268results about How to "Little power loss" patented technology

A conductor obtained by connecting a plurality of superconductors by normal conductivity or a conductor comprised of superconductors and normal conductors, said low resistance conductor using superconductors characterized in that an apparent specific resistance of said conductor at below a superconducting transition temperature of said superconductors is lower than the specific resistance of copper at that superconducting transition temperature.

A refractory conveying belt is prepared from the dibasic ethylene propylene rubber, or dibasic ethylene propylene rubber and ternary ethylene propylene rubber through pre-pugging, adding heat conducting agent and anti-ageing agent, pugging, adding reinforcing agent, softening agent and short aramid fibers, pugging, adding cross-linking agent and cross-linking aid, heating, calendering to become sheet, attaching it onto tension-resistant canvas, rolling and sulfurizing.

PCT No. PCT / EP96 / 04068 Sec. 371 Date Mar. 20, 1998 Sec. 102(e) Date Mar. 20, 1998 PCT Filed Sep. 17, 1996 PCT Pub. No. WO97 / 11445 PCT Pub. Date Mar. 27, 1997A consumption recording system affixed to a wall comprises a consumption recording device and a radio module, which is connected to the consumption recording device. A microstrip antenna is connected to the radio module. The microstrip antenna is placed within a non-metallic casing cover of the consumption recording device in such a way that the main radiation direction of the microstrip antenna is directed perpendicularly away from the wall.

A bidirectional switch comprises a first FET, a second FET, and a switch controller for controlling a conductive state in which current from a bidirectional power supply electrically connected to drain terminals bidirectionally flows, and a nonconductive state in which the current does not flow. In the conductive state, the switch controller applies, to gate terminals of the first FET and the second FET, a voltage higher than a threshold voltage with reference to a potential at a node to which source terminals of the first FET and the second FET are connected. In the nonconductive state, the switch controller causes the bidirectional power supply and each gate terminal to be electrically insulated from each other, and applies a voltage lower than or equal to the threshold voltage with reference to the potential at the node.

A treatment system and method for continuous deionization of a biologically derived feed stream includes a plurality of electrodialysis units (3, 9, 10, 11, 12, 13) arranged in stages along a treatment line, and stages are controlled such that the feed stream attains a certain quality before entering the next stage. The feed and concentrate streams move in generally opposite sense along the line, matching fluid characteristics of dilute and concentrate cells. The treatment line has two or more stages. Systems may have phased staging operations, and cell constructions may adapt the electrodialysis units for enhanced processing of difficult process fluids. A controller sets operating potentials in different electrical stages, and simple control parameters optimize ion removal and current efficiency without polarization of the fluid. The invention also includes phased staging of reversal operation, and cell constructions or fillings that adapt the treatment cells for enhanced processing.

A liquid jet apparatus includes a plurality of nozzles provided to the liquid jet head, an actuator provided corresponding to each of the nozzles, drive unit that applies a drive signal to the actuator, drive waveform signal generation unit that generates a drive waveform signal providing a reference of a signal for controlling the actuator, modulator unit that pulse-modulates the drive waveform signal generated by the drive waveform signal generation unit, a digital power amplifier for power-amplifying the modulated signal, which is pulse-modulated by the modulator unit, and a low-pass filter provided individually corresponding to the actuator and for supplying the actuator with the power amplified modulated signal power-amplified by the digital power amplifier as a drive signal after smoothing.

In a switching power supply device with reduced size and increased power conversion efficiency, a first resonant circuit including a series resonant inductor and a series resonant capacitor, and a second resonant circuit including a series resonant inductor and a series resonant capacitor, are caused to resonate with each other to cause sympathetic vibration of each resonant circuit, such that transmission is performed by utilizing both magnetic field coupling and electric field coupling between a primary winding and a secondary winding. Operation at a switching frequency higher than a specific resonant frequency of an overall multi-resonant circuit allows a ZVS operation to be performed, enabling a significant reduction in switching loss and high-efficiency operation.

This invention discloses a sterilization shape memory fabric finishing agent and the processing method. It is composed of the following component and the weight percentage: the river character shape memory polyurethane ranging from 2-20%, the low formaldehyde which can prevent burning the reorganization resin 3-30%, the traditional Chinese medicine extraction used to sterilize 1-10%, the catalyst 1-5%, the remainder is the water. Various components should proportionate duplicate match then. This invention's sterilization river character shape memory fabric finishing agent formaldehyde content is low, the force slightly loses. Besides, it has the shape memory property, the high crease-resist performance, and the antibacterial health care function. So it may substitute for the traditional which can prevent burning the reorganization resin finishing fabric, and the application prospect is broad.

A class-D amplifier includes: an operational amplifier and capacitors, which constitute an integrator for integrating a difference between a plus-sided input signal and a minus-sided input signal which constitute analog input signals; delay circuits for delaying a phase of a triangular wave by a desirable very small angle; resistors, which constitute a synthesizing circuit for synthesizing an output of the integrator, the triangular wave, and outputs of the delay circuits with each other; comparators for comparing outputs of the synthesizing circuit with each other; AND circuits which constitute a buffer for inputting outputs of the comparators; and resistors feeding back an output of the buffer to an input side of the integrator.

A transmission for a vehicle is provided with a plurality of gears supported on shaft members rotatably supported in a case to extend in an axial direction, first and second large-diameter gears soaked at lower parts thereof in lubrication oil stored in a lubrication oil storage region formed at a lower portion of the case for scooping upward lubrication oil during rotations, and first and second receivers arranged to extend in the axial direction of the shaft members for collecting the upwardly scooped lubrication oils to supply the same to parts to be lubricated. The first and large-diameter gears are arranged respectively on one and the other end sides of the plurality of gears in the axial direction. Other gears of the plurality of gears except for the first and second large-diameter gears are formed to diameters that hardly agitate the lubrication oil in the lubrication oil storage region.

A power supply device, comprising first and second lead terminals for connection with a load, a fuel cell, an energy storage element connected between the first and second lead terminals, a synchronous-rectification switching power-source portion for converting the output voltage of the fuel cell to the output voltage of the energy storage element and outputting it to the first and second lead terminals, and a current-detecting portion for detecting the output current of the fuel cell, the switching power-source portion further comprising a first switching element connected to the energy storage element in series, a second switching element connected to the energy storage element in parallel, and a simultaneous-turn-off controller for turning off the first and second switching elements simultaneously when the output current detected by the current-detecting portion is not larger than a preset current threshold.

An input-side protective circuit for protecting an intermediate circuit of an inverter against overvoltages, wherein the input-side protective circuit includes an upstream element for limiting the voltage of the intermediate circuit connected upstream of the intermediate circuit and which is bridgeable by a mechanical switching device that is controllable such that it opens in a feed-in operation of the inverter when an intermediate circuit voltage is greater than a specified voltage limit. The protective circuit also includes an electronic voltage limiter connected downstream of the upstream element and connected in parallel to the intermediate circuit.

The invention relates to a ballast for operating electric lamps, having an inverter (WR), a DC voltage supply circuit (GLV) for the inverter (WR), a load circuit, connected to the inverter (WR), for supplying voltage to one or more electric lamps (LP), a microcontroller (MC) for monitoring and controlling the operation of the ballast and a voltage supply device (HLV) for the microcontroller (MC). According to the invention, the voltage supply device (HLV) is designed as a DC-DC converter-in particular as a step-down converter-, which ensures a voltage supply to the microcontroller (MC) even in the standby mode of the ballast with the inverter (WR) deactivated. As a result, the power consumption in the standby mode can be reduced to less than 0.5 W.

A surface mounting type planar magnetic device comprised of upper ferrite magnetic film, lower ferrite magnetic film and a planar coil interposed therebetween. For applying surface mount technology, an opening is formed in the upper ferrite magnetic film above a coil terminal portion and then, an external electrode conductive with the coil terminal portion through the opening is formed on the upper ferrite magnetic film. Further, this surface mounting type planar magnetic device is of a thin structure and can be mounted on the surface of a printed board. Its power loss is small, its inductance is large, its frequency characteristic is excellent, the disparity of the characteristic is small and its reliability is excellent.

The present invention relates to an actuator apparatus of an active accelerator pedal, which can provide a driver with a pressing-force rise mode or a vibration mode in accordance with the operational condition of the accelerator pedal and the traveling condition of the vehicle; therefore, it is possible to improve fuel efficiency and also help safe traveling. An actuator apparatus of an active accelerator pedal of the present invention includes: an actuator housing fixed to a pedal arm housing; a stator fixed to the actuator housing and electromagnetized by current transmitted though the control of an ECU; a carrier having one end disposed in a stator and the other end disposed toward the pedal arm through the actuator housing, and applying pressing-force to the pedal arm while protruding from the stator when current is applied to the stator; and a position sensor disposed in the actuator housing and detecting the amount of rotation of the pedal arm to determine the amount of current applied to the stator through the control of the ECU.

The invention relates to a flame-retardant fabric, which is made of fiber materials, and specially comprises fiber materials in a weaving, knitting or non-woven form. The flame-retardant fabric is prepared by using a flame-retardant process, and the main ingredients of the flame-retardant fabric include a low molecular pre-shrinking body of tetrakis hydroxymethyl phosphonium sulfate (THPS) and amide, a surfactant, a flame-retardant finishing liquid of high-concentration polyethylene, so that the flame-retardant fabric has a durable flame retardant performance, and the flame retardant performance is not reduced with the increasing of the number of washing times; the flame-retardant finishing does not change the original features of the fabric fibers, so that the fabric is soft in handfeel, and small in strength loss, and the comfortableness and durability of the fabric are basically kept, therefore, the flame-retardant fabric has a characteristic that the fabric is carbonized after meeting fire and self-extinguished after leaving fire, and the spread of flames is effectively prevented; and the protective clothing prepared by using the fabric can prevent flames from causing harm to the human body.

The invention belongs to the technical field of fiber dyeing, and particularly relates to a dyeing method for calcium alginate fibers. According to the dyeing method for the calcium alginate fibers, dye containing polyethylene polyamine framework structures is adopted to dye the calcium alginate fibers; the defect that the fibers are damaged due to the fact that inorganic salt needs to be added for dyeing accelerating in the dyeing process of traditional dye is fundamentally overcome, and the strength loss of the fibers after dyeing is small; meanwhile, compared with the weaker intermolecular force and hydrogen-bond interaction between general direct dye and the fibers, the acting force between molecules of the dye and the fibers is higher, and then the advantages of being higher in dye-uptake rate and soaping fastness and the like are achieved; the dyed fibers are uniform and bright in color and meet the dyeing requirements of the calcium alginate fibers, and the dyeing method is economical in energy and environmentally friendly.

A multi-antenna system comprising a plurality of linearly connected antenna units, and a base station device connected to at least one of the antenna units. The antenna units connected in a first direction or a second direction are combined to constitute a multi antenna. The multi-antenna system comprises a unit addition unit that adds one unit to number-of-connected-antenna-units information which is input from the first direction; a number-of-connections sending unit that sends the number-of-connected-antenna-units information, to which one unit has been added as described above, as the number-of-connected-antenna-units information in the second direction; a received data addition unit that adds input digital data, which is input from the first direction, to received digital data; an added-digital-data sending unit that sends the digital data, to which input digital data has been added, as input digital data in the second direction; and a transmission data sending unit that copies the transmission digital data, which is input from the second direction, and sends the copied digital data in the first direction.

The invention relate to a power supply apparatus operating on the charge pump principle, comprising multiple regulators and three boosting capacitors switched in a switch matrix consisting of nine switches. A control circuit is provided capable of controlling the switches so that the charge pump is changed over between charging phases and discharge phases and which is capable of operating the charge pump in different voltage gains (1; 4 / 3; 3 / 2; 5 / 3; 2). The invention comprises furthermore a mode transitioning system. The selection of a mode is based on comparators capable of comparing signals from current regulation elements to predetermined voltages and then when the former attains the latter, changing over the charge pump into the corresponding other mode, wherein the predetermined voltages are selected so that the efficiency of the converter is optimized.

A power control apparatus includes an input terminal and an output terminal for an AC signal; a DC removing capacitor connected between the input terminal and the output terminal; and a variable capacitor that is connected between the input terminal and the output terminal and whose capacitance can be changed by a control signal. One of a current and a voltage of the AC signal is controlled by changing the capacitance of the variable capacitor using the control signal, and dielectrics that form a serially connected row of capacitors composed of the DC removing capacitor and the variable capacitor are configured so as to be integrally laminated, and the control signal is applied across a dielectric that forms the variable capacitor and the AC signal is applied across the dielectrics that form the row of capacitors.

The invention provides a resin finishing agent composition for purified cotton clothes and a preparing method thereof. The resin finishing agent composition is a multi-ingredient resin finishing agent prepared by using etherified modified glyoxal resin, vinol, a polyethylene softener, an organic siloxane softener, MgCl2.6H2O, water and the like as main parts. The resin finishing agent composition is used in three-dimensional cat whisker crumpling finishing of pure cotton clothes. Compared with the conventional resin finishing agent, the resin finishing agent composition of the invention simplifies production technology and reduces operation and technology difficulties; and after finishing, fabrics have strength retention of 65-75%, a wrinkle recover angle (WRA / degree) is greater than 254 degrees, and the cat whisker three-dimensional retention effect reaches four to five level.

Disclosed herein is an LLC half-bridge power converter for driving an LED, which uses a CMOS timer IC having 50% duty cycle and a usable frequency range of 50 KHz through 1 MHz as a controller. In the LLC half-bridge power converter for driving an LED, the output of a rectifier is detected to operate an opto-coupler according to a soft-start set value and the opto-coupler is controlled to be turned off when the output of the rectifier exceeds a set rated voltage. The capacitance of a frequency varying condenser of the controller is varied by the opto-coupler to change the frequency of the controller so as to rapidly stabilize the output level and maintain a desired output level.

A flexible surface heating element, particularly for seat heaters, comprises a heating field of conductive fibers electrically connected to at least one contact strip. The contact strip contains a portion of conductors in the form of steel filaments and a portion of conductors in the form of filaments of a higher conductivity than that of the steel filaments. The two types of conductors are electrically interconnected and held by means of textile and / or metallic yarns on a textile band, the conductors of higher conductivity extending above and / or under the steel conductors and being electrically connected to said conductors. A method for producing the flexible heating element is also provided.

This invention discloses a kind of oil applied to the polyester industry, its characteristic is that the oil is composed of the following component: (A) 5 ~ 70 weight % refining mineral oil; (B) 10 ~ 85 weight % polyatomic alcohol fatty acid esters; (C) 5 ~ 55 weight % copolymerizations ether; (D) 2 ~ 40 weight % fatty acid polyoxyethylene ester; (E) 1 ~ 15 weight % antistat; (F) 0.1 ~ 10%'s adhesion function improver. The oil can solve these defects of the present oil that both the heat resistance and the gluing function are bad. Since the heat resistance and the flatness are good, the smoke is few, the carbon build-up is few , waste thread rates is low in spinning handicraft; original silk brute force and modulus are good, maintained extension, breaking extension are low; The brute force loss in back handicraft processing is low , there is no color difference in the dyeing process.