653results about How to "Reduce load capacity" patented technology

A fixation system for bones with a force support having holes and bone screws adapted to be inserted into the holes where at least one hole is oriented obliquely to the force support.

A level shifter 13 is provided for each of SR flip flops F1 constituting a shift register 11. The level shifter 13 increases a voltage of a clock signal CK. This arrangement reduces a distance for transmitting a clock signal whose voltage has been increased, as compared with a construction in which a voltage of a clock signal is increased by a single level shifter and the signal is transmitted to each of the flip flops; consequently, a load capacity of the level shifter can be smaller. Furthermore, each of the level shifters is operated during a pulse output of the previous level shifter 13, and the operation is suspended at the end of the pulse output. Thus, the level shifters 13 can operate only when it is necessary to apply a clock signal CK to the corresponding SR flip flop F1. As a result, even when an amplitude of a clock signal is small, it is possible to reduce power consumption of the shift resister under normal operation.

An insertion device is used to deform a deformable intraocular lens to a reduced size and insert the deformed lens into an eye through an insertion tube. The insertion device includes a push rod for pushing and inserting the lens into the eye, and a posture control member disengagably engaged with a tip end portion of the push rod. The posture control member prevents deflection of the push rod from a center axis. The engagement between the posture control member and the push rod is broken when the push rod arrives at a predetermined position during a step of advancing the push rod.

An insertion device is used to deform a deformable intraocular lens to a reduced size and insert the deformed lens into an eye through an insertion tube. The insertion device includes a push rod for pushing and inserting the lens into the eye, and a posture control member disengagably engaged with a tip end portion of the push rod. The posture control member prevents deflection of the push rod from a center axis. The engagement between the posture control member and the push rod is broken when the push rod arrives at a predetermined position during a step of advancing the push rod.

A method for reducing the loads acting on a wind turbine yaw system due to yawing moments which are induced to the yaw system by a rotor which comprises at least one rotor blade with a pitch control system is provided. In the method, the yawing moment which is induced to the yaw system by the rotor is determined and the pitch of the at least one rotor blade is set based on the detected yawing moment such that the determined yawing moment is reduced.

The invention relates to a lightweight energy-saving insulating concrete, belonging to building materials. The invention comprises the master batches and accessories in accordance with the following parts by weight: master batches: 30-70 parts of cementing materials, 25-60 parts of fillers, 5-10 parts of strength activators, and accessories: 1-3 parts of waterproof agents, 2.0-3.0 parts of bleeding agents, 2.0-5.0 parts of suspending agents, 0.1-0.5 part of foam stabilizer, 38-60 parts of honeycomb agents, 0.5-1.5 parts of rusty retardant agents, 0.02-10 parts of reinforcing agents, 1.2-4.2 parts of early strength agents and expanding agents and 0.6-1.4 parts of acid and alkali resistant fibers. The concrete has the advantages of high early tensile and compressive strength, no decrease and crack of later strength and simple manufacturing process. According to the requirement of the building structure, the technical target of the concrete can be realized by regulating the mixing proportion. The concrete can be used for manufacturing various products at normal temperature and is widely applied to insulating and self-waterproof building engineering.

A host load server balances a web host's load capacity among multiple competing web crawlers of a search engine. The host load server establishes a lease for each pair of requesting web crawler and requested web host. The lease expires at a scheduled time. If the web crawler completes its mission of retrieving documents from the web host prior to the expiration of the lease, the host load server releases the load capacity allocated to the web crawler and makes it available for other competing web crawlers. If the web crawler submits a request for renewing its lease with the web host at the scheduled time, the host load server allocates another share of load capacity to the web crawler. If the web crawler does not submit any request at the scheduled time, the host load server terminates the lease and releases the load capacity for other web crawlers.

An unmanned aerial vehicle is guided to the component for the inspection. A certain predefined distance between the unmanned aerial vehicle and the component is chosen in a way that high resolution images of the component are gathered by the unmanned aerial vehicle. The images are gathered by an image acquisition system. The inspection is done remote controlled and based on the images, which are gathered by the unmanned aerial vehicle.

The invention discloses a method and a device for processing heterogeneous information contents. The method comprises the following steps of: receiving heterogeneous information data contents of a service provider; obtaining a corresponding predefined format according to information types of the heterogeneous information data contents; analyzing the data contents according to the predefined format and packaging the analyzed data contents as a content entity; and storing a content object to a corresponding content library by mapping a reversely-defined document type definition (DTD) document. According to the method and the device, disclosed by the invention, various heterogeneous information data types are analyzed and stored; the content library of corresponding types is created; the heterogeneous information data types are stored to the content library and then can be associated to heterogeneous information integrated sets of different service demand parties, so that the query of the service system and the issue of the data contents are facilitated; and the technical problems of load of network transmission bandwidth, unicity of the provided data format, poorer expansibility of content delivery, and the like during docking the heterogeneous information contents of a plurality of systems in the prior art are solved.

A support deck for a treadmill is disposed under an upper stretch of an endless tread belt to support the tread belt and a user thereon. The support deck includes a plurality of indentations on a top surface thereof. Lubricant or lubricating oil is received in the indentations for lubrication between the support deck and the tread belt, thereby reducing friction between the support deck and the tread belt. Thus, the wear of the tread belt decreases, and the life of the tread belt increases. Moreover, the support deck may further include a plurality of ridges on the top surface thereof to offer foot reflexology.

The invention discloses a wide range speed control system and current distribution method for a hybrid excitation synchronous machine. A control policy is applied to armature drive and excitation drive simultaneously. When the motor is in the starting period, a rated forward magnetism strengthening current is applied to the exciting winding to increase the starting torque of the motor, so that the motor obtains electromagnetic torque exceeding the rated torque under the condition of no overcurrent, and the transition time of motor starting is shortened. When the motor is in the low speed operating interval, if the motor load exceeds the rated load, the electromagnetic torque of the motor is increased by applied the forward magnetism strengthening current, so that the motor obtains excessive loading capacity under the condition of no overcurrent and no overheat. When the motor operates at high speed, a constant power operating interval far above the rated rotating speed can be obtainedby applying an appropriate reverse exciting current to HESM (Hybrid Excitation Synchronous Machine) and performing weak magnetic regulation on the d-axis armature current.

A construction method for a precast energy pile is characterized in that a heat transfer tube is embedded into a hollow steel tube, the hollow steel tube replaces a traditional solid reinforcement and serves as a main reinforce ement of the precast pile, and for being connected with the heat transfer pipe in the precast pile, a heat transfer elbow and a heat transfer tube joint are embedded into a precast pile shoe and a precast pile cap. As the heat transfer tube is embedded into the hollow steel tube, the technical problems of mutual interference, poor concrete compactness, reinforcement corrosion, effect on the overall bearing capacity of a pile foundation and the like caused by binding and embedding of the heat transfer tube and the main reinforcement are effectively solved. Moreover, the embedded tube is higher in survival rate, a large number of piles are conveniently stacked and safely transported, construction period is short, and underground space and construction cost are saved.

A blade control system of the present invention includes a distance calculating part, a blade load obtaining part and a lift cylinder controlling part. The distance calculating part is configured to obtain distance between a designed surface and a cutting edge of a blade. The blade load obtaining part is configured to obtain blade load acting on the blade. The lift cylinder controlling part is configured to execute a dozing control when the aforementioned distance is greater than a first distance. Further, the lift cylinder controlling part is configured to execute a dozing control when the aforementioned distance is less than a second distance.

A toner for electrophotography contains a binder resin, a charge control agent, and a colorant. The colorant is a black iron oxide compound containing 10 to 45% by weight of titanium component calculated in terms of Ti atom in relation to Fe atom when measured by wavelength dispersive X-ray fluorescence spectrometry. Peaks at Bragg angle 2θ of the toner to CuKα X-ray are peak A at 32.9 degrees ±0.3 degrees and peak B at 35.5 degrees ±0.3 degrees, and X ray intensity ratio between peaks A and B (A / B) is in the range of 0.3 to 2.0 at a scan speed of 0.5 to 4 degrees / min.

The present invention relates to a honeycomb concrete belong to a building material. The honeycomb concrete comprises the mother material and supplementary material with the following weight proportion: quick hardening sulfaluminous cement or ultrastrength cement: 30-70 parts; filling material: 25-60 parts; ordinary Portland cement: 5-10 parts; waterproofing agent: 1-1.5 parts; bleeding agent: 2.0-3.0 parts; suspension agent: 2.0-5.0 parts; foam stabilizer: 0.1-0.5 parts; and honeycomb agent: 38-60 parts. The invention has the following advantages and beneficial effects: light weight, high strength, long service lifetime, heat preserving with high efficiency, heat insulation, sound insulation, self-water-proofing, non combustibility, impact resistance, small contraction percentage, convenient construction and installation, reducing the weight of the building, increasing the using area, convenient product preparation and construction, the concrete not only can be made in factory but also can be made at the construction site.

A master-slave-type scanning flip-flop circuit is capable of operating at a higher speed by reducing a load capacity of a clock controller. The master-slave-type scanning flip-flop circuit is used to test a semiconductor integrated circuit device, and has a master latch and a slave latch each for temporarily holding an input signal, a first scan controller, a clock controller, and a second scan controller. The first scan controller receives an output signal from the master latch and outputs the received output signal in synchronism with a scan clock which is a clock for testing the semiconductor integrated circuit device, when the semiconductor integrated circuit device is tested. The clock controller receives an output signal from the first scan controller and outputs the received output signal to the slave unit in synchronism with a predetermined clock when in a normal mode of operation. The second scan controller has an input terminal connected to an output terminal of the first scan controller, and outputs a scan-out signal corresponding to a scan-in signal which is an input signal for testing the semiconductor integrated circuit device, in synchronism with the scan clock when the semiconductor integrated circuit device is tested.

The invention discloses a silt solidification soil construction technology which comprises the steps of surface cleaning drainage, silt sampling, detection analysis, excavation stacking, stirring and mixing, filling and grinding and stabilized soil maintenance. Through solidification soil in-situ solidification, silt and a curing agent are stirred and mixed to form silt solidification soil, and the curing agent is prepared through expanded graphite, activated carbon, cement, quick lime, gypsum, lignocelluloses, coal ash, granulated blast-furnace slag powder, coal gangue, caustic dross, hydroxypropyl methyl celluloses, furfural residues, medical stone and smectite clay. By means of the silt solidification soil construction technology, original flowing high-water-content low-strength high-compressibility silt is converted into high-compressive-strength excellent-entire-board-performance, good-durability and environment-friendly solidification soil, and the requirement of shallow ground earthwork materials for roads, storage yards, ports, reclamation projects, afforesting and the like can be met.

The invention discloses a direct torque control method for a six-phase synchronous motor with zero-sequence current self-correction. The direct torque control method for the six-phase synchronous motor with the zero-sequence current self-correction comprises firstly, performing voltage vector reconstruction based on an idea that a zero-sequence current is equal to zero and accordingly proposing an idea DTC (Direct Torque Control); secondly, performing discrete compensation on the actual voltage vector acting time based on the dead-time compensation principle; finally, continuously compensating the voltage vector acting time through a PI adjuster and achieving a purpose that the zero-sequence current is equal to zero. The direct torque control method for the six-phase synchronous motor with the zero-sequence current self-correction solves the problem of eliminating low-order harmonic currents in a six-phase symmetrical winding permanent magnet motor DTC system of a torque and magnetic flux linkage double-hysteresis-loop structure.

The invention provides a filling-reclaiming method for building land in coal mining subsidence areas, which belongs to the technical field of mining and is used to solve the problem of developing and utilizing coal gangue. The invention adopts a technical scheme that the method is implemented according to the following steps: a, draining accumulated water in reclamation areas and clearing silt; b, striping and stockpiling surface soil; c, determining the thickness and density of coal gangue for hierarchical backfilling through a vibration pressure test; and d, performing hierarchical backfilling compaction on the coal gangue and soil. The method has the following main advantages that: 1, the ways of utilizing the coal gangue are expanded, and environmental pollution caused by stockpiling the coal gangue on ground is reduced; 2, the situation that building land is increasingly short is alleviated by reclaiming subsidence land to be the building land; and 3, the treatment for coal gangue for large-area hierarchical backfilling by a hierarchical vibration-compaction method is economical, reasonable and ideal in compaction effect, can improve the compactness and bearing capacity of coal gangue layers, and can prevent the spontaneous combustion or efflorescence of coal gangue foundations and the separation of harmful substances from polluting local environment because hierarchical compaction greatly reduces porosity and isolates air.

An inner spacer is formed in a sidewall of a gate in contact with a first active region that is electrically connected to an upper capacitor, thereby reducing a gate induced drain leakage (GIDL). A structure of a recess gate transistor includes a gate insulation layer, a gate electrode, a first gate spacer, a second gate spacer and source / drain regions. The gate insulation layer is formed within a recess. The gate electrode is surrounded by the gate insulation layer and is extended from within the recess. The first gate spacer is spaced with a predetermined distance horizontally with a portion of the gate insulation layer, being formed in a sidewall of the gate electrode. The second gate spacer is formed in another part of the sidewall of the gate electrode. The source / drain regions are formed mutually oppositely on first and second active regions with the gate electrode therebetween.

A method of densifying porous substrates by chemical vapor infiltration comprises loading porous substrates for densification in a loading zone of an enclosure (10), heating the internal volume of the enclosure, and introducing a reagent gas into the enclosure though an inlet situated at one end of the enclosure. Before coming into contact with substrates (20) situated in the loading zone, the reagent gas admitted into the enclosure is preheated, at least in part, by passing along a duct (30) connected to the gas inlet and extending through the loading zone, the duct being raised to the temperature inside the enclosure, and the preheated reagent gas is distributed in the loading zone through one or more openings (33) formed in the side wall (32) of the duct, along the duct.

The metal pile head set inside the sunken tube features the conic shape with large-headed horizontal pin on the inner wall. By means of the metal pile head, the sunken tube and corresponding piling method, the diameter ratio between the enlarged pedestal and the pile column may reach 1.5, and the routine enlarged pedestal has area up to 2.3 sq m and bearing capacity up to 270 T. Owing to the setting sunken tube, dry soil taking and air sucking, the pedestal enlarging process can clean the bottom of pile to reach the effective factor of 1.00. The existence of the sunken tube can ensure the reliability of the enlarged pedestal, and the bottom may be enlarged sufficiently and accurately.

The invention discloses a flywheel energy storing device. The device includes a vacuum container arranged on the outer layer. A rotary shaft is arranged in the center of the vacuum container. A radial-axial permanent magnetic bearing is nested in the upper end of the rotary shaft. The lower end of the rotary shaft is sleeved with a flywheel, a single-winding outer rotor magnetic suspension switch reluctance motor, and a permanent magnetic bias radial-axial magnetic bearing successively from top down. The rotary shaft penetrates through the center of the flywheel and is connected with the flywheel. The flywheel is nested in an outer rotor of the single-winding outer rotor magnetic suspension switch reluctance motor. According to the invention, by combining that the single-winding outer rotor magnetic suspension switch reluctance motor can drive the flywheel directly and has a high-speed suspension function with that the radial-axial magnetic bearing and a hybrid magnetic shaft have characteristics of controllable suspension in forced uninstallation, five degree of freedom and high-reliability suspension of the flywheel are realized. Besides, operation speed of the flywheel is increased and system power consumption and size are reduced.

A method for aggregate load management includes determining whether a load capacity limit within a utility power network will be exceeded, selecting an aggregated demand reduction target to remain within capacity bounds if the load capacity limit is to be exceeded, selecting a demand reduction strategy, and sending a control signal that includes a randomized PWM level, based on the strategy, to a controller in a load component of the utility system based on the reduction target. A method for component load management includes receiving a control signal from a utility system based on a utility demand reduction strategy, converting the signal into randomized PWM control of the load component in accordance therewith, receiving an updated control signal based on utility system monitoring of an aggregate load of a component of the utility system, and converting the updated signal into randomized PWM control of the load component in accordance therewith.

The closed planetary gear reducer consists of input shaft with sun gears, planet shaft, planet carriers, planet gears and ring gear serving as output shaft. The three planet carriers are mounted on shaft sleeve with bearings and bearing seats on the ring gear; the central gears on the first and the second planet carriers are connected to the second and the third sun gears; and the output shaft is connected to the first, the second and the third sun gears and bearings. The ring gear serving as the shell and the output shaft has great diameter, smooth operation, great bearing capacity, use safety and high strength. The present invention has compact structure, small size, less wear, low noise and high transmission efficiency.

A method for reducing loads acting on a wind turbine in response to transient wind conditions is disclosed. The method may generally include determining an actual value for a blade parameter of a rotor blade of the wind turbine using a first sensor associated with the rotor blade, monitoring a secondary operating parameter of the wind turbine using a second sensor, determining a predicted value for the blade parameter based on the secondary operating parameter, comparing the actual value to the predicted value and performing a corrective action to reduce the loads acting on the wind turbine if the actual value differs from the predicted value by at least a differential threshold.

The invention relates to a grabbing mechanism of a bicycle conveying platform. The grabbing mechanism is characterized by consisting of a grabbing sliding base, a grabbing motor, a lead screw, a lead screw sleeve and symmetrical grabbing arms; the grabbing motor is fixedly arranged on the grabbing sliding base; the motor rod of the grabbing motor is connected with the lead screw; the end part of the lead screw is connected with the lead screw sleeve; the two sides of the lead screw sleeve are connected with the tail ends of the two grabbing arms; and the two grabbing arms are driven by the grabbing motor through the lead screw to open and close. The grabbing mechanism is scientific and reasonable in structural design; bicycle grabbing motion can be performed rapidly, stably and safely; besides, the support is stable and reliable; and the operation is convenient.

First and second clutches correspond to systems which include “first gear” and “second gear,” respectively. When the temperature of the first clutch at the time of start of the vehicle is lower than a first temperature, only the first clutch is used as a start clutch for driving the vehicle. When the temperature of the first clutch is not lower than the first temperature but is lower than a second temperature, both the first and second clutches are used as the start clutch. When the temperature of the first clutch is equal to or higher than the second temperature, only the second clutch is used as the start clutch. Thus, the higher the temperature of the first clutch, the smaller the load acting on the first clutch. When the temperature of the second clutch is high, engine torque is reduced, and a warning is issued.

An embodiment of the invention discloses a construction method for a revolving digging cast-in-place pile. A case pile is used for holing and protecting a wall, a revolving digging machine is used for taking soil and holing from the inside of the case pile, soil excavated volume of the construction method is lower as compared with a traditional wall protecting method by the aid of mud, a peripheral soil structure cannot be damaged, influences to surrounding environments and pollution due to construction are low, the speed for removing slag in end holes is fast, quality is high, and the problem that the mud skin on a side of a mud wall protecting and holing technical pile reduces bearing capacity of the engineering pile is avoided effectively. The construction method effectively stops common quality drawbacks of other types of punched and bored cast-in-place piles, such as hole collapse, necking and the like. Operation is safe, pile forming speed is faster, cost is lower, and construction efficiency and construction quality are greatly improved.