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278results about "Resistive element windings" patented technology

Filament Winding Automated System

The present invention makes it possible to increase production efficiency while reducing costs. A filament winding automated system according to the present invention includes a winding device winding a fiber bundle R paid out from a head portion 12, 13, around a mandrel M1, an installing device 5 installing the mandrel around M1 which no fiber bundle has been wound yet, at a winding position, a discharging device 5 discharging the mandrel around which the fiber bundle has already been wound, from the winding position, a delivery device 3 holding and delivering the fiber bundle R from the mandrel around which the fiber bundle has already been wound to a mandrel M1 around which no fiber bundle has been wound yet, and a cutting device cutting the fiber bundle R, and after winding is completed, the delivery device 3 holds the fiber bundle R paid out from the head portion 12, 13, the cutting device cuts and separates the fiber bundle R from the mandrel around which the fiber bundle has already been wound, the discharging device 5 discharges the mandrel around which the fiber bundle has already been wound, the installing device installs the mandrel M1 around which no fiber bundle has been wound yet, and the winding device starts winding the fiber bundle R held by the delivery device 3, around the mandrel M1 around which no fiber bundle has been wound yet.
Owner:MURATA MASCH LTD

Protective paint transferring and dip-coating device for winding resistors

The invention relates to the field of winding resistor paint coating devices and in particular relates to a protective paint transferring and dip-coating device for winding resistors. The device comprises a device body, a rotation device, a clamping device and a transferring device, wherein the device body comprises a paint containing slot, a front supporting plate and a rear supporting plate; the paint containing slot is a rectangular slot and is formed in the lower part of the device body. During work, protective paint is positioned in the paint containing slot; the rotation device is positioned in the middle of the device body; the clamping device is positioned around the rotation device and is positioned right above the paint containing slot; the transferring device is positioned at the right side of the device body. The protective paint transferring and dip-coating device can be used for filling up the defects that during the winding resistor paint coating, the degree of automation is low, the harm to a human body is caused and the like in the prior art, and achieving the aims of automatic transferring and automatic paint coating; the manual operation is reduced, the labor intensity of workers is reduced, the body health of the workers is facilitated, and the automatic operation is realized in the whole process; compared with that in the prior art, the paint coating efficiency is improved.
Owner:嘉兴威伏半导体有限公司

Conductor Assembly and Methods of Fabricating a Conductor Assembly With Coil Having An Arcate Shape Along A Curved Axis

A conductor assembly including a magnetic coil positioned about a curvilinear axis with one or more coil rows comprising conductive material having an arcuate shape. A generated field is characterized by a dipole component having a first magnitude, a quadrupole component having a second magnitude, a sextupole component having a third magnitude and a decupole component having a fourth magnitude. The third and fourth magnitudes each 10−3 the first magnitude or less. An associated method includes specifying, for a coil along a straight axis, a first magnetic field pattern including a main magnetic field component of a first order, specifying a first wiring pattern about the straight axis representable by a first series of points, generating a second series of points about a curvilinear axis specification to provide a second wiring pattern derived from the first series of points, characterizing a magnetic field which can be generated according to the second wiring pattern, identifying about the curvilinear axis a first magnitude magnetic field component of a second order, and generating a third wiring pattern along a straight axis with a third series of points based on the first series of points and incorporating a first modulation based on which a generated magnetic field includes a second multipole component of the second order capable of reducing the net field strength of components of the second order. A fourth series of points generated about a curvilinear axis provides a fourth wiring pattern derived from the third series of points.
Owner:ADVANCED MAGNET LAB

Method for making electrical windings for electrical apparatus and transformers and windings obtained by said method

This invention relates to a method of manufacturing electrical windings for electrical apparatus and transformers. This method comprises the following steps: manufacturing a metal mandrel defining the internal shape of the winding; installation of an internal insulation and support; installation of side rings; pouring impregnation compound on horizontally turning mandrel for obtaining a thin layer on the operational area of the mandrel and side surface of the side rings; optionally curing this layer; fixation of the first end wire using one of side rings; manufacturing winding with simultaneous pouring of compound onto the mandrel; possibly introducing intermediate insulation and / or reinforcing layers of preimpregnated reinforced plastics; optionally inserting premade sleeves around section of the winding; fixation of the second end wire using one of side rings; possibly introducing external insulation or reinforcing layers of preimpregnated reinforced plastics; possibly manufacturing secondary windings on top of the wound winding; curing the winding; extraction of the cured winding or a set of cured windings from the mandrel.The invention also relates to winding structures obtained by this method.
Owner:PULNIKOV SERGEY

Wire winding device of special resistance plate

A wire winding device of a special resistance plate includes a rack, a first rotating rod, a second rotating rod, a guide rod, a threader, a fixing device and a drive device, wherein the first rotating rod is pivoted with the rack; the second rotating rod is in transmission connection with the first rotating rod, is in parallel with the first rotating rod, and is provided with a first section and a second section; the fist section is pivoted to the rack, and the second section is provided with threads; the guide rod is fixed on the rack and parallel with the second rotating rod; a threaded hole is arranged in the threader, the threader is connected with the guide rod and connected with the second section through the threaded hole; the fixing device is connected with the first rotating rod and opposite to the second section; the drive device drives the first rotating rod to rotate, the first rotating rod rotates to drive the fixing device to rotate around the axis of the first rotating rod, the first rotating rod rotates to drive the second rotating rod to rotate, and the second section of the second rotating rod is matched with the threaded hole of the threader to drive the threader to reciprocate along the guide rod. The wire winding device has high efficiency in producing resistance wires and can ensure the consistency of products.
Owner:张家港市泓溢电源科技有限公司
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