82 results about "Helical coil" patented technology

An anti-sweeping hook includes a display hook, a helical coil, and a rotating handle. The display hook may be substantially straight and has a first end and a second end opposite the first end. The helical coil is disposed about the display hook and extends along a lengthwise portion of the display hook. The helical coil has a first coil end proximate the first end of the display hook. Rotation of the helical coil in a first direction loads the retail merchandise onto the display hook. Rotation of the helical coil in a second direction opposite the first direction removes the retail merchandise from the display hook. The rotating handle is configured to determine a change in an amount of stored inventory based on the amount and direction of rotation of the rotating handle.

The application discloses a microbial feed fermentation equipment and belongs to the technical field of feed processing. The equipment comprises a fermentation bin, a lifting and sliding assembly, a vibration and fluffing assembly, a bottom material gathering and turning assembly and a gas circulation and temperature adjusting assembly. The lifting and sliding assembly comprises a material guiding cylinder and a guiding seat, and a helical coil and a permanent magnet are cooperated to drive the guiding seat to move longitudinally. The vibration and fluffing assembly is arranged on the top of the bin, and a telescopic pipe, a connecting frame, a spring plate and a vibration frame are sequentially assembled, and airflow impact eccentric impellers are used to realize material vibration and fluffing. An arc-shaped collecting plate at the bottom of the bin can collect materials to turn up and down along the material guiding cylinder. A circulating pipeline is connected with the telescopic pipe and a gas outlet at the top of the bin, a pump body, a water cooling assembly and a heating assembly are arranged on the pipeline to realize closed loop temperature adjustment of the gas in the bin, and the gas circulation is linked with the material turning mechanism. The application can realize longitudinal material turning to eliminate stratification, airflow synchronous temperature adjustment and fluffing, uniform internal material temperature, stable closed anaerobic environment, adaptation to various feed fermentation, good fermentation effect and low energy consumption.

The application provides a semiconductor process equipment, which comprises a process chamber, an upper radio frequency source, a radio frequency coil structure and a coil grounding device, wherein the process chamber comprises a process cavity and a dielectric cavity, the dielectric cavity is located above the process cavity, and the dielectric cavity is sealingly connected with the process cavity; the inner diameter of the dielectric cavity increases from top to bottom; the radio frequency coil structure comprises a three-dimensional helical coil, the three-dimensional helical coil surrounds the dielectric cavity, the inner diameter of the three-dimensional helical coil increases from top to bottom, and both ends of the three-dimensional helical coil are electrically connected with the upper radio frequency source; the coil grounding device is electrically connected with the three-dimensional helical coil in a position-adjustable mode, the three-dimensional helical coil is grounded through the coil grounding device, and the grounding position is located between the two ends of the three-dimensional helical coil. The semiconductor process equipment provided by the application can improve the uniformity of plasma distribution.

The invention discloses an intelligent artificial heart valve integrated with pressure sensing, which comprises an implantation end and a body surface relay patch, the implantation end comprises a stent valve main body, a valve crossing pressure sensor pair, a microelectronic module and a flexible circuit, and the stent valve main body comprises a valve frame and a valve leaflet. The transvalvular pressure sensor pair comprises a first pressure sensor fixed to the ventricular proximal side of the stent valve body and a second pressure sensor fixed to the ventricular distal side of the stent valve body, leads of the pressure sensors are electrically connected with the microelectronic module through a flexible circuit, and the flexible circuit comprises a planar spiral coil; the plane spiral coil is electrically connected with the microelectronic module, the body surface relay patch comprises an external read-write coil, the external read-write coil transmits energy to the plane spiral coil, and the cross-lobe pressure sensor sends sensed data to the external read-write coil through the plane spiral coil. According to the invention, abnormal early warning can be realized, the treatment lagging is shortened, and the complication cost is reduced.

A plasma generator may include a dielectric tube, an inner helical coil surrounding the dielectric tube and configured to generate plasma by forming a stationary wave of at least one of a magnetic field and an electromagnetic wave in the dielectric tube, a variable capacitor configuring a closed loop with the inner helical coil, an outer helical coil surrounding the inner helical coil and magnetically coupled to the inner helical coil, and a radio frequency (RF) power supply configured to provide RF power at a variable frequency to the inner helical coil.

A fluid analysis system includes a fluid circuit and a foam generator positioned along the fluid circuit. The foam generator is configured to receive a gas and a viscous fluid to produce a fluid mixture. The fluid analysis system further includes a helical coil positioned along the fluid circuit downstream of the foam generator and configured to receive the fluid mixture. The fluid analysis system further includes one or more processors for determining a foam rheology of the fluid mixture after the fluid mixture flows through the helical coil.

This application relates to the field of transformer technology, specifically to a chip transformer and power module, including a ceramic substrate; the ceramic substrate includes a plurality of stacked ceramic diaphragms; conductive posts are provided on the ceramic diaphragms, the conductive posts extending perpendicularly to the ceramic diaphragms; helical coils are provided on the surface of the ceramic diaphragms, and the ends of adjacent helical coils are connected through the conductive posts; at least two helical coils are connected through the conductive posts to form a coil winding. The embodiments of this application can significantly increase the number of turns in the winding by using planar helical coils, effectively improving the inductance value and enhancing the coupling coefficient between the primary and secondary coils while achieving a miniaturized integrated design.

The invention belongs to the technical field of flexible hybrid electronics, and relates to a wireless passive sensing yarn based on multiple normal mode helical antennas and a preparation method thereof.The sensing yarn comprises a core yarn, a radio frequency chip and a sensing yarn antenna, the sensing yarn antenna is a whole formed by the multiple normal mode helical antennas spirally wrapping the core yarn, and the radio frequency chip is arranged on the core yarn; the plurality of normal mode helical antennas comprise a first conductor, a second conductor, a newly added third conductor and a newly added fourth conductor, and the first conductor, the radio frequency chip and the second conductor are connected in sequence; the third conductor forms a spiral coil in each spiral coil gap of the first conductor, and the fourth conductor forms a spiral coil in each spiral coil gap of the second conductor; the third conductor and the first conductor are not contacted, and the fourth conductor and the second conductor are not contacted. The impedance matching between the radio frequency chip and the sensing yarn antenna is good. The preparation method adopts a wrapping process. The sensing performance of the sensing yarn is stable, and the structure of the sensing yarn is miniaturized.

A medical catheter and its manufacturing method are presented, creating a single device from two distinct components. The catheter features a proximal shaft and a distal shaft with distinct polymeric material where the exposed braided structures are mechanically connected at a transition portion, resulting in a single shaft. A reinforcing assembly is integrated into the proximal shaft and includes reinforcing sleeves with helical coils creating a steering wire guidance system, and an anchor ring mechanically connected to the transition portion. The distal shaft incorporates an articulation structure with interconnected elements and steering wire lumens aligned with the reinforcing assembly. The manufacturing process involves selectively removing polymeric jackets of a proximal and distal shaft, exposing the braided structures, and mechanically connecting the braided structures. Such a medical catheter device and method of manufacturing addresses limitations of conventional joining methods, enhancing maneuverability and precision for navigating complex anatomies in various applications.

The utility model relates to electromagnetic heating technical field discloses series connection type helical coil array's electromagnetic heating coil disc, including support board, the top fixed connection of support board has a plurality of coil framework combinations, the inside installation of coil framework combination has heating assembly, the bottom mounting of support board has supplementary assembly, heating assembly includes helical coil, helical coil installs in the inside of coil framework combination, and it is series connection between a plurality of helical coils, supplementary assembly includes magnetic stripe combination, and the bottom mounting of magnetic stripe combination in support board, in the utility model, when heating, the utensil is placed on the isolation mica piece, and the helical coil that starts series connection and close arrangement can rapidly produce uniform magnetic field, realizes wide -range uniform heating, reduces local overheating or deficiency. The magnetic stripe combination can increase coil inductance, gather magnetic force line, reduce leakage magnetism, improve efficiency and reduce interference, and can also supplement energy and increase output.

This application relates to a radio frequency (RF) ion source device, a feed network, and a RF ion source system. The RF ion source device includes a windowed induction support frame and a multi-turn rectangular helical coil. The interior space of the windowed induction support frame serves as a rectangular discharge chamber. Multiple induction perforated windows are provided on the sidewalls of the support frame, and adjacent induction perforated windows are separated by longitudinal reinforcing ribs. The multi-turn rectangular helical coil is three-dimensionally wrapped around the outside of the support frame, and each turn of the coil spans the induction perforated windows to radiate an inducing electromagnetic field into the interior space through the windows. The RF ion source device, feed network, and RF ion source system provided by this application can suppress energy loss and improve the uniformity of the large-area rectangular particle number flux.

The present invention relates to a wire winding, a substrate of a magnetic conductive material, and an induction component having at least two conductive connection surfaces on the underside of the substrate for assembly by SMT (surface mount technology), wherein the wire winding is formed as a flat helical wire winding, the wire winding is positioned on the upper side of the substrate, and two U-shaped clips are provided with two legs and a base connecting the legs, the U-shaped clips are positioned on the substrate such that each of the first legs is positioned on the upper side of the substrate and each of the second legs is positioned on the underside of the substrate, and in each of the U-shaped clips, at least a portion of the second leg forms a connection surface, the first winding end of the wire winding is connected to the first leg of the first clip, and the second winding end of the wire winding is connected to the first leg of the second clip.

The utility model discloses a metal powder smelting device, which belongs to the technical field of metal powder production, and comprises a box body, the top of the box body is fixedly connected with a barrel, the top of the barrel is fixedly connected with a heater and a heating cylinder, and the positive and negative ends of the heater are provided with spiral coils; the liquid drop crushing device has the beneficial effects that by arranging the rotating motor, molten liquid drops can fall on the rotating disc to be crushed under the action of gravity, then the rotating motor operates, the rotating disc can be rotated, the liquid drops can be uniformly and centrifugally dispersed to the surface of the annular impacted plate, secondary crushing can be conducted on the liquid drops, and the liquid drops can be uniformly and centrifugally dispersed to the surface of the annular impacted plate. Liquid drops subjected to two times of crushing are made into metal powder with small particle sizes, meanwhile, a pump body operates, cooling liquid at the bottom of a box body can be pumped into a barrel to cool the metal powder, then the metal powder can be collected through drainage of a first inclined plate and a second inclined plate and a collecting and filtering frame, and therefore the metal powder can be collected. And therefore, people can conveniently prepare the metal powder.

The invention discloses a dry and wet dual-purpose biological adhesive and a preparation method thereof.The preparation method comprises the steps that a polypeptide aqueous solution and a polyethylene glycol dimaleimide aqueous solution are mixed, the pH is adjusted to 7-8, and R-liquid is obtained; and mixing the R-liquid with a chelating agent, and drying to obtain the dry and wet dual-purpose biological adhesive. The designed Switch polypeptide can be complexed with Zn ions, after the Zn ions are introduced into R-liquid, the Switch polypeptide is subjected to conformation transformation from a random coil mode to a spiral coil coiling mode, and the change caused by the conformation transformation is mainly reflected in that hydrophilic and hydrophobic amino acids of the polypeptide can be spatially rearranged according to the spiral coil coiling rule; hydrophilic amino acids are completely exposed on the outer side, hydrophobic amino acids are orderly arranged on the inner side, hydrophobic side chains are also completely stretched, the hydrophobic amino acid side chains complete high-strength adhesion of polypeptide and an interface, and the biological adhesive achieves the adhesion effect according to the principle.

The application discloses a spiral-wound electrode catheter and a pulse control method thereof. The spiral-wound electrode catheter comprises a bendable tube body, a spiral electrode assembly fixedly connected to the distal end of the bendable tube body, a plurality of spiral turns arranged in an axial direction at intervals in a spiral form, at least one spiral electrode strip connected at its head and tail, each spiral electrode strip having a preset spiral angle, a support assembly fixedly connected with the spiral electrode assembly, the support assembly radially supporting the spiral electrode assembly in an expanded state to adhere to the mucous membrane surface of the duodenum, a pulse generator and a controller, the controller being electrically connected with the pulse generator and the support assembly, the controller controlling the support assembly to be in an expanded state or a contracted state, and the controller controlling the pulse generator to generate preset pulse signals and sequentially send the pulse signals to each spiral electrode strip in the expanded state, so that the duodenum is subjected to ablation.

The application discloses a kind of high-resolution wide temperature range metal abrasive particle detection sensitive elements and sensor, belong to metal abrasive particle detection field, including two groups of symmetrical distribution coil group, each coil group is formed by excitation coil and detection coil, forms four coil differential bridge structure;Two groups of coil group are 180° reverse spiral winding on nanocrystalline soft magnetic core body, and coil wire diameter is distributed according to gradient, to realize bidirectional differential detection;The application adopts two groups of 180° reverse spiral coil to form wheatstone bridge, when abrasive particle passes, two groups of coils generate phase-opposed induced electromotive force, greatly improve the resolution of abrasive particle detection;The coil in the application adopts special three-layer insulation enameled wire, outer polyimide coating solves high temperature melting problem, middle layer nanometer ceramic insulation layer realizes high voltage resistance, inner polyurethane layer guarantees low temperature flexibility, significantly improve the reliability and service life of coil.

A coil component (100), comprising: a substrate (101) and a planar spiral coil pattern (CP1, CP2) arranged on a surface of the substrate (101), wherein the coil pattern (CP1, CP2) has a higher roundness in its inner shape (ID) than in its outer shape (OD), wherein the outer shape (OD) of the coil pattern (CP1, CP2) has a first and a second section (311, 312) extending in a first direction, a third section (313) extending in a second direction perpendicular to the first direction, a fourth section (314) arranged between the first and the second section (311, 312) extending straight and obliquely to the first direction, and a fifth section (315) arranged between the second and the third section (312, 313) being curved such that its direction of extension changes from the first direction to the second direction, where the first, fourth, second, fifth and third sections (311, 314, 312, 315, 313) follow one another in this order, wherein the inner shape (ID) of the coil pattern (CP1, CP2) has a sixth section (316) corresponding to the first section (311) and extending in the first direction, a seventh section (317) corresponding to the third section (313) and extending in the second direction (312), an eighth section (318) corresponding to the fourth section (314) and extending straight and obliquely to the first direction, and a ninth section (319) corresponding to the fifth section (315) and curved such that its direction of extension changes from the first direction to the second direction, where the sixth, eighth, ninth and seventh sections (316, 318, 319, 317) follow one another in this order and where the ninth section (319) is not connected to the eighth section (318) by a section extending in the first direction.

An automated installation system, constructed to install tangless helically coiled inserts, includes an installation tool, a track, and an insert separator device. The tool includes a nozzle body defining a through-bore extending along an insertion axis, and a mandrel adapted to reciprocate and rotate within the bore. The track defines a channel extending along a first centerline for the travel of inserts disposed in the channel and to the installation tool. The device is mounted to the track and includes a shuttle adapted to intersect and move in the channel. The shuttle defines a through-bore having an axis aligned to the first centerline when in a first position for acceptance of an insert from the channel, and is aligned to a second centerline for expulsion of the insert from the track and into the installation tool. The second centerline is offset from the first centerline, and intersects the insertion axis.

An aspiration catheter has an elongate flexible tubular body that has a side wall and a distal tip. A helical coil is embedded in the side wall and extends from the proximal end of the catheter to a location offset proximally from the distal tip. A reinforcement fiber is longitudinally embedded in the side wall starting from a location offset proximally from the distal tip and extends proximally at least 10 cm. The distal tip has a shaped edge which assists the catheter tip in navigating past ledges in bifurcations.

The invention discloses a radio frequency remote plasma cleaning device and a plasma source thereof, an airflow channel of the radio frequency remote plasma cleaning device comprises an annular connecting section, an ignition section and an ejection section, the ignition section and the ejection section are respectively communicated with the annular connecting section, one end of the ignition section is provided with a gas feed-in end, and one end of the ejection section is provided with an ion leading-out end; the annular connecting section is provided with an energizing part, the energizing part is sleeved with the magnetic ring, the spiral coil is wound on the side wall of the magnetic ring, and the two ends of the spiral coil are provided with radio frequency connecting ends. A variable-pressure structure is formed through an airflow channel, a spiral coil and a magnetic ring, primary electrons are generated in an ignition section through an ignition unit, radio frequency couples energy into gas in a cavity through the spiral coil and the magnetic ring, the primary electrons in the gas continuously collide with neutral gas after obtaining the energy, and plasma is generated; the mode that pre-ignition and circuit maintaining are separated is adopted, the gas ionization difficulty and the complexity of the circuit maintaining part are reduced, and the device can excite plasmas under the low air pressure and low power.

A magnetic field detection apparatus includes a magnetoresistive effect element and a helical coil. The magnetoresistive effect element includes a magnetoresistive effect film extending in a first axis direction. The helical coil includes a parallel connection including first and second parts extending in a second axis direction inclined with respect to the first axis direction. The first and second parts are adjacent to each other in a third axis direction and coupled to each other in parallel. The helical coil is wound around the magnetoresistive effect element while extending along the third axis direction. The magnetoresistive effect film overlaps the first and second parts in a fourth axis direction orthogonal to the second and third axis directions. The helical coil is configured to be supplied with a current and thereby configured to generate an induction magnetic field to be applied to the magnetoresistive effect film in the third axis direction.

A medical catheter (100) and its manufacturing method are presented, creating a single device from two components. The catheter (100) features a proximal (104) and a distal shaft (106) with distinct polymeric material where the exposed braided structures are mechanically connected at a transition portion, resulting in a single shaft. A reinforcing assembly is integrated into the proximal shaft (104) and includes reinforcing sleeves with helical coils creating a steering wire guidance system, and a anchor ring mechanically connected to the transition portion. The distal shaft (106) incorporates an articulation structure with interconnected elements and steering wire lumens aligned with the reinforcing assembly. The manufacturing involves selectively removing polymeric jackets of a proximal (104) and distal shaft (106), exposing the braided structures, and mechanically connecting them. Such a catheter device (100) and manufacturing method addresses limitations of conventional joining methods, enhancing maneuverability and precision for navigating complex anatomies.

This utility model discloses a miniature circuit breaker that facilitates switching of magnetic systems. It includes a housing with an installation area within it. A helical coil magnetic system, a snap-action magnetic system, or a shunt-excitation auxiliary magnetic system is fixed within the housing via this installation area. Switching of the circuit breaker's electromagnetic system is achieved by replacing the helical coil magnetic system, the snap-action magnetic system, or the shunt-excitation auxiliary magnetic system. Because the installation area is provided within the housing and used to fix the helical coil magnetic system, the snap-action magnetic system, or the shunt-excitation auxiliary magnetic system, the versatility of the housing is enhanced; consequently, the competitiveness of circuit breakers using this housing is improved.

An aerosol generator (10) is provided, comprising a housing (12) defining a chamber (16) for receiving at least a portion of an aerosol-generating article (102). The aerosol generator (10) also comprises an inductor coil (24) suspended within the chamber (16), as well as a power supply (42) and a control circuit (40) connected to the inductor coil (42). The inductor coil (42) is a helical coil including a first end (30) and a second end (32). The housing (12) is in contact with the inductor coil (42) only at the first end (30) and the second end (32). The power supply (42) and control circuit (40) are configured to supply alternating current to the inductor coil (24) so ​​that the inductor coil (24) generates an alternating magnetic field when in use. An aerosol generating system (100) comprising the aerosol generator (10) is also provided.

The invention belongs to the technical field of reactor structural mechanics, and particularly relates to a method for evaluating flow-induced vibration of a spiral coil in a liquid metal environment. The method comprises the following steps: S10, determining key models and parameters required in the process of calculating fluid exciting force and dynamic response of the spiral coil based on dynamic characteristics of the spiral coil and internal flow-induced vibration experimental data; s20, calculating the internal flow exciting force of the spiral coil under the phase change condition; s30, the exciting force of the liquid metal fluid outside the pipe is calculated; s40, calculating the vibration response of the spiral coil; and S50, evaluating the flow-induced vibration of the spiral coil. According to the method, on the basis of dynamic characteristics of the spiral coil pipe and internal flow-induced vibration experimental data, calculation of fluid exciting force of two-phase flow in the pipe and fluid exciting force of liquid metal scouring a pipe bundle outside the pipe is carried out, the exciting force is loaded through a one-way coupling method, response of the spiral coil pipe is obtained, and evaluation of heat transfer pipe failure is given by judging the amplitude.

A ceramic heating core includes a ceramic body and at least one heating wire. The ceramic body includes at least one through hole, and the at least one heating wire is disposed through the at least one through hole. The at least one heating wire each includes an effective heating section; the effective heating section extends helically in the through hole; the effective heating section includes a plurality of helical coils, and there is a space between every two adjacent helical coils; defining a helical direction of the plurality of helical coils as an axial direction, the effective heating section has an axial height of 3-6 mm; and the ceramic body has an axial height of ≥7.5 mm.

The utility model provides a precision inductance filter applied to the field of filters, which comprises a base and a filtering assembly arranged on the base, the filtering assembly comprises a plurality of coaxial magnetic tubes which are coaxially sleeved, and a spiral coil winding is arranged between every two adjacent coaxial magnetic tubes; the two ends of the filtering assembly are detachably connected with end covers, an outer shielding box is fixed to the end cover on one side, and an L-shaped cover plate matched with the outer shielding box is arranged in the base. Through the coaxial magnetic tubes which are coaxially sleeved and the spiral coil windings which are wound between the adjacent coaxial magnetic tubes, the current can be filtered more efficiently by utilizing magnetic field coupling and inductance characteristics, the filtering precision is improved, and the requirement of electronic equipment for high-precision filtering is met. The outer shielding box and the L-shaped cover plate are made of electromagnetic shielding materials, a good electromagnetic shielding space is formed through a reasonable assembly structure, external electromagnetic interference can be effectively blocked, the anti-interference capability of the filter is improved, and stable operation of the filter is guaranteed.

A communication system is disclosed that features a computing device, a radiating element coupled to the computing device and including a primary helical coil, a secondary helical coil positioned within the primary helical coil, one or more inductor coils that are free to rotate positioned within the secondary helical coil, an optohelical antenna, a central core positioned within the one or more inductor coils, one or more central core coils positioned within the central core, and a central core cavity positioned within the one or more central core coils, in which the central core cavity includes a plasma and / or a gain medium which exhibits magnetic resonance, spontaneous emission, stimulated emission, and / or absorption. The communication system includes a signal injection circuit, a signal detection circuit communicatively coupled to the computing device, and a control module communicatively coupled to the computing device to determine a mode of a transceiver module.

The invention relates to the technical field of magnetic coupling wireless electric energy transmission, in particular to a magnetic coupling mechanism of a wireless electric energy transmission system and a multi-mode thermal balance control method thereof.The magnetic coupling mechanism comprises a magnetic energy emission structure which is composed of three fan-shaped coils of the same structure, and the three fan-shaped coils are arranged in parallel at equal intervals and evenly distributed in the circumferential direction around the same central axis; the three fan-shaped coils are arranged in parallel; the magnetic energy receiving structure is a square planar spiral coil which is arranged in parallel and opposite to the three fan-shaped coils; the water cooling device comprises three groups of fan-shaped heat dissipation coil pipes with the same structure; the three groups of fan-shaped heat dissipation coil pipes are in one-to-one correspondence with the three fan-shaped coils and are tightly adjacent to the three fan-shaped coils; and the plurality of temperature sensors are distributed on one surface, facing the fan-shaped heat dissipation coil pipe, of the fan-shaped coil and are used for providing real-time temperature acquisition data for heat balance control. By optimizing the design of the magnetic coupling mechanism and the heat balance capacity, the operation temperature of the coil can be reduced, and the transmission efficiency and the loading capacity of the system can be improved.

An apparatus and method of manufacture includes a helical wire coil and a core wire. The core wire has a first wire portion and a second wire portion. The first wire portion of the core wire extends through the helical wire coil. The second wire portion of the core wire is intertwined with the first helical wire coil to fixedly secure the core wire relative to the first helical wire coil. The core wire is formed from a first material that is non-extensible. The core wire is fixedly secured relative to a distal portion of the helical wire coil such that the core wire inhibits longitudinal elongation of the helical wire coil along a longitudinal coil axis.