Abstract: A nozzle for a jet engine generally includes a nozzle rim and a bendable duct for communicating an exhaust flow generated by the engine to the nozzle rim. A gimbal joint pivotably couples the nozzle rim to supporting structure. The gimbal joint allows the nozzle rim to be pivoted about a first axis and a second axis, thereby allowing changes to the vector at which the exhaust flow is discharged from the nozzle rim.

Abstract: A propulsion system including an extinguishable rocket motor and an incorporated maneuver control system. The rocket motor may be of the solid fuel type. One or more proportional axial thrust valves in communication with a pressure vessel or motor case containing a solid fuel propellant may be used to release combustion products for creating axial thrust. A plurality of proportional maneuver control valves in communication with the pressure vessel and having associated maneuver control thrusters may be selectively actuated in different modes of operation to provide control of pitch, yaw and roll. Fully opening all valves in communication with the pressure vessel may be used to cause rapid depressurization to extinguish the propellant. Reignition of the rocket motor may be effected upon repressurization of the pressure vessel through closing at least some of the valves. Ignition grains may be employed to shorten reignition time, and multiple propellant grains may be provided for multiple pulses.

Abstract: The present invention is directed toward a coolant system and method for fabricating a coolant system for actively cooling high performance components utilizing a plurality of feed channels that receive coolant from a manifold through coolant feed tubes and supply coolant to a liner that contains a plurality of coolant channels, each feed channel intersecting and distributing coolant to multiple coolant channels, wherein each coolant channel receives coolant from multiple feed channels.

Abstract: A method of controlling emissions from an internal combustion engine including governing engine speed with respect to a constant speed, maintaining an air/fuel ratio of the engine, flowing exhaust from the engine through an exhaust system containing a catalyst, monitoring a variable with a feedback sensor located upstream of the catalyst, and controlling the air/fuel ratio of the engine as a function of the variable. In one application, the engine is configured for marine applications, including electric power generation and propulsion.

Abstract: An air-fuel ratio control apparatus of an internal combustion engine includes: an exhaust gas purifying catalyst disposed in an exhaust passage of the internal combustion engine; fuel cutting means for cutting fuel to be supplied to the internal combustion engine at the time of deceleration of the internal combustion engine; and catalyst degradation suppressing means for suppressing degradation of the exhaust gas purifying catalyst by prohibiting operation of the fuel cutting means when it is determined that the degradation of the exhaust gas purifying catalyst advances, wherein the catalyst degradation suppressing means sets an operation permitting period, during which the operation of the fuel cutting means is permitted after completion of a fuel quantity increasing operation of the internal combustion engine.

Abstract: Noxious emissions present in the exhaust gases of an internal-combustion engine of a motor vehicle are controlled by making use of an IR spectrophotometer provided on board the motor vehicle, for the purpose of obtaining an analysis of all the main components of the exhaust gases of the engine. The IR spectrophotometer is of the type with electrostatic micro-shutters so as to present overall dimensions designed to enable its use on board the motor vehicle.

Abstract: A motor vehicle includes a diesel propulsion engine having an exhaust system. The exhaust system includes a discontinuously regenerating exhaust gas purification system including a catalytic converter unit for burning diesel fuel catalytically and a fuel evaporator unit connected upstream of the catalytic converter unit. The fuel evaporator unit includes an electrical heating element and is connected to the fuel tank of the vehicle by a fuel line. The fuel evaporator unit is spatial from any exhaust gas carrying components. A fuel vapor feeding channel upstream of the catalytic converter unit discharges into an exhaust gas carrying component and extends between the fuel evaporator unit and an exhaust gas carrying component.

Abstract: An internal combustion engine includes an in-cylinder injection valve and an intake passage injection valve. A control apparatus of the engine determines whether a catalyst located in an exhaust passage is in an overtemperature condition. When the catalyst is determined to be in the overtemperature condition, the control apparatus controls the injection valves to increase the amount fuel supplied to the cylinder compared to a case where the catalyst is determined not to be in the overtemperature condition. The control apparatus sets a mode for causing the injection valves to increase the amount of supplied fuel according to an operational state of the engine. For example, in a case where the component is determined to be in the overtemperature condition when the engine is operating in a fuel injection mode in which fuel is injected at least from the in-cylinder injection valve, at least the intake passage injection valve performs fuel injection for increasing the supplied fuel.

Abstract: An air-fuel ratio control apparatus of an internal combustion engine in which an exhaust gas purifying catalyst is disposed in an exhaust passage, comprises: fuel cut means which stops fuel supply to the internal combustion engine when it is determined that a number of revolutions of the internal combustion engine is higher than a fuel cut number of revolutions at the time of deceleration of the internal combustion engine; and changing means of the fuel cut number of revolutions for changing the fuel cut number of revolutions according to a physical amount which correlates with an amount of oxygen discharged from the exhaust gas purifying catalyst during the fuel increasing operation of the internal combustion engine such that as the amount of oxygen is greater, the fuel cut number of revolutions is reduced.

Abstract: In a secondary air supply system, each of two branch portions of a secondary air supply pipe that is divided from a joint portion is provided with an air control valve, and the joint portion is provided with a pressure sensor and an auxiliary air control valve. The air control valves are opened at different timings such that pressure fluctuations in the joint portion upon opening of the firstly and the secondly opened air control valves are measured. An abnormality diagnosis is performed with respect to those two air control valves based on combinations of the aforementioned two pressure fluctuations.

Abstract: A diesel particulate filter (41) traps particulate matter contained in the exhaust gas of a diesel engine (1) for a vehicle. The filter (41) is regenerated by raising the exhaust gas temperature so that the trapped particulate matter burns. A controller (31) calculates a particulate matter combustion amount PMr during regeneration, and in accordance with increases in the combustion amount PMr, raises the oxygen concentration of the exhaust gas by operating an intake throttle (42) and/or a variable nozzle (24) of a turbocharger (21). As a result, the filter (41) is held at an optimum temperature for regeneration regardless of the residual particulate matter amount, and hence the time required for regeneration can be shortened without damaging the heat resistance performance of the filter (41).

Abstract: The invention concerns a compressed air balancer (1) for raising, holding and lowering a load, comprising a cable drum (4) which is rotatable and displaceable along its axis of rotation for rolling up and unrolling a cable holding the load, a housing which preferably includes a cylindrical casing (2) and two end closure covers (3), a piston (7) which is subjected to the effect of gas pressure and which is displaceable axially in the housing; and a ball thread transmission which includes a ball rolling spindle (5) and a ball nut (6) and which converts an axial movement of the piston (7) into a rotary movement and axial movement of the cable drum (4). The compressed air balancer (1) is distinguished in that an external running surface of the piston (7) is formed by an internal surface (12) of a tube (8) which is fitted in the form of an internal sleeve into the cylindrical casing (2). Preferably a carbon fiber tube is used as the tube (8).

Abstract: A device for transmitting a displacement of an actuator to a setting element comprises two pistons that delimit two transmission chambers and a compensation chamber with a housing. The compensation chamber is hydraulically connected to the two transmission chambers. The transmission chambers transmit a displacement of the first piston in order to effect a displacement of the second piston. The compensation chamber serves as a reservoir for the transmission medium with which the transmission chambers are filled. The compensation chamber is delimited by an elastomer ring. The elastomer ring depicts a simple and economical realization with which it is possible to subject the compensation chamber to the action of pressure and to change the volume of the compensation chamber at the same time. In a preferred embodiment, the elastomer ring is externally subjected to the action of a tension force via a pressure ring.

Abstract: What has been created is a plurality and a variety of processes and a variety of devices correspondingly supportive to each process, wherein, a new partnership between; (1) a heat absorbing radiator compressed air pipes/tubes and (2) a gas turbine engine or a reciprocating piston engine,—is used to recapture and reconvert the, otherwise wasted, heat energies expelled by engines, by factories, by smelting plants, by distillation plants, by chillers/coolers/freezers, by cooking ovens, by lamps/stoves, by trash burners, and the heat energies created by the solar heat on the desert/ocean water,—into electric power and finally into hydrogen-deuterium fuel,—by having the engine's tailpipes submerged in cold compressed air inside the heat absorbing radiator pipes in reverse air flow, to further drive and re-drive the same engine; wherein, in order to capture fusion heat energy the hydrogen bomb is detonated in the deep ocean to catch the flames by the water and the hot water is used to energize the compressed air in

Abstract: A method for achieving linear engine thrust response comprising the steps of measuring a throttle position (FNRQ), measuring a plurality of engine parameters, inputting the plurality of engine parameters and the throttle position into a plurality of schedules to produce a plurality of outputs, combining the plurality of outputs to produce a part power scheduled airflow (W2RSCH), and using the W2RSCH to produce a near linear thrust response of the engine.

Abstract: A combustor and injector system to inject a selected fuel into a combustor of a gas powered turbine. Generally, the injector is able to inject a selected fuel into a stream of an oxidizer to substantially mix the fuel with the oxidizer stream before any of the fuel in the fuel fan reaches an auto ignition temperature. Therefore the fuel may be substantially combusted at once and without any substantial hot spots.

Abstract: An assembly for a gas turbine engine, the assembly comprising a combustor and a vane assembly downstream from the combustor. The vane assembly includes at least one airfoil radially extending between an inner and outer platform defining an annular gas path therebetween. At least the outer platform forms a first sliding joint connection with an adjacent outer combustor wall such that radial sealing between the outer platform and the outer combustor wall is provided at engine operating temperature, while permitting relative axial displacement therebetween.

Abstract: A combustion turbine engine suited to operation in response to a flow of high-temperature gas. The combustion turbine engine generally includes an outer housing including walls that define an inlet, an outlet, and an inner surface. An insulation cartridge is disposed within the outer housing and defines an inner space. The insulation cartridge includes a wall and a core and is operable to at least partially thermally insulate the outer housing from the flow of high-temperature gas. A turbine rotor is disposed substantially within the inner space and is rotatable in response to the flow of high-temperature gas.

Abstract: A reciprocating and rotating magnetic refrigeration apparatus adopts a dynamo concept and the design of magnetic supply path and heat transfer unit to alternately magnetize and demagnetize a magnetocaloric material to generate thermo-magnetic effect for cooling. The apparatus includes magnetocaloric material located on the head of stator nose poles, magnetic supply coils surrounding the magnetocaloric material, permanent magnets located on a rotating stator, and a heat transfer unit in contact with the magnetocaloric material. Two adjacent magnetocaloric materials magnetize and demagnetize alternately to alter the temperature and entropy of the magnetocaloric material, and through the heat transfer unit, heat exchange occurs between the magnetocaloric materials and the atmosphere to achieve the cooling effect.

Abstract: A cryocooler cold end assembly is disclosed. The assembly includes a unitary external, outer housing. By constructing the housing from a single unitary metal shell, part count is reduced from prior art assemblies. Additionally, all brazing requirements previously necessary to secure and seal the components are eliminated. Further, due to one or more machining steps subsequent to manufacturing/forming the external sealed housing, the tolerances are improved. This allows for shrink to fit assembly of several components and also results in improved straight-line accuracy between the piston bore and the displacer cylinder. Due to this latter improvement, the need for a displacer liner is eliminated.

Abstract: A fin structure for heat-exchanging, the fin structure being mounted on a heat-dissipating portion of a Stirling cycle cooler, wherein the fin structure is configured by coupling a plurality of unit structures, the plurality of unit structures being split by a plurality of surfaces extending from a inner circumference of the fin structure toward an outer circumference thereof. The fin structure is configured thus way, whereby it can be mounted on the heat-dissipating portion so as to sandwich the heat-dissipating portion from the outer circumference thereof by the plurality of unit structures coupled one another. Accordingly, when mounting the fin structure, large force is not required, no adhesive filler is applied to an unneeded portion of the Stirling cycle cooler, and generating a scratch or a distortion on the casing of the Stirling cycle cooler can be prevented.

Abstract: Abstract of the Disclosure A cryogenic fluid storage/processing system which includes a tank for storing the cryogenic fluid, and a containment wall surrounding the tank and defining an impoundment area. The system further includes a vaporizer for regasification of the cryogenic fluid. Piping discharges the vaporizer heating medium into the impoundment area, and/or routes it beneath the tank to heat the ground beneath the tank. Further, the system provides for all liquid hydrocarbons to be contained within the impoundment area with the pumps inside and the vaporizers mounted on the containment walls.

Abstract: The invention relates to a method of cooling a stream of gaseous liquid. The inventive method comprises the following steps: a) the stream of liquid is confined; b) during step (a), liquid nitrogen is sprayed into the stream in order to cool the gaseous liquid; and c) the cooled gaseous liquid is recovered. In addition, another step (step d) is performed before step (b) and, during said step, the gaseous liquid is slowed down by increasing the section of the stream. According to the invention, when articles are being cooled, the gaseous liquid recovered during step (c) is sent to said articles.

Abstract: A method for cooling a fluid in the liquid state, possibly also containing solid elements, comprises feeding said fluid into a containing member for said fluid and also feeding into said member a cooling fluid in the liquid state, such as a liquefied gas; said fluids are brought into direct contact within said containing member so that by absorbing heat, the cooling fluid passes into the gaseous state and cools the fluid to be cooled, these fluids then being extracted directly from said member by separate conduits. The plant for implementing said method is also claimed.

Abstract: A device and method is provided for cooling products, with a conveying belt which conveys the products through a cooling zone in which the products are exposed to an atmosphere which, by means of low-temperature gases, is brought to a temperature required for cooling the products. The conveying belt leads partially through an immersion bath consisting of liquefied low-temperature gas. At least one ventilator is mounted below the conveying belt such that it causes the temperature distribution in the cooling zone to be more uniform. Injection devices for liquefied low-temperature gas are provided, the injection devices being arranged in the proximity of the placing of the product onto the conveying belt below the part of the conveying belt loaded with the product, with a spraying direction aimed onto the conveying belt.

Abstract: A freezer includes a refrigerating surface that is capable of freezing and a measuring circuit for estimating the quantity of ice located on the refrigerating surface and for furnishing a warning signal when the estimated quantity of ice exceeds a limit value. The freezer includes a sensor sensing at least one climatic condition and a refrigerating surface periodically freezing, and a measuring circuit having at least one sensor and a time measuring device estimating a quantity of ice on said refrigerating surface based upon various factors. A warning signal is supplied when an estimated quantity of ice exceeds a predetermined limit value.

Abstract: A method and apparatus that provides supplemental heat from a heat source based upon the operating environment of a refrigeration or freezer. The supplemental heat is automatically controlled to provide heating to a sealing area to prevent condensation from forming.

Abstract: Refrigerant is circulated through a vapor compression system including a compressor, a gas cooler, an expansion device, and an evaporator. An auxiliary electric heater is activated to further heat the heated water exiting the gas cooler when the heating capacity of the system is low. The auxiliary electric heater can be located on the water line exiting the gas cooler, in a water tank that stores the heated water, or on the refrigerant line proximate to the compressor discharge.

Abstract: A heat pump water heater system includes a compressor that has a variable clearance volume that can be selectively controlled to control the mass flow rate of refrigerant from the compressor. Under higher ambient air temperature conditions, the variable volume is increased to keep refrigerant in a variable clearance volume chamber and to decrease the mass flow rate of the refrigerant from the compressor. Under lower ambient air temperature conditions the variable volume is decreased to increase the mass flow rate. The variable clearance volume allows for maintaining optimum system performance under a variety of ambient air temperature conditions.

Abstract: An electrochemical cell cooling system includes a closed loop for circulating coolant through an electrochemical cell. The loop includes a pump for pumping the coolant from a container through a filter and a heat exchanger. Pressure in the container and loop is selectively adjusted upwardly for a positive pressure condition or downwardly for a negative pressure condition using a pressure-adjusting flow line. The flow line includes a venturi in fluid communication with the container and a shut-off valve downstream of the venturi which is opened to induce depressurization of the loop or closed to cause pressurization. A variable-flow valve upstream of the venturi enables fine adjustment of the pressurization or depressurization. Alternatively, a flow-restricted bypass and a second variable-flow valve can be introduced to facilitate coolant temperature control.

Abstract: In an air conditioner which is divided into an indoor unit and an outdoor unit, the present invention improves the reliability with respect to the electrical insulation and refrigerant leakage of connection structures for refrigerant lines of the air conditioner that serve to transmit electrical signals of the indoor unit and outdoor unit via connection lines that serve to connect the indoor unit and outdoor unit and circulate refrigerant. An insulation portion of an electric insulation device is formed from an annular first flange, an annular second flange, a gasket that is arranged between the first flange and the second flange and composed of an electric insulation material, a plurality of through bolts and nuts that join the first flange and the second flange, a sleeve composed of an electric insulation material that lies between the bolt holes of the first flange and the second flange and the through bolts, and a washer that is interposed between head portions of the through bolts and the first flange.

Abstract: A heat pump includes a first and second heat exchanger, a scroll compressor and a flash tank in fluid communication. The flash tank includes an inlet fluidly coupled to the heat exchangers to receive liquid refrigerant. Furthermore, the flash tank includes a first outlet fluidly coupled to the first and second heat exchangers and a second outlet fluidly coupled to the scroll compressor. The first outlet is operable to deliver sub-cooled-liquid refrigerant to the heat exchangers while the second outlet is operable to deliver vaporized refrigerant to the scroll compressor. An expansion valve is further provided and is operable to selectively open and close the inlet by a float device. The float device is operable to control an amount of liquid refrigerant disposed within the flash tank by regulating an amount of liquid refrigerant entering the flash tank via the inlet.

Abstract: The invention provides techniques for producing a saline slush for induction of therapeutic hypothermia. Embodiments of the invention provide a gain of hypothermic therapies over the use of chilled saline alone.

Abstract: A method and system for greatly reducing the amount of stop and go driving and shopping of a child caretaker that requires the transport of the child to and from a child activity center by providing kiosk units that allow for the purchase of child specialty products with the kiosk center being mounted directly in the storage space at the child activity center such as a hallway in a daycare center. The system allows for an attendant with lock and key and a merchant access device for credit cards to sell child specialty products conveniently and easily at the daycare center. The kiosk owner maintains the transport of goods, the shelves of which are labeled with each of the goods for sale and can be seen clearly through glass windows mounted on each of the doors including a refrigerator. A drive through kiosk can be provided selling child specialty products.

Abstract: The invention relates to a device for cooling products to be cooled, said device comprising a carrier for products to be cooled, a housing, a coolant supply for supplying coolant into the housing, and at least one opening of the housing for supplying and extracting the product to be cooled. At least one channel is provided in the region of the opening for receiving the coolant, said channel being actively connected to a suction-side connection of a fan and comprising an inlet which is arranged outside the housing, adjacent to the opening thereof. Preferably, two channels are provided, said channels being arranged opposite each other, adjacent to the opening, and being embodied in such a way that essentially only heated, gaseous coolant, i.e. which has already fulfilled its cooling purpose, is carried off, while removal by suction of the coolant which has not yet received the heat quantity is prevented from the inside of the housing.

Abstract: A cooling system for transferring heat from a heat load to an environment has a volatile working fluid. The cooling system includes first and second cooling cycles that are thermally connected to the first cooling cycle. The first cooling cycle is not a vapor compression cycle and includes a pump, an air-to-fluid heat exchanger, and a fluid-to-fluid heat exchanger. The second cooling cycle can include a chilled water system for transferring heat from the fluid-to-fluid heat exchanger to the environment. Alternatively, the second cooling cycle can include a vapor compression system for transferring heat from the fluid-to-fluid heat exchanger to the environment.

Abstract: Provided is a radiating apparatus of a built-in refrigerator that can improve heat radiation in a machine room of the refrigerator installed in a built-in cabinet. The radiating apparatus includes: a refrigerator body installed in a built-in cabinet; a machine room disposed at a rear lower side of the refrigerator body; a compressor installed at one side of the machine room; a condenser and a blower fan installed at the other side of the machine room; and an airflow guide member installed between the blower fan and the condenser, for guiding a suction of an external air toward the other side of the machine room and guiding a discharge of an air that has exchanged heat in the other side of the machine room.

Abstract: An integrated condenser/receiver includes a multi-pass heat exchanger core, an elongated receiver housing, and a refrigerant conduit to direct refrigerant between the receiver housing and the multi-pass heat exchanger core. The heat exchanger core includes an elongate header extending along an axis, a plurality of tubes extending parallel to each other and transverse to the axis to direct a refrigerant through the core, with the tubes spaced along the header and having ends received therein to direct refrigerant to and from the header, and at least one baffle in the header to separate the header into a first portion that receives refrigerant from a first set of the tubes and a second portion that directs refrigerant to a second set of the tubes. Each of the set of tubes defines a refrigerant pass through the core. The receiver housing is mounted to the core, with the second set of tubes located between the receiver housing and the first set of tubes.

Abstract: A cooling apparatus (1) has a compressor (2), a condenser (3), an expansion valve (5), an evaporator (6) and an electric valve (10), all connected to each other in this order by a piping line to form a refrigeration circuit. The apparatus further has a heating section (11) and a bypass (12), and a thermosensitive tube (13) of the expansion valve is disposed between the heating section (11) and the electric valve (10) so that temperature of a refrigerant having left this section is detected before entering this valve (10). The refrigerant remains as a gas-liquid mixture until it leaves the evaporator (6) such that temperature of the refrigerant is uniform within the evaporator and equal to the saturation vapor temperature of this refrigerant, and therefore fluctuation in the refrigerant temperature is diminished.

Abstract: The invention provides an expansion valve maintaining the functions of the prior art expansion valve and at the same time realizing a simple arrangement with less components and less required number of assembly steps, and enabling to cut down assembly costs. A first passage 11 through which refrigerant flowing toward an evaporator 2 travels and a second passage 12 through which refrigerant flowing from the evaporator 2 toward a compressor 3 travels are formed within a valve body 10. In response to the temperature of the refrigerant traveling in the second passage 12, a valve actuating member 40? actuates a valve means 20 disposed in the valve body 10 to control the flow of the refrigerant entering the evaporator 2. A seal member 50 sealing the area between the first and second passages 11 and 12 is disposed between the valve body 10 and the valve actuating member 40?. A stopper portion 44 of the seal member 50 is integrally formed in advance to the valve actuating member 40?.

Abstract: A bezel having a lumen open to the top and bottom and a recessed center section is used both to mount a stone to a piece of jewelry and to function as a clasp for the jewelry. The recessed center section of the jewelry can be coupled to a hook to secure the jewelry to the wearer.

Abstract: The present invention is an earring for a pierced ear comprising a shaft, said shaft being mounted on a base; a connector having a cavity with means for engaging said shaft and an adapter on the obverse; and a cap having a means for affixing to said adapter on one side and a decorative aspect of the earring attached on the obverse.

Abstract: The present invention relates to a tension locking member for an earring, more particularly, a tension locking member for an earring useful for removably attaching the earring to an earlobe, comprising a plate spring having an embossed projection at one side, wherein the plate spring is constructed and assembled to allow the embossed projection to be hooked and supported by two fixing pieces in a movable manner when the fixing pieces formed on both ends of the tension locking member are bent and supported in a fixed position so that it can protect the plate spring from being detached or released and, at the same time, to inhibit or reduce local stress load on the plate spring generated by repeatedly using the tension locking member to essentially prevent partial cutting of the plate spring, and obtain a tension effect for the tension locking member even by slight force, thereby, accomplishing smooth and enhanced wearing sense.

Abstract: The present invention relates to a fastening system for fastening a jewellery element (3) to an item of jewellery (12) and an item of jewellery comprising the fastening system according to the invention. The fastening system comprises a setting constructed on the item of jewellery (12) with a support part (1) and a fastening device (2) and a jewellery element (3) releasably fastenable on the support part (1) of the setting by means of the fastening device (2), the support part (1) comprising an aperture (4) which is capable of at least partially receiving the jewellery element (3).

Abstract: A jewelry article optionally with one or more gemstones, includes one or more hollow core segments with at least one bore in a side wall, and optionally an element interconnected with the one or more of the segments formed by a flexible linkage. A segment may include a setting with rods to receive a gemstone. The segment(s), and optionally the element, are preferably in an annular array to form a ring, necklace and the like and may be of the same or different configurations. The segments also may have different arcuate circumferential lengths and cross sectional shapes preferably frusto-conical and may comprise only a portion of an article such as a finger ring or necklace and the like periphery. The linkage is formed by a pin secured to one segment or element and which pin passes through the bore into the hollow core of the adjacent abutting segment. A coil compression spring is captured to the pin in the hollow core of a segment and urges the adjacent components together.

Abstract: A press molding apparatus is provided which can increase molding accuracy without, for example, tilting a main shaft supporting a molding die and which is not increased in size even if a stroke is increased when the dies are opened or closed.

Abstract: A method of fabricating a glass sheet comprises modifying the thermal stress in the glass such that it is a tensile stress or substantially zero stress in a particular temperature zone of the glass, with that zone selected such that the glass sheet is formed substantially free of warping. In an example embodiment, the modifying of the thermal stress is effected by non-uniform cooling of the glass across the glass transition temperature range. This non-uniform cooling may be applied in cooling segments that are linear and at least two of the segments have differing slope.

Abstract: A process and system for controllable production of continuous lengths of microwire having a core covered by a glass coating are provided. According to the method of the invention, a glass tubing is loaded with a core material. Thereafter, the process includes the step of heating the tubing containing the core material for melting thereof, softening a tip of the glass tubing and forming a drop of the core material in the molten state surrounded by an outer glass shell. During the process, the gas is evacuated from the glass tubing in order to control elevation of the drop. The method includes drawing the heated outer glass shell into a continuous microwire filament and stabilizing the temperature and mass of the drop during the process.

Abstract: Vertically aligned first (30) and second (32) combined blowhead and takeout mechanisms are provided to sequentially blow glass parisons (P) into containers (C) in a mold set (22) and to transfer blown containers to a deadplate (40) of a glass containing forming machine (20). Each of the combined mechanisms is pivotally suspended about an axis A from a carrier arm (36) that is pivotally attached to an end of an oscillating arm (38), an opposed end of which is pivoted about an axis (B). The axis (B) of each combined blowhead and takeout mechanism is periodically raised and lowered to permit the other combined blowhead and takeout mechanism to oscillate therebeneath, to thereby permit overlapping cycles between the blowhead and takeout mechanisms. Each blowhead and takeout mechanism is provided with a chuck or tong assembly (54) to engage or release each container by its finish (F).

Abstract: The present invention relates to a method for manufacturing a preform for optical fibres, wherein deposition of glass-forming compounds on the substrate takes place. The present invention furthermore relates to a method for manufacturing optical fibres, wherein one end of a solid preform is heated, after which an optical fibre is drawn from said heated end.