# US 2019/0244751 A1 · Electromechanical composite component and method for producing same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0244751 A1 - Document ID: US20190244751A1 - Status: Published application - Kind: A1 - Application number: 16/318,641 - Filed: 2017-09-05 - Published: 2019-08-08 - Earliest claimed: 2016-09-20 - Assignees: Ms-Schramberg Holding GmbH & Co. KG - Applicants: Ms-Schramberg Holding GmbH & Co. KG - Inventors: Reinhold BROGHAMMER - Web page: https://patentgrep.com/patent/US20190244751A1 ## CPC - H01F 41/0266: {Moulding; Pressing (H01F41/0273 takes precedence; hard magnetic particles H01F1/06, H01F1/11)} - B22F 5/10: of articles with cavities or holes, not otherwise provided for in the preceding subgroups - B22F 7/08: with one or more parts not made from powder {(B22F7/062 takes precedence)} - H01F 7/0221: {Mounting means for PM, supporting, coating, encapsulating PM} - H02K 1/2726: the rotor consisting of a single magnet or two or more axially juxtaposed single magnets - H02K 15/03: having permanent magnets - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - B22F: WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER (making alloys by powder metallurgy C22C); APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) ## Abstract An electromechanical composite component having a sleeve and a magnet device positioned therein, which is compressed out of a powdered material containing magnetic particles, and at least one cover, which closes the sleeve in a sealed fashion at the end. The magnet device is affixed in the sleeve in a frictionally engaging way in that a molded body, which is compressed out of the magnetic material, is inserted into the sleeve with sliding friction and produces a frictionally engaging press-fitted connection in the sleeve as it relaxes. ## Claims ### Claim 1 An electromechanical composite component (1) having a sleeve (2) and a magnet device positioned therein, which is compressed out of a powdered material containing magnetic particles, and at least one cover (6), which closes the sleeve (2) in a sealed fashion at the end, the composite component comprising: the magnet device is affixed in the sleeve (2) in a frictionally engaging way with a molded body compressed out of the magnetic material and inserted into the sleeve (2) with sliding friction and producing a frictionally engaging press-fitted connection in the sleeve (2) as it relaxes. ### Claim 2 (depends on 1) The composite component according to claim 1, wherein the wall thickness of the sleeve (2) is at most 0.5 mm, in particular at most 0.2 mm. ### Claim 3 (depends on 2) The composite component according to claim 2, wherein an optional axle (5) that extends through the at least one cover (6) is guided concentrically by the sleeve (2) and the magnet device. ### Claim 4 (depends on 3) The composite component according to claim 3, wherein the at least one cover (6) is affixed to an associated end of the sleeve (2) in a fluid-tight fashion and the optional axle (5) and is affixed to the sleeve (2) by flanging. ### Claim 5 (depends on 4) The composite component according to claim 4, wherein the at least one cover (6) is welded to the associated end of the sleeve (2) and the optional axle (5) in a fluid-tight fashion by laser welding. ### Claim 6 (depends on 5) The composite part according to claim 5, wherein the at least one cover (6) is fixed in position by being injection molded or extrusion coated onto the sleeve (2) and the optional axle (5). ### Claim 7 (depends on 6) The composite component according to claim 6, wherein the sleeve (2) is of a metal or a plastic material, in particular glass fiber-reinforced plastic or a carbon fiber-reinforced plastic. ### Claim 8 (depends on 7) The composite component according to claim 7, wherein the optional axle (5) is of a metal or a ceramic material. ### Claim 9 (depends on 8) The composite component according to claim 8, wherein the magnet device has a cylindrical magnet body (3) with a solid cross-section or annular cross-section. ### Claim 10 (depends on 8) The composite component according to claim 8, wherein a filler body is inserted concentrically into the magnet body (3). ### Claim 11 A method for producing a composite component (1) having a sleeve (2) and a magnet device positioned therein, in which a molded body is compressed out of a powdered material containing magnetic particles and after insertion of the molded body, the sleeve (2) is closed in a sealed fashion on at least one end, the method including inserting the compressed molded body into the sleeve (2) with sliding friction and when relaxed becomes fixed in position in a frictionally engaging way, producing a press-fitted connection in the sleeve (2). ### Claim 12 (depends on 1) The composite component according to claim 1, wherein an optional axle (5) that extends through the at least one cover (6) is guided concentrically by the sleeve (2) and the magnet device. ### Claim 13 (depends on 1) The composite component according to claim 1, wherein the at least one cover (6) is affixed to an associated end of the sleeve (2) in a fluid-tight fashion and the optional axle (5) and is affixed to the sleeve (2) by flanging. ### Claim 14 (depends on 1) The composite component according to claim 1, wherein the at least one cover (6) is welded to the associated end of the sleeve (2) and the optional axle (5) in a fluid-tight fashion by laser welding. ### Claim 15 (depends on 1) The composite part according to claim 1, wherein the at least one cover (6) is fixed in position by being injection molded or extrusion coated onto the sleeve (2) and the optional axle (5). ### Claim 16 (depends on 1) The composite component according to claim 1, wherein the sleeve (2) is of a metal or a plastic material, in particular glass fiber-reinforced plastic or a carbon fiber-reinforced plastic. ### Claim 17 (depends on 2) The composite component according to claim 2, wherein the optional axle (5) is of a metal or a ceramic material. ### Claim 18 (depends on 1) The composite component according to claim 1, wherein the magnet device has a cylindrical magnet body (3) with a solid cross-section or an annular cross-section. ### Claim 19 (depends on 17) The composite component according to claim 17, wherein a filler body is inserted concentrically into the magnet body (3).