179results about How to "Safe operation" patented technology

Advanced RF therapeutic antenna probes, their systems and usage methods are disclosed. The therapeutic antenna probe comprising an RF power transmitting cable by which a dipole antenna assembly is formed and a sheath that includes the dipole antenna assembly therein. The RF power transmitting means comprises at least a central conductor, a cylindrical dielectric insulator formed around the central conductor and an outer conductor all of which are formed to be the dipole antenna assembly. A dipole antenna which is a member of the dipole antenna assembly is composed of the first and second electrodes which are formed by a part and another part of the outer conductor, respectively, and electrically connected to the one central conductor and an isolating means which is formed between the first and the second electrodes. The sheath is made of a hard material for at least a head element having a sharp edge.

A system and method of controlling quadrotor air vehicles (QRAV) that may include an additional two degrees of freedom for each of the four propellers of the QRAV. Each of the four rotors may be allowed to rotate (tilt) around two local axes selected from the x-axis (roll), y-axis (pitch), and z-axis (yaw). Control of the quadrotor including the additional two degrees of freedom allows thrust of each rotor to be direct in any direction of a semi-sphere. As a result, total control inputs of the QRAV may be increased to twelve, enabling smooth control to achieve superior and precise maneuverability. Additionally, the system and method is fault tolerant and capable of handling failures of any of the rotors. Commands to the propellers may be fully decoupled and achieved independently thereby giving pilots better control to execute difficult maneuvers.

A drone system includes a drone that includes a propulsion system, a flight stabilizer system, and an air payload interface unit, and a camera system, wherein the camera system includes a camera stabilizing unit, and a ground support system to which the drone is detachably coupled through a tether unit, and for providing electrical power to the propulsion system. The drone system further includes a ground payload interface unit for receiving and transmitting command and telemetry information to the air payload interface unit through the tether unit, and a controlling device for controlling the propulsion system and the camera system through the tether unit.

An improved solution for purifying a medium using ultraviolet radiation is provided. The ultraviolet radiation is generated using at least one of an ultraviolet light emitting diode or an ultraviolet laser diode. In one embodiment, the diode(s) are disposed on a conduit that contains the medium and through which the medium moves. In this manner, operation of the system is made safer and the system can be incorporated into various new purification applications.

The present invention provides an indwelling implant for embolization that can be reliably indwelled in a prescribed site, allows the re-indwelling operation to be executed reliably, and hence has high safety and high operability. In the indwelling implant for embolization of the present invention, an axial extension controlling member having the prescribed tensile rupture strength is provided inside a flexible coil body and the axial extension controlling member is fixed to the coil via a loop which is provided at the distal end portion of the coil body and formed from a material thicker than the wire material constituting the axial extension controlling member. It is preferred that the axial extension controlling member, loop, and coil body be formed of the same metal material such as a platinum alloy and that the axial extension controlling member be formed from a twisted wire obtained by twisting together multiple wires.

A programmable control system for a crane that senses a hydraulic pressure of the lift mechanism, and controls the movements of the crane apparatus as a function of the magnitude of the hydraulic pressure. As the status conditions of the crane change, sense switches relay such information to a programmable controller and error codes are generated and presented to the operator. The control system can respond to the states of the sense switches and override wireless command inputs to the control system.

A safety structure is provided for a Roman shade. A shade cloth is constituted by first and second sheet members opposing each other. The first sheet member forms folds, each carrying at least one cord ring through which a lift cord that functions to roll the shade cloth up and down extends. The cord rings of the first sheet member are arranged between the first and second sheet members, so as to have the lift cord that extends through the cord rings concealed between the first and second sheet members. As such, operation safety of the Roman shade is enhanced.

In an embodiment, a system may include multiple processors and an automatic power state controller (APSC) configured to switch the processors between various operating points. The operating points may be described by data programmed into the APSC, and the APSC may include a register that is programmable with a target operating point request identifying a target operating point for the processors from among the described operating points. The data describing the operating points may also include an indication of whether or not the number of processors that may be concurrently active at the operating point is limited. Based on the indication and the number of active processors, the APSC may override the requested operating point with a reduced operating point. In some embodiments, a digital power estimator (DPE) may monitor operation of the processors and may throttle the processors when high power consumption is detected.

A retractable shelving system is described. In one example, the retractable shelving system includes a lower shelf, a floating frame, vertical guide frames, a top frame, a motor, a sensor frame and electronic operation including remote control and sensors. In another example a cabinet is included for housing the shelving system in the attic.

A photovoltaic (PV) system is disclosed that provides dynamic regulation of the output of a PV array such that the inverter can safely operate without entering a voltage protection mode. The PV system includes a PV array that generates a direct current (DC) output from received solar radiation and a DC link coupled to the PV array to receive the DC output therefrom. The PV system also includes a DC-to-AC power inverter electrically coupled to the DC link to receive the DC output therefrom and invert the DC output to an AC output and a damping circuit electrically coupled to the DC link and positioned between the PV array and the DC-to-AC power inverter. The damping circuit includes a damping resistor and a damping switch.

The invention relates to a device for automatically isolating and positioning earth faults of a Dc system, which overcomes the defects that the conventional device can only monitor specific earth-return circuits or branch circuits of a DC return circuit earth, but cannot isolate fault return circuits from the DC system so as to influence safe operation of normal return circuits because of fault operation of the fault return circuits. The device supplies power to power consumption units by using mutually independent dual DC power supplies and switches fault branch circuit power units from a common power supply to an isolated power supply. All the branch circuits are provided with on-line insulation monitoring device; a communication module is connected with the insulation monitoring device; output signals are connected with an upper PC machine; and the upper PC machine controls all the branch circuits to be isolated sequentially so as to find fault points, receives, stores and comprehensively analyzes monitoring data of all the branch circuits, reports the earth faults of the DC system and displays earth return circuit numbers and earth points in the branch circuits.

A structure of locking pliers includes a movable joint pulling and pushing mechanism directly mounted to a tail end of a second handle. The mechanism includes a movable pulling bar forming a front-end arc recess that is positioned against a middle projection of a movable locking arm straddling between first and second handles of the pliers. The movable pulling bar of the pulling and pushing mechanism is provided with a U-shaped groove, which has a side projecting to form a wing projection, in a portion thereof that is engageable with the tail end of the second handle. The wing projection functions as a safety and protection device so that the movable joint pulling and pushing mechanism is provided with a hand push-way function to protect a user's hand from clamping and injury.

An emergency power supply system for providing hydraulic power and electric power in an aircraft includes a fuel cell having an electric outlet for providing electric power, a conversion unit couplable with at least one of an AC bus and a DC bus and the electric outlet, and at least one hydraulic pump having a reconfigurable electric motor and a motor control unit and being couplable with a hydraulic system for providing hydraulic power. The conversion unit is adapted for converting a supply voltage of the electrical outlet to at least one of an AC voltage matching a predetermined voltage at the AC bus and a DC voltage matching a predetermined voltage at the DC bus. The reconfigurable electric motor is couplable with the fuel cell and the AC bus and is adapted for being operated by the supply of electric power either from the fuel cell or the AC bus.

The present invention relates generally to electric power and process heat generation using a modular, compact, transportable, hardened nuclear generator rapidly deployable and retrievable, comprising power conversion and electric generation equipment fully integrated within a single pressure vessel housing a nuclear core. The resulting transportable nuclear generator does not require costly site-preparation, and can be transported fully operational. The transportable nuclear generator requires an emergency evacuation area substantially reduced with respect to other nuclear generators as it may be configured for operation with a melt-proof conductive ceramic core which allows decay heat removal even under total loss of coolant scenarios.

An offline teaching apparatus for generating, in an offline mode, a robot operation relating to tracking and working relative to a workpiece traveling along a carrier route. The apparatus includes a model-image generating section for generating images of a carrier-route model, a workpiece model and a robot model; an indicator generating section for generating a base-point indicator, and upstream-end and downstream-end indicators defining a spatial range for performing the robot operation; a display section for displaying, on a screen, the images of the carrier-route model, the workpiece model and the robot model, together with the base-point indicator, the upstream-end indicator and the downstream-end indicator; a carrying-operation simulating section for causing the workpiece model to simulate a workpiece traveling motion along the carrier-route model; and a robot-operation simulating section for causing the robot model to simulate the robot operation, during a period from an instant the workpiece model passes by the upstream-end indicator until an instant the workpiece model arrives at the downstream-end indicator.

The invention provides a high-temperature physical carbonization method of a carbonization furnace and wood. The carbide furnace comprises a horizontal carbonization tank, wherein one end of the horizontal carbonization tank is provided with an end socket, the other end of the horizontal carbonization tank is provided with a tank cover, the periphery in the carbonization tank is provided with a heat-conducting pipe through which heat-conducting media flow, the heat-conducting pipe is communicated with a heat-conducting oil feeding device arranged outside, and the heat-conducting oil feeding device is composed of a heat-conducting oil pump and a heat-conducting oil heater; the middle of the carbonization tank is provided with a lace bar frame used for containing the wood; a vacuum pumping machine connected with the carbonization tank through a vacuum pumping pipe is arranged outside the carbonization tank; the carbonization tank is connected with an external steam generating and feeding device through a steam connection pipe; the carbonization tank is further provided with a safe valve, a pressure gage and a wood still gas releasing pipe with a switch valve. The high-temperature physical carbonization method comprises the steps that (a) the wood is placed in the furnace; (b) a steam valve is opened for humidification; (c) vacuum pumping and drying are conducted; (d) temperature is increased and carbonization is conducted; (e) carbonized wood is manufactured after the temperature is decreased and preserving is conducted. The high-temperature physical carbonization method has the advantages that the used carbonization furnace is simple in structure, safe to operate and use, and convenient and reliable to use, the carbonization process is simple, the carbonization effect is good, and a use range of the carbonized wood is enlarged.

A method for file deletion and recovery against system failures in a database management system comprising steps of deleting files listed in a pending action list during a transaction commit process, writing a non-atomic file deletion as an atomic operation into a log and recovering uncompleted file deletion during restart recovery by using the log is disclosed. When system failures occur during file deletion in a database management system, resources of which releasing is interrupted by failures are released perfectly through recovery step, so it is advantageous in that coherency of data is maintained and efficiency of storage device arises.

The invention discloses an automatic feeding machine. The automatic feeding machine comprises a machine frame, wherein the machine frame comprises stand columns, balancing transverse beams arranged on the stand columns, moving racks, moving devices of the moving racks, a lifting beam, a lifting device of the lifting beam and an absorption device, the moving devices are fixed on the moving racks and enable the moving racks to move relative to the transverse beams, the lifting device is fixed onto the moving racks and enables the lifting rack to move vertically relative to the moving racks, and the absorption device is fixed below the lifting beam. The automatic feeding machine is simple and reasonable in structure, convenient to operate and use, safe in operation and usage, good in processing quality and high in work efficiency; meanwhile, saves manpower, reduces labor intensity of operators and is safe and reliable in operation.

The invented full automatic fish culture in net cage complete set equipment and its counting bait-throwing method relates to assembling float operation platform and automatic bait-throwing device andits counting bait throw method. The frame structure of net cage uses parts assembling structure, float and operation platform combined into one body, that is, the special metal cage not only is float, but also as operation platform, at same time as main structural parts of net cage. Bait throwing device is composed of all-weather set, working time set, stop doing time set, counting device, microprocessor, digital code display, storage, driver, electric bait throw machine etc.. The present invention is rational in structure, high in performance price ratio, good in stability, full automatic control etc.

The invention relates to a method for adjusting a device (1) which essentially consists of a Lambda-1 internal combustion engine (2), a fuel induction line (3), a supplemental unit (9) arranged in the induction line (3) for compressing an air-fuel mixture required for combustion, a catalytic converter (12) arranged in the exhaust gas flow, and an exhaust gas recirculation line (15) which is disposed downstream from the catalytic converter (12), leading into the fuel induction line (3) and which is used to supply cooled exhaust gas to the air-fuel mixture. The inventive method is especially characterized in that the amount of exhaust gas which is to be supplied to the air-fuel mixture per time unit is adjusted according to the combustion chamber temperature measured in the combustion chamber of the internal combustion engine (2) in conjunction with the lambda adjustment. Preferably, said combustion chamber temperature and the amount of exhaust gas to be supplied to the air-fuel mixture per unit of time are measured and adjusted continuously. Especially when the so-called problem gases are used, the useful life of this probe becomes substantially shortened and this, in its turn, leads to high maintenance costs.

The invention discloses a high-performance priming and finishing combined paint with corrosion inhibition, pollution prevention and heavy corrosion protection functions. The paint comprises two components: a component A includes a curing agent, an adhesion promoter, a wetting dispersant, silicon dioxide, hollow glass beads, talcum powder, nano micro powder, an anti-settling agent, a curing accelerator and an environment-friendly solvent; and a component B includes solvent-free liquid epoxy resin, modified elastic epoxy resin, silica sand, a wetting dispersant, superfine precipitated barium sulfate, titanium dioxide, aluminum triphosphate, barium metaborate, nano micro powder, an anti-settling agent, multi-functional auxiliaries, a corrosion inhibitor, an anti-fouling agent, high-strength hollow glass beads and an environment-friendly solvent. By aid of reasonable allocation of the component concentration, the paint has excellent adhesive force, durability, abrasion resistance and impact resistance, and excellent salt water resistance, oil resistance, alkali resistance and a certain degree of acid resistance; and the solid content is high, and the construction is convenient.

The invention relates to a steam hanging iron, particularly to a water deficiency automatic protection device and method of the steam hanging iron. The invention aims to provide a simple, safe and reliable water deficiency automatic protection device and method of the steam hanging iron. When the level of water in a water tank is lower than preset water level, the steam hanging iron alarms and enters a protection state at the right time, a steam generator can not have repeated dry burning phenomena, the service life of the device is effectively prolonged, and the safety and the reliability of the whole machine are better protected. Detection accuracy is improved by adopting a non-contact type electronic liquid level sensor. The product has high safety and reliability. The problem that the device can not normally work as water deficiency automatic protection is frequently started due to the false action of a detector is well solved.

The invention discloses a supermolecular polymer drag reduction agent for oil products, which is for drag reduction for pipeline oil products and a preparation method thereof. The invention relates to the technical fields of a composition of high molecular compounds and a piping system. A supermolecular polymer drag reduction agent for oil products, comprising proton donor polymers, cation donor polymers and proton receptor polymers, wherein same qualities of the proton donor polymers and the proton receptor polymers, or same qualities of the cation donor polymers and the proton receptor polymers are dissolved in diesel oil to form a supermolecular drag reduction polymer. The invention has advantages of moderate reaction conditions, a safe and reliable operation process, low requirements on production equipment and easy availability of raw materials.

The automatic trough-unloading truck with remote controller for metallurgical industry has on-truck electric equipment connected to and controlled by on-truck control box and driven with the on-truck electric driving equipment; on-truck control box with communication lines and power lines connected to the collecting box; collecting box with communication lines and power lines connected via power-communication cable to ground connecting box; and ground connecting box with communication lines connected to central controller via communication cable and power lines connected to ground power distributor via power cable. The trough-unloading truck is controlled with the ground central controller to complete various detection, control and execution operations.

An instantaneous turnoff test system for the electronic probe comprises a computer and an adapter connecting a processor and the computer. The adapter comprises two retractable casings, one casing is equipped with an insulating core, and the other casing is equipped with a testing needle. The processor comprises a signal source of the constant time, a successive connected constant current circuit, a detecting amplified circuit, a logic circuit, a signal processing circuit, a programmable counting circuit and a timer. The detecting amplified circuit is connected to a high speed comparator, the programmable counting circuit is equipped with a microcontroller, and the microcontroller counts once after the microcontroller receives a pulse input transmitted from the high speed comparator. The invention can be used to detect the various electronic probes including switch, connector, relay and cable assembly, and has the advantages of accurate test and high efficiency.

The invention discloses a novel child bicycle. An adjustment and control device capable of enabling a seat body to move front and back and rotate horizontally is connected between the seat body and a bicycle frame. The front-and-back positions of the seat body can be adjusted appropriately according to demands of a user, the same child bicycle can be used by children of different heights, the high utilization rate is achieved, the children can sit sideways by horizontally rotating the seat body, and use is flexible. The novel child bicycle is simple in structure, and safe and convenient to operate and use. A handlebar is provided with supporting pedal devices which can be turned over horizontally and extend out and retract back forwards and backwards for adjustment and are used for supporting the soles so that the use comfort degree can be further improved, and the user can adjust the supporting pedal devices forwards and backwards according to needs so that the children can place the soles on the supporting pedal devices conveniently.

The invention discloses a self-propelled charged operation tool for replacing an entire line tension insulator string. The operation tool comprises a shell, wherein an inner cavity is formed in the shell; four first buffering rods are fixedly arranged on the upper part of the inner cavity; a walking motor is arranged on each first buffering rod; a walking grooved pulley is arranged on the walking motor; a guide rail and a traversing driving lead screw are arranged on the back part of the shell; a transverse moving base is arranged on the guide rail; a traversing driving nut is arranged on the transverse moving base; a traversing driving motor is arranged on the shell; an output shaft of the traversing driving motor is connected with the traversing driving lead screw; a swinging arm rotating device is arranged on the traverse moving base; a swinging arm is arranged on the swinging arm rotating device; a rotating rod is arranged in the swinging arm; an adjusting driving motor is arranged on the swinging arm; an output shaft of the adjusting driving motor is connected with the rotating rod; a flipping hinging base is arranged at the front end of the rotating rod, and is hinged with the back end of the tool for replacing insulators; an overturning driving motor is arranged on the flipping hinging base; and an output shaft of the overturning driving motor is connected with the tool for replacing insulators.