Abstract: A method for operating a gas and steam turbine system having a gas turbine, a steam turbine and a waste heat steam generator is provided herein, wherein steam for the steam turbine can be generated in the exchange of heat with exhaust gas from the gas turbine. Absorption capacity of the steam turbine can be increased and pressure in the waste heat steam generator can be lowered to utilize storage reserves in the waste heat steam generator for increased generation of steam to assist the frequency in the power system starting from a steady-state operating mode. Thermal energy is fed to the waste heat steam generator wherein a power profile of the gas and steam turbine system is greater than or equal to a preceding power level of the steady-state operating mode to increase the absorption capacity of the steam turbine and reduce pressure in the waste heat steam generator.

Abstract: A method for converting thermal energy into mechanical energy in a thermodynamic cycle includes placing a thermal energy source in thermal communication with a heat exchanger arranged in a working fluid circuit containing a working fluid (e.g., sc-CO2) and having a high pressure side and a low pressure side. The method also includes regulating an amount of working fluid within the working fluid circuit via a mass management system having a working fluid vessel, pumping the working fluid through the working fluid circuit, and expanding the working fluid to generate mechanical energy. The method further includes directing the working fluid away from the expander through the working fluid circuit, controlling a flow of the working fluid in a supercritical state from the high pressure side to the working fluid vessel, and controlling a flow of the working fluid from the working fluid vessel to the low pressure side.

Abstract: A waste heat recovery device for a marine vessel is disclosed. According to the embodiments of the present invention, the waste heat recovery device for a marine vessel includes: a heat exchanger, which recovers heat from the exhaust fumes discharged from the engine, to heat a first refrigerant under uniform pressure; a turbine which is driven by adiabatically expanding the first refrigerant heated under uniform pressure; a condenser which condenses the adiabatically expanded first refrigerant; and a heat exchanging pump which compresses the condensed first refrigerant so as to re-circulate the compressed first refrigerant to the heat exchanger.

Abstract: Hybrid aircraft propulsion systems are disclosed comprising an electrically driven ducted fan, a peripheral duct or enclosure, a combustion-produced source of radiant energy, radiant energy receivers or cold mirrors, and thermophotovoltaic or thermoelectric cell energy converters. An electric motor drives a partially or completely duct enclosed fan. Downstream and within the duct enclosure, radiant energy emitters irradiated receiver fins and thermophotovoltaic cells or thermoelectric cells. The receiver fins heat and expand the fan air, and the thermophotovoltaic cells or thermoelectric cells convert the radiant energy into electrical energy which is available to charge batteries and energize the fan motor. Thrust is provided via the acceleration of air by the fan and by the acceleration of air due to heat driven expansion.

Abstract: A combustion chamber (1) for a gas turbine plant having a combustion chamber wall (10), through which combustion gases (G) flow in the direction of a downstream gas turbine, wherein the combustion chamber wall (10) has a dampening device (20) for dampening thermoacoustic vibrations caused by the combustion gases (G) and wherein the dampening device (20) comprises at least one Helmholtz resonator. The resonator volume (21) opens into the combustion chamber (1) with the resonator tube opening (M) in the combustion chamber. At least one supply opening (23) with which sealing air (S) for sealing the resonator tube opening (M) is introduced into the combustion chamber (1) via the resonator volume (21) and an at least one resonator tube (22, 22?, 22?) from a compressor plenum (2). The at least one resonator tube (22, 22?, 22?) from a compressor plenum (2).

Abstract: A combustion chamber (1) for a gas turbine plant, has a combustion chamber wall (10), which is flowed through by combustion gases in the direction of a downstream expansion turbine, the chamber wall (10) has a device (20) for damping thermoacoustic oscillations caused by the combustion gases. At least one resonator tube (22), interacts with the resonator volume (21) and opens out into the combustion chamber (1) with its mouth (M) opposite from the resonator volume (21) in the combustion chamber inner wall (10). At least one feed opening (23, 23?, 23?) for sealing air for sealing the resonator tube mouth (M) is introduced into the combustion chamber (1) from a compressor plenum (2), surrounding the combustion chamber. The at least one first feed opening (23?, 23?) is provided in a region of the combustion chamber wall (10) close to the resonator tube mouth (M) and is aligned such that the sealing air (S) through the feed opening (23?, 23?) flows over the resonator mouth (M).

Abstract: The invention relates to a damper for reducing pulsations in a gas turbine, which includes an enclosure, a main neck extending from the enclosure, a spacer plate disposed in the enclosure to separate the enclosure into a first cavity and a second cavity and an inner neck with a first end and a second end, extending through the spacer plate to interconnect the first cavity and the second cavity. The first end of the inner neck remains in the first cavity and the second end remains in the second cavity. A flow deflecting member is disposed proximate the second end of the inner neck to deflect a flow passing through the inner neck. With the solution of the present invention, as a damper according to embodiments of the present invention operates, flow field hence damping characteristic in the second cavity constant regardless the adjustment of the spacer plate in the enclosure.

Abstract: The invention relates to a damper for reducing the pulsations in a combustion chamber of a gas turbine. The damper includes a resonator cavity with an inlet and a neck tube in flow communication with the interior of the combustion chamber and resonator cavity, and a compensation assembly pivotably connected with the neck tube. The compensation assembly is inserted between the resonator cavity and the combustion chamber to permit relative rotation between the combustion chamber and the resonator cavity. With the damper according to the present invention, by way of providing the compensation assembly, it is assured the relative rotation between the combustion chamber and the resonator cavity is compensated, hence operation life is elongated.

Abstract: In accordance with an exemplary embodiment, a fuel injector assembly is provided for a gas turbine engine with a compressor section and a combustion section. The fuel injector assembly includes a stem defining a fuel path for fuel and a flow guide coupled to and extending along the stem. The flow guide receives an air flow. The assembly further includes a swirler apparatus coupled to the stem and configured to receive the fuel. The swirler apparatus is further coupled to the flow guide and configured to receive the air flow. The swirler apparatus is configured to mix the fuel and the air flow and direct the mixture into a combustor of the combustor assembly.

Abstract: A system includes a first combustor having a first combustion chamber, a first head end with a first plurality of fuel nozzles, and a first effusion plate. The first effusion plate has a first plurality of openings for the first plurality of fuel nozzles, and the first effusion plate has a first plurality of openings configured to enable air flow into the first combustion chamber. The system includes a second combustor having a second combustion chamber, a second head end with a second plurality of fuel nozzles, and a second effusion plate. The second effusion plate comprises a second plurality of air ports configured to enable air flow into the second combustion chamber, such that the first plurality of air ports in the first effusion plate have differences relative to the second plurality of air ports in the second effusion plate.

Abstract: A turbomachine assembly for recovering waste heat generally has a compressor section that is configured to generate a compressed fluid flow and to channel the compressed fluid flow within the turbomachine assembly. A turbine section is coupled to the compressor section via a rotating member such that portions of the rotating member are located within the compressor section and the turbine section, respectively. The turbine section is in flow communication with the compressor section such that the compressed fluid flow is received by the turbine section. At least one heat exchanger is positioned at least partly within the turbine section where the heat exchanger receives waste heat energy. The heat exchanger transfers energy from the waste heat into the compressed fluid flow to increase at least one parameter of the compressed fluid flow contributing to the generation of a power output.

Abstract: A turbomachine combustor assembly includes a combustor body, a combustion chamber defined within the combustor body, one or more combustion nozzles positioned to direct a combustible fluid into the combustion chamber, and a fuel start-up system fluidly connected to the combustion chamber. The fuel start-up system is configured and disposed to combine a liquid fuel and a combustible gas to form an ignition fuel. A pilot nozzle is fluidly connected to the fuel start-up system. The pilot nozzle is configured and disposed to deliver an atomized cloud of the ignition fuel toward the combustion chamber.

Abstract: A method for stabilising a network frequency with a gas turbine that can be operated using syngas and an additional fuel is provided. The mass-flow of the additional fuel, supplied to operate the gas turbine, can be increased more quickly than that of the syngas and, in order to stabilise a network frequency, a ratio of the mass-flow of syngas to that of the additional fuel, for operating said gas turbine, is modified by the mass-flow of said additional fuel being modified while the mass-flow of the syngas remains the same.

Abstract: A device comprising a combustion toroid for receiving combustion-induced centrifugal forces therein to continuously combust fluids located therein and an outlet for exhaust from said combustion toroid.

Abstract: In an aircraft including a gas turbine engine, a system for cooling the gas turbine engine includes a tank provided in a wing of the aircraft, the tank being configured to store a cooling fluid supply; and a heat exchanger provided in the gas turbine engine configured to exchange heat from the compressor discharge air to the cooling fluid.

Abstract: Disclosed is a system suitable for both of the production of electricity, and the utilization of electricity, comprising: electricity transformator, rectifyer, an oxygen storage and drawer unit, a hydrogen gas transmission unit, a reactor for the production of methanol, to which a carbon dioxide container and a carbon dioxide compression and pre-heating unit is linked at the input side, and a methanol-water rectifying unit is linked at the output side, the water leaving said rectifying unit is transferred to the fresh water inlet, and the separated methanol is transferred to the methanol storage tank, which is optionally linked to an equipment suitable for the combustion of methanol, preferably gas turbine. A process for storing electricity using the system is also disclosed.

Abstract: A gas turbine engine includes a bleed structure which includes a forward wall and a rear structural wall to define a deposit space downstream of the bleed structure for a hail event of a predetermined duration.

Abstract: A fluid supercharging device (3, 5), comprising: a rotating shaft (7); a vane disc (308) coaxially fixed to the rotating shaft (7); a plurality of fan blades (301) fixed around a perimeter of the vane disc (308); the back side of the fan blades 301 being provided with at least one fluid guiding inlet (305), an end of the back side distal from the vane disc (308) is provided with a fluid guiding outlet (306, 307), a fluid channel (304) communicating the fluid guiding inlet (305) with the fluid guiding outlet (306, 307) is provided along a lengthwise direction inside the fan blades; the fan blades (301) rotate to generate a centrifugal force such that a fluid flows into the fluid channel via the fluid guiding inlet on the back side, and flows out of the fluid guiding outlet along the lengthwise direction of the fan blades.

Abstract: A module for warming and, alternately, for cooling, this module comprising an electrocaloric capacitor, an electrical energy storage device and a controllable circuit for transferring electrical energy between the electrocaloric capacitor and the energy storage device. The controllable circuit comprising an inductor connected between the electrocaloric capacitor and the storage device and at least one controllable switch. There is further included a unit programmed to control the switch so as to cause the transfer circuit to toggle successively into the following states and in the following order: an energy recovery state, a disabled state in which it electrically isolates the electrocaloric capacitor and the energy storage device, an energy release state and the disabled state, and each time to maintain the transfer circuit in the disabled state for a duration greater than a predetermined threshold.

Abstract: An optical module to enhance the heat dissipating function is disclosed. The optical module includes an optical assembly, a heat spreader, and a holder. The optical assembly emits light and dissipates heat in directions opposite to each other. The heat spreader is attached to the bottom of the optical assembly to conduct heat from the optical assembly effective to the outside. The holder securely holds the intermediate assembly of the optical assembly and the heat spreader.

Abstract: The invention relates to a liquid nitrogen cooling sensor device container and liquid nitrogen cooling sensor equipment, and effectively reduces low-frequency noise while maintaining the ease with which a probe can be inserted in and removed from liquid nitrogen. Said invention comprises: a liquid nitrogen containing insulating container that contains liquid nitrogen; a sensor fixing member which has a distal end portion to which a sensor operating at a temperature of the liquid nitrogen is attached; and a fixing buffer member which is for fixing the sensor fixing member to the liquid nitrogen containing insulating container, wherein the fixing buffer member exerts a buffering effect in the liquid nitrogen.

Abstract: Marine transportation of natural gas is disclosed, including: a) removing a free water stream and a condensate stream from the source of raw natural gas to produce a dew-pointed unsweetened natural gas stream at an offshore supply location; b) subjecting the dew-pointed unsweetened natural gas stream to a selected level of dehydration to produce a partially dehydrated unsweetened natural gas stream at the offshore supply location; and c) transporting at least a portion of the partially dehydrated unsweetened natural gas stream in a gas containment system onboard a gas carrier vessel from the offshore supply location as a feed source of natural gas to an acid gas removal facility or an LNG production facility located at an offloading location.

Abstract: A cryopump includes an adsorption cryopanel including a front surface configured to receive incidence of a non-condensable gas and a back surface having an adsorption region of the non-condensable gas, and a reflection cryopanel including a reflection surface of the non-condensable gas facing the back surface. The adsorption cryopanel may have a multitude of through holes penetrating from the front surface to the back surface. The adsorption cryopanel has a passage probability of the non-condensable gas selected from a range of 10% to 70%.

Abstract: Shaft horsepower output associated with a prime mover for driving a component of a transport refrigeration system may be selectively augmented through an auxiliary power apparatus. In an embodiment, a compressed air engine is provided and selectively operable to augment the shaft horsepower output for driving the component. At least one storage tank is provided for storing compressor air and at least one air compressor is provided for generating and supplying compressed air to the at least one compressed air storage tank. In an embodiment, the prime mover is a fuel combustion engine and the compressed air is heated by exhaust gas from the fuel combustion engine. The driven component may be a refrigerant compressor. The driven component may be an electric generator.

Abstract: A method and an apparatus for conditioning meat wherein further processing is optimized wherein the meat with a first temperature between ?35 to ?18° C. is introduced into a conditioner. Inside the conditioner a gas is circulated and by means of said gas the temperature is raised in the meat to a second temperature between ?8 and ?1.5° C., more preferred ?5 and ?1.5° C., with the meat being conveyed by the conveyor arranged inside the conditioner. At the second temperature the meat is transported out of the conditioner, wherein the meat is portioned, sliced, formed and/or cut at said second temperature, after which the processed meat is brought to a third temperature different from said second temperature.

Abstract: An installation and method for freezing and cold storage of palletized product. A chiller is provided in the interior of a cold storage warehouse space that maintains the temperature of ambient air within the space below freezing. A plurality of racking structures each define an air flow chamber having air intake openings on opposite sides thereof and an air outlet to enable freezing air to be drawn into the chamber through the intake openings and exhausting into the warehouse space. Pallets on pallet guides are pressed against the intake openings such that freezing air is drawn through the palletized product to thereby quickly freeze the product. The pallet structure and air flow chambers are arranged in spaced-apart rows to enable a forklift to pass down the aisles so as to place and remove the palletized product.

Abstract: An integrated mobile apparatus pre-cools produce prior to shipment, for example, to purchasers or to a cold storage facility. The apparatus comprises a preparation chamber for receiving and arranging produce on a movable carrier, a cooling chamber for receiving the produce from the preparation chamber, and a shipping chamber for receiving the produce from the cooling chamber. The chambers are preferably housed in a single enclosure and are arranged linearly, with the cooling chamber interposed between the preparation chamber and the shipping chamber. A method for pre-cooling produce prior to shipment comprises (a) arranging the produce on a movable carrier located within the preparation chamber, (b) conveying the carrier from the preparation chamber to the cooling chamber, (c) cooling the produce in the cooling chamber, (d) conveying the cooled produce to the shipping chamber, and (e) unloading the produce from the shipping chamber on to a vehicle.

Abstract: An aircraft cooling system comprising a refrigerating device and a heat exchanger thermally coupled to the refrigerating device. A ram air duct of the aircraft cooling system is adapted to supply cooling air to the heat exchanger, in order to remove waste heat generated in the operation of the refrigerating device from the heat exchanger to the aircraft surroundings. A connecting element comprises a first end connected to the ram air duct and a second end connectable to a device for providing conditioned air and is adapted to supply conditioned air to the ram air duct, at least in certain operating phases of the aircraft cooling system.

Abstract: An anti-icing system for use with a refrigerator that defines an interior area includes a cooling apparatus mounted in the interior area of the refrigerator and having a condenser portion and a plurality of spaced apart fins operably coupled to the condenser portion and extending away therefrom. The anti-icing system includes a first fan situated in a fan housing having opposed front and rear walls, the front wall defining an aperture. The first fan is situated in the fan housing so as to transmit air through the aperture when energized. The heat exchange unit is configured to be mounted in the refrigerator interior area such that the plurality of evaporator fins extends outwardly. The fan housing is configured to be mounted in the refrigerator interior area perpendicular to the plurality of evaporator fins such that air is transmitted across the fins to reduce or eliminate icing.

Abstract: An evaporator setpoint temperature for a refrigeration system is adjusted by an electronic control module to maximize a ratio of volume of condensate produced per unit of electricity consumed. When the control module detects a change in the relative humidity of air entering an evaporator in the refrigeration system, the module determines the new dew point for the air, compensates the dew point value by a predetermined offset value, and changes the setpoint for refrigerant temperature in the evaporator to the compensated dew point value. The control module operates the refrigeration system to drive the evaporator temperature to the compensated dew point value. Refrigeration system parameters measured and modified by the control module include operating speed of compressors, number of operating compressors, refrigerant flow through an expansion valve, compressor suction pressure, and fan speeds for the condenser and evaporator.

Abstract: A refrigeration system including a first compressor and a second compressor, operating in tandem, wherein the first compressor includes a compression capacity different than the compression capacity of the second compressor. A method for operating a refrigeration system including a first compressor and a second compressor operating in tandem; wherein the first compressor comprises a first compression capacity and the second compressor comprises a second compression capacity larger than the first compression capacity the method comprising the steps of: determining a cooling demand; operating the first compressor in a first stage of cooling; operating the second compressor in a second stage of cooling; and operating the first compressor and the second compressor in a third stage of cooling.

Abstract: A refrigerating and air-conditioning apparatus performs, even during a heating operation under air conditions leading to formation of frost, a defrosting operation while simultaneously continuing a heating operation and that improves comfort through heating by ensuring an appropriate amount of ventilation. A plurality of refrigeration cycles that are capable of independently performing a heating operation and a defrosting operation, are provided. A ventilation damper of an indoor unit in which a refrigeration cycle that performs a defrosting operation is installed is closed during a defrosting operation, and a ventilation damper of an indoor unit in which a refrigeration cycle that performs a heating operation is installed is controlled to achieve a required amount of ventilation corresponding to the indoor ventilation state.

Abstract: The volume ratio of a hot-water-supply-side liquid extension pipe to a water heat exchanger is set to be equal to or more than the minimum volume ratio, which is the volume ratio of the hot-water-supply-side liquid extension pipe to the water heat exchanger when the required refrigerant amount during a cooling and hot water supply simultaneous operation in which an indoor-side heat exchanger serves as an evaporator, the water heat exchanger serves as a condenser, cooling energy is supplied from the indoor-side heat exchanger, and heating energy is supplied from the water heat exchanger is equal to the required refrigerant amount during a heating operation in which a heat-source-side heat exchanger serves as an evaporator, the indoor-side heat exchanger serves as a condenser, and heating energy is supplied from the indoor-side heat exchanger.

Abstract: An example of the disclosed refrigerant system includes a compressor having a motor that is cooled by motor cooling fluid provided to the motor from the main refrigerant loop by a motor cooling circuit. The example system further includes a sub-cooling circuit to cool the motor cooling fluid.

Abstract: A heat exchanger includes a refrigerant tube through which a refrigerant for absorbing heat from air flows, and a defrosting medium tube through which a coolant for supplying heat for defrosting flows. Two fins disposed on both sides of the refrigerant tube include a protrusion protruding toward an upstream side of the flow of air with respect to the refrigerant tube. The protrusion is provided with a clearance that allows melt water generated in the defrosting to flow on the upstream side of the refrigerant tube. The refrigerant tubes and the defrosting medium tubes can be alternately arranged in the upstream line. The protrusion protrudes such that the air can be introduced into an air passage from the side portion of the protrusion even when an end facing the upstream side of the flow of the air is closed with the core of frost.

Abstract: A refrigerator includes a body, a storage compartment provided in the body, a door to open and close the storage compartment, an icemaker provided to one side of the storage compartment, an ice bucket provided under the icemaker, and a crusher provided to the rear surface of the door and having an inlet disposed under the outlet of the ice bucket when the door is closed. The crusher may be provided separately from the ice bucket and may independently mounted and detached to and from the rear surface of the door. The ice bucket may have a slimmer design. The space utilization and usability of the storage compartments and the rear surface of the doors may be enhanced.

Abstract: A food storage system allows at least one warm item and one cool item, especially foods to be stored and transported together. A housing with a closable internal volume receives at least one container for the cool items and one container form the warm items. In each of these containers, cool items and warm items are paired with a appropriate phase change material that either absorbs heat or emits heat. The items and the phase change materials can be separately contained.

Abstract: There is provided a refrigerating assembly for temporarily storing an item at a first temperature lower than an ambient temperature. The refrigerating assembly comprises a container for receiving the item and a shell adapted for removably receiving the container therein. The container comprises a sidewall having therein defined a cavity containing an amount of a refrigerant medium having a second temperature lower than the ambient temperature for temporarily maintaining the item received in the container at the first temperature. The shell has an outer surface which is at the ambient temperature and an inner surface which has a layer of thermally insulating material mounted thereon for thermally insulating the shell from the container, thereby maintaining the outer surface at the ambient temperature. There is further provided a method for temporarily storing an item at a first temperature lower than an ambient temperature.

Abstract: A modular cooler assembly is disclosed herein. According to an embodiment, the modular cooler assembly may be configured to house one or more beverage containers therein. In some instances, the modular cooler assembly may include a number of panels. The panels may be interconnected by way of a number of joints. In certain embodiments, at least one of the panels may be configured to be opened and closed.

Abstract: A temperature control apparatus (70) includes a heat exchanger (71) configured to exchange heat with the surroundings using a phase change of a refrigerant, a rotary pump (73) configured to receive the refrigerant from the heat exchanger (71) and fuse the refrigerant with oil contained inside the rotary pump, and an oil water separator (74) configured to receive the refrigerant fused with the oil from the rotary pump (73) and separate the refrigerant from the oil. The temperature control apparatus further includes a refrigeration cycle that implements a cooling function by circulating the refrigerant separated from the oil back to the heat exchanger (71).

Abstract: An ejector-type refrigeration cycle device is provided with a first ejector (15) which draws refrigerant from a refrigerant suction port (15b, 24b) by using a high-speed refrigerant flow jetted from a nozzle part (15a, 24a), and a first suction-side evaporator (19) connected to the refrigerant suction port (15b) of the first ejector (15), and a second suction-side evaporator (27) connected to a refrigerant suction port (24b) of a second ejector (24). A flow amount of the refrigerant in the second ejector (24) is smaller than a flow amount of the refrigerant in the first ejector (15). The refrigerant branched at a branch part (Z2) that is positioned on a downstream refrigerant side of a radiator (13) and on an upstream refrigerant side of the first ejector (15) flows into the second ejector (24), and the refrigerant branched on a downstream refrigerant side of the second ejector (24) flows into the second suction-side evaporator (27).

Abstract: Nitrogen is removed from a cryogenic hydrocarbon composition. A least a first portion of the cryogenic hydrocarbon composition is fed to a nitrogen stripper column. The nitrogen stripper column operates at a stripping pressure. A stripping vapour is passed into the nitrogen stripper column, comprising at least a stripping portion of a compressed process vapour that has been produced from the nitrogen-stripped liquid which has been depressurized after drawing it from the nitrogen stripper column. Reflux is generated involving partially condensing overhead vapour of the nitrogen stripper column by passing heat from the overhead vapour to an auxiliary refrigerant stream at a cooling duty. An off gas consisting of a, non-condensed, vapour fraction from the overhead vapour is discharged. The cooling duty is adjusted to regulate a heating value of the vapour fraction being discharged.

Abstract: A process for dehydrating and removing heavy hydrocarbons in the production of liquefied natural gas from a methane-rich gas mixture is disclosed, wherein the methane-rich gas mixture subjected to deacidification treatment is divided into two streams, i.e. the first stream and the second stream, wherein the first stream used as a system process gas is introduced into a drying procedure, and the second stream used as regenerating gas is introduced into a regenerating procedure; the first stream is subjected to a drying treatment, and the moisture and the heavy hydrocarbons are simultaneously removed from the first stream in a composite adsorbent bed(s) of a drying tower, wherein the moisture is removed such that the dew point at normal pressure is ??76° C.

Abstract: An article of jewelry for wearing on the body may comprise a sintered polycrystalline diamond compact with substantially no metal catalyst. As many of the metal catalysts commonly used in the art are known to cause skin irritation, such a sintered compact with substantially no metal catalyst may be more biocompatible than previously known. A method for forming such a biocompatible sintered polycrystalline diamond compact comprises mixing diamond powder and metal catalyst powder into a mixture and sintering the mixture under elevated temperature and pressure conditions to form a sintered compact. The sintered compact may then be leached in an acid or other solution to substantially remove the metal catalyst from the sintered compact.

Abstract: A multi- piece jewelry is disclosed where the jewelry is formed of interlockable and interchangeable circular elements. The multi-piece jewelry of this disclosure allows the user to easily assemble the elements of the jewelry in various designs without any tools. A kit comprising the elements is also disclosed to combine the elements in different ways to form a number of different designs. The jewelry of this invention may be a bracelet or ring. The kit may also comprise pendants, earrings, hair accessories or other jewelry.

Abstract: The invention relates to an aesthetic or clothing accessory (10) comprising:—at least one element (100) secured to a mounting (200),—a support (300) for the mounting (200) of the element (100), and—a means (400) for holding the accessory (10) on a garment or part of the body, the means (400) for holding the accessory (10) being secured to the support (300), the accessory (10) being characterized in that:—the mounting (200) is mounted such that it can move along a closed-loop path about an axis X-X.

Abstract: A piece of jewelry comprising a base having within it a number of diamonds, other precious stones, or costume jewelry within it, and the method of manufacturing the same.

Abstract: A method for optimizing ion exchange of glass. The glass is ion exchanged in a series of two ion exchange baths. The first ion exchange bath contains an amount of a poisoning ion or salt and the second ion exchange bath contains an amount of the poisoning ion or salt that is less than that in the first bath. When the concentration of the poisoning ion/salt in the first bath reaches a maximum value, the first bath is discarded and replaced by the second bath and a third bath that initially does not contain the poisoning cation/salt replaces the second ion exchange bath. This cycling of baths may be repeated to produce a plurality of glass articles, each having a surface layer under a compressive stress and depth of layer that are within predetermined limits.

Abstract: Systems and methods for processing lead-containing glass are generally described. In certain embodiments, at least a portion of the lead within the bulk of the lead-containing glass is removed from the lead-containing glass and transferred to a liquid leaching medium. Removal of lead from the bulk of the lead-containing glass, as opposed to the surface and areas closely adjacent to the surface of the lead-containing glass, can allow for the production of recycled glass that includes substantially no lead within its boundaries.

Abstract: Provided is an apparatus for producing a sheet glass, including: a forming device that forms a glass ribbon by allowing molten glass continuously supplied onto molten metal in a bath to flow on the molten metal; a rotary roll disposed in an outer vicinity of the bath and configured to draw the glass ribbon obliquely upward from the molten metal; and a supporting device supporting the rotary roll from below.