05th week of 2010 patent applcation highlights part 4 |
Patent application number | Title | Published |
20100024389 | NITROGEN OXIDE ESTIMATION DOWNSTREAM OF A SELECTIVE CATALYTIC REDUCTION CATALYST - A dosing control system comprises a selective catalytic reduction (SCR) analysis module, a dosing management module, an adjustment module, and an error module. The SCR analysis module estimates ammonia (NH3) stored by an SCR catalyst, a maximum NH3 storage capacity of the SCR catalyst, and a nitrogen oxides (NOx) measurement for a NOx sensor downstream of the SCR catalyst. The dosing management module controls dosing agent injection upstream of the SCR catalyst based on the maximum NH3 storage capacity and the NH3 stored. The adjustment module outputs an adjusted estimate of the NOx measurement based on the estimate of the NOx measurement, cross-sensitivity of the NOx sensor, and a delay period for exhaust flow. The error module selectively adjusts at least one of the NH3 stored and the maximum NH3 storage capacity based on a difference between the adjusted estimate and NOx measured by the NOx sensor. | 2010-02-04 |
20100024390 | APPARATUS, SYSTEM, AND METHOD FOR REDUCING NOx EMISSIONS ON AN SCR CATALYST - According to one representative embodiment, an apparatus for reducing NO | 2010-02-04 |
20100024391 | Increasing exhaust temperature for aftertreatment operation - An internal combustion engine system includes: an engine with a plurality of pistons; a variable load driven by rotary power from the engine, the load including one or more of a pump, an air conditioner; and a fan; aftertreatment equipment to control exhaust emission from the engine; a sensor to provide a sensor signal corresponding to temperature of exhaust from the engine; and a controller coupled to the sensor and operable to regulate a regeneration operation of one or more components of the aftertreatment equipment. The controller responds to the sensor signal to generate one or more control signals to adjust the variable load to increase loading of the engine and correspondingly raise the temperature of the exhaust for the regeneration operation. | 2010-02-04 |
20100024392 | METHOD FOR HEATING A CATALYTIC CONVERTER ARRANGED IN AN EXHAUST-GAS REGION OF A COMBUSTION PROCESS, AND DEVICE FOR CARRYING OUT THE METHOD - An internal combustion engine is operated with direct fuel injection into the combustion chambers. Furthermore, the internal combustion engine is operated with sub-optimum ignition angle efficiency and an apportionment of a fuel quantity, which is to be injected before the start of a combustion, into at least two partial injections. A torque loss which results from the sub-optimum ignition angle efficiency and/or from the apportionment of the fuel to be injected is compensated by means of an increased charge of the combustion chambers. The fuel quantity and the charge are coordinated with one another in such a way that the air ratio lambda of the combustion chamber charges is greater than 1. The method is characterized in that a measure for a temperature of the catalytic converter, in particular a measure for the temperature at the inlet of the catalytic converter, is determined and in that a quantity of reducing exhaust-gas constituents is increased by means of at least one intervention into the control of the internal combustion engine if the measure for the temperature exceeds a predetermined temperature threshold value. The approach according to the invention permits rapid heating of the catalytic converter, wherein the hydrocarbon emissions when the catalytic converter is cold are at the same time as low as possible. | 2010-02-04 |
20100024393 | APPARATUS, SYSTEM, AND METHOD FOR NOx SIGNAL CORRECTION IN FEEDBACK CONTROLS OF AN SCR SYSTEM - For example, according to one representative embodiment, an apparatus for reducing NO | 2010-02-04 |
20100024394 | TROUBLE DIAGNOSIS DEVICE FOR EXHAUST GAS PURIFICATION SYSTEM AND TROUBLE DIAGNOSIS METHOD FOR EXHAUST GAS PURIFICATION SYSTEM - There are provided a trouble diagnosis device and a trouble diagnosis method for an exhaust gas purification system in which the presence or absence of a trouble of the exhaust gas purification system such as abnormality of a control system for the exhaust gas purification system, catalyst deterioration or the like can be determined with high precision, and the reliability of the exhaust gas purification system can be enhanced. | 2010-02-04 |
20100024395 | CONTROL METHOD OF EXHAUST EMISSION PURIFICATION SYSTEM AND EXHAUST EMISSION PURIFICATION SYSTEM - In a control method of an exhaust emission purification system ( | 2010-02-04 |
20100024396 | HYDROCARBON RETAINING AND PURGING SYSTEM - Method and systems are provided for operating an engine having a hydrocarbon retaining system coupled to an engine exhaust and an engine intake. One example method comprises, during an engine cold start, routing exhaust gas to the hydrocarbon retaining system to store hydrocarbons in the hydrocarbon retaining system. The method further comprises, during a first purging condition where the exhaust gas is at a first temperature, purging the hydrocarbon retaining system with at least exhaust gas, and during a second purging condition where the exhaust gas is at a second temperature, said second temperature being higher than said first temperature, mixing the exhaust gas with an amount of fresh air to form a purging gas mixture, and purging the hydrocarbon retaining system with said purging gas mixture. | 2010-02-04 |
20100024397 | APPARATUS, SYSTEM, AND METHOD FOR REDUCING NOx EMISSIONS FROM AN ENGINE SYSTEM - Various embodiments of an apparatus, system, and method are disclosed for controlling NO | 2010-02-04 |
20100024398 | EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A NOx occlusion reduction type catalyst positioned in an exhaust path of an internal combustion engine, which can be used with the internal combustion engine to permit efficient use of ozone when ozone is added to an exhaust gas. A NOx oxidation gas supply device supplies air or ozone (O | 2010-02-04 |
20100024399 | EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An exhaust gas control apparatus applied to an internal combustion engine including plural cylinders and a turbocharger, wherein an exhaust passage includes first and second branch passages. The first branch passage connects exhaust sides of cylinders # | 2010-02-04 |
20100024400 | EMISSION CONTROL SYSTEM AND METHOD - A system includes an exhaust conduit configured to conduct a stream of exhaust gas, wherein the exhaust conduit comprises a selective catalytic reduction catalyst reactor comprising a first catalyst composition; an fuel source configured to introduce a fuel into the exhaust gas stream within the exhaust conduit upstream of the selective catalytic reduction catalyst reactor; a catalytic partial oxidation reformer in fluid communication with the exhaust gas stream and upstream from the selective catalytic reduction catalyst reactor, wherein the catalytic partial oxidation reformer can introduce a hydrogen-rich syngas co-reductant into the exhaust gas stream, when a temperature of the exhaust fluid is less than a determined threshold temperature. | 2010-02-04 |
20100024401 | EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE - An exhaust pipe is provided with a SCR catalyst (NOx catalyst) and an oxidation catalyst. A urea water adding valve and an exhaust gas temperature sensor are provided upstream of the SCR catalyst. A downstream NOx sensor is provided downstream of the SCR catalyst. The oxidation catalyst is provided with a catalyst temperature sensor. An ECU computes a temperature of the oxidation catalyst based on a detection value of the catalyst temperature sensor. Further, the ECU computes a temperature of exhaust gas flowing into the oxidation catalyst based on a detection value of the exhaust gas temperature sensor. The ECU detects ammonia flowing out from the SCR catalyst based on a differential temperature between the temperature of the catalyst and the temperature of the exhaust gas. | 2010-02-04 |
20100024402 | Feeding Arrangement for a Liquid Additive for an Internal-Combustion-Engine - An arrangement is provided for feeding a liquid additive from a receptacle into a fuel pipe or into an exhaust line of an internal-combustion engine of a motor vehicle. The receptacle is fillable with additive from a larger storage tank that is also accommodated in the motor vehicle by way of a connection line that can be blocked by a shut-off element. A pump is installed in the receptacle or in the connection line. A heating device for heating at least a partial volume of the additive is present in the receptacle. A blockable return line branches off into the receptacle from the connection line between the pump and the shut-off element. | 2010-02-04 |
20100024403 | High Density Storage of Ammonia - A solid ammonia storage and delivery material comprising an ammonia absorbing/desorbing solid material, said storage and delivery material having been compacted to a density above 50% of the theoretic skeleton density provides a solid ammonia storage material which is easy to produce and handle and has a very high density of stored ammonia which is readily released under controlled conditions even though the porosity of the material is very low, and which storage material is safe for storage and transport of ammonia without special safety measures. | 2010-02-04 |
20100024404 | EXHAUST GAS FLOW REGULATOR - The invention relates to an exhaust gas flow regulator installed in an exhaust pipeline and to an exhaust pipeline with such an regulator installed therein. The invention also relates to the manufacture and use of the exhaust gas flow regulator and the exhaust pipeline. The exhaust gas flow regulator ( | 2010-02-04 |
20100024405 | EXHAUST GAS FLOW EQUALIZER - The invention relates to an exhaust gas flow equalizer installed in an exhaust manifold and to an exhaust manifold with such an equalizer installed therein. The invention also relates to the manufacture and use of the exhaust gas flow equalizer and the exhaust manifold. The exhaust gas flow equalizer ( | 2010-02-04 |
20100024406 | Liquid Injector Assembly with a Flanged Connector Connection - A system for injecting from an injector into a duct of an engine system is provided. The system may include a first flange on a duct connection side, a second flange on an injector connection side, a stand-off separating the first flange from the second flange to form an air gap therebetween, and a seal offset from at least one of the first and the second flanges and located within the airgap and between the first flange and the second flange. | 2010-02-04 |
20100024407 | Emissions control filter assembly and system - A removable exhaust treatment unit for an aftertreatment assembly is provided. The removable exhaust treatment unit include a housing, at least one exhaust treatment element coupled within the housing, and a flange on one end of the housing. The removable exhaust treatment unit also includes a plurality of apertures on the flange configured to receive a plurality of fasteners. The removable exhaust treatment unit further includes at least one handle coupled to the flange. | 2010-02-04 |
20100024408 | EXHAUST GAS COOLING APPARATUS - An exhaust gas cooling apparatus comprising a cooling chamber, primary distribution tube, cooling fan, and transfer fan; the cooling chamber is mounted on the side of a tractor; the cooling fan is installed in the rear end of the cooling chamber; the cooling chamber comprises a plurality of longitudinal apertures through which ambient air travels and a plurality of baffle chambers through which exhaust gas travels; the exhaust gas never mixes with the ambient air in the cooling chamber; the exhaust gas travels through the exit port of the cooling chamber into a primary distribution tube that carries the exhaust gas to a transfer fan; the transfer fan blows the exhaust gas into a plurality of secondary distribution tubes that transport the exhaust gas to a plurality of manifolds; and the exhaust gas travels from the manifolds through a plurality of tertiary distribution tubes and into the ground. | 2010-02-04 |
20100024409 | CONTROL SYSTEM FOR VARIABLE DISPLACEMENT PUMP-MOTOR TYPE TRANSMISSION - A control system for a variable displacement pump-motor type transmission includes: a judging mechanism judging a fact that the discharging amount of any one of the variable displacement pump-motors is zero; and a speed change controller carrying out a control to disable one of the transmission mechanism to transmit the power from the prime mover to the output member by actuating a synchronizer, in case the judging mechanism judges that the discharging amount of the one of the pump-motors functioning to transmit the power from the prime mover to the output member through the one of the transmission mechanism is zero. The control system can carry out a speed change operation of a variable displacement pump-motor type transmission without raising the speed of the prime mover abruptly, by judging a fixed stage set by locking one of the pump-motors. | 2010-02-04 |
20100024410 | Hydraulic system having regeneration modulation - A hydraulic system for a machine is disclosed. The hydraulic system may have an actuator with a first chamber and a second chamber. The hydraulic system may also have a first valve, a second valve, a third valve, and an operator input device displaceable from a neutral position to generate a signal indicative of a desired movement of the actuator. The hydraulic system may further have a controller configured to open the first and third valves by amounts related to the signal to pass fluid, and open the second valve by an amount related to the signal to pass fluid when the signal indicates a desire for increased actuator velocity. The third valve may continue to open during opening of the second valve. | 2010-02-04 |
20100024411 | Hydraulic system having automated ride control activation - A hydraulic system for a mobile machine having an implement is disclosed. The hydraulic system may have a hydraulic actuator configured to move the implement, a storage device configured to store pressurized fluid, and a valve operable to fluidly communicate the storage device with the hydraulic actuator. The hydraulic system may also have a sensor associated with the mobile machine to generate a signal indicative of a speed of the mobile machine, and a controller in communication with the valve and the sensor. The controller may be configured to compare the speed of the mobile machine to a setpoint and to determine an amount of time elapsed while the speed of the mobile machine exceeds the setpoint. The controller may further be configured to selectively operate the valve to fluidly communicate the storage device with the actuator based on the elapsed amount of time and the speed to cushion movement of the implement. | 2010-02-04 |
20100024412 | Control Apparatus for Working Vehicle - There are provided: a travel circuit HC | 2010-02-04 |
20100024413 | ENGINE FOR ENERGY CONVERSION - An engine is powered by a hot liquid zone and a cold liquid zone. A plurality of fluid-tight containers, each which contains a working fluid which expands when exposed to the hot liquid zone and contracts when exposed to the cold liquid zone, are attached to a loop which rotates over sprockets attached to shafts. The difference in the buoyant forces acting on the containers exposed to the hot liquid zone versus the buoyant forces acting on the containers exposed to the cold liquid zone produces motion in the loop which imparts rotational kinetic energy to the shafts. | 2010-02-04 |
20100024414 | Turbocharger having balance valve, wastegate, and common actuator - A turbocharger for a use with a combustion engine is provided. The turbocharger may have a turbine housing with a first volute, a second volute, and a common outlet. The turbocharger may also have a turbine wheel disposed between the common outlet and the first and second volutes. The turbocharger may further have a first valve configured to selectively fluidly communicate the first volute with the second volute upstream of the turbine wheel, a second valve configured to selectively fluidly communicate the second volute with the common outlet to bypass the turbine wheel, and a common actuator configured to move the first and second valves. | 2010-02-04 |
20100024415 | VARIABLE TURBO SUPERCHARGER AND METHOD OF DRIVING THE SAME - A hydraulic servo drive device for driving a slide mechanism of a variable geometry turbocharger includes a servo piston connected to a driveshaft of the slide mechanism and a pilot spool that is accommodated in a center hole of the servo piston and slides by pilot pressure. A first hydraulic chamber and a second hydraulic chamber to and from which pressure oil flows are provided in a housing. The servo piston separately includes a pressure port for introducing pressure oil from an outside, a first piston port for intercommunicating the center hole and the first hydraulic chamber, a second piston port for intercommunicating the center hole and the second hydraulic chamber, and a return port for exiting pressure oil. | 2010-02-04 |
20100024416 | Exhaust system having parallel asymmetric turbochargers and EGR - An exhaust system for a use with a combustion engine is provided. The exhaust system may have a first exhaust manifold configured to receive exhaust from the engine, and a first turbocharger driven by exhaust from the first exhaust manifold. The exhaust system may also have a second exhaust manifold configured to receive exhaust from the engine in parallel with the first exhaust manifold, and a second turbocharger driven by exhaust from the second exhaust manifold and having a different flow capacity than the first turbocharger. The exhaust system may further have an exhaust gas recirculation circuit in fluid communication with the second exhaust manifold. | 2010-02-04 |
20100024417 | Exhaust system having 3-way valve - An exhaust system for a use with a combustion engine is provided. The exhaust system may have a first exhaust manifold, a second exhaust manifold, and an exhaust gas recirculation circuit. The exhaust system may also have a fixed geometry turbocharger with a first volute configured to receive exhaust from the first exhaust manifold, and a second volute configured to receive exhaust from the second exhaust manifold. The exhaust system may also have a recirculation control valve in fluid communication with the first exhaust manifold, the second exhaust manifold and the exhaust gas recirculation circuit. The recirculation control valve may have a valve element movable to selectively adjust a flow of exhaust in the exhaust gas recirculation circuit, the first volute, and the second volute. | 2010-02-04 |
20100024418 | CONTROL SYSTEM AND METHOD FOR TRANSITIONING BETWEEN POSITION CONTROL AND FORCE CONTROL FOR MULTI-STAGE TURBO ENGINE TURBINE BYPASS VALVE - A control system comprising a current control module and a force control module. The current control module selectively supplies a current to a turbine bypass valve (TBV) to adjust the TBV to a predetermined position. The force control module selectively adjusts the current in response to a determination that an actual TBV position is less than a predetermined distance from the predetermined position. | 2010-02-04 |
20100024419 | Exhaust system having series turbochargers and EGR - An exhaust system for a use with a combustion engine is provided. The exhaust system may have a first exhaust manifold configured to receive exhaust from the engine, a second exhaust manifold configured to receive exhaust from the engine in parallel with the first exhaust manifold, and an exhaust gas recirculation circuit in fluid communication with only the first exhaust manifold. The exhaust system may also have a first turbocharger having dual volutes configured to simultaneously receive exhaust from the first exhaust manifold and the second exhaust manifold, and a second turbocharger configured to receive exhaust from the first turbocharger and compress air directed into the engine. | 2010-02-04 |
20100024420 | PYROTECHNIC ACTUATOR WITH FILTER - A pyrotechnic actuator is provided for an active hood that encompasses an installation site for a gas generator, a cylinder incorporating a moving piston and a compressed gas line that joins the installation site with the cylinder. A filter body for trapping particles from the gas stream of the gas generator is arranged on the compressed gas line. | 2010-02-04 |
20100024421 | SUPERCRITICAL CO2 TURBINE FOR USE IN SOLAR POWER PLANTS - A solar-powered supercritical carbon dioxide turbine system includes a supercritical carbon dioxide turbine system and a solar heating system. The solar heating system has a molten salt heat transfer fluid for providing thermal energy to the supercritical carbon dioxide turbine system. | 2010-02-04 |
20100024422 | Floating solar energy conversion and storage apparatus - A solar energy conversion and storage apparatus floats on a body of water and confines and stores a large quantity of solar-heated water for producing electricity with a closed-cycle heat engine. An expansive horizontal structure parallel to the surface of the water confines one or more horizontal layers of water, a distributed array of heat transfer structures gathers solar energy and imparts it to the confined water, and one or more heat engines produce electricity utilizing the temperature differential between the confined water and ambient water. The heat transfer structures can be configured to transfer solar energy to the confined water using a convective process; and some or all of the heat transfer structures can be configured to transfer solar energy to the stored water using a distillation process that optionally produces distilled water as a by-product. | 2010-02-04 |
20100024423 | Osmotic Heat Engine - A method of converting thermal energy into mechanical work that uses a semi-permeable membrane to convert osmotic pressure into electrical power. A closed cycle pressure-retarded osmosis (PRO) process known as an osmotic heat engine (OHE) uses a concentrated ammonia-carbon dioxide draw solution to create high osmotic pressures which generate water flux through a semi-permeable membrane against a hydraulic pressure gradient. The depressurization of the increased draw solution volume in a turbine produces electrical power. The process is maintained in steady state operation through the separation of the diluted draw solution into a re-concentrated draw solution and deionized water working fluid, both for reuse in the osmotic heat engine. | 2010-02-04 |
20100024424 | CONDENSER FOR A COMBINED CYCLE POWER PLANT - A combined cycle power plant includes a steam turbine section having an inlet section and an outlet section. The steam turbine section passes steam from the inlet section toward the outlet section. The combined cycle power plant also includes a condenser fluidly connected to the outlet section of the steam turbine section. The condenser includes a plurality of heat pipes configured to extract latent heat from steam passing from the steam turbine section to form condensed water. | 2010-02-04 |
20100024425 | TURBINE ENGINE FUEL NOZZLE - A fuel nozzle for a gas turbine combustor that includes an extended flange. At a first end, the extended flange may be configured to engage an end cover, thereby securing the position of the fuel nozzle within the combustor. At a second end, the extended flange may be configured to engage a swozzle, within which a supply of fuel and compressed air is mixed during the operation of the combustor. The extended flange may be formed as a single piece. | 2010-02-04 |
20100024426 | Hybrid Fuel Nozzle - A hybrid fuel combustion nozzle for use with natural gas, syngas, or other types of fuels. The hybrid fuel combustion nozzle may include a natural gas system with a number of swozzle vanes and a syngas system with a number of co-annular fuel tubes. | 2010-02-04 |
20100024427 | PRECISION COUNTER-SWIRL COMBUSTOR - A precision counter-swirl combustor that includes an annular combustor having a forward end, an aft end opposite the forward end, and an interior. The aft end being proximal to a gas turbine. The combustor further includes a fuel inlet and swirler operatively connected to the forward end and at least one air inlet. The air inlet is equipped with a chute that extends into the interior of said combustor. The combustor is secured to a fixed structure proximate the forward end of the combustor. | 2010-02-04 |
20100024428 | Rocket Apparatus and/or Method - A rocket motor for one or more of limited re-use or single use, including a rocket motor housing, the motor housing adapted to contain propellant; an aft closure with a nozzle, the aft closure connected or connectable to the housing; a forward closure connected or connectable to the housing; wherein one or both of the aft closure and the forward closure are connectable to the housing in manner adapted for one or both of limited re-use or single use. | 2010-02-04 |
20100024429 | APPARATUS, SYSTEM AND METHOD FOR HEATING FUEL GAS USING GAS TURBINE EXHAUST - An apparatus, a system and a method by which fuel gas to drive a heat source is heated are provided. The apparatus includes a first gas passage by which at least a portion of the fuel gas is transported from an inlet to an outlet, the outlet being fluidly coupled to the heat source, a plurality of heat pipes in thermal communication, at respective first ends thereof, with the portion of the fuel gas transported by the first gas passage, and a heating element, fluidly coupled to the heat source to receive exhaust of the heat source, through which respective second ends of the heat pipes extend to be in position to be heated by the exhaust. | 2010-02-04 |
20100024430 | METHOD FOR OPERATING A FIRING SYSTEM - A method for operating a firing system with a combustion chamber, in which a fuel is preheated and is supplied in the preheated state for combustion in the combustion chamber. The preheated temperature of the fuel is set higher for a part load of the firing system than with a basic load. In addition, the preheated temperature of the fuel is set using a variable obtained from the combustion in particular a load of the firing system. A firing system is also provided. | 2010-02-04 |
20100024431 | METHOD OF DETECTING A PARTIAL FLAME FAILURE IN A GAS TURBINE ENGINE AND A GAS TURBINE ENGINE - A method of detecting a partial flame failure in a gas turbine is provided. The method includes a gas duct to guide a propulsion gas and several combustors, each combustor leads into the gas duct and includes a burner. The method includes measuring a first temperature over time at each of at least two probing points located downstream from the combustors in the gas duct, measuring a second temperature over time in each of at least two of the burners, and detecting a partial flame failure from the first temperature measurements and the second temperature measurements, wherein the detecting of a partial flame failure includes determining a first detection parameter, the first detection parameter is determined from a rate of change of a variation between the first temperature measurements at different probing points. A gas turbine including temperature sensors to detect a partial flame failure is also provided. | 2010-02-04 |
20100024432 | Method for improved efficiency for IGCC - A system and a method for improving the thermal efficiency for power production from coal is provided. The system utilizes a gasifier reactor for the conversion of coal to a hot high-pressure fuel gas wherein the fuel gas contains carbon monoxide and hydrogen. The system includes a flow chamber to mix the fuel gas with an oxygen-containing gas to produce a combusted fuel rich product gas that is then passed to a turbine engine connected to the flow chamber. The turbine engine defines a turbine exhaust duct to feed exhaust gas to a reheat combustor and a heat recovery boiler connected to the reheat combustor provides steam to a steam turbine system. | 2010-02-04 |
20100024433 | SYSTEM AND METHOD OF OPERATING A GAS TURBINE ENGINE WITH AN ALTERNATIVE WORKING FLUID - A gas turbine engine system is provided. The gas turbine engine system includes a gas turbine engine, an exhaust gas conditioning system, and a sequestration chamber. The gas turbine engine includes at least one compressor, at least one combustion chamber downstream from the compressor, and at least one turbine downstream from the combustion chamber. The combustion chamber is coupled in flow communication to a source of hydrocarbonaceous fuel and to a source of oxygen. The gas turbine engine is operable with a working fluid that is substantially nitrogen-free. The exhaust gas conditioning system is coupled between a discharge outlet and an inlet of the gas turbine engine. The exhaust gas conditioning system receives all of the exhaust discharged from the gas turbine engine. The sequestration chamber stores carbon dioxide and is coupled to the gas turbine engine for receiving working fluid bled from the turbine upstream from combustion chamber. | 2010-02-04 |
20100024434 | Gas turbine engine arrangement - A gas turbine engine arrangement ( | 2010-02-04 |
20100024435 | NACELLE FOR TURBOFAN - The nacelle of the invention includes an air-inlet front section, a middle section for encasing the fan of the turbofan ( | 2010-02-04 |
20100024436 | DOWNHOLE TOOL WITH THIN FILM THERMOELECTRIC COOLING - Apparatus and method for cooling a die downhole are disclosed. The apparatus includes a semiconductor die. A thin film thermoelectric cooling layer is coupled to the semiconductor die, and a heat spreader is coupled to the thin film thermoelectric cooling layer. A method includes conveying a semiconductor die on a carrier to a downhole location and activating a thin film thermoelectric cooling layer coupled to the semiconductor die. The method further includes pumping heat from the thin film thermoelectric cooling layer using a heat spreader coupled to the thin film thermoelectric cooling layer. | 2010-02-04 |
20100024437 | High temperature compact thermoelectric module with gapless eggcrate - A high-temperature thermoelectric module. The module includes a two part molded egg-crate for holding in place and providing insulation and electrical connections for a number of thermoelectric n-legs and p-legs. A first part of the egg-crate is comprised of a ceramic material capable of operation at temperatures in excess of 600° C. and a second part comprised of a thermoplastic material having very low thermal conductivity. In preferred embodiments the high temperature ceramic is zirconia and the thermoplastic material is DuPont Zenite. The thermoelectric legs are also comprised of high-temperature and low-temperature material. In preferred embodiments the high temperature thermoelectric material is lead telluride and the low temperature material is bismuth telluride. In preferred embodiments metal felt spacers are provided in each leg to maintain proper electrical contacts notwithstanding substantial temperature variations. Preferably the module is sealed in an inert gas filled insulating capsule. | 2010-02-04 |
20100024438 | Cooling assembly for cooling a thermal body for an aircraft - A cooling assembly for cooling a thermal body for an aircraft. The cooling assembly has a Peltier element with a hot side and a cold side. Furthermore, the cooling assembly has a thermal body. The thermal body is arranged in heat-conductive contact with the cold side of the Peltier element. The hot side of the Peltier element is adapted to dissipate thermal energy to an aircraft structure, such that the thermal body may be cooled. | 2010-02-04 |
20100024439 | Cooling Device - A cooling device is in the form of a refrigerator or a point-of-sale display cabinet that is open on one side and is used to store and present perishable goods. The device is fitted with a unit for lowering the interior temperature in relation to the ambient temperature. The inner wall is constructed in two stages, the outer layer consisting of a thermal insulation layer having a heat conductivity <1 Watt/K, and the inner layer consisting of an at least partially coated mixture consisting of a phase transition material and graphite, which covers at least part of the inner wall and is used as a cold accumulator layer. | 2010-02-04 |
20100024440 | Flow Control of a Cryogenic Element to Remove Heat - A system provides the flow control of a cryogenic element to remove heat from an environment. The system includes a cryogenic storage to store a cryogen; a cryogenic delivery system coupled to the cryogenic storage to transport the cryogen; a distributor coupled to the cryogenic delivery system, the distributor having a plurality of distribution lead tubes to evenly distribute the enthalpic potential of the cryogenic element; and a heat exchanger coupled to the distribution lead tubes. | 2010-02-04 |
20100024441 | Dry ice vaporizing device and method - A dry ice vaporizing device includes: a container having a vapor permeable surface and a closeable entrance configured to be locked closed, an external implement configured to unlock the closeable entrance, and dry ice located inside the container. The vapor permeable surface includes a plurality of holes each having a hole dimension less than approximately 4 mm. The container is configured, when the closeable entrance is locked closed, to prevent the passage of dry ice pieces having dimensions larger than the hole dimension. | 2010-02-04 |
20100024442 | ICEMAKER REFRIGERATOR PROVIDED THEREWITH AND ICE MAKING METHOD - An icemaker for a refrigerator is provided that includes a mold container which may be filled with water, an air space adjacent to a water level in the mold container, and an air humidifying device for increasing the level of humidity in the air above the water level. Water is administered to the mold container and is cooled and ice crystals form when a given crystallization temperature of the water of below zero degrees C is reached. | 2010-02-04 |
20100024443 | HEAT RECOVERY SYSTEM - A heat recovery system for a turbomachine system includes a heat removal system and a refrigeration system. The heat removal system is fluidly connected to at least one component of the turbomachine system. The heat removal system passes a cooling fluid through the at least one component to absorb heat. The refrigeration system is operatively connected to the heat removal system. The refrigeration system extracts the heat from the cooling fluid passing through the at least one component of the turbomachine system to produce a cooling effect. | 2010-02-04 |
20100024444 | HEAT RECOVERY SYSTEM FOR A TURBOMACHINE AND METHOD OF OPERATING A HEAT RECOVERY STEAM SYSTEM FOR A TURBOMACHINE - A heat recovery system includes a source of waste heat, and a refrigeration system operatively connected to the source of waste heat. The refrigeration system is capable of extracting heat rejected from the source of waste heat to form a cooling medium. | 2010-02-04 |
20100024445 | SIMULTANEOUSLY PROVIDING RENEWABLE POWER AND COOLING FOR DATA CENTER OPERATION - A method of cooling a data center can include: extracting compressed air from a storage vessel or process stream, expanding the air to lower a pressure of the air, with the ratio of the pressure of air after expansion to the pressure of air before expansion being the critical pressure ratio, defining choked flow, providing a constant mass rate of cooling air, thus lowering a temperature of the air; and dispersing the expanded air through a heat sink onto a microprocessor or other heat generating component of a server or a storage device, thus cooling the microprocessor or the other heat generating component of the server or the storage device. | 2010-02-04 |
20100024446 | REFRIGERATED MERCHANDISER WITH DUAL AIR CURTAIN - A refrigerated merchandiser including a case defining a product display area, and a shelf supported by the case within the product display area. The case includes a base that is disposed below the product display area and a canopy that is disposed substantially above the product display area. The shelf includes an air discharge duct that is configured to direct a first air curtain generally downward from the shelf into the product display area toward the base, and an air return duct that is configured to receive at least a portion of a second air curtain discharged into the product display area from above the shelf. | 2010-02-04 |
20100024447 | DUAL GAS AND HOT LIQUID ABSORPTION CHILLER ASSEMBLY - An absorption chiller assembly ( | 2010-02-04 |
20100024448 | HEAT EXCHANGER - This invention relates to the field of heat-driven cooling devices, heat pumps or thermal transformers, in particular to those devices, known as sorption devices, which employ an ad- or absorbent material as a chemical compressor to raise the pressure of a refrigerant gas. This invention is particularly concerned with a heat exchanger suitable for use as a generator in a sorption device. Embodiments of the invention provide a heat exchanger comprising: a plurality of stacked plate members each plate member being provided with at least one fluid channel therein, each plate member having a channel inlet and a channel outlet associated with each channel of the plate member; a plurality of chambers, the chambers being provided between opposed major faces of respective adjacent plate members, the chambers containing a sorbent material; a thermal fluid inlet in communication with a plurality of the channel inlets and a thermal fluid outlet in communication with a plurality of the channel outlets; and a sorbate inlet and a sorbate outlet in communication with each of the chambers, the fluid channels being provided in fluid isolation from the chambers. | 2010-02-04 |
20100024449 | Method for controlling hot water circulation system associated with heat pump - Disclosed is a method for controlling a hot water circulation system associated with a heat pump. The present invention gives a freezing burst prevention operation function to a water-refrigerant heat-exchanger which performs heat exchange between a refrigerant and water, making it possible to remove a phenomenon that the water-refrigerant heat-exchanger installed out of the space where a user lives is frozen to be damaged. | 2010-02-04 |
20100024450 | MULTI TEMPERATURE CONTROL SYSTEM - An environmentally controlled shipping container including a storage space, a first environmentally controlled space within the storage space, a second environmentally controlled space within the storage space, and a transport refrigeration unit. The transport refrigeration unit including a compressor that provides a flow of refrigerant, a condenser that receives the flow of refrigerant from the compressor, a first evaporator positioned within the first environmentally controlled space and in fluid communication with the condenser, a second evaporator positioned within the second environmentally controlled space and in fluid communication with the condenser, and a pressure regulator associated with the first evaporator. The pressure regulator selectively restricts the flow of refrigerant from the first evaporator to the compressor such that the flow of refrigerant from the first evaporator to the compressor is substantially equal to the flow of refrigerant from the second evaporator to the compressor. | 2010-02-04 |
20100024451 | Refrigeration Hot Gas Desuperheater Systems - A system for desuperheating hot gaseous refrigerant using both a heat exchanger and a dispersed Venturi-driven injection of liquid refrigerant is disclosed. Further, a system, relating to cooling at least one compressed superheated refrigerant fluid prior to condensing, relating to extending the life of at least one condenser is disclosed. | 2010-02-04 |
20100024452 | MICRO-CHANNEL EVAPORATOR WITH FROST DETECTION AND CONTROL - A refrigerant vapor compression system includes an evaporator having a plurality of longitudinally extending, flattened heat exchange tubes disposed in parallel, spaced relationship. Each of the heat exchange tubes has a flattened cross-section and defining a plurality of discrete, longitudinally extending refrigerant flow passages. One or more frost detection sensor(s) is/are installed in operative association with the evaporator for detecting a presence of frost/ice formation on at one of the flattened heat exchange tubes and associated heat transfer fins. A defrost system is provided and operatively associated with the evaporator heat exchanger A controller, operatively coupled to the frost detection sensor(s) and to the defrost system, selectively activates the defrost system to initiate a defrost cycle of the evaporator in response to the signal indicative of the presence of frost formation on the flattened heat exchange tubes and heat transfer fins. | 2010-02-04 |
20100024453 | Refrigeration cycle device - A mixed refrigerant including a plurality of component refrigerants circulates in a refrigeration cycle device. An expansion valve includes a power element. A filled fluid filled in the power element is one component refrigerant in the plurality of component refrigerants. A slope of a saturated vapor pressure curve of the filled fluid is larger than the slope of the saturated vapor pressure curve SV | 2010-02-04 |
20100024454 | REFRIGERATION APPARATUS - For cooling operation, a refrigeration apparatus ( | 2010-02-04 |
20100024455 | DYNAMIC SUPERHEAT CONTROL FOR HIGH EFFICIENCY REFRIGERATION SYSTEM - A vapor compression refrigeration system including components capable of determining the superheat at a compressor inlet is provided. The vapor compression refrigeration system may include sensors capable of making measurements from which the superheat at the compressor inlet may be determined. The vapor compression refrigeration system may be operable to compare the determined superheat level at the inlet to the compressor to a desired superheat level and generate a new evaporator discharge superheat level target for one or more evaporators operatively interconnected to the compressor to affect the superheat at the compressor inlet. The vapor compression refrigeration system may be operable to broadcast the new evaporator discharge superheat level target to the one or more evaporators over a communications bus. The vapor compression refrigeration system may update and broadcast the evaporator discharge superheat level target at programmed intervals. | 2010-02-04 |
20100024456 | TURBO CHILLER AND CONTROL METHOD THEREFOR - A turbo chiller equipped with a high-efficiency two-stage turbo compressor is provided. In a turbo chiller including a control unit for controlling the degrees of opening of first inlet guide vanes of a first impeller and second inlet guide vanes of a second impeller, the control unit has a slave mode in which the second inlet guide vanes are operated so as to be dependent on the first inlet guide vanes in a slave-mode priority region, and an independent mode in which the degree of opening of the second inlet guide vanes is increased independently of the first inlet guide vanes in an independent-mode priority region. | 2010-02-04 |
20100024457 | INVERTER SYSTEM FOR ON-VEHICLE AIR CONDITIONER - The present invention has an object to provide an on-vehicle air conditioner that can prevent breakage or the like caused by applying a high voltage. In an inverter system | 2010-02-04 |
20100024458 | Air Conditioning and/or Heating System With An Assembled Housing - The invention relates to an air conditioning and/or heating system ( | 2010-02-04 |
20100024459 | Cover for a Wall-Mounted Packaged Terminal Air Conditioning (PTAC) Unit - Embodiments of the present invention provide a cover for a Packaged Terminal Air Conditioning (PTAC) unit. Embodiments of the cover include a gasket on an interior portion of the cover sealing against a portion of the PTAC unit to prevent air recirculation. Other embodiments of the cover include a screen configured to capture large debris. Other embodiments of the cover include solid wood panels with stain and lacquer on both sides of the panels. | 2010-02-04 |
20100024460 | REFRIGERATOR WITH AN ICE MAKER - A refrigerator s provided that includes a cooling chamber and an ice maker arranged in the cooling chamber. The ice maker is equipped with an ice container for accommodating the prepared ice. The ice container has a water-draining surface configured for draining water from the prepared ice. | 2010-02-04 |
20100024461 | REFRIGERATION DEVICE COMPRISING AN ICE DISPENSER, AND CORRESPONDING ASSEMBLY - A refrigeration device is provided that includes a housing enclosing an interior and an assembly in the interior having a storage compartment for chunks of ice and a stirrer. The stirrer is rotatable about an axis that extends through the storage compartment to move chunks of ice contained in the storage compartment in relation to each other and to move ice towards a dispensing passage that extends through the housing. A closable flap is interposed between the storage compartment and the dispensing passage. | 2010-02-04 |
20100024462 | REFRIGERATOR, AND ELECTRIC DEVICE - The refrigerator includes a vegetable compartment ( | 2010-02-04 |
20100024463 | REFRIGERATOR - By means of a storage box structure according to the preferred embodiment of the present invention, the process installing the storage box into the storage space is easily accomplished and productivity of the product is obtained, and the inside of the storage box is partitioned, and therefore there is an advantage in that the usage of the storage space is increased. | 2010-02-04 |
20100024464 | Refrigerator - Disclosed is a refrigerator including a refrigerator door; a home bar storage compartment provided within the refrigerator door; and a home bar door to open and close the home bar storage compartment. The home bar door including a case provided with an opening formed through the front surface thereof to fill the inside of the case with a foaming agent through the opening, and a front panel provided on the front surface of the case and attached directly to the foaming agent. | 2010-02-04 |
20100024465 | Air Flow Control Method and System - An integrated airflow control facility for force cooling of produce in a cool room ( | 2010-02-04 |
20100024466 | REFRIGERATOR - A refrigerator is disclosed. The refrigerator includes a main body having a storage space provided with an opening, and doors by which the opening is opened or closed; a voice input section for inputting speech through an interior voice input unit installed at the inside of the main body and an exterior voice input unit installed at the outside of the main body; a control unit for controlling the state of the refrigerator by analyzing the inputted speech; and an output section displaying the state information of the refrigerator. Accordingly, since the state and the operation of the refrigerator are controlled by receiving a control command by speech, it is capable of reducing a user's inconvenience due to manipulation of the control panel. And, since a voice input unit is provided at each of the inside and the outside of the main body, respectively, it is capable of receiving a control command by speech input regardless of whether the door is opened or closed, thereby providing convenience for the user. | 2010-02-04 |
20100024467 | SCROLL COMPRESSOR AND AIR CONDITIONER - A scroll compressor and an air conditioner in which improvement of performance is achieved by a gas injection cycle and increase in manufacturing cost is prevented are provided. A scroll compressor includes a fixed scroll ( | 2010-02-04 |
20100024468 | REFRIGERATION UNIT COMPRISING A MICRO CHANNEL HEAT EXCHANGER - The present disclosure provides a refrigeration unit that can be used in a transport cooling application. The unit comprises a micro-channel heat exchanger (MCHX), a compressor, an evaporator, and a thermostatic expansion valve. The MCHX is coated with an acrylic composition. | 2010-02-04 |
20100024469 | Refrigerating cycle apparatus - A refrigerating cycle apparatus includes a circulation refrigerant, a compressor, a condenser, an expansion valve, an evaporator, and an internal heat exchanger. The internal heat exchanger is disposed to perform heat exchange between a high pressure circulation refrigerant flowing from the condenser to the expansion valve and a low pressure circulation refrigerant flowing from the evaporator and the compressor. The circulation refrigerant has a property indicating an isentropic line having a gradient greater than a gradient of an isentropic line of a R134a refrigerant and a saturation characteristic curve having a two-phase region enthalpy width smaller than a two-phase region enthalpy width of the R134a refrigerant, on a p-h chart. | 2010-02-04 |
20100024470 | REFRIGERANT INJECTION ABOVE CRITICAL POINT IN A TRANSCRITICAL REFRIGERANT SYSTEM - A refrigerant system operates in a transcritical regime. An economizer circuit is incorporated into the refrigerant system, and includes an economizer injection line for refrigerant injection above the critical point. In one of the disclosed embodiments, the refrigerant utilized is CO | 2010-02-04 |
20100024471 | METHOD AND SYSTEM FOR EXTRACTING CARBON DIOXIDE BY ANTI-SUBLIMATION AT RAISED PRESSURE - A method for removal of CO2 from a gas stream by anti-sublimation, comprising the steps of: a) introducing a gas stream containing CO2 into a frosting vessel; b) reducing the temperature of at least a portion of the gas stream in said frosting vessel to a temperature at which solid CO2 is deposited by anti-sublimation; c) discharging the gas stream depleted of CO2 from the frosting vessel; and d) recovering the deposited solid CO2; wherein the pressure of the gas stream in step b) is higher than atmospheric pressure. An anti-sublimation system for removal of CO2 from a gas stream, comprising: a frosting vessel configured to receive the gas stream, said frosting vessel comprising a low temperature refrigeration device configured for reducing the temperature of at least a portion of a gas stream in said frosting vessel to a temperature at which solid CO2 is deposited by anti-sublimation; and a compressor configured to increase the gas pressure of the gas stream which is fed to the frosting vessel. | 2010-02-04 |
20100024472 | Removing Contaminants from Natural Gas - A process is described for removing contaminants from a natural gas feed stream including water. The process includes the steps of cooling the natural gas feed stream in a first vessel to a first operating temperature at which hydrates are formed, heating the hydrates to a temperature that is above the first operating temperature by introducing a warm liquid to the first vessel so as to melt the hydrates and liberate a dehydrated gas and a water-containing liquid, and removing from the first vessel a stream of dehydrated gas. | 2010-02-04 |
20100024473 | Configurations And Methods of RVP Control For C5+ Condensates - Controlled RVP C5+ products are produced from feed gas in configurations and methods in which a heavier portion of the feed gas is fractionated into several streams having distinct RVP and in which a C5+ stream is produced from the lighter portion of the feed gas. The so formed streams are then combined to produce C5+ products with controlled RVP. Thus, RVP control is achieved without the need for external products for blending process streams derived from the feed gas. | 2010-02-04 |
20100024474 | METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM - Method of cooling a hydrocarbon stream ( | 2010-02-04 |
20100024475 | Natural Gas Liquefaction System with Turbine Expander and Liquefaction Method Thereof - A natural gas liquefaction system with a turbine expander is provided that can improve the efficiency of the whole refrigeration cycle by using the turbine expander, instead of the throttling process that uses the conventional Joule-Thomson throttling valve that is used as a final throttling means in a conventional natural gas liquefaction system, and a liquefaction method thereof. The natural gas liquefaction cycle provided with the turbine expander of the present invention comprises a compressor | 2010-02-04 |
20100024476 | RECOVERY OF CARBON DIOXIDE FROM FLUE GAS - Carbon dioxide-containing gas such as flue gas and a carbon dioxide-rich stream are compressed and the combined streams are then treated to desorb moisture onto adsorbent beds and then subjected to subambient-temperature processing to produce a carbon dioxide product stream and a vent stream. The vent stream is treated to produce a carbon dioxide-depleted stream which can be used to desorb moisture from the beds, and a carbon dioxide-rich stream which is combined with the carbon dioxide-containing gas. | 2010-02-04 |
20100024477 | Integrated NGL Recovery And Liquefied Natural Gas Production - The separation of methane from an admixture ( | 2010-02-04 |
20100024478 | PROCESS AND DEVICE FOR RECOVERING ARGON BY LOW-TEMPERATURE SEPARATION OF AIR - The process and the device are used for recovering argon by low-temperature separation of air. Process air ( | 2010-02-04 |
20100024479 | FASTENER FOR SECURING JEWELRY ITEM - Disclosed is a fastener for securing a jewelry item to an article. The fastener includes a plate and a guide member. The plate includes a first face, a second face opposite to the first face and a groove extending up to a predetermined distance from the first face towards the second face. The groove is configured to receive a pin of the jewelry item for securing the jewelry item to the plate. The groove includes a first portion and a second portion extending from the first portion. The first portion of the groove is flared. The guide member is disposed on the first portion of the groove. The guide member is configured to guide the pin of the jewelry item towards the second portion of the groove. | 2010-02-04 |
20100024480 | IRIS SHUTTER CASE FOR DISPLAYING A DECORATIVE OBJECT - An iris shutter case is disclosed for securely housing, protecting and displaying a decorative object while providing an elegant design that adds to the aesthetic appearance of the decorative object. The iris shutter case includes a container in which a decorative object, such as a piece of jewelry, can be securely fitted, and an openable and closable iris shutter assembly that alternatively reveals and conceals a contained decorative object from view. The container houses and protects the decorative object, and resembles a disc or a sphere in preferred embodiments. The iris shutter assembly is operated by a drive mechanism to display or conceal the decorative object. In preferred embodiments, the iris shutter assembly is a leaf and pin shutter assembly, and the drive mechanism is a drive ring with protruding lug handles which rotates relative to a master ring so as to open and close the iris shutter assembly. | 2010-02-04 |
20100024481 | Method for Producing Layered Rings - A ring formed of a first gold layer and second silver layer wherein the silver layer is more than fifty percent of the ring weight. The layers are bonded together with the gold layer on a portion of the outer surface to give an appearance of a ring formed entirely of gold. A method for fabricating the ring is also provided. | 2010-02-04 |
20100024482 | INTERTWINED-BRAIDLIKE JEWELLERY AND METHOD OF MAKING THE SAME - The present invention generally relates to jewellery making and particularly relates to intertwined-braidlike jewellery and novel method of making the same. When completed jewellery item is made by assembling many very small elemental jewellery units, the work of formation of interconnections of assembled small units poses many difficulties for the artisans which add to the cost and time-duration of assembly work. This assembled completed jewellery item also presents a flat two dimensional appearance which reduces both attractiveness and hence value of jewellery item. The present invention provides a novel shape of small elemental jewellery units, such that the work of interconnecting them avoids the need of wire-bending and soldering during interconnection-work, used by earlier jewellery making methods. This novel method of assembly of very small elemental jewellery units gives additional advantage of presenting a three dimensional appearance, thereby increasing attractiveness and value of jewellery item. The present invention can be used for making jewellery items like necklace, bracelets, pendants, earrings and the like. | 2010-02-04 |
20100024483 | HINGE AND ITS APPLICATION IN JEWELLERY MAKING - The present invention particularly relates to a novel type of hinge to be used for sequentially interconnecting different elemental jewellery units of a jewellery item. Type of hinge constructions used in jewellery making of prior art do not permit the jewellery item to retain during use its appropriate shape which is required for bringing out beauty value of the jewellery item like the diamond-studded necklace. The necklace may present itself as an ordinary metal chain, which, as if, “falls down loose”, giving a U-shape or any other unplanned shape. Hinge-construction of prior art does not restrict movement of different elemental jewellery units in different unplanned directions. The difficulty becomes more pronounced when very small size diamonds are used in the necklace. The novel type of hinge of the present invention provides two mating pairs for each elemental jewellery units permit each unit to have predetermined appropriate amounts of clockwise and anticlockwise rotational motions. This helps the jewellery item to take and retain its planned appropriate shape to achieve gracefulness and beauty, giving very attractive and impressive appearance. Hinge-construction of present invention can be used for making different jewellery items such as necklace, bracelets, pendants, earrings and the like. | 2010-02-04 |
20100024484 | METHOD OF MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK AND SYSTEM FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK - To provide a magnetic-disk glass substrate manufacturing method that can reduce the inner diameter dimensional error. | 2010-02-04 |
20100024485 | Method and Apparatus for the Purpose of Conserving Energy in the Glass Industry - The conservation of energy in the glass industries via the use of heat shields to decrease the amount of energy lost during transportation from the forming process to the annealing process. For maximum effectiveness, the thermal shields are made of materials whose surface has an emissivity of, but not limited too, less than 0.3. They are mounted from, or adjacent to, the means of conveyance of the glass material such that their use will not prohibit the normal production of such glass product. Their installation shall include the means for quick removal or relocation in case of production upsets. The heat shields reflect the radiant energy that is emitted from the high temperature glass back onto itself, and adjacent products, in a manner such as to reduce the loss of energy from such product that may subsequently be necessary for the annealing process. | 2010-02-04 |
20100024486 | METHOD OF PRODUCING OPTICAL FIBER PREFORM - A method of producing an optical fiber preform comprising: performing production of a glass preform having a valid portion to be drawn to an optical fiber and invalid portions disposed to both ends of the valid portion by depositing a porous silica glass body on a periphery of a glass rod; and performing vitrification of the porous silica glass body by heat treating the glass preform, wherein, during the vitrification, at least a portion of the porous silica glass body in the invalid portion of at least one end is dislocated relative to the glass rod along the axial direction of the glass rod such that a stress between the glass rod and the porous silica glass body is relaxed. | 2010-02-04 |
20100024487 | Surgical Instrument With Integrated Reduction And Distraction Mechanisms - Embodiments of a surgical instrument disclosed herein can include mechanisms for reduction and distraction as well as compression. Some embodiments of the surgical instrument may comprise a reducer knob having a first passage through which a first shaft of a driver is acceptable, a connecting element coupled to the reducer knob and having a second passage through which the first shaft of the driver is acceptable, a compressor handle coupled to the connecting element at a first end and having a through hole, and a common handle coupled to the compressor handle via the through hole and pivots between the reducer knob and the compressor handle. With embodiments of a surgical instrument disclosed herein, surgical personnel can distract and hold vertebrae in a distracted state and perform a reduction without having to switch or add instruments. Some embodiments disclosed herein can be particularly useful for reducing spondylolisthesis during posterior fixation. | 2010-02-04 |
20100024488 | Finishing needle - The finishing needle is a hand sewing tool used for weaving loose ends of yarn back into a hand-knitted item when finishing a knitting work. The finishing needle is a long needle with two ends that taper to a semi-point at each end. The needle has a single eye that extends through the length of the needle. The eye has a beveled edge that provides for easier threading and to hold the yarn securely. The finishing needle can weave loose ends of yarn into a knitted item when finishing without stopping to turn the needle around, and with no need to re-thread, when weaving in the opposite direction. The finishing needle can more easily make use of shorter lengths of yarn than a conventional needle or hook, and can finish a large knitted item or one with multiple colors much faster than with a conventional needle. | 2010-02-04 |