293 results about "Active support" patented technology

A method of non- metallocene catalyst loading with high active: the carrier and chemical activating agent reacting with each other to get the modification carrier; dissolving the magnesium compounds into the tetrahydrofuran-alcohol mixing system to form solution, adding the modification carrier into the solution for reaction, filtering, washing, drying and sucting to get the composite carrier; dissolving the non- metallocene catalyst for lkene polymerization into the dissolvent, then reacting with the composite carrier and through process of washing, filtering and drying to get the load non- metallocene catalyst. It can also be: proceeding heating activating treatment before the reaction of carrier with the chemical activating agent; the composite carrier reacting with chemical additive before reacting with catalyst to get the modification composite carrier, the modification composite carrier reacting with catalyst to get the load non- metallocene catalyst. The load catalyst produced in this invention is high active; the load catalyst of high property can be produced with less methylaluoxane; the polyolefine produced with the catalyst prepared in this invention possesses sound granual shape.

An anode material made from nanoparticles, said anode material including a homogeneous mixture of lithium-alloying nanoparticles with active support matrix nanoparticles, is provided. The active support matrix nanoparticle is a compound that participates in the conversion reaction of the lithium battery. The compound is preferably a transition metal compound, with said compound including a nitride, carbide, oxide or combination thereof.An electrode manufactured from the anode material preferably has a porosity of between 5 and 80% and more preferably has a porosity between 10 and 50%. The anode material nanoparticles preferably have a mean linear dimension of between 2 and 500 nanometers, and more preferably have a mean linear dimension of between 2 and 50 nanometers.

An outer door handle for vehicles has a stationary housing in the vehicle door. The handle has a handle arm and acts on a lock arranged within the door. A pivotable latching member serves as a mass latching mechanism and makes the handle actuatable in a release position. Because of its inertia in a crash situation, the latching member reaches an active support position and blocks the handle. The pivot bearing for the latching member is located on the stationary housing. The movable handle arm has a shoulder. A counter shoulder is provided on the latching member. The folding movement path of the shoulder on the handle arm is intersected by the pivot movement path of the counter shoulder. In a crash situation the shoulder comes to rest against the counter shoulder. In the release position, the shoulder passes the counter shoulder upon handle actuation.

According to one aspect of the invention, it is determined, at a support center, a relationship between a first product provided by a first vendor and a second product provided by a second vendor. The first and second products have been purchased by a user via a purchasing facility associated with a client of the support center. In response to a first event received from the client or the first vendor indicating a change of the first product, a first message is transmitted to the user on behalf of the client notifying the user the change of the first product. A second message is automatically transmitted to the user offering a support service of a possible change of the second product in view of the relationship between the first and second products, without requiring the user to initiate a request for the support service.

This invention relates to an elastic bandage for supporting a body extremity such as a leg. Such bandages are used to overcome problems with fluid retention and swelling in the legs, occurring as a consequence of varicose veins, vascular incompetence, pregnancy, etc. It is a task of this invention to supply an active support for a body extremity such as a leg, which can be used by a person underneath the clothes and will not reduce the mobility of the patient. This task is solved in that an elastic bandage comprises an elastic layer for surrounding a body extremity to exert compressive force on the extremity, the bandage being, at least partly, formed by elastomeric actuation elements, whereby electrical control of the compressive force is possible, and where the control is due to a signal from some sensing system.

A process for producing oxidized organic chemical products such as propylene oxide from various organic chemical feedstocks utilizing as oxidant directly produced hydrogen peroxide (H2O2) intermediate oxidizing agent. The hydrogen peroxide intermediate is directly produced from hydrogen and oxygen feeds plus a suitable solvent in a first catalytic reaction step utilizing an active supported phase-controlled noble metal catalyst at reaction conditions of 0-100° C. temperature and 300-3,000 psig pressure. An organic chemical feedstock such as propylene together with the hydrogen peroxide intermediate and solvent solution are fed into a second catalytic reactor maintained at 0-150° C. temperature and 15-1,500 psig pressure and oxidized to produce a desired crude oxidized organic product such as propylene oxide, which is purified by distillation steps and recovered from the solvent solution.

This invention relates to an elastic bandage for supporting a body extremity such as a leg. Such bandages are used to overcome problems with fluid retention and swelling in the legs, occurring as a consequence of varicose veins, vascular incompetence, pregnancy, etc. It is a task of this invention to supply an active support for a body extremity such as a leg, which can be used by a person underneath the clothes and will not reduce the mobility of the patient. This task is solved in that an elastic bandage comprises an elastic layer for surrounding a body extremity to exert compressive force on the extremity, the bandage being, at least partly, formed by elastomeric actuation elements, whereby electrical control of the compressive force is possible, and where the control is due to a signal from some sensing system.

The invention provides a variable speed wind turbine generator frequency control method based on dynamic standby power. The method comprises the following steps that I, a frequency modulation operation strategy of a variable speed wind turbine generator is determined according to operation conditions of the variable speed wind turbine generator; II, whether the variable speed wind turbine generator participates in system frequency modulation or not is judged; III, whether the rotating speed of the wind turbine generator is out of limit or not is judged; IV, an active frequency control module is activated, and an active power set value of the wind turbine generator is modified; V, control over the system frequency is achieved. The variable speed wind turbine generator frequency control method based on dynamic standby power can achieve frequency modulation capability of the wind turbine generator in a full wind speed region, when participating in the system frequency modulation to provide active support, the wind turbine generator is not affected by the operation conditions, and therefore electric system frequency stability is improved.

The invention relates to a thermal stress curve forming machine for a numerical control plate. The thermal stress curve forming machine is characterized in that a heating device consists of a high-frequency induction power source, a heating head connected with an elevating mechanism, and a cooling water circulating apparatus; a polygonal or annular induction coil is arranged in the heating head, an electromagnetic valve and a water jet are arranged on the high-frequency induction heating head, a universal roller is arranged at the bottom of the high-frequency induction heating head; a detection device is composed of a laser distance sensor, a height detection rod and an infrared temperature sensor; a measuring seat connected with a lifting rod is provided with the laser distance sensor and the height detection rod, the infrared temperature sensor is arranged on the heating head, a supporting mechanism consists of at least 6 active supports and 8 driven supports. The thermal stress curve forming device for the numerical control plate can greatly improve production efficiency, shorten shipbuilding period, and improve measuring accuracy and shipbuilding quality, and can lower shipbuilding cost.

The invention discloses a method for actively supporting a lane side filling gob-side entry retraining. Firstly, a lane interior support and an enforcing support are built on a reserved lane according to a sounding rock condition and a working face. On the back of the working face, nogs, gangues or blockworks and the like are adopted to build a lane side filling wall along the edge of a gob. High-strength and sealed filling bags are paved on the filling wall, and high-expanding materials or cement coagulation serous fluid added with a rapid hardening early strength agent is filled into the filling bags through a grouting pump. The enforcing support is dismounted after a top plate behind the working face is movably stabilized, the high-strength and sealed filling bags are enabled to be contacted tightly with the top plate, and active support force is formed to be exerted on the top plate. By means of the active support force provided for the lane side filing wall, the top cutting capacity of a lane side filling body is enhanced, initial deflection of the entry retaining top plate is reduced, the stability of the top plate is improved, the quality of the gob-side entry retaining is improved, and repair rate of the gob-side entry retaining is reduced. The method is simple, convenient to operate and good in effect.

The invention discloses an active supporting device of a healthy bed and a method thereof; an air cushion layer is disposed inside and near the top of a mattress; a plurality of air bags are disposed on the air cushion layer; each air bag is connected to an air charging and discharging device through an air pipe; the air charging and discharging device is connected to a control device; air charging or discharging of the air bags of the air cushion layer is performed by the air charging and discharging device which is driven by the control device; and a pressure sensor is connected to each air pipe; the covering scope of the air cushion layer is between the neck and the buttock of a user; at the beginning, all the air bags are aerated with air, and the pressure of the air bags is detected by the pressure sensor on each air pipe; when the internal pressure of each air bag reaches a set value, air charging is stopped to obtain air charging time of each air bag; the air bag with longer air charging time is determined as the air bag corresponding to the waist of the human body; during the next air charging, the air charging quantity of the air bag corresponding to the waist is sufficient to actively support the waist of the human body; and therefore the purpose of comfortable sleep of the users is reached.

An apparatus for rehabilitation of a patient sitting in a wheelchair, the apparatus having a passive support, an active support, a vertical motion restricting device, a wheelchair securing device, a horizontal motion device with respect to the passive support, and a horizontal motion device with respect to the vertical motion restricting device. Also, a method for rehabilitation of a patient when the patient is sitting in a wheelchair, the method having the steps of passively supporting the wheelchair, actively supporting the wheelchair, vertically restricting motion of the wheelchair, securing the wheelchair, and horizontally moving the wheelchair.

Provided is a six-freedom-degree self-adaptive wrist joint rehabilitation device. The device uses a serial-parallel structure form, and has three active rotational freedom degrees and three passive rotational freedom degrees. The device is formed by a pedestal, an arm rotating platform, active supporting chains, an arc connecting rod, a passive moving structure on an X direction, a passive moving structure on a Y direction, and a passive moving structure on a Z direction. The arm rotating platform is connected with a motor through external gearing of a gear, and rotation on the pedestal (that is, rotation around an X-axis direction) is realized. The arc connecting rod is connected with the left arm and the right arm of the arm rotating platform through bearings, and rotation around a Y-axis direction is realized. The passive moving structure on an X direction is connected with the arc connecting rod through a bearing, and rotation around a Z-axis direction is realized. The device makes a person more natural and comfortable in a rehabilitation training process. The device is advantaged by simple structure, stable driving, convenient use, small volume occupation, and low manufacturing cost.

A personal equipment suspension system with active support to the lumbar region includes a belt to surround the user's waist and a frame supported on the belt with a resilient membrane of synthetic elastomeric crystalline material in tension on the frame to be interposed between the belt and the user. The frame includes spaced ends and the membrane is a lattice in tension between the spaced ends. In one embodiment, the system is a support belt. In another, it is load bearing such as a backpack configuration. In another, it includes stanchions to support a body armor vest.

The invention discloses a VSG(Virtual Synchronous Generator)-based control structure for active supporting of the grid frequency and voltage of a PMSG (Direct Drive Permanent Magnet Synchronous Generator). The control structure is composed of a wind turbine generator and a back-to-back four-quadrant converter. The back-to-back four-quadrant converter consists of a machine-side converter and a grid-side converter; the machine-side converter is used for maintaining the voltage of a direct-current side capacitor; and the grid-side converter is used for controlling normal operation of the rotatingspeed of a draught fan and power balancing based on an MPPT algorithm and carrying out active supporting on the grid frequency and voltage based on a control strategy of the VSG, wherein dynamic support is realized by releasing the energy of the direct-current side capacitor and the kinetic energy of the rotor during supporting. According to the control structure, a defect that grid connection can not be realized until the PPL phase locking is used by the wind turbine generator is overcome. The wind turbine generator is equivalent to a voltage source type VSG to support fluctuation of the grid voltage and frequency.

The invention discloses a supporting system for the machining of large-caliber space optical reflectors, which comprises a machining supporting device, a detection supporting device and a conversion mechanism (2), wherein the conversion mechanism is arranged on the upper surface of a machining supporting bottom plate (1), and supports the detection supporting device; the bottom plate of a detection supporting frame (8) is provided with a floating active supporting mechanism (6), a rigid supporting rod penetration hole (4) and a counter weight penetration hole (7); a rigid supporting rod (3) supports a work piece through the rigid supporting rod penetration hole in the machining of the reflector; and in detection, the conversion mechanism holds the detection supporting device up and the floating active supporting mechanism supports the work piece. By adopting a supporting way and a supporting structure which are mutually independent and adjustable, the supporting system can design schemes and accurately regulate supporting forces at each supporting point according to own characteristics of the reflectors to be machined, and also can regulate surface shape errors, caused by gravity deformation, of the reflectors to be acceptable for space usage, thereby greatly reducing ground detection errors.

The invention relates to a cover excavation and underground excavation advance multi-direction rotary jetting stirring grouting reinforcement active supporting construction method and a supporting structure thereof. The invention aims to design and invent a multi-direction rotary jetting stirring advance reinforcement and active supporting system in cover excavation and underground excavation construction of underground engineering. The effective supporting reinforcement structure can ensure the safety in the cover excavation and underground excavation construction. The technical structure can control soft soil around an underground structure not to deform and the like, thereby being beneficial to playing a good protecting role in shallow buried underground excavation construction; under the protection of a reinforced hard shell, the problems of water leakage, piping, collapse, soil body deformation and the like cannot be caused in underground soil excavation, and the underground soil excavation and structure construction is under the protection of the reinforced hard shell, therefore, the smooth construction of underground engineering can be ensured.

A process for producing oxidized organic chemical products such as propylene oxide from various organic chemical feedstocks utilizing as oxidant directly produced hydrogen peroxide (H2O2) intermediate oxidizing agent. The hydrogen peroxide intermediate is directly produced from hydrogen and oxygen feeds plus a suitable solvent in a first catalytic reaction step utilizing an active supported phase-controlled noble metal catalyst at reaction conditions of 0-100° C. temperature and 300-3,000 psig pressure. An organic chemical feedstock such as propylene together with the hydrogen peroxide intermediate and solvent solution are fed into a second catalytic reactor maintained at 0-150° C. temperature and 15-1,500 psig pressure and oxidized to produce a desired crude oxidized organic product such as propylene oxide, which is purified by distillation steps and recovered from the solvent solution.

The invention relates to a spatial flexible filter supporting mechanism, which comprises a mirror seat and at least three flexible supporting pieces, wherein each flexible supporting piece consists of a fixed end, an axial stress unloading part, a radial stress unloading part and an adhesive boss; the fixed ends are connected with the mirror seat through screws; the axial stress unloading parts are positioned between the fixed ends and the radial stress unloading parts; the adhesive bosses are arranged at the ends of the radial stress unloading parts; the part of the filter, which is close to the rim, is adhered with the adhesive bosses through adhesives; and the gravity of the filter is positioned in a polygon consisting of the adhesive bosses. The structural stress resistance and the thermal stress resistance of the filter supporting mechanism are improved; due to the flexible shock absorption function, the filter supporting structure can resist the impact shock at a rocket launch section, and can be used in the fields of designing aerospace and aviation filter supporting structures, designing structures of optical active supporting mirrors, designing structural shock absorption and the like.

The invention discloses a new type breast massager, comprising a brassiere, wherein two cup bodies of the brassiere are shaped into cup body accommodation cavities; an internal shield is embedded into each of the cup body accommodation cavities; an active support and a massage concave plate are embedded into an internal shield accommodation cavity of each of the internal shields; the active supports are driven through a micro motor and a reducer casing; the rear surface of each of the massage concave plates is shaped into a massage concave part; the front end part of each of the massage concave plates is provided with the active support on the corresponding side; the centre axis of each of the massage concave plates and the centre axis of the corresponding active support are arranged in a way of forming an included angle; concave part through holes are formed in the surface of each of the massage concave parts; massage rolling balls are embedded into the front end side of the corresponding massage concave plate in each of the internal shield accommodation cavities; each of the massage rolling balls is inserted into the corresponding concave part through hole, and protrudes from the surface of the corresponding massage concave part; each of the massage rolling balls is supported through the corresponding elastic support. By applying the new type breast massager with the structural design, the effect of simulating hand massage can be realized; the breast massager is novel in structural design and good in massage effect.

The invention provides a method for soft rock roadway grouting and full-length prestress baseboard anchor cable comprehensive support. The method comprises the following steps: fixing one end of a prestress anchor cable in deep surrounding rock at a roadway baseboard by a grouting method; initially stretching so that the stretched anchor cable has a certain prestress; drilling and then carrying out high-pressure grouting within a full-length range; and after slurry is solidified, stretching the combined anchor cable once again into a design anchoring strength. The construction method can ensure the anchor cable has higher prestress within the full-length range, achieve active support of the anchor cable on a broken rock stratum, and effectively control deformation of the roadway baseboard.

A mounting system adapted to receive a plurality of transmitter receiver modules and each including an upper antenna part and a lower electronic components part. The lower part includes transmitter receiver module contacts on the end opposite the upper part. The mounting system includes a substrate rear panel including transmitter receiver module contact receivers on a first side and active support units on a second side. Each contact receiver is adapted to receive transmitter receiver module contacts of one receiver module. The supports are adapted to support a plurality of receiver modules. One single substrate rear panel is adapted to receive the receiver modules in a matrix. The mounting system includes a ground plane and an electric conductive sheet, and is arranged such that when the receiver modules are mounted in the mounting system, the ground plane levels with the receiver modules transition from the upper to the lower part.

The invention discloses an interconnected network standby shared capacity allocation method considering security constraints, and belongs to the control field of electrical power systems. The interconnected network standby shared capacity allocation method comprises the following steps: using a provincial network adjustable capacity analysis method based on sensitivity analysis and cross-section margin so as to determine actually available support capacity of each member in a standby sharing group; on the basis of unit regulation performance and power transmission line available capacity, presenting an active support optimal allocation strategy considering provincial cross-section and inter-provincial interconnection line security constraints, and giving full play to the roles of an interconnected network in high-power loss disruption recovery under the precondition of guaranteeing transmission cross-section and interconnection line power transmission security through method improvement of fixed coefficient allocation loss power in control deviation of a dynamic area.

Disclosed is a method for rock burst prevention by active support reinforcement and active pressure relief. The method comprises the following steps: A. rating a burst tendency based on a comprehensive index method: determining a zone as a general risk region or a mediate risk region by using a comprehensive index method; B. predicting a burst risk region and determining pressure relief borehole parameters in real time by using a drill cuttings method: determining borehole parameters of the general risk region and the mediate risk region; C. drilling holes after determining arrangement patterns of large-diameter pressure relief boreholes according to different burst risk levels; D. forming a “coal wall-bolt-grouting hole sealing” support reinforcement system through a roadway support system; and E. monitoring a pressure relief effect of the support reinforcement system: until a required effect of preventing bursts by pressure relief is achieved while the support is reinforced. The present invention can not only achieve an effect of preventing rock bursts by pressure relief but also enhance the integrity of a coal wall in a roadway excavation process, thereby achieving the objective of rock burst prevention by active support reinforcement and active pressure relief.

A ground gravity unloading support method for a large spatial reflector belongs to the technical field of space optics. In order to solve the problem that the gravity environmental variation of the large spatial reflector results in the decline of the surface shape precision of the reflector, a finite element analysis software is adopted to carry out finite element modeling on a spatial reflector assembly and analyze the variation of the reflector surface shape precision caused by gravity when the spatial reflector assembly is horizontally placed; the number and distribution of active support points at the back of the spatial reflector are primarily determined according to the size of the spatial reflector, the variation analysis result of the reflector surface shape precision and the layout condition of a support structure; after support force is applied on the active support points of the spatial reflector, the variation condition of the reflector surface shape precision caused by gravity when the spatial reflector assembly is horizontally placed is analyzed, the reflector surface shape precision result of the spatial reflector assembly is enabled to meet optical design requirements through analyzing and adjusting the size of the support force applied on the active support points and the number and distribution of the active support points, and the gravity unloading of the reflector is realized.

The invention discloses a double-fed wind power system asymmetric high voltage fault ride-through control method, being able to control serial grid-side converters, parallel grid-side converters and rotor-side converters respectively when a power grid voltage asymmetric surging fault occurs. The double-fed wind power system asymmetric high voltage fault ride-through control method realizes that when the power grid voltage asymmetric surging fault occurs, the voltage at the stator end of a double-fed wind power system maintains the same and restrains the stator linkage transient DC component, realizes the generator stator / rotor voltage and current balance, realizes no fluctuation of active or reactive power for system total output, realizes the control target of providing dynamic active support for a power grid voltage asymmetric surging fault power grid, can guarantee safe and stable operation of the double-fed wind power system, and can improve the electric energy quality of the power grid of the system.

The invention discloses an active anti-shear concrete supporting structure for reinforcing deep sliding surfaces of rock slopes, mainly comprising anchor caverns and prestressed anchor cables penetrating through the anchor caverns and into stable rocks. The anchor caverns comprise axial main bearing bars (including reinforced bars and joist steel), backfill concrete, contact grout and consolidation grout around the caverns, an anchor cavern end expansion head of a sliding surface hanging wall and the like. The inner anchoring sections of the prestressed anchor cables are positioned in the stable rocks in a sliding surface footwall. Outer anchor heads are positioned at the anchor cavern ends of the sliding surface hanging wall and dynamometers are installed on the outer anchor heads. The structure is characterized by changing passive supporting to active supporting and transferring the slope sliding force to the stable rocks of the sliding surface footwall by the prestressed anchor cables; and ensuring the anchor caverns, the prestressed anchor cables and the rocks to form a compound anti-shear body by grouting to play an anti-sliding role together. Meanwhile, the structure can effectively prevent the slopes from shear sliding with the rock interfaces along the secondary sliding surfaces or concrete in the rocks of the sliding surface footwall.

The invention discloses a drying device for grain storage in the technical field of drying. The drying device comprises a drying box body, wherein a feed opening is formed in the top of the right sideof the drying box body; a conveying belt is arranged at the top of the inner chamber of the drying box body; the left end and the right end of the conveying belt are respectively connected to an active supporting shaft and an auxiliary supporting shaft in a sleeving manner; the feed opening corresponds to the top of the right side of the conveying belt; the active supporting shaft and the auxiliary supporting shaft are evenly mounted on the inner wall of the drying box body through bearings; and a heating device is arranged in the inner chamber of the conveying belt. According to the drying device disclosed by the invention, drying operation can be performed on moving grains through the conveying belt having a heating function, and re-drying operation can be performed on scattered grainsthrough the cooperative operation of a heating boiler and an air outlet plate, so that the drying efficiency is effectively improved.

The invention relates to an electromagnetic force actuator for active support of an astronomical telescope mirror face. One end of the force actuator is connected with a supported mirror face through a force sensor, and the other end of the force actuator is fixed in a mirror cell. The electromagnetic force actuator is characterized in that a force output end of the force actuator is arranged on an axle at the center of the force actuator; two permanent magnets with strong magnetism are arranged on the center axle of the force actuator; a coil with an iron core is fixed on a shell of the force actuator; and the output of the force actuator is connected with a control system, and the control system is connected with the coil with the iron core. The electromagnetic force actuator for the active support of the astronomical telescope mirror face has the advantages that structure is simple, mass is low, energy consumption is low, control accuracy of input force is high, response speed is high, stroke of the force actuator is large, force adjusting range is wide, environment requirements are low, and the force actuator can be used in South Pole and even in space special environment. Connection of the force actuator and the mirror face is facilitated.