137results about How to "Prevent attraction" patented technology

The present invention relates to new compositions of matter and articles of manufacture comprising SWNTs as nanometer scale conducting rods dispersed in an electrically-insulating matrix. These compositions of matter have novel and useful electrical, mechanical, and chemical properties including applications in antennas, electromagnetic and electro-optic devices, and high-toughness materials. Other compositions of matter and articles of manufacture are disclosed, including polymer-coated and polymer wrapped single-wall nanotubes (SWNTs), small ropes of polymer-coated and polymer-wrapped SWNTs and materials comprising same. This composition provides one embodiment of the SWNT conducting-rod composite mentioned above, and also enables creation of high-concentration suspensions of SWNTs and compatibilization of SWNTs with polymeric matrices in composite materials. This solubilization and compatibilization, in turn, enables chemical manipulation of SWNT and production of composite fibers, films, and solids comprising SWNTs.

The present invention relates to new compositions of matter and articles of manufacture comprising SWNTs as nanometer scale conducting rods dispersed in an electrically-insulating matrix. These compositions of matter have novel and useful electrical, mechanical, and chemical properties including applications in antennas, electromagnetic and electro-optic devices, and high-toughness materials. Other compositions of matter and articles of manufacture are disclosed. including polymer-coated and polymer wrapped single-wall nanotubes (SWNTs), small ropes of polymer-coated and polymer-wrapped SWNTs and materials comprising same. This composition provides one embodiment of the SWNT conducting-rod composite mentioned above, and also enables creation of high-concentration suspensions of SWNTs and compatibilization of SWNTs with polymeric matrices in composite materials. This solubilization and compatibilization, in turn, enables chemical manipulation of SWNT and production of composite fibers, films, and solids comprising SWNTs.

An electric pump includes a rotor including a magnet portion formed of a ring shaped structure and having a polar anisotropic ring magnet, and an impeller portion pressure-supplying a fluid and formed integrally with the magnet portion, and a stator rotating the rotor.

A woven fabric (1) made from threads (2) that are formed from plastic at least one their outside surface. At least one surface side (7) of the fabric (1) is partially metallically coated.

An imaging device moves a taking lens in an optical-axis direction by a hollow stepping motor of a claw-pole type comprising a disk-shaped hollow magnet and stators. The magnet is disposed in a direction perpendicular to the optical axis. The stators are respectively adjacent to both surfaces of the magnet in the optical-axis direction. When the magnet is rotated, attractive force caused by the respective stators is applied in the optical axis direction. It is prevented that the magnet and a rotary barrel are attracted in the direction perpendicular to the optical axis. Thus, electric power consumption is prevented from increasing due to friction with upper and lower covers, and abnormal noise is prevented from occurring due to the friction.

A magnetic attraction preventive system includes an approach detection unit which generates an approach detection magnetic field and detects the approach of a magnetic material to a magnetic resonance imaging apparatus on the basis of a variation in the strength of the approach detection magnetic field, and a preventive unit which prevents magnetic attraction of the magnetic material to the magnetic resonance imaging apparatus when the approach detection unit detects the approach of the magnetic material to the magnetic resonance imaging apparatus.

A sensor device (50) for sensing magnetic particles (15), the sensor device (50) comprising a substrate (25) and a sensing unit (11, 20) provided on and / or in and / or near the substrate (25) and being adapted for sensing a detection signal indicative of the presence of the magnetic particles (15), and a magnetic field control unit (30 to 34) provided off the substrate (25) and being adapted for generating a time-dependent magnetic field for interaction with the magnetic particles (15).

The invention discloses a system of an in vivo micro device for intraesophageal noninvasive fixation, which is characterized by comprising an in vitro magnetic field positioning device and the in vivo micro device, wherein the in vitro magnetic field positioning device comprises a permanent magnet and a positioning carrier of the permanent magnet, and the positioning carrier is used to fix the permanent magnet and carries the permanent magnet to position on a specific part of a human body; the in vivo micro device comprises a shell, a functional module and a permanent magnet; the in vitro magnetic field positioning device generates magnetic force attraction to the permanent magnet embedded in the in vivo micro device through the permanent magnet to complete the positioning of the in vivo micro device; and the shell of the in vivo micro device is of a flat capsule shape and is provided with a relatively level shell attached side face, the shell attached side face is parallel to the embedded permanent magnet, and other parts of the shell adopt a streamline type. In the system, the micro device comprises a sensor or an actuator, and the like to meet the requirements on the monitoring and treatment of intraesophageal physiological parameters, and the like. The system has the advantages of no pain, no wound, simple and convenient operation, good tolerance for a patient, and the like.

The invention belongs to metal plates bent linearly, and particularly discloses a plate rolling machine with the welding function. The plate rolling machine comprises a rack, an upper roll, a lower roll, an edge roll and a power source used for driving the upper roll to rotate. The upper roll, the lower roll and the edge roll are all rotationally connected to the rack. A lifting frame, a clamping unit, a hydraulic cylinder, a weld gun and a sliding rail are further included. The lifting frame is arranged on the sliding rail in a sliding manner. The weld gun is hinged to the lifting frame. The hydraulic cylinder is fixed to the lifting frame, and an output shaft of the hydraulic cylinder is hinged to the weld gun. The clamping unit comprises an elastic piece, an electromagnet and a clamping plate attracted with the electromagnet. The electromagnet and the clamping plate are in an arc shape. The electromagnet is fixed to the rack. One end of the elastic piece is connected to the rack, and the other end of the elastic piece is connected to the clamping plate. Compared with a traditional plate rolling machine, according to the scheme, a rolled plate does not need to be taken down, and can be fixed after a power source of the electromagnet is connected, operation is easy, and work efficiency is high.

The invention relates to a camera with a dustproof function based on the block chain technology. The camera comprises a body, a base, a bracket, an adjusting mechanism and a cleaning device. The cleaning device comprises a rotating mechanism, an accommodating mechanism, a liquid spraying mechanism and a cleaning mechanism. The body is internally provided with an antenna, a processor and a memory.The rotating mechanism comprises a ring and multiple rotating assemblies. Each rotating assembly comprises a first motor and a gear. According to the camera with the dustproof function based on the block chain technology, data storage is performed by using the block chain technology so that the degree of data security is high; besides, the cleaning liquid is sprayed to the cleaning plate through the liquid spraying mechanism, static charges generated in contact cleaning of the cleaning plate and the body can be prevented and attracting dust after cleaning can be avoided; meanwhile, the rotating mechanism drives the ring to rotate, and the cleaning mechanism enables the cleaning plate to move in a way of being clung to the lens surface of the body so as to remove the dust on the body, ensure the body to take a clear image and improve the practicability of the equipment.

An automatic dumping type medical dustbin is composed of a frame, handrails, crank fixing plates, a dumping hand crank, a crank disc, a connecting rod, a compressing and crushing mechanism, a dustbin,a garbage pushing mechanism, a dustbin fixing plate, wheels, a crank boss and a rotating connecting pipe. The dustbin and the dustbin fixing plate are connected together through the rotating connecting pipe, and the dustbin can freely rotate around the rotating connecting pipe. The crank disc is fixed to the two crank fixing plates. The dumping hand crank is fixedly mounted on the front portionsof the crank fixing plates. The crank boss is fixedly mounted on the rear portions of the crank fixing plates. One end of the connecting rod and the crank boss are connected together, and the other end of the connecting rod is connected with a connecting column on the side face of the dustbin. The compressing and crushing mechanism is mounted above the dustbin. The garbage pushing mechanism is mounted in the dustbin. The automatic dumping type medical dustbin has the beneficial effects that the whole device structure is simple, and operation is convenient; direct contact with medical garbage is avoided; the number of times of garbage dumping is reduced; and the work efficiency is improved.

The present invention relates to an improved pulse simulator and to an improved method for simulating pulse. It comprises a palpation conveyor connected with a flexible pump means. The flexible pump is operatively coupled to a solenoid arranged about a fixed core. The solenoid is magnetized and demagnetized by an electrical energy source causing back and forth motion of the solenoid, with consequential expansion and contraction of the flexible pump means, thereby releasing fluid in back and forth direction to the palpation conveyor for generating pulse sensation.

The invention discloses a food garbage crusher. The food garbage crusher comprises a crusher shell. The upper end of the crusher shell is provided with a motor. The output end of the motor is provided with a rotating shaft stretching into the crusher shell. The rotating shaft is provided with a plurality of crushing knives and further provided with a plurality of connecting rods. Scrapers are connected to the outer end of the connecting rods. A feeding hopper is arranged at the upper end of the left side of the crusher shell. High-pressure pumps are arranged at the upper end of the crusher shell in a bilateral symmetry mode. Spray heads arranged inside the crusher shell are installed at the lower ends of the high-pressure pumps. A discharging outlet is formed in the middle of the lower end of the crusher shell. Supporting columns are arranged at the four corners of the lower end of the crusher shell. A supporting plate is arranged at the lower ends of the supporting columns. Damping columns are arranged on the lower side of the supporting plate. A base is arranged at the lower ends of the damping columns. Damping springs are arranged on the outer sides of the damping columns. A groove is formed in the lower end of the base and internally provided with a telescopic device. A movable plate is arranged at the lower end of the telescopic device. Universal wheels are arranged on the lower side of the movable plate. The food garbage crusher is simple in structure, convenient to use, clean and move and long in service life.

To provide an electrical tool in which a permanent magnet motor can be smoothly mounted without requiring excess working power and man-hour. In the portable electrical circular saw (electrical tool) in which a commutator motor (permanent magnet motor) is mounted in a motor case (housing) which is integrally formed in a tube shape, the commutator motor includes a stator fixed to an inner circumferential surface of the motor case and a rotor which is rotatably disposed in the stator, and a plate having a plurality of protrusions is disposed on at least one of the both axial ends of a rotor core of the rotor, an outer diameter of at least two protrusions of the plate is larger than an outer diameter of the rotor core and smaller than an inner diameter of the stator.

A heat exchanger of small size and thin type is provided. It includes a machine body (1), an indoor suction port (3) for sucking indoor air (2), an indoor diffuser (4), an outdoor suction port (7) for sucking in outdoor air (6), an outdoor diffuser (8), a motor (11) provided inside the machine body (1), an exhaust blade (9) and an intake blade (10) disposed at the motor (11), an exhaust fan casing (12) provided around the exhaust blade (9), an intake fan casing (13) provided around the intake blade (10), and a plurality of heat exchange elements (16) disposed around the exhaust fan casing (12) and intake fan casing (13).

A transport device may include a transport mechanism including a supporting member configured to support a placed medium and transport the medium. The transport device may also include a first charging device configured to alternately charge the supporting member with one polarity and an opposite polarity. The transport device may further include a transfer mechanism configured to transfer the medium to the supporting member. The transport device may yet further include a second charging device configured to alternately charge the medium with one polarity and an opposite polarity for transferring the medium with the transfer mechanism before the transfer mechanism places the medium on the supporting member. The transport device may yet further include a control unit configured to control at least one of the transport mechanism, the transfer mechanism, the first charging device, and the second charging device.

An environment-friendly net for protection against insects adopts PVC fabric, wherein the PVC fabric contains a spice disagreeable to mosquito, fly or ant, and comprises PVC, a plasticizing agent, a heat stabilizer, an antioxidant, an anti-UV agent, a lubricant and the spice, wherein 100 portions of PVC are taken as a base number, the compositions in portion by mass of the PVC fabric are: 100 portions of PVC, 20 to 60 portions of plasticizing agent, 1 to 8 portions of heat stabilizer, 1 to 4 portions of ageing resistant, 0.1 to 2 portions of lubricant and 0.1 to 2 portions of spice. The invention provides the environment-friendly net for protection against the insects which can prevent environment pollution and has excellent environmental-protection performances.

The invention provides a pre-embedded and prefabricated magnetic attraction end guiding type building crack repairing device and a method based on magnetic force. The device comprises a steel bar pre-embedded in a reinforced concrete beam body; the steel bar is wound with a tinned copper wire; the tinned copper wire penetrates through a reserved wire interface pre-formed in the reinforced concrete beam body; the tinned copper wire is connected with an electromagnetic induction device used for providing current; a guide hole is formed in the position, where a crack easily occurs, of the reinforced concrete beam body; and the guide hole is connected with a high-pressure jet grouting machine through a grouting pipe, and then magnetic mortar is injected into the crack. The magnetic mortar is injected into a required position under the guide adsorption of different magnetic attraction ends, so that the sufficient grouting effect is achieved, and the crack repairing and filling rate is increased. According to the pre-embedded and prefabricated magnetic attraction end guiding type building crack repairing device and the method based on the magnetic force, the needed materials are simple, the assembly cost is low, and the device has prefabrication performance, is fast to operate, and is high in crack repair guiding effect and long in duration time.

An improved seal-insert and seal for a toner hopper as used in toner cartridge assemblies for printers, copiers and facsimile machines. In one embodiment, the seal has two slotted, rectangular outer pieces joined together with slot alignment and joined by an inner layer of two-sided tape. The two-sided tape is made with a long u-shape which does not interfere with the slots in the outer pieces. The open end of the u-shaped tape configuration allows a seal to be inserted or removed from between the outer pieces to close or open the slots. The seal-insert is applied over the passage from the toner hopper. The outer pieces are made from an antistatic and / or a conductive material, such as an aluminum laminate or plastic imprefnated with conductive particles. Alternately, the outer pieces may be made from plastic covered with an antistatic and / or conductive spray or coating. In another embodiment, a tear-seal is made from antistatic and / or conductive material, and is provided with a tear-guide secured to and under the tear-sheet. The tear-guide has a width smaller than the tear-sheet and slightly smaller than the slot of the seal-insert. When the tear-guide is pulled by the enduser, the tear-guide will rip the tear-sheet in a straight line, providing an opening with an even width that will not block toner flow.

The invention relates to a preparation process and a special device for salt with green food label. The device comprises mine brine mining equipment, an original brine barrel, a brine pretreatment system, a refined brine barrel and evaporation salt-making equipment, which are sequentially arranged. A salt slurry outlet of the evaporation salt-making equipment is sequentially provided with a centrifugal machine and a drying device, while a condensed water outlet of the evaporation salt-making equipment is communicated with the mine brine mining equipment; a refined brine countercurrent device for refined brine countercurrent backwashing salt slurry is arranged between the evaporation salt-making equipment and the centrifugal machine; and an outlet of the drying device is provided with a sieving machine, and a sieving machine outlet is provided with packaging equipment. The salt is prevented from caking by physical molecular structure of sodium chloride through improving production process and production equipment, optimizing process indexes and obviating potassium ferrocyanide and other anticaking agent. Qualification rate of iodized salt manufactured with the invention is 100%, the utilization rate of potassium iodate is 95%, the iodide content of finished product salt is steady and reliable; and the fluctuation range is within 5 mg / L.

There are provided a vacuum chamber system of a coating apparatus and a coating method using the same that prevents the attraction phenomenon of a coating solution in intermittent coating, so that the failure rate of coating is reduced, thereby improving the quality of products. In one embodiment, a vacuum chamber system of a coating apparatus includes a vacuum chamber connected to a coating solution outlet of the coating apparatus. A sound pressure generating unit is connected to one region of the vacuum chamber to generate sound pressure. A buffer tank is provided between the vacuum chamber and the sound pressure generating unit. In the vacuum chamber system, a control unit is further provided between the vacuum chamber and the buffer tank. The control unit controls air to be selectively inhaled or blocked from the vacuum chamber and the sound pressure generating unit.

A medical guidance system and a control method of a medical device are provided, which may increase the drive force of a medical device and improve controllability thereof. The medical guidance system has a medical device that includes a biologic information acquisition unit that acquires biologic information of the inside of a body cavity and a magnet that generates drive force in response to a magnetic field exerted from the outside of a body, a magnetic field generation unit 101 that generates the magnetic field to be exerted on the magnet from the outside of a body, and a displacement detection unit 105 that detects displacement being an angle formed between the magnetization direction of the magnet and the field direction of the magnetic field generated by the magnetic field generation unit 101 at the position of the medical device; wherein the magnetic field generation unit 101 is controlled based on the displacement.

The present invention provides a DC circuit breaker arc extinguishing chamber which comprises a shell with a mounting inner cavity and a plurality of metal gates which are installed in the mounting inner cavity side by side. An arc extinguishing space with two through ends is formed between any two adjacent metal gates. The shell also comprises a containing inner cavity for containing DC circuit breaker moving and static contacts, and the containing inner cavity communicates with one end of the arc extinguishing space. The shell side wall which forms the containing inner cavity is also provided with a first magnetic shield plate for shielding a magnetic field. When the moving and static contacts of the DC circuit breaker are disconnected to generate an electric arc, the first magnetic shield plate can protect the electric arc from being interrupted by an external magnetic field, the magnetic field generated at moving and static contact positions is gathered in the containing inner cavity such that the electric arc is rapidly and stably driven to the metal gates to extinguish the arc under the effect of the magnetic field generated at moving and static contact positions, and thus the stability of arc extinguishment is improved.

A vehicle wheel bearing apparatus that protects the encoder, improves the sensing ability of the detecting sensor, prevents penetration of rain water or dust, and prevents leakage of differential gear oil has an inboard side seal (13) with an annular supporting plate (17a) fit onto the outer circumferential surface of one of the inner rings (10). A purser ring (17), having an encoder (17b), is bonded on the outer circumferential surface of the supporting plate (17a). A sealing plate (16), including an annular core member (18 and 22), is fit onto one end of the outer member (4) and covers the cylindrical portion of the encoder (17b). A lip (19a) is bonded on the core member (18 and 22) and is in sliding contact with the inner ring (10). A detecting sensor (20) is suspended from an axle housing “H” and opposes the encoder (17b) via a predetermined radial gap. Sealing lips (18b and 19c) on the sealing plate 16 are arranged between the core member (18 and 22) and the axle housing “H” to seal the detecting sensor (20).