120results about How to "Stable internal performance" patented technology

An inverted F antenna with integrated shield is constructed from an electrically conducting sheet that is folded into a shape that provides both a shield can covers an RF module of circuit and an inverted F antenna such that shield can functions also as a ground plane for the antenna. In a pre-folded state the sheet has a shield can portion and a radiating element portion that are connected to each other by a ground feed line that bridges the shield can portion and radiating element portion. The shield can portion preferably includes a plurality of walls that are foldable along respective folds. The radiating element portion preferably includes a plurality of edges and a signal feed line extending from a first one of the plurality of edges. The ground feed line extends from a second one of said plurality of edges. When the sheet is folded, the radiating element portion is suspended over the shield can portion and is substantially fixed with respect to the shield can portion by the ground feed line and the signal feed line.

Method for combustion engine control comprising an engine, at least one sensor and at least one engine control unit (200) arranged to control the engine (100) by the use of real time sensor data S(k) characterized in that a prior (P1(k, j; z), P2(k ; X, Y) is used to derive at least one combustion parameter estimate (X(k)) and / or al least one combustion parameter measurement (Y(k)) from the real lime sensor data (S(k)) and that the at least one combustion parameter estimate (X(k)) and / or the at least one combustion parameter measurement (Y(k)) is used in performing said engine control.

Processes for generating electricity using a solid oxide fuel cell are disclosed. The processes are controlled by adjusting the hourly spaced velocity of the hydrocarbon feed through the solid oxide fuel cell. Hydrocarbon fuel is transported at an hourly spaced velocity through a pre-reformer having a catalyst. The hydrocarbon fuel is contacted with the catalyst for a residence time and at a temperature such that a catalyzed hydrocarbon fuel is formed. The hourly spaced velocity determines the residence time of the hydrocarbon fuel in the pre-reformer. The resultant catalyzed hydrocarbon fuel contains at least one gas including one or more of hydrogen gas, methane gas, carbon monoxide gas, or combinations thereof The catalyzed hydrocarbon fuel is then contacted with an anode of a solid oxide fuel cell for a residence time to produce electricity.

The invention provides a process for manufacturing a high-strength (above) bolt. The process comprises the following steps: selecting a proper steel material, and cutting out a cylindrical blank with proper size; molding the head part and the rod part of the bolt by adopting cold extrusion technology; heating; manufacturing the rod part, including coarse grinding and fine grinding; detecting injury by magnetic powder; manufacturing screw; and performing surface mechanical reinforcement and corrosion resistance treatment. The process solves the technical problems of insufficient strength and fatigue fracture which are easily generated on the bolt existing in the prior art for manufacturing the high-strength bolt, and is a high-strength bolt manufacturing process capable of improving tensile and fatigue strength resistance of the bolt.

In an eco-run control, determination of a stop of an internal combustion engine (1) is reliably and promptly made. An internal combustion engine stop-start control apparatus for executing a control of stopping the internal combustion engine (1) upon satisfaction of a predetermined stop condition, and for executing a control of starting the internal combustion engine (1) upon satisfaction of a predetermined start condition, has: stop request determination means (step S1) for determining that there is a request for stopping the internal combustion engine (1) based on satisfaction of the stop condition; and stop determination means (steps S2, S4) for determining a stop of the internal combustion engine (1) based on a state of a predetermined physical quantity that changes in relation to operation of the internal combustion engine (1), the state occurring within a predetermined determination time (Ten), and for setting the determination time (Ten) shorter if the request for stopping the internal combustion engine (1) is present than if the request is absent.

A turbine blade for a turbine engine having a platform cooling system formed from one or more platform cooling channels extending from an inner cooling cavity in a root of a turbine blade to an outer surface of a platform on the turbine blade. The platform cooling channels may be positioned in ribs protruding from a bottom surface of the platform. The ribs act as fins during operation of a turbine engine in which the turbine blade is installed by increasing surface area of the platform and thereby increasing convection on the bottom surface.

A method and apparatus for reducing the emissions and improving the performance of an internal combustion engine (40). An input air stream is separated into an oxygen-enriched air stream and a nitrogen-enriched air stream. The nitrogen-enriched air stream is received by a holding chamber (35). The oxygen-enriched air and a combustible fuel are provided to a combustion chamber (45) of the internal combustion engine (40) and a combustion process is initiated. After a predefined time delay, a volume of nitrogen-enriched air is provided from the holding chamber (35) to the combustion chamber (45) to be used during the rest of the combustion process.

A system for converting an airflow into mechanical or electrical energy and dimensioned to be attachable to a structure. The system includes a leading edge member, a pair of drawtube arrays, and an energy conversion device located between the pair of drawtube arrays and configured to convert an airflow through the channel into mechanical or electrical energy.

A composition comprises a sulphur free reaction product of: (a)(i) a hydrocarbyl substituted aromatic compound containing an acidic group selected from the group consisting of a carboxylic group, a hydroxyl group and mixtures thereof and (a)(ii) an organic nitrogen-containing base reacted with acidic group. The composition is obtained by a preparatory process and is useful in a method for lubricating an internal combustion engine to include where the lubricant has reduced levels of sulphur, phosphorus and sulphated ash.

A turbine blade for a turbine engine having a platform cooling system formed from one or more platform cooling channels extending from an inner cooling cavity in a root of a turbine blade to an outer surface of a platform on the turbine blade. The platform cooling channels may be positioned in ribs protruding from a bottom surface of the platform. The ribs act as fins during operation of a turbine engine in which the turbine blade is installed by increasing surface area of the platform and thereby increasing convection on the bottom surface.

The invention provided a gas generator for an air bag having any of the following members. A deflecting member is provided to suppress discharge of a combustion product generated by a combustion of gas generating means, and is formed as a tube portion to be capable of shielding a gas discharge port formed at least on a circumferential wall of a housing from the inside of the housing. A coolant / filter means supporting member can position a coolant / filter means, prevent a short pass of an operating gas, and functions as a buffer member between the coolant / filter and the housing, and / or prevent a heat from being transferred to a diffuser shell, and comprises an annular portion arranged to face an end surface of the housing and a wall portion contacting with an inner periphery of the coolant / filter means. Further, in order to make it possible to securely support and fix the coolant means and prevent the short pass of the operating gas, an outer peripheral edge of an end portion thereof is adhered and / or supported to a bent portion or a step portion formed in an inner surface of an upper end surface and / or an inner surface of a lower end portion in the housing. The coolant / filter means is formed in a cylindrical shape obtained by laminating a wire mesh. The housing for the gas generator securely fixes an igniter included in an ignition means, is preferably used at a time of manufacturing a gas generator having a restricted overall height, and has an opening portion for inserting and fixing the igniter or an igniter supporting member. The opening portion is provided with a connecting portion for fixing the inserted igniter or igniter supporting member, and the connecting portion is provided in inner side of the housing rather than the end surface having the opening portion.

Apparatuses, systems, and methods are disclosed to produce HHO gas in a pressure-resistant container for use in an internal combustion engine to increase fuel efficiency and / or reduce emissions, for example by introducing the HHO gas to one or more air intake ports of the engine.

An electronic device includes a processor, an internal memory for storing system information and installing programs, and a memory expansion interface for connecting an expansion memory. The expansion memory is partitioned into at least one region to expand the internal memory. The internal memory is partitioned into a system region and a user region; the system region is used to store system information while the user region can be controlled and used by a user. The processor further includes a detection unit and a memory management unit. The detection unit detects the connection of the expansion memory to the memory expansion interface, and the memory management unit determines whether the expansion memory has been previously configured to expand the internal memory, and if not, the memory management unit associates the expansion memory with the internal memory to expand the internal memory.

A method for operating an internal combustion engine in the event of a fault in a crankshaft sensor is provided, the internal combustion engine having at least two camshafts and a speed and / or a position of the internal combustion engine being derived from a signal taken from the camshaft. In order to improve the exhaust gas performance of the internal combustion engine even in a crankshaft emergency operating mode, only a first camshaft is used to determine the speed and / or the position of the internal combustion engine, while the second camshaft. is adjusted in its angle of rotation in order to set a variable valve operating mechanism on the intake and exhaust valves of the internal combustion engine that are driven by the second camshaft.

A valve timing control system for accelerating activation of a catalytic converter in an internal combustion engine in a cold starting operation mode. The system includes actuators (15, 16) coupled to cam shafts (15C, 16C), hydraulic pressure supply units (19, 20) for driving the actuators (15; 16), and a controller (21A) for controlling a hydraulic pressure for the actuators (15, 16) in dependence on engine operation states to change phase of the cam shafts (15C; 16C) relative to a crank shaft. The actuator (15; 16) includes a locking mechanism (155, 157) for setting the relative phase to a lock-up position, and an unlocking mechanism (156) for releasing the locking mechanism in response to a predetermined hydraulic pressure. The controller (21A) sets the relative phase to the lock-up position in a starting operation, while controlling the relative phase to be advanced in an engine state succeeding to the starting operation.

Method for combustion engine control comprising an engine, at least one sensor and at least one engine control unit (200) arranged to control the engine (100) by the use of real time sensor data S(k) characterized in that a prior (P1(k, j; z), P2(k; X, Y) is used to derive at least one combustion parameter estimate (X(k)) and / or at least one combustion parameter measurement (Y(k)) from the real lime sensor data (S(k)) and that the at least one combustion parameter estimate (X(k)) and / or the at least one combustion parameter measurement (Y(k)) is used in performing said engine control.

A system for converting an airflow into mechanical or electrical energy and dimensioned to be attachable to a structure. The system includes a leading edge member, a pair of drawtube arrays, and an energy conversion device located between the pair of drawtube arrays and configured to convert an airflow through the channel into mechanical or electrical energy.

A scanning apparatus for obtaining an image from a phosphor sheet has a cylindrical drum having an inner axis and having an inner surface that is concave with respect to the axis. A light collector is coupled to a transport mechanism that is actuable to translate the light collector along a direction parallel to the axis. The light collector has a beam generator with a light source and a rotatable beam deflector that is actuable to provide a rotating scanning beam. There are first and second cylindrical hoops circumferentially disposed about the axis and spaced apart from each other along the direction of the axis to define a slot aligned with the rotating scanning beam as it scans the phosphor sheet. At least one light detector is disposed to detect light stimulated from the phosphor sheet by the scanning beam.

A hollow poppet valve (10) is provided with an additional flange shape cavity (S1a), in addition to an ordinary valve head cavity (S1) formed in the valve head (14) of the valve (10) in communication with a valve stem cavity (S2) formed in a valve stem (12). A coolant (19) is loaded in the cavities to facilitate dissipation of heat out of the valve. This flange shape cavity (S1a) extends radially outwardly round a bottom portion of the valve head cavity (S1), extending close to a valve seat, thereby significantly facilitating heat transfer between the coolant (19) and the valve seat of the valve, yet, since the flange shape cavity (S1a) does not influences the thickness of other regions of the valve, it does not degrade durability of the valve.

A nanofuel engine including receiving nanofuel (including moderator, nanoscale molecular dimensions & molecular mixture) internally in an internal combustion engine that releases nuclear energy, is set forth. A nanofuel chemical composition of fissile fuel, passive agent, and moderator. A method of obtaining transuranic elements for nanofuel including: receiving spent nuclear fuel (SNF); separating elements from SNF, including a stream of elements with Z>92, fissile fuel, passive agent, fertile fuel, or fission products; and providing elements. A method of using transuranic elements to create nanofuel, including: receiving, converting, and mixing the transuranic elements with a moderator to obtain nanofuel. A method of operating a nanofuel engine loaded with nanofuel in spark or compression ignition mode. A method of cycling a nanofuel engine, including compressing nanofuel; igniting nanofuel; capturing energy released in nanofuel, which is also the working fluid; and using the working fluid to perform mechanical work or generate heat.

The invention relates to an internal combustion engine, and a method for an internal combustion engine with at least one cylinder, at each of which at least one spark providing device for ignition being provided. The engine is operated, in connection to a start procedure of the engine, in a controlled self-ignition mode comprising at least one controlled combustion without spark ignition. The controlled combustion without spark ignition can comprise homogeneous charge compression ignition (HCCI). The invention will significantly reduce the risk of engine knocking at a hot start of the engine.

The invention provides a laser scanning method for manufacturing three-dimensional objects. The laser scanning method comprises the following steps: when a scanning signal is received, a galvanometer system and a laser are controlled to be turned on and off, respectively, in the process when the laser emits laser for scanning, the galvanometer system is in a constant-speed motion state, and in this way, the laser power density received by powder needing to be sintered within a working plane is evener, and therefore, the disadvantage of edge overburning of a three-dimensional object product can be avoided; as a result, according to the laser scanning method for manufacturing the three-dimensional objects, the surface quality and internal properties of the three-dimensional object products can be improved.

The invention discloses waterproof mortar taking inorganic minerals as main filler. The waterproof mortar is prepared from raw materials of components in percentage by weight as follows: 15%-45% of Portland cement, 1%-10% of attapulgite or modified attapulgite, 1%-7% of active aluminium salt, 0-3% of bentonite, 40%-70% of graded sand, 0.3%-1% of a thickening and moisturizing agent, 0.1%-1% of an early enhancer, 0-1.5% of a retarder and 0-10% of an active activator. The waterproof mortar has good waterproof and anti-seepage performance and is higher in early strength and good in weather resistance, and the later strength is also greatly improved.

The invention provides a machining process method of a large forge piece lifting hook. The machining process method comprises the following steps of 1, material selecting and blanking, 2, forging, 3,normalizing and high temperature tempering, 4, shell making, 5, thermal refining, 6, load testing, and 7, comprehensive inspecting and flaw detecting after load testing. The forge piece lifting hook prepared by the process can meet the overall load capacity and the internal quality of the lifting hook.

The invention relates to modification of aluminium profiles and in particular relates to a method for modifying an aluminium profile for buildings. The method comprises the steps of smelting aluminium ingots into molten aluminium, adding mixed powder of zirconium-coated titanium dioxide and zirconium-coated silicon dioxide, maintaining the materials at a melting temperature for 3-5 hours, pouring the materials into a mold with a temperature above 600 DEG C under the pressure of 1.1-1.5MPa, and cooling and insulating so as to obtain the aluminium profile through demolding; preparing a modifying agent from 20-40 parts of sodium fluoride, 30-60 parts of ammonium bifluoride, 10-20 parts of potassium permanganate, 40-50 parts of potassium chromate, 15-25 parts of zinc phosphate, 8-18 parts of sodium nitrate, 5-12 parts of praseodymium chloride, 10-16 parts of ethylenediamine tetraacetic acid, 7-14 parts of malic acid, 8-12 parts of sodium dodecyl benzene sulfate, 6-13 parts of nickel sulfate, 15-25 parts of triethanolamine, 5-10 parts of reducing agents containing alkali metals, 7-13 parts of chlorinated polypropylene or polyolefin substrate adhesion promoter and 500-900 parts of water by weight, and controlling the pH value to be 3-4, thus obtaining the modifying agent; dipping and drying twice to obtain a modified aluminium profile. The prepared aluminium profile is bright and soft, has excellent corrosion resistance and is safe and environment-friendly.

The invention relates to a system and method for use in a homogeneous charge compression ignition (HCCI) combustion engine that is preferably equipped with an exhaust gas recirculation device. This system and method enable an improved adjustment of the temperature level inside the combustion chamber. In addition to adjusting the temperature by using the exhaust gas recirculation device, an influencing of the temperature, which is independent thereof, ensues based on the compression of the induced fresh air by the exhaust gas turbocharger. An increase in temperature is maintained even after the compressed air is expanded on a throttle valve, and this increase in temperature can, in the end, be used for influencing the energy content inside the combustion chamber.

A cooling structure of an internal combustion engine includes a cylinder block having a plurality of cylinder bores; a cylinder head disposed on an upper portion of the cylinder block; two camshafts disposed on the cylinder head so as to be juxtaposed to each other in parallel to a crankshaft; camshaft housing chambers formed on the cylinder head to house the respective camshafts; a recessed portion provided between the camshaft housing chambers; a plug seat formed between the camshafts and in the recessed portion; a cooling air passage formed between the cylinder bores; and cooling air introduction passages communicating from the cooling air passage to the recessed portion of the cylinder head.

Provided is an output amplifier including a differential unit which sends a current corresponding to a voltage difference between a gradation voltage and an amplified gradation voltage to a first current line; a current mirror unit which sends an amount of current corresponding to the current flowing through the first current line, to a second current line; and an output unit including a first and a second drive line, an output line through which the amplified gradation voltage is output, a first output transistor which sends a current based on a voltage of the first drive line, and a second output transistor which sends a current based on a voltage of the second drive line. The output unit includes a voltage regulation circuit which controls the voltage of the first drive line being higher than the voltage of the second drive line.

According to one embodiment, an information processing apparatus includes an acquirement unit and a reporting unit. The acquirement unit is configured to acquire an image captured by a image capturing section. In a situation that a similarity representing a degree with which the image of an object captured by the image capturing section is similar to the reference image of each commodity meets a condition of determining a captured commodity as one commodity in the commodities corresponding to the reference image, the reporting unit is configured to report a situation that the captured commodity is determined as the commodity meeting the condition and corresponding to the reference image.