42results about How to "Avoid mechanical contact" patented technology

Disclosed herein is an apparatus of a contra rotating generator. The contra rotating generator comprises a cylindrical armature supported on an inner shaft. The inner shaft rotates in a first direction. A cylindrical magnetic field rotor is supported on an outer shaft. The outer shaft is oriented coaxially to the inner shaft. The outer shaft contra rotates opposite to the first direction. A plurality of cam followers maintains uniform air gap between outer surface of the cylindrical armature and inner surface of the cylindrical magnetic field rotor. The uniform air gap prevents mechanical contact between the cylindrical armature and the cylindrical magnetic field rotor. A sprag clutch prevents unidirectional rotation of the inner shaft and the outer shaft. The contra rotation between the cylindrical armature and the cylindrical magnetic field rotor increases relative magnetic flux speed for generating electrical power at low speeds of operation.

Filtering assembly for a feedthrough, for implantable medical devices, having operating conductive pin(s) and a ground conductive pin. The filtering assembly has:first insulating substrate,first conductive layer accommodated at first side of first insulating substrate and second conductive layer accommodated at second side of first insulating substrate opposing first side,first conductive layer comprises a conductive ground ring accommodated that surrounds the circumference of one end of the operating conductive pins and capacitive element(s), wherein each of the capacitive element(s) provides on the first side a connection to the operating conductive pin(s) and on the second side a connection to the ground ring, wherein the ground ring is connected to the ground pin,the second conductive layer comprises a ground plane providing connection to the ground ring of the first conductive layer and a connection to the ground pin.Further directed to a feedthrough assembly comprising the inventive filtering assembly.

A charging device (10) includes electrospray means for inducing electrospraying through application of a voltage to an incoming liquid (11), in order to produce charged liquid droplets (13). The device (10) charges a photoreceptor drum (1) by means of the liquid droplets (13). Hence, the invention provides a charging device capable of reducing ozone production while preventing the charging device and the electrostatic latent image carrier from degrading or wearing out from friction between the device and the carrier and provides also an image forming device incorporating the charging device.

A dynamic mixer comprising two mixing parts which are rotatable relative to each other about a predetermined axis of rotation, each of said mixing parts having a mixing face, between which is defined a flow path which extends between an inlet and an outlet, each of said mixing faces comprising a series of annular steps centred on the predetermined axis of rotation, having a plurality of offset and overlapping cavities formed therein, such that material moving between the mixing faces of the two mixing parts from the inlet to the outlet is transferable between overlapping cavities.

The invention relates to an arrangement for packing drug portions into dispensing packages. A dispensing machine includes a plurality of storing and metering stations having a plurality of drug portions, a packing device that receives the drug portions dispensed by the storing and metering stations and places them into dispensing packages, and a control device. Each storing and metering station includes a stationary part fixed to a frame, a removable part containing a refillable reservoir and has an information memory for storing an identifier of the removable part. A reading device for reading the information memory is functionally assigned to the stationary part. Each information memory contains a memory location for a filling code. Every time the reservoir has been refilled, the filling code is changed at the charging station so that the refilling can be detected by the control device when the information memory is read by the reading device after the removable part has been placed back onto the stationary part of the same or a different storing and metering station.

Disclosed is a linear vibration generating device including: a stator including a bracket on which a coil is seated, and a case made of a magnetic material which is engaged to the bracket to form an inner space; a vibrator including a permanent magnet for generating a vibration force in cooperation with the coil, and a weight enclosing a circumference of the permanent magnet; a resilient member which is positioned between the vibrator and the stator to resiliently support vertical oscillation of the vibrator; and a plate which is positioned between the resilient member and the vibrator

The invention relates to an L-shaped support body (10) for accommodating a fish and for conveying said fish, aligned such that the fish tail goes in first through a cutting unit (4) having a circular knife pair (6) of a fish processing device, which has an continuously circulating conveyor, wherein the support body (10) has a main body (12) for fastening said support body to the conveyor and a bearing web (14), which protrudes beyond a side wall (11) of the main body (12) and which has a support edge (16) arranged at the top for accommodating the center bones of the fish to be accommodated, wherein the bearing web (14) has a groove (18) arranged at the bottom, which groove is designed as a counter unit for the circular-blade pair (6). The invention further relates to a corresponding device for processing fish.

The invention relates to the technical field of automatic LED lamp production equipment and in particular relates to an LED lamp cap dispenser. The LED lamp cap dispenser comprises a dispensing assembly, a dispensing needle, a dispensing rack, a rotary driving assembly, a base mounting disc, a lamp cap positioning seat and a mounting disc motor, wherein the base mounting disc is rotationally arranged on the dispensing rack; the mounting disc motor is arranged on the dispensing rack and can drive the base mounting disc to rotate; the lamp cap positioning seat is rotationally arranged on the base mounting disc; and the rotary driving assembly can drive the lamp cap positioning seat to rotate. According to the LED lamp cap dispenser disclosed by the invention, the lamp cap positioning seat is driven to rotate, rotation of the LED lamp cap on the automatic production line is realized, the dispensing needle is stationary in the dispensing process, stable dispensing in the operation of the dispensing assembly is promoted, the problem that the dispensing needle is vibrated and collided is solved, and the dispensing effect is easy to control.

A long-range optical apparatus, particularly a binocular having two tubes for accommodating long-range optical devices, includes a first folding bridge, a second folding bridge, and preferably a third folding bridge. The folding bridges are pivotably arranged between the tubes of the long-range optical device and each include a first and a second bridge element associated with each other and pivotable relative to each other. At least one folding bridge has a fit that prevents mechanical contact of the bridge elements to each other at least in regions of the pivoting range of the bridge elements.

The invention discloses a torque measuring device based on a magnetic coupling. The device utilizes the principle of interaction of magnetic fields to realize torque transmission between two rotatingshafts. The degree of distortion of a magnetic line in a magnetic field is used, and the torque magnitude is measured through the angular position difference between two rotor magnetic poles. The combination of the functions of a contactless coupling and a torque sensor is realized. The structure of a system is simplified, and the friction loss of the system is eliminated. Strain gage displacementdeformation, which is caused by repeated measuring of the mechanical connection structure of the existing torque sensor, and the problem of inaccurate torque measurement is prevented. The reliabilityof the system and the convenience of torque detection are improved.

A dynamic mixer (50) comprising: two mixing elements (51), (52) rotatable relative to each other about a predetermined axis of rotation, each said mixing element having a mixing surface between which between an inlet (56) and an outlet (57) for the materials to be mixed; each said mixing surface comprises a series of annular steps centered on a predetermined axis of rotation and has a plurality of cavities defining flow channels bridging adjacent steps on each of two mixing elements; each of said mixing surfaces being mutually positionable such that one mixing element's The steps extend towards recesses formed between the steps of the other mixing element, whereby cavities present in one mixing face are offset in axial or transverse direction with respect to cavities present in the other mixing face, and overlap in an axial direction or a transverse direction with a cavity present on another mixing surface such that material moving between the mixing surfaces of the two mixing elements from the inlet to the outlet is transferable between the overlapping cavities; Wherein at least one step of one of the mixing elements and at least one adjacent step of the other mixing element extend further in the axial direction than in the transverse direction, or vice versa, so that between the two mixing elements a volume of approximately Consistent with at least one annular mixing zone.

The present invention provides a tension control device including a dancer for controlling the tension of a web by applying force to the web, wherein the dancer includes a first ultrasonic vibration unit, the first ultrasonic vibration unit carries out ultrasonic-vibration and applies the force to the web in a non-contact state by applying repulsive force according to the ultrasonic vibration thereof. In addition, the present invention provides a continuous web processing method, comprising the steps of: controlling the tension of the web by using the tension control device; and processing the tension-controlled web.

The invention discloses a planar motor in a double-shaft decoupling structure. The planar motor disclosed by the invention comprises a base and a working platform arranged above the base, wherein a first driving coil, a second driving coil, a pneumatic suspension body, a clearance sensor and a position sensor are arranged on the base; the first and second driving coils are perpendicularly laid onthe same plane; a first permanent magnet and a second permanent magnet which are perpendicularly laid on the same plane are arranged on the working platform; the first permanent magnet is perpendicular to the first driving coil; the second permanent magnet is perpendicular to the second driving coil; and a controller is respectively connected with the two driving coils, the two sensors and the pneumatic suspension body. The double-shaft coplane decoupling structure of the invention ensures that two-dimensional motion driven by two shafts on the same plane can be realized, the structure is simplified and the reliability of a system is improved.

Disclosed is a linear vibration generating device including: a stator including a bracket on which a coil is seated, and a case made of a magnetic material which is engaged to the bracket to form an inner space; a vibrator including a permanent magnet for generating a vibration force in cooperation with the coil, and a weight enclosing a circumference of the permanent magnet; a resilient member which is positioned between the vibrator and the stator to resiliently support vertical oscillation of the vibrator; and a plate which is positioned between the resilient member and the vibrator.

The integrated photoreceptor circuit includes a photosensitive area for picking up light and a processing unit area for processing the signals provided by the photosensitive area. This photoreceptor circuit includes electric contact pads, which are arranged symmetrically solely on the side of the processing unit area, which is juxtaposed with the photosensitive area. The integrated photoreceptor circuit is mounted on a first portion of a flexible substrate. The contact pads of the integrated photoreceptor circuit are electrically connected to electrical connection pads of the printed circuit of the flexible substrate. A second portion of the flexible substrate carries electrical connection terminals, which are connected to the connection pads via conductive paths, arranged in part on a connecting portion between the first and second portions. A through aperture in the first portion may be provided opposite the photosensitive area only of the photoreceptor circuit.

An eyepiece device for a surgical instrument, the eyepiece device including: an eyepiece frame; and at least one optical unit accommodated in the eyepiece frame, wherein the at least one optical unit comprises at least one first optical element and a second optical element connected with the at least one first optical element, wherein the second optical element is formed from a second material with abnormal dispersion and the first and the second optical elements together correct chromatic aberration; wherein the eyepiece frame comprises an expansion chamber for at least the second optical element, the expansion chamber forming an installation space for at least the second optical element in a radial direction.

The invention aims to provide a vacuum magnetic suspension power generation system and mainly solves the technical problem of improving electric energy endurance of electric traffic tools. The vacuum magnetic suspension power generation system comprises a power generation box, a power generator, a wind power energy capturing device, a power energy storage and supply device, a vacuum sealing device and a power storage device, wherein the power generation box comprises a power energy storage box, a vacuum sealed partition box and a vacuum power generation box; the vacuum sealed partition box is located between the power energy storage box and the vacuum power generation box; the vacuum sealing device is mounted in the vacuum sealed partition box; the power energy storage and supply device is mounted in the power energy storage box and comprises an energy storage rotation shaft and an energy storage rotation disc; the energy storage rotation disc is mounted on the energy storage rotation shaft; the upper end of the energy storage rotation shaft is connected with a power output shaft of the wind power energy capturing device which is mounted on the outer side of the power generation box; the lower end of the energy storage rotation shaft passes through the vacuum sealing device and is connected with a power input shaft which is mounted in the vacuum power generation box; two ends of a rotor of the power generator, are mounted by a magnetic suspension bearing. The vacuum magnetic suspension power generation system has the beneficial effect of high power generation efficiency.

The invention discloses a chemical mechanical grinding device, comprising a grinding mechanism, a carrying mechanism and a rotating mechanism connected with the carrying mechanism. The rotating mechanism comprises a driver, the carrying mechanism at least comprises a rotating bearing, and the rotating bearing is a magnetic suspension bearing. In the chemical mechanical grinding device disclosed by the invention, the magnetic suspension bearing is mainly taken as a grinding pad bearing, and a grinding pad is suspended above the magnetic suspension bearing by virtue of magnetic suspension force, thus no mechanical contact is arranged between the grinding pad and the magnetic suspension bearing. The invention aims at applying the magnetic suspension bearing technology to the semiconductor technology industry, so as to substitute the traditional mechanical bearing, thus defects caused by the fact that the mechanical bearing is used, such as mechanical friction loss, energy loss, oil pollution, noise and the like can be overcome. Besides, the magnetic suspension bearing provided by the invention also has the advantages that service life is longer compared with the mechanical bearing and loss caused by wafer scrapping owning to bearing problem is greatly reduced.

The invention relates to an intraocular lens system (30) for implantation in an eye (10). The intraocular lens system (30) comprises a ciliary body implant (32) having a ciliary body magnet element (36), the ciliary body implant (32) being implantable in the eye (10) such that the ciliary body magnet element (36) follows at least partially a movement of a ciliary body (16) of the eye (10). The intraocular lens system (30) also includes an intraocular lens (10) having a lens magnet element (44). In this case, the ciliary body implant (32) and the intraocular lens (34) are formed separately from one another and the intraocular lens system (30) is designed to control the refractive effect of the intraocular lens (34) by means of an interaction in the eye (10) between the ciliary body magnet element (36) and the lens magnet element (44). The invention also relates to a ciliary body implant (32) and an intraocular lens (34).