66results about How to "Effective rectification" patented technology

A device housing a battery 50 includes a receiving coil 51, and a charging pad 10 includes a transmitting coil 11 that magnetically couples with, and supplies charging power to the receiving coil 51. The device further includes a modulator circuit 61 that changes the impedance of the receiving coil according to internal battery 52 data. The charging pad further includes a detection circuit 17 that detects receiving coil impedance changes to detect the battery data. The modulator circuit 61 has a load circuit 62 that is connected in parallel with the receiving coil 51 and has a series-connected switching device 64 and impedance modulating capacitor 63, and a control circuit 65 that switches the load circuit 62 switching device 64 ON and OFF according to the battery data. The modulator circuit 61 switches the switching device 64 ON and OFF to transmit battery data to the charging pad 10.

A multidimensional evaluation method for a large-scale grounding grid includes the following steps of on-site testing, numerical calculation based on the electromagnetic field principle and multidimensional evaluation on the grounding grid. The foothold of the multidimensional evaluation method for the grounding grid is based on basic functions of the grounding grid, the basic functions are stream breaking and potential holding safety performance under power frequency grounding faults and lightning stroke faults, and the evaluation problems of characteristic parameters reflecting the safety performance of the grounding grid under the power frequency grounding faults and in the state of lightning stroke are mainly solved, wherein the characteristic parameters relate to grounding grid potential rising, potential difference in the grid, a step voltage, a contact voltage and the like. The multidimensional evaluation on the grounding grid is achieved from the aspects of the characteristic parameters of the grounding grid, integrity of the grounding grid, corrosion evaluation, thermal stability check and the like, safety of the grounding grid is expressed more scientifically, the evaluation on the state of the grounding grid is more accurate, and the safety problem and the defects of the grounding grid are rectified more effectively in a more pertinent mode.

Ascooter-type vehicle includes a pillion passenger steps supported by a body frame so as to be movable between an extended position where the pillion passenger step projects from a seat side cover cover and a stored position where the pillion passenger step is folded toward the body cover. The present invention aims to provide a scooter-type vehicle where a part of a body cover on the periphery of a pillion passenger step can easily be replaced at low cost. The body cover includes a floor cover which covers the low floor portion from above and from both sides and a seat side cover which covers from the side a rear portion of the body frame below the riding seat. The floor cover is provided with a recessed portion for storing the pillion passenger step in its stored position, and a seat lower cover formed separately from the floor cover and the seat side cover is disposed between the floor cover and the seat side cover so as to be tilted rearward upwardly along an upper edge of the storing recessed portion as viewed from the side.

The invention provides a rear spoiler which is capable of suppressing an increase in air resistance and applying a downforce to a vehicular rear portion during high-speed vehicle traveling. The rear spoiler (1) on the rear upside of a vehicle includes a main body (2) that is longer in a longitudinal direction than in a width direction. The main body (2) includes an air introduction opening (14) of air currents, and a wing (3) and an air outlet (17) communicating with the opening (14) at the rear. The air currents introduced from the opening (14) during traveling are blown off from the air outlet (17). Consequently, vortex flows generated at the rear is rectified, thus permitting travel resistance to be reduced. Further, the main body (2) is arranged in the vehicular lateral side and hence by rectifying the vortex flows generated by the air currents coming around the vehicular lateral side, the air resistance is restrained from increasing during high-speed traveling, permitting the travel resistance to be reduced.

The invention discloses a nuclear fuel assembly based structural grillwork with a flow hybrid coordinating effect. The structural grillwork comprises a grillwork formed by mutually perpendicularly interweaving a plurality of stripes, a pair of mixing wings are respectively arranged on the two sides of the top of the intersection position of the stripes, and each stripe is recessed to form a half-buckled-shaped rigid protruding structure. With the adoption of the half-buckled-shaped rigid protruding structure, the coordination between a clamping system and a mixing system is achieved, the hybrid performance of the structural grillwork is enhanced, thereby improving the critical heat flux density of a nuclear fuel assembly; and with the oblique channel type paired half-buckled-shaped rigid protruding structure, the internal flow of the structural grillwork is effectively rectified, so that the pressure loss is reduced to some extent.

Provided is an aerodynamic device for effectively straightening airflow in a wheel house. A stationary aerodynamic stabilizer (10) is formed rearward, relative to the front-rear direction of a vehicle body, of a rotation axis of a front wheel (15) in the wheel house (16), and the stabilizer (10) is formed as a step having an airflow collision groove wall facing downward, relative to the top-bottom direction, of the vehicle body. Airflow (F) occurs when the front wheel (15) rotates in the direction of arrow R, and the stationary aerodynamic stabilizer (10) limits entry of the airflow (F) into the wheel house (16).

The invention relates to the field of new energy and discloses a manufacturing method of a high-energy-density quasi-solid-state sodium ion battery, and the method comprises two main technological processes of pre-preparing sodium and removing secondary packaging of a positive electrode for pre-preparing sodium. According to the pre-preparing sodium process, under the action of an electric field,a positive electrode for sodium prefabrication is subjected to single-layer coating, and uniform sodium plating is formed on the surface of a porous aluminum foil by compounding a sodium ion polyethylene and polyphenylene sulfide-based composite solid electrolyte, so that nucleation and growth of metal sodium are uniform, and dendritic crystal generation is inhibited. The sodium-ion polyethylene polyphenylene sulfide-based composite solid electrolyte can be tightly adhered to a sodium storage aluminum-copper negative electrode after sodium is prefabricated, and can be easily separated from a single-layer coated positive electrode for pre-sodium, the positive electrode for pre-sodium after sodium removal is taken out, the internal damage of a battery cell cannot be caused, and secondary vacuumizing and sealing are performed. The battery manufactured by the method has good flame retardant property and good thermal stability, the electrolyte injection amount is reduced, combustibles in the battery are also reduced, and the safety performance of the battery is improved.

The present invention provides a miniature zoom lens having a first, a second, a third, a fourth, and a fifth lens group from object side to image side in order. The powers of those lens groups in same order are positive, negative, positive, positive, and positive. The first lens group for receiving light and the third lens group are fixedly positioned. The second lens group for zooming, the fourth lens group for compensating aberration and the fifth lens group for focusing are movably positioned. When the zoom lens is zoomed from wide status to telephoto status, the second lens group is moved toward the third lens group, the fourth lens group is moved close to the third lens group. The sensitivity of the zoom lens is determined by second lens group to simplify the adjusting and proofing procedures of other lens groups.

The invention discloses a double-barrel inner turbine central cylinder of a cyclone separator. The double-barrel inner turbine central cylinder comprises a central cylinder outer barrel which is inserted into the top of a separator barrel body, a central cylinder inner barrel arranged in the central cylinder outer barrel, a central cylinder inner turbine arranged between the central cylinder outer barrel and the central cylinder inner barrel, and a central cylinder guide cover which is arranged on the inner bottom of the central cylinder, wherein the central barrel inner turbine adopts a spiral steam-line type structure; a rotation direction of blades of the central cylinder inner turbine is different from that of gas flow; the central cylinder inner turbine is provided with 1-8 blades; an included angle between the tangential line of each blade and the circumferential direction is a blade mounting angle being 10-100 degrees; and the central cylinder guide cover is in the shape of bullet. By virtue of the depth, penetration depth of the central cylinder is shortened, integral resistance of the cyclone separator is reduced, flow fields in the separator are optimized, gas-flow tail waggling is relieved, flying dust is avoided and separation efficiency is improved; and the associated scheme can be used for efficiency-enhancing modification of the cyclone separator and design of a high-efficiency low-resistance cyclone separator.

An active rectifier (12) couples a first input voltage (Vin1) to a first electrode of a first transistor (M3) having a second electrode coupled to an output (4) conducting an output voltage (Vout), and couples a second input voltage (Vin2) to a first electrode of a second transistor (M4) having a second electrode coupled to the output conductor. A first amplifier (A1) controls a voltage (V16) of a gate of the first transistor to maintain an input offset of the first amplifier between the first input voltage and the output voltage while the first input voltage exceeds the output voltage, and a second amplifier (A2) controls a voltage (V15) on a gate of the second transistor to maintain an input offset between the second input voltage and the output voltage while the first input voltage exceeds the output voltage. The input offsets prevent backflow of current from the output to either of the first electrodes when the first or second input is nearly equal to the output voltage.

The invention provides an airflow uniform distribution type wet-method smoke desulfurization and absorption tower. The airflow uniform distribution type wet-method smoke desulfurization and absorption tower comprises an absorption tower barrel body, wherein a slurry tank is arranged at the bottom of the absorption tower barrel body; a smoke inlet channel is arranged in a barrel wall of the absorption tower barrel body above the slurry tank; a smoke outlet channel is arranged at the top of the absorption tower barrel body; an adsorbent slurry spraying device and a demister are arranged between the smoke inlet channel and the smoke outlet channel from top to bottom; an airflow uniform distribution device is arranged between the adsorbent slurry spraying device and the smoke inlet channel; the airflow uniform distribution device comprises a plurality of flow guide rods which are arrayed horizontally at intervals; the cross section of each flow guide rod is in an inversed V-shaped structure. According to the airflow uniform distribution type wet-method smoke desulfurization and absorption tower, smoke in the absorption tower can be distributed uniformly so that airflow in the absorption tower is effectively rectified, the problem that the partial air speed is too high is solved obviously, the contact area between the smoke and the slurry is enlarged and the contact time between the smoke and the slurry is prolonged; the utilization rate of the slurry is improved; the airflow uniform distribution type wet-method smoke desulfurization and absorption tower has the characteristics of simple structure, low modification cost and the like, is convenient to maintain and is easy to popularize.

The invention relates to a negative oxygen ion jet flow guiding top side type fume exhauster technique. A wind barrel is disposed on a fume collecting hood of the fume exhauster, the bottom edge of the wind barrel connects with the top edge of the fume collecting hood, a panel is disposed at the front portion of the fume collecting hood, a luminous lamp and a control switch are disposed at the front portion of the panel, two separators are fastened symmetrically on the panel, a negative oxygen ion generator is disposed at the front portion of the panel, the nozzle of the negative oxygen ion generator is disposed at the inlet of the fume channel, a lower connection barrel in which a filter net and a diverter are provided is disposed on the wind barrel, and an air vent conduit communicating with a negative oxygen ion jet flow guiding pipe which is suspended above the kitchen range is disposed at the two sides of the lower connection barrel. Fume is commutated effectively by using the inventive fume exhauster to perform fume discharging.

The present invention provides a miniature zoom lens having a first, a second, a third, a fourth, and a fifth lens group from object side to image side in order. The powers of those lens groups in same order are positive, negative, positive, positive, and positive. The first lens group for receiving light and the third lens group are fixedly positioned. The second lens group for zooming, the fourth lens group for compensating aberration and the fifth lens group for focusing are movably positioned. When the zoom lens is zoomed from wide status to telephoto status, the second lens group is moved toward the third lens group, the fourth lens group is moved close to the third lens group. The sensitivity of the zoom lens is determined by second lens group to simplify the adjusting and proofing procedures of other lens groups.

The invention provides an entrance guiding cone used for a vertical oil-gas mixing transmission pump, the guiding cone is arranged at the center of the cavity of the vertical oil-gas mixing transmission pump uniform blender and positioned at the entrance of the mixing transmission pump; the guiding cone is at least constructed by a guiding cone body, a round diversion pad and a guiding cone base tightly connected with each other in sequence from top to bottom; the lateral periphery of the guiding cone is distributed with diversion vanes used for diverging the direction of the multi-phase fluid; the lateral periphery of the guiding cone base and the diversion pad are consecutive streamline surface; and the lower part of the guiding cone base is connected with the shell of the mixing transmission pump uniform blender. The guiding cone uses the diversion vanes to commutate oil-gas multi-phase fluid to be fit for entering the mixing transmission pump pressurizing unit to guarantee the normal work of the pressurizing unit, thus ensuring that the oil-gas mixing transmission pump operates stably and safely, and the work performance of the vertical oil-gas mixing transmission pump can be optimal.

A straddle-type vehicle that ensures visibility of a flasher lamp while decreasing the possibility of damage due to a fall. A body cowl is formed with a groove that extends longitudinally of. A flasher lamp is outwardly convex in a vehicle width direction and is accommodated in the groove. An outer end of the flasher lamp is positioned inwardly of a side end portion of the body cowl in the vehicle width direction.

In this invention, systems and methods are described that allow performing stereo reconstruction with line-scan cameras in general configurations. Consequently, the cumbersome exact alignment of the sensor lines becomes superfluous. The proposed method requires that telecentric lenses instead of perspective lenses are mounted on the line-scan cameras. In this case, the images can be accurately rectified with stereo rectification. The rectified images can be used to perform an efficient stereo matching. The method comprises a camera model and a calibration procedure that allow to precisely model the imaging process, also including the modelling of lens distortions even if the sensor lines are not exactly mounted behind the principal points. This ensures a high accuracy of the resulting 3D reconstruction.

A method of processing a semiconductor wafer is provided. The semiconductor wafer is processed with a first process. After collecting the measured data that reflects the deviation of each part within the semiconductor wafer, the semiconductor wafer is processed with a second process according to the measured data to compensate the deviation from the first process and to correct any deviation in the semiconductor wafer.

A circuit arrangement (100) for a transponder comprises a control circuit (103) and an input circuit, wherein the input circuit comprises a first resonator (101), which comprises a first coil (104) and a first capacitor (105), and a second resonator (102), which comprises a second coil (108) and a second capacitor (109). The first capacitor and the second capacitor are designed as a first varactor and as a second varactor, respectively. Furthermore, the first resonator and the second resonator are designed in such a way that they can be used to provide a first output voltage and a second output voltage, respectively. Moreover, the control circuit (103) is designed in such a way that it can be used to control at least one of the varactors (105, 109) so that a resonant frequency of the corresponding resonator can essentially be set to a predefined transmission frequency such that the output voltage of the corresponding resonator of the input circuit can be increased.

The invention relates to a corrugated plate for wet processes desulphurization tower and an airflow distributing device composed of the corrugated plate. The corrugated plate comprises a plurality of horizontally arranged corrugated plate modules and supporting beams, wherein each corrugated plate module is integrally formed by a plurality of mutually parallel valley and peak plates and side wall plates connected with the valley and peak plates and having inclination angles, a plurality of round through holes are uniformly distributed in the valley plates, the side wall plates and the peak plates, and the corrugated plate modules are connected and fixed to the supporting beams through bolts. The corrugated plate can achieve effective flue gas rectification, airflows are mutually interfered through optimal parameter values due to inclined arrangement of the side wall plates after flue gas passes through the airflow distributing device, and the flue gas flowing speed is reduced, so that the flue gas in a tower is uniform in distribution, falling slurry drops form a liquid film on the surface of the corrugated plate, the standing time of the slurry is prolonged, mass transfer between two phases of air and liquid is enhanced, the desulphurization efficiency is improved, and a synergic flue gas dust removal effect is improved. By arranging the bolts and the supporting beams, the corrugated plate is simple in structure and convenient to install, dismount and maintain.

A circuit system and process utilizes back electromotive force (BEMF) voltage to assist in safe power down of devices, such as the read / write head in from low factor disk drives or similar devices. The BEMF voltage from a motor device, such as a spindle motor utilized in a circuit using negative voltage to drive some switches, such as positive channel metal oxide semiconductor (“PMOS”) driver transistors, to reduce and / or effectively minimize the on-resistance of the switches while delivering the current from BEMF voltage of the motor to another device, such as a motor that retracts controls a read / write head.

A heat dissipation module comprises a fan and a first heat dissipation unit, wherein, the fan is provided with a frame body and a fan leaf group arranged in the frame body; the frame body is provided with an air inlet and an air outlet; a flow channel communicated with the air inlet and the air outlet is formed between the fan leaf group and the frame body; the first heat dissipation unit comprises a first heat dissipation seat, a first heat dissipation fin group arranged at the internal wall of the frame body and positioned above the flow channel, and a first heat pipe connected between the first heat dissipation seat and the first heat dissipation fin group.

A rectifying wind barrel of a cooker hood is provided with a rectangular shape, comprising a fume canal base plate, an upper cover, a left side plate, a right side plate and a turbine housing. An electric motor is fastened on the turbine housing side plate of the rectifying wind barrel, a blade wheel which is covered by the turbine housing is disposed on the electric motor shaft, and a fume rectifying part is disposed in the wind barrel. The rectifying wind barrel rectifies fume by the fume rectifying part, and a wind inlet flow guiding plate is disposed at the initial position; a flow guiding cover is disposed at the upper segment of the fume canal formed by a turbine housing wind inlet side plate and the fume canal base plate; the throat portion of the fume canal outlet is formed by sequentially connecting a wind discharging segment and a wind charging segment of the turbine casing wall, and the turbine housing wind inlet side plate, the wind discharging segment of the turbine housing changes to a curve surface from the housing wall horizontal center, the wind charging segment of the turbine housing wall changes to a curve surface from a folding point upwards, the part of the turbine housing wind inlet side plate adjacent to the throat portion changes to a curve surface from the horizontal center; and a valve sheet protrudes in the connection barrel on the wind outlet throat portion. The invention is provided with a simple structure, big extraction force, energy saving little turbulent current forming probability.