708results about How to "Significant energy saving" patented technology

A dielectrophoretic display is shifted from a low frequency closed state to a high frequency open state via at least one, and preferably several, intermediate frequency states; the use of such multiple frequency steps reduces flicker during the transition. A second type of dielectrophoretic display has a light-transmissive electrode through which the dielectrophoretic medium can be viewed and a conductor connected to the light-transmissive electrode at several points to reduce voltage variations within the light-transmissive electrode.

An apparatus, method and system are disclosed for providing AC line power to lighting devices such as light emitting diodes (“LEDs”). An exemplary apparatus comprises: a plurality of LEDs coupled in series to form a first plurality of segments of LEDs; a plurality of switches coupled to the plurality of segments of LEDs to switch a selected segment into or out of a series LED current path in response to a control signal; a current sensor; and a controller which, in response to a first parameter and during a first part of an AC voltage interval, generates a first control signal to switch a corresponding segment of LEDs into the series LED current path; and during a second part of the AC voltage interval, generates a second control signal to switch a corresponding segment of LEDs out of the first series LED current path.

An air conditioning cooling apparatus and method which includes the steps of supplying cooling air generated from a cooling apparatus into an air passageway formed below a floor; guiding the cooling air within the air passageway into an equipment assembly disposed on the floor through an opening located in the floor; communicating the cooling air introduced into the equipment assembly into a plenum and introducing the air released from within the equipment into the plenum and communicating the released air through the cooling apparatus for cooling the released air. The method permits temperature differential between the air supplied to the air passageway and the air introduced into the plenum from the equipment assembly to be 45.degree. F. to substantially 40.degree. F. so as to reduce the power necessary for operating on the fan of the blowing apparatus. The equipment assembly utilizes an air flow control mechanism so as to substantially evenly distribute cooling air to the equipment.

This application includes systems and techniques that permit computers to remain accessible while in a low-power mode. In some implementations, the technique includes receiving at a first computer, via a computer network, information regarding a second computer transitioning to a low-power mode of operation; receiving at the first computer network communications designated for the second computer; processing at the first computer at least a portion of the network communications on behalf of the second computer without transitioning the second computer out of the low-power mode of operation, where the processing comprises processing the at least a portion of the network communications on behalf of the second computer within a virtual machine corresponding to the second computer; and initiating, via the computer network, a transition of the second computer out of the low-power mode of operation when at least one of the network communications satisfies a predetermined condition.

An object locator device is disclosed for use in conjunction with both a GPS satellite system and a two-way communication satellite. The object locating system includes a mobile unit physically connected to the object to be located. The mobile unit includes a satellite communication transceiver capable of receiving and transmitting encoded signals. A decoder is associated with the satellite communication transceiver for decoding a unique signal associated with that mobile unit and for generating an activation signal upon receipt of the unique signal. The mobile unit further includes a GPS receiver which is activated in response to the receipt of the unique signal so that the GPS receiver generates a position signal representative of the position of the mobile unit. The output signal from the GPS receiver is connected as an input signal to the satellite communication transceiver such that the satellite communication transceiver transmits the.position signal to a base station on the communication satellite. The base station physically separated from the remote unit is operable to both transmit the unique signal to the communication satellite in order to activate the mobile unit as well as for receiving the position signal from the communication satellite following activation. The base station creates a display representative of the location of the mobile unit. Preferably, this display signal is transmitted via a telephone line and modem to a computer which generates the display on a computer monitor. Energy conservation algorithms including periodic activation of the satellite communication transceiver as well as activation of the satellite communication transceiver only when the position of the mobile unit has changed more than a threshold amount between periodic signals is disclosed.

Methods are disclosed to support power saving states of a beacon station in an ad hoc wireless local area network (WLAN). Some of the methods allow exchanging power management information among stations in the wireless network and to allow beacon station handovers. In some methods, always-on stations are given a higher priority to become a beacon station or a beacon station handover destination. The methods achieve good power saving while minimizing beacon handover frequency.

The current invention provides significant performance improvements or significant energy savings for fans used in these applications: personal, industrial and automotive cooling, ventilation, vacuuming and dust removal, inflating, computer component cooling, propulsors for unmanned and manned air vehicles, propulsors for airboats, air-cushion vehicles, airships and model aircraft. Additionally, the invention provides higher performance such as higher lift and higher lift efficiency to small air vehicles. These advantages are achieved by using plasma actuators to provide active flow control effectors into thin fan blades and wing.

The invention relates to a high-strength multifunctional pressure-bearing pot cover. A main body, an arc-shaped groove plate, a main cover handle, a manual valve, an automatic valve, a main cover body, a pot edge groove, a movable rod, a movable rod clip, a movable shaft, sealing bolts and a handle fixing nail are organically arranged, wherein the arc-shaped groove plate is arranged in an arc-shaped plate on the upper end of the pot edge groove and in a hollow-out arc-shaped groove shape; the main cover handle is placed in the upper side of the main cover body; the manual valve is hidden in the main cover handle; an inlet and an outlet respectively communicate with the lower side of the main cover body and the lower side of the main cover handle; the automatic valve is hidden into the main cover handle; an inlet and an outlet respectively communicate with the lower side of the main cover body and the lower side of the main cover handle; the main cover body is arranged in an end port of a pressure cooker and in the pot edge groove; the pot edge groove is arranged in the pressure cooker end port and the lower side of the main cover body; the movable rod is disposed in the arc-shaped groove plate; the movable rod clip is disposed in a movable rod recessed pit; the inner side of the movable shaft is connected with one side of the main cover body via the fixing nail; the sealing bolts are symmetrically arranged on the lower side of the main cover body; and the handle fixing nail is hidden into the main cover handle. Therefore, the high-strength multifunctional pressure-bearing pot cover can be safely used and has obvious comprehensive energy conservation effect.

The invention provides a method and structural member for securing a roof or an outer wall of a building against wind forces tending to lift the roof or outer wall off the building. A structural member has a panel, said panel comprising a plurality of spaced apart beam members, and a sheathing having an inner side and an outer side, the sheathing spanning a space between adjacent beam members and being attached to the beam members such that the inner side of the sheathing is in juxtaposition with the beam members. A layer of a rigid, closed cell foam comprising a polymer adhesive composition is on substantially the entirety of said beam members and substantially the entirety of the inner side of the sheathing such that the layer on the sheathing and the beam members is substantially continuous, and adheres the sheathing to the beam members.

A method in which at least one piezoceramic sensor, which converts every mechanical force to which it is subjected into an electrical signal and having a Curie temperature higher than 200° C., is solidarized directly onto the surface of a metal support element of a vehicle braking element, which during use faces a vehicle element to be braked. While in contact with such a surface, an electrical circuit is implemented that picks up and eventually processes the electrical signal, the electrical circuit being connected with a connector integrated with the metal support element. An electrically insulating layer sandwiches the at least one piezoceramic sensor and the electrical circuit, and a block of friction material with an underlying damping layer is formed upon the electrically insulating layer. After forming the block of friction material, the piezoceramic sensor is polarized by applying a predetermined potential difference thereto by means of the connector.

A converter circuit arrangement having a DC intermediate circuit (3) includes a transformer (8) having at least two windings (9 and 10). This transformer (8) is connected in the intermediate circuit (3) such that the undesirable, unbalanced current components lead to magnetization of the transformer core and are thus reduced. A grounded LC filter (Lf, Cf) is connected upstream of the load (6) and produces a sinusoidal voltage across the load (6). In consequence, the circuit can be used with any desired rotating-field machines, and thus also for retrofitting existing systems.

A syngas treatment plant is configured to remove sulfurous compounds and carbon dioxide from shifted or un-shifted syngas in a configuration having a decarbonization section and a desulfurization section. Most preferably, the solvent in the decarbonization section is regenerated and cooled by flashing, while the solvent is regenerated in the desulfurization section via stripping using external heat, and it is still further preferred that carbonylsulfide is removed in the desulfurization section via hydrolysis, and that the so produced hydrogen sulfide is removed in a downstream absorber.

The invention relates to a technique method for directly producing sponge iron by carrying out deep reduction on extracted vanadium tailings, belonging to the field of iron making. The method adopts brown coal as the reducing agent, and simultaneously CaO is added as slag former and used for increasing alkalinity to synergize with Na2O and K2O in the tailings to react with SiO2 and Al2O3 to generate zeolite-like stable mineral so as to boost extraction and separation of sponge iron in products of deep reduction. The products of deep reduction are subject to two-section ore grinding-two-section low intensity magnetic separation technique to obtain sponge iron with iron grade larger than 90% and TiO2 smaller than 0.20%. The invention is simple in technique and easy to control, and has large reserves of raw materials and low price; the product can be used as raw material for steel making; other impurities meet steel making requirements, the technique flow of processing iron ore into rolled steel is shortened, the environment pollution caused by sintering, pelletizing and blast furnace iron making of iron ore concentrate obtained by other methods can be avoided, and the invention has obvious environment benefit and energy conservation and consumption reduction effects.

The invention discloses an improved delayed coking process, aiming at solving the defects of serious heating furnace coking, low liquid product yield and the like in the current delayed coking processes. The process is characterized in that feeds are heated to 360-460 DEG C in a convection chamber or a convection chamber and a radiation chamber of the heating furnace, and then enter a visbreakingreactor for cracking reaction; heavy oil separated from the reaction product enters the radiation chamber of the heating furnace to be heated to 480-515 DEG C and then enters a coke tower; oil gas out of the coke tower singly enters or enters a fractionating tower after being mixed with the gas in the visbreaking reactor for fractionation. By adopting the process of the invention, the delayed coking liquid product yield can be improved, the coke yield reduced, the operation cycle of the delayed coking unit lengthened and the equipment investment lowered at the same time.

A hydrodynamic apparatus for cleaning channels and for monitoring channels is provided for pipes and channels. A disadvantage of all conventional bottom floor cleaners, flushing heads, and channel-cleaning nozzles is that during the cleaning process no observation and determination of the soiling state or, respectively, of the cleaning state of the channel and no recognition of damaged areas in the channel is possible. According to the invention, a monitoring unit (6) is installed selectively in or at the channel-cleaning apparatus. For this purpose, for example, a hollow space (11) is furnished at the bottom floor cleaner (S), wherein the monitoring unit (6) is partly integrated into the hollow space (11). The monitoring unit (6) exhibits a camera module (7) or two camera modules (7a and 7b). A video emitter (15) is coordinated to each camera module (7). The transmission to a video receiver (V) is performed without cable wireless from the video emitter (15). The cleaning process can be followed in a monitor (M). As desired, also ballast material (12) can be filled into the hollow space (11).

The invention provides a powerless type air heat recollection device which is characterized in that the device at leased includes a fresh air channel used for bringing in fresh air and an air exhaustion channel to exhaust the indoor air, wherein, the two ends of the fresh air channel are respectively provided with an air inlet A communicated with the outside and an air outlet B communicated with the inside. The two ends of the air exhaustion channel are respectively provided with an air outlet A1 communicated with the outside and an air inlet B1 communicated with the inside; at least either of the air inlet A or air outlet A1 is provided with an air cap which includes a wind wheel and shaft, which are driven by the external wind power, and a fan which is driven by the shaft and can form a fixed air intake or exhaustion flow in the fresh air channel or the air exhaustion channel under the drive of the wind cap; the device also at least includes a heat exchanger which runs through the fresh air channel and the air exhaustion channel.

A cooking apparatus having a waste heat recovery system for incorporation into broilers, ovens, and toasters, the apparatus including a cooking chamber having a cooking platform, at least one air plenum disposed in the upper portion of the cooking chamber and having a plurality of air outlets for producing a focused forced air, a low pressure air source connected to the air plenums, a heating element or burner disposed under each of said air plenums, such that said curtain of focused forced air guides and directs heat from said heating element toward food product being cooked, and heat exchange pipes disposed between at least two of said air plenums. Radiant heat generated from the heating elements or burners rises in the cooking chamber and is retained between the air plenums to maximize heat transfer from the heated air to the heat transfer pipes, and thus to the low pressure air in the low pressure air system. The recycled heat enhances cooking.

The invention relates to a novel energy-saving glass curtain wall, wherein the shortcoming of natural wind is compensated through mechanical assisted air supply mode, and the problem of unsustainable and unstable airflow is solved. An air inlet is arranged on the windward side, an air outlet is arranged on the leeward side, the air inlet and the air outlet are connected through a ventilating duct or 'an architectural layer ventilating duct' to ensure the air flow smoothly. The distance between the air inlet and the air outlet is increased, the differential pressure of air can be realized, and the effect of 'a chimney effect' is improved. A fireproof grade of an outside curtain wall is lower than a fireproof grade of an inside curtain wall, and the fireproof capacity of a double layer curtain wall is basically same as a single layer curtain wall, the fireproof capacity can be improved through a smoke detector and a spray system. In summer, the invention adopts the mode of spray desuperheating through a fire-fighting spray system, and in daytime pollution-free power supply is supplied to an air supply system and a draught fan through solar energy. According to the improvement, the integrated effect of the double layer glass curtain wall and 'a climate adaptive capacity' is hoped to be improved, and a new idea is provided to the development of the curtain wall and the technological innovation.

An adaptive energy usage management and thermal control system is provided to reduce the energy consumption and cost of operation of a vending machine. The system monitors actual usage of the vending machine to construct a vend profile. This vend profile is used to control periods of normal and conservation operation so as to maintain an adequate supply of product at an appropriate vend temperature based upon the anticipated requirement at any particular time of day, on any particular day of the week. Deviations in the actual demand for product from the vending machine are used to adjust the operating profile. The system may take advantage of information received from external networks the thermal storage capability of the products as well as the cost of energy to reduce energy consumption and the cost of operating the vending machine by varying its operating profile in view of such information.