95results about How to "Operation efficiency is high" patented technology

The operating efficiency of indirect evaporative cooling processes and indirect evaporative cooling apparatus employing a dry side channel and a wet side channel separated by a heat exchange plate are improved by placement of holes in the heat exchange plate. Further improvements are obtained when the flow direction in the wet side channel is cross-current to the flow direction in the dry side channel. Placement of desiccant materials in the dry side channel also serve to improve the operating efficiencies of these processes and apparatus.

A wind power energy system includes a compression system that produces pressurized air with a first temperature that is received by a storage system at a second temperature that is approximately equal to the first temperature. The wind power energy system is insulated with about ten centimeters of glass-wool insulation to create an essentially adiabatic system. The pressurized air is utilized by a generator and generate electricity for a power grid. The generator also includes a combustion engine input. A control system detects fluctuation in wind power and commands the combustion engine to provide an appropriate amount of input energy to the generator such that the sum of the wind energy and combustion engine inputs produces a predetermined amount of electrical output by the generator.

A wide range power supply capable of delivering 20V to 5000V is provided. The power supply of the present invention uses switch mode technology to achieve high overall operating efficiency and is capable of operating from no load to full load without loss of regulation. The power supply in accordance with the embodiments of the present invention operates directly from the utility supply (e.g., 110V/220V and 50 Hz/60 Hz). In one embodiment, the power supply's power conversion stage includes the following stages: an input rectifier; a buck converter; a quasi-resonant inverter; and a voltage multiplier. The above indicated stages are connected in series to achieve the large output voltage range. High precision is obtained from a use of a digital feedback loop, possibly in connection with an analog feedback loop.

A vapor compression system including a compressor, a condenser, an expansion valve, and an evaporator. The compressor increases the pressure and temperature of a heat transfer fluid. The condenser is connected with the compressor for liquefying the heat transfer fluid. The expansion valve is connected with the condenser and includes an expansion device for expanding the heat transfer fluid, and an internal sensor for detecting conditions within the heat transfer fluid. The evaporator is connected with the expansion valve for transferring heat from ambient surroundings to the heat transfer fluid.

A robot system control method includes a first step through a fifth step. Particularly in the second step, a second transformation matrix that represents the positional relation between a first slave robot and a second slave robot is generated and stored in a master robot. In the fourth step, based on a second command obtained using a first transformation matrix and the second transformation matrix, the master robot instructs the second slave robot to operate. In the fifth step, the first slave robot and the second slave robot perform a cooperative operation with the master robot. Thus, in the state where a working robot that can perform TCP matching with only part of the other robots is set to a master robot, all of the robots can perform a cooperative operation.

To provide a refrigerating apparatus that can control the supercooling degree of liquid refrigerant irrespective of changes in circulating refrigerant amounts in a refrigeration cycle, a refrigerating apparatus includes a refrigeration cycle having one or more compressors or inverter compressor, a condenser, an expansion valve, and an evaporator; a liquid introduction circuit that guides decompressed refrigerant obtained by extracting one part of high pressure liquid refrigerant from the refrigeration cycle and decompressing, to a supercooling heat exchanger provided in the refrigeration cycle to perform heat transfer between the decompressed refrigerant and high pressure liquid refrigerant, and then introduces the refrigerant into refrigerant for intake into the compressors or inverter compressor or an intermediate pressure part of these compressors; a controller controlling shutdown of the compressors or driving frequencies of the inverter compressor based on suction pressure detection values with respect to pressure setting values for suction pressure of the compressors or inverter compressor; and a flow controller controlling the amount of high pressure liquid refrigerant flowing through the liquid introduction circuit based on the circulating volume of refrigerant in the refrigeration cycle.

A current-sharing transformer includes a magnetic core assembly, a primary winding coil and multiple secondary winding coils. The magnetic core assembly includes a main magnetic post and multiple minor magnetic posts. The primary winding coil is wound around the main magnetic post. The secondary winding coils wound around respective minor magnetic posts. The secondary winding coils are connected to respective DC loads through respective rectifier circuits. The magnetic paths between respective minor magnetic posts and the main magnetic post are equal, so that the magnitudes of currents passing through the DC loads are balanced by the current-sharing transformer.

A lawn mowing robot includes a body, a driving unit driven such that the body moves within an operation region, and a controller setting first information related to at least one reference line using coordinate information corresponding to vertices included in a polygon forming an operation region and setting second information related to a plurality of regions such that the operation region is divided into the plurality of regions using the first information, wherein the controller controls the driving unit such that the body moves according to a preset movement pattern by the plurality of divided regions using the second information.

The present invention provides a power supply circuit for driving multiple sets of DC loads. The power supply circuit includes a current providing circuit, a sharing circuit and a current control unit. The current providing circuit receives and regulates a supply voltage into specified output currents to be supplied to the multiple sets of DC loads. The sharing circuit is connected in series with output terminals of the current providing circuit and the multiple sets of DC loads. The sharing circuit includes at least one coupling inductor member for performing equal current sharing among the multiple sets of DC loads. The current control unit is connected to the current providing circuit and the multiple sets of DC loads for detecting magnitudes of the current passing through the multiple sets of DC loads and controlling the output currents from the current providing circuit.

A mine elevator is provided having an anti-explosion traction system, an anti-explosion lift car protection system, a flexible guide rail guiding system, a compound lift car, and a counterweight system. The anti-explosion traction system comprises a traction rope tension regulating device, an anti-explosion traction machine, and an anti-explosion control cabinet. The anti-explosion lift car protection system comprises a rope holder, a speed limiter, two hydraulic buffers, a safety clamp, a brake rope, and a brake rope tension buffer device. The flexible guide rail guiding system comprises a steel wire rope guide rail, a guide rail tension device connected to the steel wire rope guide rail and fixed to the an upper platform, a guide rail connection device connected to the steel wire rope guide rail and fixed to a lower platform, and a flexible guide rail guide sleeve fixed to the compound lift car and the counterweight system.

Painting system for painting large objects comprising a paint booth with surrounding walls and a robot installation comprising a plurality of painting robots, each painting robot comprising a stationary base, a stand carried by the base rotatably arranged around a first axis, a first arm carried by the stand rotatably arranged around a second axis, a second arm carried by the first arm rotatably arranged around a third axis and a forth, a fifth and a sixth arm part carried by the second arm for orienting an attached painting tool.

A combined power system includes a rotational power source such as an internal combustion engine, the output shaft of which is arranged to drive a front section load and which is also coupled to the input shaft of an electromagnetic coupling device to drive a rear section load. The electromagnetic coupling device is controlled by an operating device to generate motor driving functions, when an input current is applied or to generate variable speed coupling functions through an output current when the electromagnetic coupling device is employed as a generator. The engine can be operated at constant speed or at a partially adjustable speed to maximize engine efficiency and reduce pollution, with one part of the differential speed output power generated throughout the differential mixing drive device being used for driving the load while the remainder of the power is converted through the generator function of the electromagnetic coupling device to charge the battery and thereby increase energy efficiency.

A control unit of a vehicle control system estimates running-condition of a vehicle for a predetermined estimation period. A fuel-amount estimating portion estimates an engine condition related to a cooling efficiency, based on the estimated running condition. The control unit estimates multiple possible control patterns and calculates evaluation values related to the cooling efficiency for respective cases, in which a compressor is operated in accordance with each of the control patterns. The control unit selects one of control patterns to actually operate the compressor in accordance with the selected control pattern, so that fuel consuming amount can be reduced.

This invention relates to a new kind of hydrogen storage mixture and container thereof. This hydrogen storage container consists of a container casing, a hydrogen storage mixture and a valve. The hydrogen storage mixture loaded inside the container is made of hydrogen storage alloy granules and metal fibers and/or non-hydrogen-absorbing alloy fibers that do not absorb hydrogen. The non-hydrogen-absorbing fibers are dispersed among the hydrogen storage alloy granules and form a network structure. The non-hydrogen-absorbing fibers include non-hydrogen-absorbing metal fibers and/or non-hydrogen-absorbing alloy fibers, or their mixture. In the hydrogen storage mixture, the weight ratio of the non-hydrogen-absorbing fibers to the hydrogen storage alloys is about 0.01˜0.1. The hydrogen storage installation adopting the technology of this invention can effectively prevent the metal hydride granules from moving over a comparatively long distance and accumulating in some locations in the container during hydriding and dehydriding, and also can improve the thermal conductivity of the hydrogen storage mixture inside the container. The hydrogen storage container of this invention is easy to manufacture, safe to use, and low in cost. This invention can be used for the manufacture of hydrogen storage containers for hydrogen storage, transport, compression and purification.

A television (TV) operation interface display system and an operation method for switching TV channels are disclosed. The TV operation interface has a channel selection object that has a display zone corresponding to a plurality of TV channels, a bar as an indicating object for a user to move and accordingly select a TV channel, and a channel marker. The bar can automatically align with the channel marker for the user to conveniently switch to a preset favorite channel. The user can touch the bar at a fixed position in the display zone to set a favorite channel. The display zone is divided by the bar into a first zone and a second zone. The user can touch and trigger the first zone or the second zone to switch the TV channels, and can control a switching speed by controlling duration for touching the first or the second zone.

A vacuum-processing apparatus comprising a vacuum vessel, a processing chamber arranged in the vacuum vessel and a heater for heating a circumferential wall of the processing chamber, wherein a substrate is arranged in the processing chamber and the substrate is vacuum-processed in the processing chamber, characterized in that the vacuum-processing apparatus has a cooling plate located outside the processing chamber and arranged at a position to oppose the circumferential wall of the processing chamber for cooling the circumferential wall of the processing chamber, and a mechanism for moving the cooling plate so as to change a distance between the cooling plate and the circumferential wall of the processing chamber. A vacuum-processing method for performing a surface treatment for a substrate using the vacuum-processing apparatus.

A model management apparatus capable of efficient management of bulk data which has a large amount of information. When new bulk data is stored in bulk data storing means of an in-process server, encrypting means encrypts the bulk data. Transmitting means acquires meta-data corresponding to the bulk data from meta-data storing means, and transmits the acquired meta-data, along with a decryption key necessary for decrypting the encrypted data, to a formal server. The formal server stores the meta-data and the decryption key supplied thereto in storing means in a manner associated with each other. When a browse request for registered bulk data is received from a certain terminal, acquiring means retrieves corresponding meta-data and decryption key from the storing means, and returning means transmits the acquired meta-data and decryption key to the terminal which has made the browse request. The terminal which has made the browse request acquires target bulk data by looking up the meta-data, and decrypts the encrypted bulk data by using the decryption key, to obtain the original data.

A plurality of selection subjects which are divided into groups under a predetermined condition are displayed on a display screen. One group is selected based on coordinate information output from a pointing device. Next, based on an operation signal output from an input device which outputs an operation signal of a plurality of types of operation signals, depending on a player's operation, one is selected from the selection subjects belonging to the group, and a process is performed, depending on the selected selection subject.

A vapor compression system including an evaporator, a compressor, and a condenser interconnected in a closed-loop system and a method of operating such a system. The method includes the conversion of expanded liquid heat transfer fluid from a liquid form to a high quality liquid vapor mixture before delivery to the evaporator. In one embodiment, the heat transfer surface of the evaporator coil is smaller than that required to obtain an equivalent evaporator capacity when the expanded liquid heat transfer fluid is not converted from a liquid form to a high quality liquid vapor mixture