# US 10,767,285 B2 · Spooling and twisting device of a ring-spinning or ring-twisting machine, and ring-spinning and ring-twisting method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,767,285 B2 - Document ID: US10767285B2 - Status: Granted - Kind: B2 - Application number: 16/093,546 - Filed: 2017-03-21 - Published: 2019-05-02 - Granted: 2020-09-08 - Earliest claimed: 2016-04-14 - Assignees: Sanko Tekstil Isletmeleri San.Ve Tic.A.S. Baspinar Subsei - Applicants: Sanko Tekstil Isletmeleri San.Ve Tic.A.S. Baspinar Subesi - Inventors: Oliver De Haas; Lars Kühn - Web page: https://patentgrep.com/patent/US10767285B2 ## CPC - D01H 7/52: Ring-and-traveller arrangements - F16C 32/0438: {with a superconducting body, e.g. a body made of high temperature superconducting material such as YBaCuO} - D01H: SPINNING OR TWISTING (twisting oakum D01G35/00; crimping or curling of fibres, filaments, or yarns D02G1/00) - F16C: SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS ## Abstract The present invention provides a winding and twisting device of a ring spinning or ring twisting machine with at least one stator, which comprises at least one superconducting material and a stator cooling system, at least one rotor that creates a magnetic field, and a rotatable spindle, wherein the rotor and the stator are arranged co-axially to the spindle; and wherein the rotor and the stator are formed in a way that a ring-shaped air gap, which is arranged co-axially to the spindle and in which the thread to be wound up can circulate, is formed between the rotor and the stator. Furthermore, a ring spinning or ring twisting method, in which fiber material is twisted and subsequently wound up, is provided, in which such a winding and twisting device is used, wherein the rotor is held co-axially at a distance to the stator by a rotor holding device, wherein the temperature of the superconducting material of the stator is reduced below the transition temperature of the superconducting material and wherein the rotor is released by the rotor holding device. ## Claims ### Claim 1 A winding and twisting device of a ring spinning or ring twisting machine, the winding and twisting device comprising: at least one stator that comprises at least one superconducting material and a stator cooling device, at least one rotor that generates a magnetic field, and a rotatable spindle, wherein the rotor and the stator are arranged co-axially to the spindle; and the rotor and the stator are formed so that a ring-shaped air gap, which is arranged co-axially to the spindle and in which a thread to be wound up can circulate, is formed between the rotor and the stator. ### Claim 2 (depends on 1) The winding and twisting device according to claim 1, wherein the rotor and/or the stator have at least one ring-shaped yarn guiding element that is arranged co-axially to the spindle, and wherein the yarn guiding element of the rotor or the yarn guiding element of the stator delimit the air gap. ### Claim 3 (depends on 1) The winding and twisting device according to claim 1, wherein the rotor and the stator are further formed so that the rotor can be supported in a contactless way due to magnetic levitation during operation of the winding and twisting device. ### Claim 4 (depends on 1) The winding and twisting device according to claim 1, wherein the rotor is further formed so that the rotor is pinned to the stator through the generated magnetic field in relation to a rotation around a spindle axis. ### Claim 5 (depends on 1) The winding and twisting device according to claim 1, wherein the rotor has one or several subsection(s) with a permanent-magnetic material that generates the magnetic field. ### Claim 6 (depends on 1) The winding and twisting device according to claim 1, wherein the stator has two or more superconducting subsections that are spaced from one another in a circumferential direction of the spindle. ### Claim 7 (depends on 6) The winding and twisting device according to claim 6, wherein the superconducting subsections are arranged in regular intervals in a periphery of the spindle. ### Claim 8 (depends on 6) The winding and twisting device according to claim 6, wherein the rotor has a respectively arranged subsection with a permanent-magnetic material for each superconducting subsection of the stator. ### Claim 9 (depends on 8) Winding and twisting device according to claim 8, wherein the rotor and the stator each have exactly three subsections. ### Claim 10 (depends on 1) The winding and twisting device according to claim 1, wherein the rotor and the stator are arranged in a co-planar way, the stator encloses the rotor and the thread is guided from above through the air gap. ### Claim 11 (depends on 1) The winding and twisting device according to claim 1, wherein the rotor and the stator are arranged in parallel and at an axial distance to one another and wherein the thread is guided from the outside through the air gap. ### Claim 12 (depends on 2) The winding and twisting device according to claim 2, wherein at least a part of a surface of the yarn guiding element of the rotor and/or the stator that comes in contact with the thread is coated. ### Claim 13 (depends on 2) The winding and twisting device according to claim 2, wherein the yarn guiding elements are made of plastic or light metal or comprise plastic or light metal. ### Claim 14 (depends on 1) A ring spinning or ring twisting method in which a fiber material is twisted and subsequently wound up, wherein a winding and twisting device according to claim 1 is provided, the rotor is held co-axially at a distance to the stator by a rotor holding device, a temperature of the superconducting material of the stator is reduced below a transition temperature of the superconducting material, and the rotor is released by a rotor holding device. ### Claim 15 (depends on 14) The ring spinning or ring twisting method according to claim 14, wherein the spindle is rotated with a speed around a spindle axis in a process of which a friction of the circulating thread with the yarn guiding elements is not sufficient to overcome a torque-proof magnetic support.