67results 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.

An improved rock climbing simulator that uses an adjustable fluid resistance apparatus coupled to an axle of a rotating climbing surface to control the rate of rotation of the climbing surface and thus the perceived climbing speed experienced by the climber. The fluid resistance apparatus is structured to control the rate of rotation of the climbing surface, and hence the perceived climbing speed, regardless of the weight or position of a climber on the climbing surface.

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 device which may be formed of suitable elastomeric, biocompatible material is configured to be wedged into Tenon's space between the orbital and scleral walls of the eye at the location of a retinal tear or break. When positioned, the device pushes the eye wall inward to close the tear, and fluid below the retinal wall resorbs.

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 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 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.

A child-resistant roller blind apparatus is provided in which a roller blind is operated only when a safety hook of a cord or a ball chain, which is coupled with an elastic gear, is fixedly mounted after being tightened, so that a safety accident by the ball chain is completely prevented, improving the safety.

An improved control structure for automatically opened and closed umbrella is provided. The control structure contains a one-way wheel linked to a string of a bullet head or an upper nest, and further contains a locking arm and a positioning arm. When the umbrella is compressed, a vertical section of the locking arm moves towards and presses against the one-way wheel's ratchets. As such, if the umbrella is accidentally released during its closing operation, the one-way wheel is locked by the locking arm and the bullet head is therefore locked as well. The compressed shaft is then immediately positioned without being affected by the suddenly released opening spring. The umbrella is therefore much safer to operate.

The invention relates to a method for liquefying and rectifying coalbed methane containing oxygen in the technical field of fuel gas purification. In the invention, after the coalbed methane containing oxygen is liquefied, impurity nitrogen and oxygen in the coalbed methane are separated off through a rectifying column so as to obtain a high-purity liquid product from the bottom of the column; the operation safety of a process flow is analyzed by applying an explosion limit theory, and an operation process which is easiest to cause explosion is determined; effective measures are taken to guarantee the operation safety of the operation process which is easiest to cause explosion so as to ensure that the operation of the whole process flow is safe and reliable; and a higher methane recovery rate can be also guaranteed so as to improve the energy utilization ratio.

Proposed is a monitoring device for monitoring and/or sensing predefined positions of a robotic device (5) having at least two axes of motion. The monitoring device comprises at least two sensors (15, 16), the first (15) of which is defined to sense a horizontal position and/or rotative position of the main support (9) and the second sensor (16) a defined horizontal position of the robotic arm (11). The monitoring device comprises furthermore sensor active faces (17a, 18a, 18b) arranged selectively for the first sensor (15) arranged in the horizontal motion zone and/or swivelling zone of the robotic device (5).

The invention discloses a medical blood irradiation system and a blood irradiation processing method. The medical blood irradiation system comprises a medical irradiation device which is used for carrying out x ray irradiation on the bagged blood, a conveying device which is used for conveying the bagged blood to the irradiation device to accept the irradiation, an industrial computer which is used for communicating with the conveying device, and an electric control cabinet which is used for supplying power for the whole medical blood irradiation system, wherein the industrial computer is connected with a display. The medical blood irradiation system uses an industrial computer-oriented management system and the conveying device-oriented control system together, and however, the management system and the control system are divided, so that the operator is far away from the irradiation device when processing the bagged blood at one side of the industrial computer, the manual delivery is substituted by the conveying device, the problem of complex operation of the prior irradiator is solved, and the operation is safer and more reliable.

The invention discloses a measuring method for establishing the equipment installation reference in stack pits. The method uses a measuring system consisting of an optical cultellation instrument, a precise level instrument and two precise electronic transit instruments for completing the transfer of the equipment installation reference of pack containers and the like. The method comprises the following steps: precisely transferring the stack pit center reference point O and the north direction N reference point to corresponding visible positions on the ground; establishing reference marking points in three orientations of the east direction E, the south direction S and the west direction W on the stack pit; forming a high-precision measurement level reference plane; transferring the orientation reference marking points to proper positions at the upper end of the stack pits; and confirming the equipment installation reference elevation points on hall wall surfaces. The invention uses the measurement technical method of an electronic transit instrument industrial measuring system, ensures the stack container equipment installation precision, and avoids the error installation caused by overlarge installation reference errors, so the stack container equipment installation quality is ensured, and in addition, the safer effect can be obtained.

The invention discloses a method for leaching copper in a waste printed circuit board by virtue of a glycine solution. The method for leaching copper in the waste printed circuit board by virtue of the glycine solution comprises the following steps: obtaining a waste printed circuit board sample with a small particle size through disassembly and mechanical breaking treatment; placing the pretreated sample into a mixed leaching agent of glycine and hydrogen peroxide under a stirring condition, leaching at constant temperature for a period of time, filtering the leachate, and leaching copper. According to the method for leaching copper in the waste printed circuit board by virtue of the glycine solution, the method of wet metallurgy is adopted, glycine is selected as the leaching agent for leaching the metal copper in the waste printed circuit board, and has environment friendliness and high efficiency compared with a traditional leaching agent, the highest leaching rate for copper is upto 94%; and the method is an environment-friendly treatment method.

The invention relates to the field of molding auxiliary devices, and discloses an autoclaved concrete block separator. The autoclaved concrete block separator comprises an L-shaped rack, a separationmechanism and a supporting part, wherein the rack comprises a transverse end and a vertical end; the supporting part is located on the transverse end; the separation mechanism comprises a pull rod, aconnecting rod, a push handle, an inflator, a flexible rope and a gasbag; the gasbag is flat, is fixed on the transverse end of the rack and is parallel to the transverse end; the pull rod is in slipconnection with the transverse end and is parallel to the transverse end; the inflator is fixed on the transverse end, is parallel to the transverse end and is connected to the gasbag; a piston is arranged in the inflator; one end of the connecting rod is connected to the pull rod, and the other end of the connecting rod is connected to the piston; the push handle is in slip connection with the vertical end; and one end of the flexible rope is connected to the pull rod, and the other end of the flexible rope is connected to the push handle. The autoclaved concrete block separator has the beneficial effects that the autoclaved concrete block separator is convenient for applying force during separation of autoclaved aerated concrete blocks and meanwhile, prevents the autoclaved aerated concrete blocks from being damaged in a separation process.

A door lock device includes a tongue pivotally engaged in a housing, a latch slidably received in the housing for latching the tongue to the housing, a sliding member located above the latch for forcing the latch to engage with the tongue, a follower slidably engaged in the sliding member and having a projection for moving the sliding member away from the tongue, a lever arm is pivotally attached to the housing and includes an end portion engaged with the follower for moving the follower up and down relative to the sliding member and the housing, a rotary member is attached to the housing and includes a stud engaged with the lever arm for rotating the lever arm relative to the housing, and a link is slidably engaged in the housing and connected to the rotary member.