temporarily turns off the converter 12 and causes the inverter switches Q2, Q5 to operate in a linear, rather than saturated mode whereby the voltage applied to the lamp is reduced. This control circuit also provides short circuit protection. <IMAGE>
Patent GB-2244314-A (GB)
Title: Brake pressure control arrangement
Inventor: BURGDORF JOCHEN
IPC: B60T8/42
Filed: 1991-03-22
Abstract: A brake pressure control arrangement for automotive vehicles with both anti-locking control (ABS) and traction slip control (ASR) comprises a pressure fluid pump (5), an inlet valve (3), an outlet valve (4) and a pressure fluid accumulator (6) disposed between the outlet valve and the intake side of the pump, the accumulator having an expansion chamber (28) which during the anti-locking control mode acts as a pressure relief means, and moreover, the accumulator having control edges (32, 33) which respectively separate the circuit from the master cylinder and connect the chamber (28) to the pump. A throttling effect at the intake of the pump is thereby effected. A closed circuit is attained in all phases of the anti-locking control mode and, during the phase of pressure decrease of the anti-locking mode, a very rapid pressure decrease in the wheel cylinder is achieved. <IMAGE>
Patent GB-2254298-A (GB)
Title: Bicycle transmission mechanism
Inventor: CHANG HSING-YIN
IPC: B62M17/00
Filed: 1991-04-02
Abstract: The transmission mechanism comprises a transmission shaft 11 received inside a protective sleeve 10, which is connected between the bottom bracket bearing axle and the rear wheel hub 19 of a bicycle. The bicycle is driven by foot pedals through the transmission mechanism to propel the rear wheel of said bicycle to rotate. The transmission shaft may have a pair of universal joints to absorb shock waves. <IMAGE>
Patent GB-2260109-A (GB)
Title: A fuel tank support arrangement
Inventor: FITZGERALD ANTHONY ALAN
IPC: B60K15/067
Filed: 1991-10-05
Abstract: In order to prevent the bottom of a fuel tank 14a from bowing outwards when the internal pressure in the tank rises, the strap 22a which passes underneath the tank has a cross-sectional shape, such as a top-hat cross-section, which is stiff in bending. Part of the cross section of the strap is housed in a recess 36 in the bottom of the tank. The top-hat section resists outward bowing of the tank floor. <IMAGE>
Patent GB-2253046-A (GB)
Title: Projection-type vehicle headlamp
Inventor: SATO MASAKAZU
IPC: F21S8/10
Filed: 1992-01-27
Abstract: A projection-type vehicular headlamp, which is free from the difficulty of an unwanted light beam being formed by an inclined front lens 18 and cover 40 provided in the lamp body 10, comprises a light projecting unit including a substantially ellipsoidal mirror 22 in which a light source 24 is fitted, and a projecting lens 27 arranged in front of the light source for converting the output light beam of the light source reflected from the mirror into a substantially parallel light beam advancing forwardly of the headlamp and mounted in a lamp chamber formed by a lamp body and front lens 18, the lens surface of the front lens being inclined strongly rearward. A cover 40 coated with a light reflecting film surrounds the front portion of the light projecting unit, the cover having a lower edge portion extending forward into a front extension. A light diffusing region 44 is formed at least in the front end portion of the front extension of the cover 40. <IMAGE>
Patent GB-2255408-A (GB)
Title: Ultrasonic melt probe with built-in reflector
Inventor: LEE STEPHEN JOHN
IPC: G10K11/00
Filed: 1992-04-07
Abstract: An ultrasonic probe 1 is inserted into a vessel 3 containing, e.g. molten steel 4, to detect occlusions within the sensing volume defined by the built-in replaceable alumina graphic reflector tip 11. Energy from transducer 8 is reflected in to the view of probe tip 6 by angled surface 13 so that signals scattered by flaws may be detected by cooled mild steel waveguide rod 5. Surface 12 allows measurement of attenuation in the direct return path to probe tip 6. <IMAGE>
Patent GB-2265913-A (GB)
Title: Warp knitted fabric
Inventor: WHATMOUGH NIGEL
IPC: D04B21/18
Filed: 1992-04-10
Abstract: A warp knitted satin fabric includes a back group of elastomeric yarns (10) knitted to form separate wales of pillar stitches and a front group of non-elastomeric yarns (12) each of which is knitted in with a pair of said wales of pillar stitches, the pair being spaced apart by at least one intermediate wale to form floats of non-elastomeric yarn on the front surface of the fabric which extend over said at least one intermediate wale. The non-elastomeric yarn may be a lustre, eg trilobal, yarn. It may float across one, two or three wales. The fabric may be heat-set. <IMAGE>
Patent GB-2258110-A (GB)
Title: Fmcw radar and display
Inventor: TUCKER STEVEN PAUL
IPC: G01S13/02
Filed: 1992-05-06
Abstract: A FMCW over-the-horizon radar is agile in terms of the carrier frequency or modulation rate. Returns are heterodyned with the transmitted signal to produce a beat signal which is processed to provide range and velocity information which is displayed. The display comprises a number of bands 3, 4, 5 6, one for each azimuth value, height within each band indicating range and horizontal position indicating velocity. For any carrier frequency end modulation rate, the range and velocity are ambiguous. the bands 3, 4, 5, ..., 6 are longer than the velocity ambiguity, and hence a plurality of points (not shown) within each band are indicated. As the carrier frequency and/or modulation rate vary, only one point 10 remains the same; this is the 'correct' value, and will be the only one soon duo to the way the eye averages things out. Each point actually comprises a group of points 10 due to the presence of a number of possible return paths through the E and F layers of the ionosphere. The orientation and position of the group on the display may be matched with a cursor template to classify the returns and predict the future position of the target. A portion of the display (20, fig 4) may be magnified and displayed separately (19, fig 4). Signal amplitude (22, fig 4) and target information (23, fig 4) may also be displayed. <IMAGE>
Patent GB-2259068-A (GB)
Title: Escalator apparatus and method of operation
Inventor: OJIMA KAZUHIRA
IPC: B66B31/00
Filed: 1992-08-03
Abstract: The apparatus has a plurality of step boards 8F, 9F of adjacent steps 8, g movable upwardly and downwardly so that a horizontal surface is provided to carry a wheelchair 10 or handcart. As shown, step boards 8F and 9F are supported through parallel linkages 14, 15 on bases 12, 15 and boards 8F, 9F and fixed board 7F are coupled by coupling mechanisms 18 comprising fixing hooks 20A - 22B operable by a rack. Other mechanisms for raising/lowering one or more step boards are illustrated and described (see Figures 9-11, 12). <IMAGE>
Patent GB-2272620-A (GB)
Title: Trolling rig for pike fishing
Inventor: KIRBY ROY
IPC: A01K91/08
Filed: 1992-11-06
Abstract: A rig for use in pike fishing comprises a first line which passes through tube 7 and then through releasable loop 3 to have a bait attached at the end for trolling. A further line of 4lbs or less breaking strain is attached to swivel I and connects a weight. If the weight should snag the further line breaks to discard the weight and save the rig. <IMAGE>
Patent GB-2263805-A (GB)
Title: Fusible sign support.
Inventor: GUELI CARMEN
IPC: A62C37/12
Filed: 1992-11-26
Abstract: A fusible sign support has a hanger 22 adapted for connection to an overhead support 18 and a bracket 38 adapted for connection to a sign. The hanger and the bracket are secured to one another by a fusible, eutectic bonding material 42 which liquefies at a selected, elevated temperature. When the bonding material liquefies the hanger and bracket separate enabling the sign to fall. The construction makes possible removal of a sign from the path of water emitted from a fire sprinkler head (16, Figure 1). The liquefication of the bonding material occurs at a temperature lower than that at which the sprinkler head is activated. A suitable eutectic bonding material is composed of an alloy of lead, bismuth and indium. <IMAGE>
Patent GB-2274071-A (GB)
Title: Catalyst pack
Inventor: HEYWOOD ALAN EDWARD
IPC: C01B21/26
Filed: 1993-01-06
Abstract: A catalyst pack (10) in which a quantity of a relatively expensive material such as platinum is replaced by a greater quantity of a relatively inexpensive material such as palladium in the upstream region of the pack. As shown, palladium gauges 16 are interleaved with gauges 12, 12' in the upstream region. <IMAGE>
Patent GB-2263639-A (GB)
Title: Substituted pyrimidinones as neurotensin antagonists
Inventor: CHAKRAVARTY PRASUN K
IPC: A61K31/505
Filed: 1993-01-20
Abstract: Treating disease states mediated by neurotensin by administering to a patient in need of treatment of a therapeutically effective amount of a neurotensin antagonist useful for treating certain GI and CNS disorders which is a substituted pyrimidinone of structural formula I as disclosed in EP-041 9048-A2. <IMAGE>
Patent GB-2264329-A (GB)
Title: Seat belt buckle means
Inventor: KOPETZKY ROBERT
IPC: A44B11/25
Filed: 1993-02-18
Abstract: Figure 2(a) shows a large downward acceleration acting upon a buckle device 10, causing an upward inertia force F1 to act upon the gravitational center G of an inertia member 15 which is therefore rotated about a second support boss 17 so that a movement inhibiting part 15a abuts against the side wall of a second projected part 12b. In this condition, when a large upward deceleration acts upon the buckle device 10, (See Fig 2(b)), large downward inertia forces F2, F3 act upon the gravitation center of an actuating member 12 and the gravitational center G of the inertia member, and accordingly, the actuating member 12 and the inertia member 15 are moved downward. When the upper end of a first hole 15c abuts against a first support boss 16, the inertia member 15 is inhibited from further moving downward, and when a step part 12C abuts against the upper end the movement inhibiting part 15a, the actuating member 12 is inhibited from further moving downward, by means of the inertia member, thereby the actuating member 12 will not move to the release position. <IMAGE>
Patent GB-2277155-A (GB)
Title: Assessing corrosivity of water-containing liquids
Inventor: MISTRY HASMUKH SUKHABHAI
IPC: G01N17/02
Filed: 1993-04-06
Abstract: A method is described for the assessment of corrosivity of water-containing liquid by potentiometric means in an electrochemical cell 1 comprising a working electrode of a chosen material, a counter (auxiliary) electrode 10 and a reference electrode, 9, and in which the water-containing liquid 8 is the electrolyte. The working electrode has an electrolyte-contacting surface of sufficient and controlled roughness that reproducibility of results from one working electrode to another working electrode of similar controlled roughness and material may be obtained and thereby that comparability of results between working electrodes of similar controlled roughness, but of different materials, may be achieved. Preferably the working electrode comprises a sheet of metal having an electrolyte-contacting surface and an electrical-contact-making surface, the sheet being held in a holder arranged to permit access of electrolyte to the electrolyte contacting surface but to prevent access of electrolyte to the electrical-contact-making surface. <IMAGE>
Patent GB-2267785-A (GB)
Title: Transfer of electric current by electric arcing in Electromagnetic Rail        Launchers.
Inventor: JAMES TREVOR EVANS
IPC: F42B6/00
Filed: 1993-04-07
Abstract: The armature comprises electrically conducting regions 10 and 12 with members 17 and 19 of insulating or high resistivity materials positioned immediately behind and in front of the armature conducting regions and in close contact with or in close proximity to the current contact surfaces 16 of the rails. Electric current is constrained to flow from the rails to and from the armature by electric arcing directly across the arcing regions 10 at the rail/armature conducting region interfaces. The resulting electromagnetic forces on the armature accelerate it and any attached projectile along the rails in the forward direction 27. Arcing erosion products are exhausted to chambers 23 and 25 as indicated by arrows 21 and 22. <IMAGE>
Patent GB-2266320-A (GB)
Title: Can arrangement on the feed side of spinning machines
Inventor: LAMPRECHT IGOR
IPC: D01H9/18
Filed: 1993-04-08
Abstract: In an apparatus for conveying cans on the feed side of spinning machines, for example drawing frames (7), the feed side comprises means for transferring full cans from a ready position (18 or 21) into a working position (19 or 22) to supply the machine, and processed empty cans from the working position into a transporting-away position (20 or 23), the ready position (18 or 21) and the transporting- away position (20 or 23) being in each case arranged on the same side in relation to the working position (19 or 22). Transfer between the positions may be effected by a turnstile-like device. A plurality of transfer stations, each comprising a set of three positions, may be arranged in one row or in two parallel or inclined rows or in a U-shape and may include a buffer feeding arrangement. <IMAGE>
Patent GB-2270808-A (GB)
Title: Electronic ballast for a discharge lamp
Inventor: VON HERTZEN KARI
IPC: H05B41/282
Filed: 1993-08-31
Abstract: The ballast has a self-oscillating half-bridge inverter with alternately conductive MOSFET's V1, V2 having respective functionally independent control circuits which have no data transmission link therebetween. Each MOSFET V1 or V2 is turned on when a certain voltage prevails thereacross, and is turned off by a respective transistor V3 or V4 which turns on when the current through the respective MOSFET V1 or V2 and current sensing resistor R1 or R2 rises to a predetermined threshold level. As the MOSFET V1 or V2 turns off its drain voltage rises, whereby V3 or V4 receives more base current via C1 or C2; this positive feedback results in rapid turn off of V1 or V2. The turn-off threshold current level and the turn-on voltage level can be adjusted by adjusting a control voltage Uohj, thereby varying the power of lamp DL. During lamp starting, a secondary winding Lt of an inductor Le, in series with the lamp DL, is short-circuited by a switch V9, V10 so that the inverter then operates at a higher frequency. <IMAGE>