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1 / 513,574
1.WO/1992/019915COMBUSTION CHAMBER ASSEMBLY IN A GAS TURBINE ENGINE
WO - 12.11.1992
Int.Class F23R 3/10
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
RGENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
3Continuous combustion chambers using liquid or gaseous fuel
02characterised by the air-flow or gas-flow configuration
04Air inlet arrangements
10for primary air
 Appl.No PCT/GB1992/000745 Applicant ROLLS-ROYCE PLC Inventor BURNELL, Anthony, David
Overrich regions of fuel mixture in the combustion chamber of a gas turbine engine are dispersed by a jet of air directed into the region. Plumes of fuel/air mixture from adjacent airspray burners overlap to create overrich regions which tend to produce soot. Aligned apertures (20) in the head of the combustion chamber direct jets of high pressure air at the regions with as little loss of momentum as possible, to disperse them. The apertures (20) may be in the form of slots to provide fan-shaped jets.
2.WO/1992/021625PROCESS FOR MANUFACTURING PREFORMS
WO - 10.12.1992
Int.Class C03B 23/047
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
23Re-forming shaped glass
04Re-forming tubes or rods
047by drawing
 Appl.No PCT/EP1992/000938 Applicant HERAEUS QUARZGLAS GMBH Inventor LEBER, Helmut
In order to improve a process for manufacturing rod-like preforms (12), in particular for optical fibres, according to which a tubular base body (1) having in the radial direction a varying index of refraction is introduced in a heating zone (4), is softened therein and is formed into a preform (12) in the softened state, a process is disclosed for manufacturing high purity, defect-free preforms (12). For that purpose, a base body is used whose index of refraction, seen in the radial direction, decreases inwardly from at least one interface sufficiently spaced from the outer surface of the base body (1), the zone softened in the heating zone (4) is turned inwardly up to an outer skin (2), and the preform (12) is formed in the longitudinal axis of the tubular base body, in the opposite direction to its direction of transport into the heating zone (4). The remaining outer skin (2) is drawn in the shape of a rod (11) in the direction of transport of the base body.
3.WO/1998/006335METHOD FOR OBTAINING BIOLOGICAL DIAGNOSTIC MATERIAL, SCOOP FOR COLLECTING SAMPLES AND SPATULA FOR REMOVING SAID SAMPLES
WO - 19.02.1998
Int.Class A61B 10/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
10Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
 Appl.No PCT/RU1997/000222 Applicant BOKAREV, Sergei Fedorovich Inventor BOKAREV, Sergei Fedorovich
The present invention relates to a method for collecting biological diagnostic material, wherein separated samples of effluents (9) and epithelial tissue (8) may be collected by the single working travel of a scoop. The scoop for collecting biological diagnostic material is made in the shape of a longitudinally elongated rod (1) having a head (3) that comprises two recesses (4, 5) defining working edges (6, 7). The working edges (6, 7) will cause the effluents (9) from the epithelial tissue (8) to deposit into one of said recesses (4), while the scrapped fragments of said tissue will deposit into the other recess. The scoop is provided with spatulas for removing the biological diagnostic material, wherein said spatulas are made in the shape of a plate (13) extending along a longitudinal axis OO'. This plate has a variable cross-section that progressively decreases from the distal end (14) towards the proximal end (15).
4.WO/1992/010634DOOR CONSTRUCTION AND KIT THEREFOR
WO - 25.06.1992
Int.Class E06B 3/58
EFIXED CONSTRUCTIONS
06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
3Window sashes, door leaves, or like elements for closing openings; Layout of fixed or moving closures, e.g. windows; Features of rigidly-mounted outer frames relating to the mounting of wing frames
54Fixing of glass panes or like plates
58by means of borders, cleats, or the like
 Appl.No PCT/GB1991/002227 Applicant DURAFLEX LIMITED Inventor
A door infill panel (3) comprises apertured panel portions (7, 8) which, in use, are arranged with their apertures (19, 20) in register so as to form an opening and which, in use, cooperate to retain a glazing unit (21) in place in the opening so formed. The panel portions (7, 8) are of laminate construction, and may comprise an insulating layer (9, 10) and a reinforcing layer (11, 12), the reinforcing layers, in use, preferably being arranged such that they are in contact with each other.
5.WO/1992/010253SOCCER PLAYING FIGURE AND METHOD OF MANUFACTURE
WO - 25.06.1992
Int.Class A63F 7/06
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
FCARD, BOARD OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
7Indoor games using small moving playing bodies, e.g. balls, discs or blocks
06Games simulating outdoor ball games, e.g. hockey
 Appl.No PCT/US1991/009202 Applicant McCLOUD, Calvin, Edward Inventor McCLOUD, Calvin, Edward
An integrally molded table soccer playing figure (18) has an elongated body with a head (51) and foot portion (53) disposed at its opposite ends. A cylindrical passage (54) axially extends laterally through an upper portion of the body and is adapted to coaxially receive a longitudinal portion of an actuating rod (13) that is used to translate and rotate the playing figure. The body passage is diametrically sized to create a press-fit between the body portion and the rod portion therein, and the body is mechanically locked to the rod by a small roll pin (55). Washer portions (82, 84) are provided on opposite lateral sides of the body for shock absorption. A molding passage (80) in the foot portion and elongated recesses (90) in the opposite front and rear sides of the body serve to eliminate undesirable molding distortion. Contoured surfaces (63, 64) on the rear and front foot portions enhance the ball handling characteristics.
6.WO/1992/012555DELAY DISTORTION COMPENSATING CIRCUIT FOR OPTICAL TRANSMISSION SYSTEM
WO - 23.07.1992
Int.Class H04B 10/18
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
12Transmission through light guides, e.g. optical fibres
18Arrangements for reducing or eliminating distortion or dispersion, e.g. equalisers
 Appl.No PCT/US1991/009694 Applicant SYNCHRONOUS COMMUNICATION, INC. Inventor GYSEL, Hermann
A delay distortion compensating circuit (52) for a laser driven optical transmission system (50) comprises a varactor network (70, 80) for producing a time shift of the instantaneous amplitude of the modulation signal (60) applied to the laser (53) that is inverse to the time shift caused by chromatic dispersion of a fiber optic cable (54) used for propagating the output of the laser (53) and laser chirp so that the sum of the two time shifts is substantially equal to a constant. In one embodiment the cathode of the varactor diode (C1) is coupled to a center tap of an inductor (L1) called a first order delay equalizer, the terminals (MOD. SIG IN, idiode) of which are connected to a source of a modulating signal (51) and the laser (53). A d-c bias is applied to the varactor (C1) by means of a choke (L2). In another embodiment called a low pass structure (80), a modulating signal is coupled to the laser (53) through an inductor (L10) and a parallel combination of a discrete capacitor (Cx) and a varactor diode (C11) is coupled between ground and a node located between the inductor (L10) and the laser (53). D-c bias is provided to the varactor (C11) by means of a resistor (R2).
7.WO/1992/013158A CONSTRAINT DEVICE FOR PARTS OF VIADUCTS AND THE LIKE
WO - 06.08.1992
Int.Class E01D 19/00
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
DBRIDGES
19Details of bridges
 Appl.No PCT/EP1992/000005 Applicant SILAR S.R.L. Inventor MARNETTO, Roberto
A constraint device (1), adapted for interposition between parts of works, e.g. between two girder members (12, 16) of a viaduct to hold them securely together on the occurrence of such sharp movements as may be brought about by earthquakes, and allow of slow relative movements, as due to thermal expansion, which device has shown to be uncommonly reliable, comprises a cylinder-piston unit (2) having a cylinder (3) wherein a piston (7) defines two oppositely located working chambers (24, 25), a conduit (26) between the chambers (24, 25) provided with a throttle (27), and a gas accumulator (34) formed in the piston (7) and being communicated to one chamber (25) through a passageway (32) provided with a throttle (33).
8.WO/1992/019013POWER SEMICONDUCTOR PACKAGING
WO - 29.10.1992
Int.Class H01L 23/467
HELECTRICITY
01ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H1060
23Details of semiconductor or other solid state devices
34Arrangements for cooling, heating, ventilating or temperature compensation
46involving the transfer of heat by flowing fluids
467by flowing gases, e.g. air
 Appl.No PCT/US1992/003164 Applicant IVERSEN, Arthur Inventor IVERSEN, Arthur
An electrical converter (10) including respective positively and negatively biased, generally cylindrical collective electrodes (12, 14), an output electrode (15, 16, 17) electrically isolated therefrom, and at least one power semi-conductor device (24) being mechanically and electrically attached to a flat portion (46, 47, 49, 51, 53, 55) on each of said positively and negatively biased collective electrodes (12, 14). A drive circuit (26) is configured to alternately activate the devices mounted on the positively biased electrode while turning off the devices mounted on the negatively biased electrode, then reversing the process to generate an alternating current to the output electrode (15, 16, 17). To enhance the rate of removal of thermal energy from the devices, each of the positively and negatively biased electrodes (12, 14) includes an internal coolant conduit (32) with concavely curved surfaces (37) in close proximity to the flats upon which the devices are mounted, the conduit (32) having a width (162) at least as great as that of the devices.
9.WO/1992/019900PLASTIC TUBE
WO - 12.11.1992
Int.Class B29C 47/00
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
47Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
 Appl.No PCT/HU1992/000017 Applicant PEST-MEGYEI MÜANYAGIPARI VÁLLALAT Inventor LÉDERER, András
A plastic tube, in particular for transporting hot water in heating systems, is characterized in that its inner wall (2) is provided with staggered or continuous, preferably spiral ribs (3), that are in particular produced by extrusion moulding.
10.WO/1993/002323ENVIRONMENTAL CONTROL IN A CONFINED WORKPLACE
WO - 04.02.1993
Int.Class F24F 3/044
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
3Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
044Systems in which all treatment is given in the central station, i.e. all-air systems
 Appl.No PCT/US1992/005932 Applicant PROFESSIONAL SUPPLY, INC. Inventor KISER, Thomas, E.
In an industrial building (10) housing a production operation (28) utilizing a liquid material exposed to the atmosphere, a relationship is maintained between the plant atmosphere and the liquid material (38) whereby the atmosphere is not receptive to vaporized or atomized portions of the liquid. The building (10) is maintained under a slight positive pressure throughout to prevent random and uncontrolled infiltration of outside atmosphere. The temperature and relative humidity of the building atmosphere and the temperature of the liquid (32) closely monitored and maintained at levels relative to one another which assure that the building atmosphere is not receptive to evaporated or atomized liquid. Air handling units (23) for supplying conditioned air to the building interior include heat exchangers (79) and evaporators (80) for regulating the wet bulb and dry bulb temperatures of the air being admitted to the building interior, and thus the temperature and relative humidity of the atmosphere within the building. The liquid material (38) recirculates through an exchanger (43) for removal of accumulated heat as necessary to maintain it at a temperature relative to the dry bulb/wet bulb temperatures of the building atmosphere below that at which it would tend to migrate by vaporization or atomization into the building atmosphere.
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