311results about How to "Ensure operability" patented technology

A distributed storage and parallel mining method for state monitoring data includes the steps: defining function service models of a remote substation state monitoring unit and a state monitoring communication front-end processor by means of Web service description language, and exchanging the state monitoring data of electric power equipment in an electric power wide area network environment by a simple object access protocol; storing large-scale state monitoring data redundancy in a distributed file system, creating an index table for a state monitoring data file, inserting the index table into a large-scale structural data table and querying the state monitoring data according to a query request; and generating basic data and multi-dimensional analytical data by extracting, converting and loading to built a data warehouse, and parallelly executing association rules, classification and clustered data mining algorithm by means of MapReduce task decomposition and result summary. The distributed storage and parallel mining method can be used for effectively realizing distributed data exchange, redundant storage and rapid parallel processing for state monitoring information of the mass electric power equipment in an intelligent power network environment.

A self-powered, personally wearable air purifier includes a sequence of packed bed filter media packets having filter media therein of specifically targeted types that will absorb those ambient air pollutants that have been identified as being particularly dangerous to human health. A HEPA filter is included for the removal of particulate matter that will have adhered thereto many of such pollutants. Media types can be selected to meet different environmental circumstances, including normal highway or city center air, or terrorist attacks of chemical, biological or “dirty bomb” types as on a battlefield or similar environments. Shoulder straps and a chest strap are provided for wearing the apparatus on a user's back, or other means such as a shoulder pouch can also be employed. Emergency substitution of filter media using thermal insulation from the clothing of the user is available upon depletion of the normal media material.

In a hybrid excavator of the invention, a hydraulic pump and a generator motor are connected in parallel to an output shaft of an engine and a rotation motor is driven by a battery. The generator motor assists the engine by performing a motor function. Power consumption of each of the hydraulic pump and the rotation motor is detected. The output of the hydraulic pump and the rotation motor is controlled such that the sum of the detected power consumption does not exceed maximum supply power set as the sum of power that can be supplied to the hydraulic pump and the rotation motor. Therefore, the equal performance and operation with the hydraulic excavator can be ensured, and the electric power storage arrangement can be protected.

The invention discloses an electrical-information-acquisition-system-based theoretical line loss estimation method for a distribution network, and aims to overcome the shortcomings of great errors of the conventional theoretical line loss estimation method for the distribution network, difficulty in accurate analysis on the characteristics of load fluctuation, unbalance, harmonic distortion, parameter variation and the like of the distribution network, and the like. By the method, each loss influencing factor of a medium and low voltage distribution network can be scientifically, perfectly and comprehensively reflected; and compared with a 'root-mean-square current method', an 'average current method', a 'maximum current method', an 'equivalent resistance method' and the like for estimating line loss only according to the single line diagram of the distribution network, typical day 24 hours, asynchronous current recording data and the like in DL686-1999 guide of calculation of grid energy loss, the invention has more accurate algorithms, parameters, load data and the like for the theoretical line loss, and provides a novel concept and a novel method for the loss analysis and energy efficiency evaluation of the distribution network.

A self-powered, personally wearable air purifier includes a sequence of packed bed filter media packets having filter media therein of specifically targeted types that will absorb those ambient air pollutants that have been identified as being particularly dangerous to human health. A HEPA filter is included for the removal of particulate matter that will have adhered thereto many of such pollutants. Media types can be selected to meet different environmental circumstances, including normal highway or city center air, or terrorist attacks of chemical, biological or “dirty bomb” types as on a battlefield or similar environments. Shoulder straps and a chest strap are provided for wearing the apparatus on a user's back, or other means such as a shoulder pouch can also be employed. Emergency substitution of filter media using thermal insulation from the clothing of the user is available upon depletion of the normal media material.

A touch panel is constructed of a top sheet member having a resistive membrane on its inner surface and a base sheet member having a resistive membrane on its inner surface, the top and base sheet members facing each other with dot spacers being located in between. The top sheet member is formed by laminating a PET film, a polarizing film, a ¼lambd retardation film, and a light isotropic film in this order from its outer surface. The PET film has a thermal expansion coefficient lower than the other films underneath, such as the polarizing film. Accordingly, the PET film serves to keep the other films of the top sheet member from bulging outward when the temperature rises.

An electrically actuated brake booster capable of obtaining a desired boost ratio for a given input pressure when an electric actuator is activated as a boost source, so as to ensure a desired operability of a brake pedal. The electrically actuated brake booster comprises: an input piston 22 to which an input thrust is applied through an input rod 9 that moves in coordination with operation of a brake pedal 8; and a booster piston 21 to which a booster thrust is applied by an electric actuator 40 that uses an electric motor 41 as a drive source, such that the input piston 22 and the booster piston 21 are disposed to be movable relative to each other but are normally maintained in a neutral position of relative displacement by means of springs 34. While an amount of relative displacement between the pistons 21 and 22 is determined by the potentiometer 45, the electric motor 41 is controlled to adjust the amount of relative displacement to a predetermined value. At the same time, a reaction force acting on the input piston 22 resulting from a hydraulic brake pressure is offset by urging forces of the springs 34 to thereby obtain a desired level of boost ratio.

The invention provides a refrigerator. Touch switches are arranged on a machine door of the refrigerator, the misoperation when the touch switches are touched with the contrary will of a user can be improved when the machine door is opened, and the operation when the touch switches are touched can be improved under the condition that the surface of the machine door is cleaned by cleaning cloth, and the like when the machine door is closed, therefore, the operation convenience and reliability as well as the appearance beauty can be ensured. In the refrigerator, a refrigerating chamber machine door (11) is provided with a plurality of touch switches (15) which set the chamber temperature and the functional operation by detecting the electrostatic capacity of a person; under the condition of touching the adjacent touch switches simultaneously within the set time, not all touched touch switches are available, however, the corresponding operation of the original touched touch switch is available, and the corresponding operation of the later touched touch switch is unavailable, therefore, the accurate operation control can also be carried out when the touch switches are touched by chance.

The invention relates to a device for producing electrical power in a multi-spool gas turbine engine comprising at least one first rotary spool (69), for example a low-pressure spool, and a second rotary spool (24), for example a high-pressure spool, and driving an electrical machine (10). The device is one wherein, with the electrical machine (10) being of the twin-rotor type with a first rotor (13) and a second rotor (14), the first rotor (13) is mechanically connected to the first rotary spool (69) and the second rotor is mechanically connected to the second rotary spool (24).

The invention relates to a high-efficiency visible monitoring analysis system for large-scale traffic data. The system is mainly based on a visible 'fingerprint' data model previously proposed by an inventor; the collected original traffic data is converted into the visible 'fingerprint' data model through a data conversion module under large-scale real-time data flow; and complex abstract conceptions such as periodic flow changes, track exceptions and hidden data errors in the traffic data can be visualized into simple and intuitional visual effects so as to provide automatic detection and analysis of city hot spot regions based on density, road traffic flow analysis based on historical traffic flow dynamic properties and real-time monitoring analysis of the traffic track exceptions based on vehicle historical data and statistic information for a user. The periodical flow change properties in the large-scale traffic data are analyzed in real time based on the historical data and the statistic information to find hidden rules and errors so as to provide analysis and support for the decision of the user. Therefore, the convenience is provided for an analyzer to quickly understand the data and the information, the analysis threshold is reduced, the application range is expanded, and the analysis efficiency and accuracy are improved.

An electrically actuated brake booster capable of obtaining a desired boost ratio for a given input pressure when an electric actuator is activated as a boost source, so as to ensure a desired operability of a brake pedal. The electrically actuated brake booster comprises: an input piston 22 to which an input thrust is applied through an input rod 9 that moves in coordination with operation of a brake pedal 8; and a booster piston 21 to which a booster thrust is applied by an electric actuator 40 that uses an electric motor 41 as a drive source, such that the input piston 22 and the booster piston 21 are disposed to be movable relative to each other but are normally maintained in a neutral position of relative displacement by means of springs 34. While an amount of relative displacement between the pistons 21 and 22 is determined by the potentiometer 45, the electric motor 41 is controlled to adjust the amount of relative displacement to a predetermined value. At the same time, a reaction force acting on the input piston 22 resulting from a hydraulic brake pressure is offset by urging forces of the springs 34 to thereby obtain a desired level of boost ratio.

The invention discloses a machine tool protection system of a precision grinding machine, relates to a precision grinding machine, and provides a machine tool protection system of a precision grinding machine capable of realizing closed, clean and pollution-free processing environment and protecting precision components of the grinding machine from being polluted or scraped. The machine tool protection system is provided with a shield, a left baffle plate, a right baffle plate, a cushion, scraping brushes, a bed guide rail shield, a screw mandrel sheath, a linear rail shield and a screw mandrel shield; the shield is arranged on the periphery of the grinding machine, the left baffle plate and the right baffle plate are arranged on left and right sides of a workbench respectively, the cushion is arranged on the left baffle plate, and the scraping brushes are arranged on the lateral surfaces of the left baffle plate and the right baffle plate; the bed guide rail shield is arranged on a bed guide rail of the workbench; the screw mandrel sheath is arranged at the top end of a screw mandrel of an upright post; and the linear rail shield is arranged on a base guide rail of the upright post, and the screw mandrel shield is arranged on a base screw mandrel of the upright post.

A surgical instrument, in particular a laminectomy rongeur or a conchotome, with a shaft and with a one-piece sliding part, longitudinally displaceable relative to the shaft, with which for longitudinal displacement a grip part is associated which is pivotable about a pivot axis, wherein the sliding part is able to be transferred from a working position, in which the sliding part is guided longitudinally displaceably on the shaft in a guide, into a cleaning position, in which the sliding part is freed from the guide and is pivotable relative the shaft about a rotation axis oriented perpendicularly to the longitudinal extent of the shaft. The rotation axis is aligned perpendicularly to the pivot axis of the pivotable grip part.

The invention relates to a catheter. The occurrence of kinking is reduced, a proximal portion of a sheath exhibits steerability and the occurrence of a crack is suppressed. The catheter comprises a sheath to be inserted into a living body, wherein the sheath includes a tubular reinforcement layer of at least one layer, which is formed with a spiral slit continuous from the distal side to the proximal side thereof; a termination end of the spiral slit is provided on the proximal side of the slit proximal portion at the site of the proximal side of the spiral slit; and at the same time, there is formed a slit termination portion in which inclination angle of the spiral slit with respect to the circumferential direction of the reinforcement layer is larger than that of the slit proximal portion.

A package for increasing shelf life of electrodes packaged therein. A first package within which one or more gel-containing electrode pads are sealed. In addition, at least one moisture source is sealed within the package.

The invention relates to a production method of a non-residual slurry non-autoclaved prestressed concrete pipe pile. The production method comprises the following steps: (1) sequentially adding fine aggregate, coarse aggregate, cement, mineral powder, a mineral additive, water and a water reducing agent into a reaction kettle, and evenly stirring to obtain a concrete mixture; (2) prestressed tensioning the concrete mixture after material distribution and die assembling; (3) centrifuging the concrete mixture after prestressed tensioning, and sequentially carrying out low speed, low medium speed, medium speed and high speed centrifugation steps in centrifugation without producing residual slurry in the centrifugation process; (4) placing the centrifuged concrete mixture into a steam maintenance pool for steam maintenance. According to the production method, after multiple experiments, through contrastive analysis, the nanoscale mineral additive is added, and by matching with the compound high-performance water reducing agent and adjusting existing pipe pile centrifugation and steam maintenance steps, the non-residual slurry centrifugation and one-time demoulding strength of C80 are realized, so that the working procedures of pouring residual slurry and steam maintenance are eliminated, and the environmental pollution and energy consumption of enterprises are greatly reduced.

A device for producing electrical power in a multi-spool gas turbine engine is disclosed. The device includes at least one first rotary spool and a second rotary spool which drives an electrical machine. The electrical machine is of the twin-rotor type with a first rotor and a second rotor. The first rotor is mechanically connected to the first rotary spool and the second rotor is mechanically connected to the second rotary spool.

A cell phone prevents inadvertent dialing or answering of the cell phone by detecting a low light condition consistent with the phone being in a pocket, purse or the like. The ability to use the phone unencumbered in low light situations is provided by using the low-light detection not to disable the phone but to cause a user prompt that requests a user decision on rejecting the phone activity. The user input is tailored to a particular predetermined button for either condition to ensure the results of this prompt are unlikely to be satisfied by an accidental keypress.

The invention provides a polyimide laminating body and a manufacturing method thereof. According to the invention, polyimide films that are transparent and are good in size stability can be separated from a supporting substrate easily. The polyimide laminating body capable of support substrate is arranged on the back side of the polyimide layer. The transmissivity of the polyimide layer in a predetermined wavelength area is higher than 70 percents. The surfaces of the support substrate in interfaces can be formed by heat-resisting polyimide whose glass transition temperature is higher than 300 DEG C and the surface coarse degree Ra is lower than 100nm. The adhesion strength of the support substrate and the polyimide layer is 1N / m-500N / m and polyimide layer can be separated from the support substrate. Besides, the manufacturing method for the polyimide laminating body utilizes roller-to-roller technique for conveying long strip support substrate and coats resin solution of polyamide acid, so that the substrate can be imided, so that a predetermined polyimide layer can be formed.

To achieve secure optical communications, a messaging encoding scheme is utilized in which optical communication signals are encoded based upon a known unique code. This encoding methodology allows for the broad transmission across an optical network which will include intended destination. Only the intended destination or destinations will include the necessary unique codes to allow recognition and decoding of the optically encoded message. By providing security in this optical encoding manner, the need for additional message overhead and / or additional systems is thus avoided, thereby providing efficient communication in a secure manner.

A variable-capacity exhaust turbocharger is provided which is equipped with a variable-nozzle mechanism having a lever plate and a peripheral structure capable of ensuring regular operability of a nozzle vane and of preventing an occurrence of local excessive stress by increasing rigidity of the lever plate without increasing a thickness of the lever plate. In a variable-capacity exhaust turbocharger equipped with a variable-nozzle mechanism including: a plurality of nozzle vanes; an annular drive ring; and a lever plate provided as many as the number of the nozzle vanes so that one end is connected to an engagement pin portion engaging with a groove portion formed in the drive ring and the other end is fixed to each nozzle vane, the drive ring is disposed between the lever plate and a nozzle mount in an axial direction, and the lever plate is curved in an axial direction from a surface of the lever plate connected to the fixed portion on the side of the nozzle vane so as to be connected to the groove portion of the drive ring.

A control pedal assembly includes a pedal bracket, a control pedal, an urging device and a communicating portion. The pedal bracket is secured to a vehicle body and has a housing space. The control pedal is swingably supported by a support shaft disposed in the housing space of the pedal bracket. The urging device is to urge the control pedal toward a rear of a vehicle body. The communicating portion is provided at a rear of the support shaft relative to the vehicle body between the control pedal and the pedal bracket to connect a space above the control pedal and a space below the control pedal.

In a plate shaped shut-off valve support member configured to support a shut-off valve to which a refrigerant pipe on an indoor unit side is connected, and configured to be extended across a first fixing portion and a second fixing portion of an outdoor unit, the operability of a service port of the shut-off valve is ensured and the strength of the shut-off valve support member is improved. A shut-off valve support member (30) comprises an attachment portion (35), an interference prevention portion (36), and a stepped portion (37). A shut-off valve (61, 62) is attached to the attachment portion (35) with a service port (61a, 62a) of the shut-off valve (61, 62) protruding in a direction perpendicular to a longitudinal direction of the shut-off valve support member. The interference prevention portion (36) is located at a position opposite to the attachment portion (35) when viewed in the longitudinal direction, away from the service port (61a, 62a) in a thickness direction of the shut-off valve support member, and is disposed so as to overlap with the service port (61a, 62a) when viewed in the thickness direction. The stepped portion (37) is formed between the attachment portion (35) and the interference prevention portion (36).

The invention discloses a high-purity metal refining method for limiting a molten zone by utilizing electromagnetic shielding. A zone melting device is of horizontal type, a heating power supply is a high-frequency induction power supply, a heat-resisting sealed tube quartz furnace tube is used as a furnace chamber, a metal raw material is placed in a quartz boat, a sealed isolation chamber is formed by adopting graphite clapboards for electromagnetic shielding, the width of the molten zone is strictly controlled, electromagnetic field interference among multiple molten zones is prevented simultaneously, and the zone melting device is allowed to be internally provided with two or more molten zone with adjustable width; heat dissipation of a cooling tube also plays a role in auxiliary control of the molten zones; a stepper motor numerical control platform is automatically controlled by adopting a computer to push the quartz furnace tube; and the combination of a high-purity argon purification machine and a vacuum pump is adopted to ensure an inert gas environment inside the quartz furnace tube and prevent pollution caused by atmosphere. The device adopted by the high-purity metal refining method is simple in structure, low in cost, stable to operate, and high in degree of automation, and the high-purity metal refining method is applicable to high-purity refining for low-melting-point metals such as indium, tin, bismuth, lead or zinc.

A dual mass flywheel includes: a primary flywheel having a ring gear and connected to an output shaft of an engine; a secondary flywheel connected to an input shaft of a transmission; a coupling unit for coupling the primary flywheel and the secondary flywheel; a plurality of drive units coupled to the primary flywheel and the secondary flywheel and in which spring guides are coupled to opposite sides of a torsion spring to dampen noise and vibrations while a torque of the primary flywheel is transferred to the secondary flywheel, a unit groove formed in the primary flywheel to accommodate the drive units; separation prevention bosses formed above and below a center line of the unit groove and having an operation slot therebetween to prevent deviation of the drive units; and driving pins protruding from a bottom surface of the secondary flywheel to compress and damp the drive units, wherein a linear spring and a curved spring of a torsion spring are combined between an end guide and a middle guide or between the middle guides to prevent a contacting point thereof from being pushed to the outside by a centrifugal force when the drive unit is operated.

The invention relates to a nicking endonuclease-based netted rolling cycle amplification system and a use thereof. Based on the existing second-generation hyperbranched rolling cycle amplification technology, the amplification system utilizes a special endonuclease which is nicking endonuclease Nb.BsrDI so that a third-generation rolling cycle amplification technology which is a netted rolling cycle amplification (NGCA) technology is produced. Intensity of fluorescence signals produced by the netted rolling cycle amplification is increased with increasing of a target DNA concentration, is obviously stronger than that of fluorescence signals produced by linear rolling cycle amplification and hyperbranched rolling cycle amplification and has a detection limit of 0.1fM. Compared with the first-generation linear rolling cycle amplification and the second-generation hyperbranched rolling cycle amplification, the nicking endonuclease-based netted rolling cycle amplification system retains the prior art advantages in operationality, use cost and amplification time, further realizes signal amplification based on the prior art thereby providing good technical conditions for ultralow-abundance nucleic acid sample analysis and detection, and has a wide application prospect.

The invention relates to a remained slurry-free and non-autoclaved prestressed concrete pipe pile, comprising the following raw components in parts by weight: 300-350 parts of cement, 60-80 parts of mineral powder, 600-700 parts of fine aggregate, 1200-1400 parts of coarse aggregate, 80-100 parts of running water, 35-40 parts of mineral additive, and 8-12 parts of water reducer. After a lot of experiments and contrastive analysis of the remained slurry-free and non-autoclaved prestressed concrete pipe pile, remained slurry-free centrifugation is achieved and one-time demoulding strength achieves C80 by adding a nano-sized mineral additive, matching with complexed high-performance water-reducer, and adjusting the centrifuging and steaming steps of the existing pipe pile. The procedures of removing the remained slurry and steaming are removed; the environmental pollution and energy consumption of enterprises are greatly reduced; the endurance quality of concrete is greatly improved.

A client computer includes an encryption / decryption unit for encrypting a confidential file in which an encryption key ID is embedded using an encryption key corresponding to the encryption key ID and decrypting the confidential file using a decryption key corresponding to the encryption key ID, an encryption key storage unit for storing the encryption key, a decryption key storage unit for storing the decryption key, a compliance requirement storage unit for storing security compliance requirements for the client computer transmitted from a server computer, and a security requirement monitoring unit for determining, according to a read command or a write command for the confidential file issued by application software, whether the client computer complies with the security compliance requirements, and, when the requirements are complied with, passing the encryption key and the encryption key ID corresponding to the encryption key from the encryption key storage unit to the encryption / decryption unit in response to the write command or passing the decryption key corresponding to the encryption key ID embedded in the encrypted confidential file from the decryption key storage unit to the encryption / decryption unit in response to the read command.