91results about How to "Economic feasibility" patented technology

One embodiment of the present invention provides systems and methods, which allow a more efficient shopping experience. A cascading commerce menu provides access to a plurality of product, service, and / or content categories. In one embodiment, the cascading commerce menu is stored on a client computer, thereby providing quick access to the menu.

A lid and a container using the lid are disclosed, the lid having a central panel of paperboard with a resilient plastic skirt joined about its perimeter. A metal foil membrane having heat activated adhesive layers is attached to the lid and the rim of the container by inductive heating. Detents project from an inside surface of the skirt and cooperate with the rim on the container to hold the lid in an open position. A stacking lip extends from the skirt and interfits within an identical lid to allow the lids to be stacked for shipment. A hinge extends transversely across the central panel and divides the lid into movable and fixed portions. Weakened regions on the skirt separate when the lid is opened and provide evidence of potential tampering.

One embodiment of the present invention provides systems and methods, which allow a more efficient shopping experience. A cascading commerce menu provides access to a plurality of product, service, and / or content categories. In one embodiment, the cascading commerce menu is stored on a client computer, thereby providing quick access to the menu.

A combustion apparatus for recovering heat according to the present invention comprising a combustion tank for burning fuel contained in the interior by combustion air supplied from the exterior, characterized in that: a combustion chamber surrounded by an inner wall for burning fuel is defined in said combustion tank; a swirl flow supply chamber for supplying a combustion air into said combustion chamber is defined around the outer circumference of the inner wall of said combustion tank; a combustion air supply passage for supplying combustion air from said swirl flow supply chamber into said combustion chamber is defined on the inner wall of said combustion tank; said combustion air supply passage is slanted at a predetermined angle to the vertical direction of the inner face of the inner wall in said combustion tank; and the combustion air generates a swirl flow in the combustion chamber. Furthermore, the combustion apparatus for recovering heat according to the invention characterized in that; an air cooling chamber for supplying combustion air supplied from the exterior into said swirl flow supply chamber is defined around the outer circumference of said swirl flow supply chamber in said combustion tank, and the combustion air supplied from the exterior is supplied through said cooling chamber into the swirl flow supply chamber to decrease a heat loss and to improve a thermal efficiency.

The proposed steam turbine rotor extends along an axial extent and includes: an outer side which adjoins an outer space which is intended to receive a main flow of a fluid working medium, a first location along the outer side, at which a first blade is held, a second location along the outer side, at which a second blade is held, the second location being arranged behind the first location along the axial extent. To ensure sufficient cooling, there is at least one integrated passage, which extends continuously at least between a first region arranged in front of the first location and a second region arranged behind the second location The invention proposes a method and a use in which a fluid cooling medium is guided in a corresponding way.

The present invention relates to a mechanical organ type accelerator pedal which includes: a housing that is fixedly disposed to a floor panel under a driver's seat; a foot plate whose one end is coupled hingedly with the housing and the other end is disposed to be rotated in a vertical direction of the housing by driver's stepping force on the pedal; a pedal arm that is coupled with one end of a connecting cable connected to an acceleration cable and disposed to be rotatable inside the housing in conjunction with the operation of the foot plate; a carrier that penetrates the housing to connect the foot plate and the pedal arm; an elastic means that is disposed to be supported by the housing and the carrier at both ends to apply restoring force to the carrier; and a cover that is coupled with the housing to cover an opening at one side of the housing and has a center protrusion at one side, the center protrusion being inserted in the center part of the carrier and serving as a rotating fulcrum. The mechanical organ type accelerator pedal improves an operation feeling and reduces driver's fatigue, and reduces fuel efficiency by improving fuel consumption ratio, and improves stability via the compression spring and the carrier which restricts the maximum angle of the reverse rotation of the foot plate.

A liquid crystal display module includes first and second polarizing plates, and a liquid crystal panel between the polarizing plates. The second polarizing plate comprises an optical film on a polarizer. The optical film comprises a high refractive index pattern layer having at least one engraved pattern, and a low refractive index pattern layer having a filling pattern that fills at least a portion of the engraved pattern. A difference in refractive index between the high refractive index pattern layer and the low refractive index pattern layer may be about 0.1 to about 0.2. The optical film may be disposed such that light emitted from the liquid crystal panel will enter the low refractive index pattern layer and then be emitted through the high refractive index pattern layer.

A modeling framework performs an economic analysis of a battery storage system to determine the economic feasibility with different business opportunities. The installed battery system can be utilized to optimize the energy flow between the wind farm and the utility. Several factors can be considered when performing the analysis, the most important being, how to determine the best optimal time to charge and discharge the battery to maximize economic benefit.

A high-rigidity electromagnetic shielding composition includes: (A) about 10 to about 34 wt % of polyamide resin including an aromatic moiety in the backbone structure; (B) about 65 to about 85 wt % of carbon fiber; and (C) about 1 to about 20 wt % of metallic filler. The composition can have high modulus, electromagnetic shielding effects, and high surface conductance, and can thus be used to replace frames, brackets and the like for electronic devices.

Surface field electron emitters using a carbon nanotube yarn and a method of fabricating the same are disclosed. To fabricate the carbon nanotube yarn for use in fabrication of simple and efficient carbon nanotube field electron emitters, the method performs densification of the carbon nanotube yarn during rotation of a plying unit and heat treatment of the carbon nanotube yarn that has passed through the plying unit without using organic or inorganic binders or polymer pastes. The method fabricates the carbon nanotube yarn with excellent homogeneity and reproducibility through a simple process. The carbon nanotube yarn-based surface field electron emitters can be applied to various light emitting devices.

A surveying instrument, comprising an optical system for collimating a measuring point, a driving unit for performing scanning in a measurement range the optical system, a distance-measuring unit comprising a light wave distance measuring system, an image pickup unit for taking an image in the measurement range, an image processing unit for performing image processing to extract edges from the image picked up, and a control arithmetic operation unit for selecting a point near the edge as a measuring point on the image picked up and for controlling the distance-measuring unit to carry out surveying operation of the measuring point.

In the graphene manufacturing method, a graphite oxide is formed from graphite, and then the graphite oxide is treated with a hydrochloric acid. The hydrochloric acid-treated graphite oxide is reduced at temperature of 120° C. or above and 200° C. or below by performing thermal treatment thereto. Since a low-temperature process is used for manufacturing graphene by performing thermal treatment at a relatively low temperature for a short time, this method has great economic feasibility and utilization. Due to a simple composing process and low thermal treatment temperature, graphene may be mass-produced with a low price. In particular, the graphene may be used as a cathode material for a lithium secondary battery, which exhibits a high capacity at a high voltage of 2V or above by reacting with Li, different from an anode material of a lithium secondary battery.

The present disclosure relates to a docking station whereby an underwater robot can be maintained, repaired and managed all the time. According to one aspect of the present disclosure, a docking station can be provided that may comprise: a receiving unit configured to receive an underwater robot therein and positioned under a surface of water; a maintenance unit provided on the receiving unit and positioned above the surface of the water; and a conveyor unit configured to convey the underwater robot from the receiving unit to the maintenance unit.

A liquid crystal display module includes first and second polarizing plates, and a liquid crystal panel between the polarizing plates. The second polarizing plate comprises an optical film on a polarizer. The optical film comprises a high refractive index pattern layer having at least one engraved pattern, and a low refractive index pattern layer having a filling pattern that fills at least a portion of the engraved pattern. The high refractive index pattern layer has a higher refractive index than the low refractive index pattern layer. The optical film is disposed such that light emitted from the liquid crystal panel will enter the low refractive index pattern layer and then be emitted through the high refractive index pattern layer. A liquid crystal display includes the liquid crystal display module.

The method of controlling an autonomous anti-icing apparatus includes: a first step of collecting and storing ice formation environment data; a second step of calculating a calculated value of an aerodynamic parameter based on the ice formation environment data and the ice formation prediction data in real time to determine whether ice formation is present on a surface of the structure and calculating a degree of ice formation through the calculated value of the aerodynamic parameter; and a third step of allowing a calculation control unit to send a temperature control signal, which includes a heating period signal, to a power supply so that an electric heating part is heated when the ice formation is determined by comparing the degree of ice formation with a preset value.

A method for producing pressurized liquefied natural gas and a production system therefor are provided. The method for producing pressurized liquefied natural gas includes: performing a dehydration process to remove water from natural gas supplied from a natural gas field, without a process of removing acid gas from the natural gas; and performing a liquefaction process to produce pressurized liquefied natural gas by liquefying the natural gas, which has undergone the dehydration process, at a pressure of 13 to 25 bar and a temperature of −120 to −95° C., without a process of fractionating natural gas liquid (NGL). Accordingly, it is possible to reduce plant construction costs and maintenance expenses and reduce LNG production costs. In addition, it is possible to guarantee high economic profit and reduce payback period in small and medium-sized gas fields, from which economic feasibility could not be ensured by the use of a conventional method.

The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 1 bar to 10 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method, a supercritical hydrothermal synthesis method and a glycothermal synthesis method, a reaction may be performed under a relatively lower pressure. Thus, a high temperature / high pressure reactor is not necessary and process safety and economic feasibility may be secured. In addition, a lithium iron phosphate nanopowder having uniform particle size and effectively controlled particle size distribution may be easily prepared.

An accelerator pedal which has a housing; a foot plate coupled hingedly with the housing; a pedal arm; a carrier that penetrates the housing to connect the foot plate and the pedal arm; a compression spring to apply restoring force to the carrier; and a cover. The accelerator pedal has a plate coupling part that extends from a body of the housing. The foot plate has a first end is inserted into a coupling hole of the plate coupling part and is coupled hingedly with the housing. The compression spring is disposed between a lower side of the body of the housing and the carrier.

Liquid carbon dioxide separated from sour gas is expanded by throttling decompression and is gas-liquid separated at a low temperature so as to be supplied for shipping or the improvement of petroleum recovery. Methane generated from a stranded gas well is allowed to pass as a coolant through liquid carbon dioxide separated and discharged from sour gas generated from the stranded gas well so as to cool liquid carbon dioxide. Disclosed is a module for treating carbon dioxide, and a treatment method thereof for supplying liquid carbon dioxide at a proper temperature and state conditions when there is a need for liquid carbon dioxide of very low temperature for the storage or collection of carbon dioxide, the improvement of petroleum recovery, or the like by cooling carbon dioxide using a material separated from sour gas of a stranded gas well as a coolant.

The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 10 bar to 100 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method and a supercritical hydrothermal synthesis method, a reaction may be performed under a relatively lower pressure. When compared to a common glycothermal synthesis method, a lithium iron phosphate nanopowder having effectively controlled particle size and particle size distribution may be easily prepared.

A method for forming a selective ohmic contact for a Group III-nitride heterojunction structured device may include forming a conductive layer and a capping layer on an epitaxial substrate including at least one Group III-nitride heterojunction layer and having a defined ohmic contact region, the capping layer being formed on the conductive layer or between the conductive layer and the Group III-nitride heterojunction layer in one of the ohmic contact region and non-ohmic contact region, and applying at least one of a laser annealing process and an induction annealing process on the substrate at a temperature of less than or equal to about 750° C. to complete the selective ohmic contact in the ohmic contact region.

The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a reaction solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 1 to 10 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method, a supercritical hydrothermal synthesis method and a glycothermal synthesis method, a reaction may be performed under a relatively lower pressure. Thus, a high temperature / high pressure reactor is not necessary and process safety and economic feasibility may be secured. In addition, a lithium iron phosphate nanopowder having uniform particle size and effectively controlled particle size distribution may be easily prepared.

The invention relates to a welding head for magnetic pulse welding of hollow thin-walled profile to an inner member having a complementary outer form to said hollow thin-walled profile. The weld head comprises two movable weld head halves (10a,10b) forming said weld head wherein each half has at least one individual induction coil (12a,12b) connected to a power source independently from the other weld head half, with coils wound in a kidney-shape. The work piece is clamped between shapers (15a,15b) integrated with each half. With this weld head could for example work pieces such as tubular thin-walled profiles be welded, even if they are integrated in a closed tubular design, as the weld head could be closed quickly over the welding position and opened for release of the work piece without experiencing arching in clamping area.

A surveying instrument, comprising an optical system for collimating a measuring point, a driving unit for performing scanning in a measurement range the optical system, a distance-measuring unit comprising a light wave distance measuring system, an image pickup unit for taking an image in the measurement range, an image processing unit for performing image processing to extract edges from the image picked up, and a control arithmetic operation unit for selecting a point near the edge as a measuring point on the image picked up and for controlling the distance-measuring unit to carry out surveying operation of the measuring point.

The present disclosure relates to an apparatus for sensing touch pressure. The apparatus for sensing touch pressure, according to one mode of the present disclosure, includes: a first substrate provided with a first electrode unit formed thereon; a second substrate provided with a second electrode unit formed thereon; and a porous membrane member provided between the first substrate and the second substrate and deformed or restored according to touch pressure applied to the first substrate.

A liquid crystal display module includes first and second polarizing plates, and a liquid crystal panel between the polarizing plates. The second polarizing plate comprises an optical film on a polarizer. The optical film comprises a high refractive index pattern layer having at least one engraved pattern, and a low refractive index pattern layer having a filling pattern that fills at least a portion of the engraved pattern. A difference in refractive index between the high refractive index pattern layer and the low refractive index pattern layer may be about 0.1 to about 0.2. The optical film may be disposed such that light emitted from the liquid crystal panel will enter the low refractive index pattern layer and then be emitted through the high refractive index pattern layer.