# US 5,344,686 A · Tension strained fiber structure component > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,344,686 A - Document ID: US5344686A - Status: Granted - Kind: A - Application number: 07/861,808 - Filed: 1992-08-18 - Granted: 1994-09-06 - Earliest claimed: 1989-12-20 - Assignees: MTU Motoren- und Turbinen-Union Muenchen GmbH - Inventors: Horst Heubert - Web page: https://patentgrep.com/patent/US5344686A ## CPC - F16C 7/026: {made of fibre reinforced resin} - B29C 70/023: {with reinforcing inserts} - F01D 5/282: {Selecting composite materials, e.g. blades with reinforcing filaments} - Y10S 428/902: High modulus filament or fiber - Y10T 428/238: Metal cover or casing - Y10T 428/24132: including grain, strips, or filamentary elements in different layers or components parallel - Y10T 428/24777: Edge feature - F16C: SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - F01D: NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive displacement pumps F04D) - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A tension strained fiber structure component comprises a plurality of mutually connected structural elements which each consists of a fiber strand plate aligned in the tension direction and of a pressure plate extending at an acute angle with respect to the tension direction, which are both connected with one another. As a result, a favorable introduction of the tension forces into a separate supporting component can be achieved. ## Claims ### Claim 1 A tension strained fiber structure component having supporting surfaces which deviate from a tension direction for form-fitting supporting a separate supporting component, constructed of a plurality of fiber strand plates which are aligned in parallel in the tension direction and between which pressure plates are arranged which have sections projecting beyond the cross section of the fiber strand plates which absorbs tensile strain, and which form supporting surfaces, wherein several rows of pressure plates are form-fittingly embedded in the tension direction at a distance behind on another in correspondingly interrupted fiber strand plates or in intermediate matrix layers. ### Claim 2 A tension strained fiber structure component having supporting surfaces which deviate from a tension direction for form-fitting support on a separate supporting component, constructed of a plurality of fiber strand plates which are aligned in parallel in the tension direction and between which pressure plates are arranged which have sections projecting beyond the cross section of the fiber strand plates which absorbs tensile strain, and which form supporting surfaces, wherein in that the pressure plates are formfittingly embedded in correspondingly interrupted fiber strand plates or in intermediate matrix layers, and the component has a rotationally symmetrical construction, a thread or a ring groove being cut in at the circumference which grips the pressure plates and the fiber strand plates. ### Claim 3 A tension strained fiber structure component having supporting surfaces which deviate from a tension direction for form-fitting support on a separate supporting component, constructed of a plurality of fiber strand plates which are aligned in parallel in the tension direction and between which pressure plates are arranged which have sections projecting beyond the cross section of the fiber strand plates which absorbs tensile strain, and which form supporting surfaces, wherein the pressure plates are formfittingly embedded in correspondingly interrupted fiber strand plates or in intermediate matrix layers, the pressure plates being aligned at an acute angle with respect to the tension direction. ### Claim 4 (depends on 1) A tensioned strained fiber structure component according to claim 1, wherein the pressure plates are made of a homogenous material, such as metal, metal monocrystal fibers or ceramics, which transmits high shearing forces. ### Claim 5 (depends on 2) A tensioned strained fiber structure component according to claim 2, wherein the pressure plates are made of a homogeneous material, such as metal, metal monocrystal fibers or ceramics, which transmits high shearing forces. ### Claim 6 (depends on 3) A tensioned strained fiber structure component according to claim 3, wherein the pressure plates are made of a homogeneous material, such as metal, metal monocrystal fibers or ceramics, which transmits high shearing forces. ### Claim 7 (depends on 1) A tension strained fiber structure component according to claim 1, wherein the pressure plates, in addition to the form closure, are non-positively connected with the fiber strand plates. ### Claim 8 (depends on 2) A tension strained fiber structure component according to claim 2, wherein the pressure plates, in addition to the form closure, are non-positively connected with the fiber strand plates. ### Claim 9 (depends on 3) A tension strained fiber structure component according to claim 3, wherein the pressure plates, in addition to the form closure, are non-positively connected with the fiber strand plates. ### Claim 10 (depends on 1) A tension strained fiber structure component according to claim 1, wherein the fiber strand plates are made of carbon fiber, boron fiber, fiber glass, aramide fiber or mixtures thereof and are disposed in a matrix of epoxy resin or thermoresin. ### Claim 11 (depends on 2) A tension strained fiber structure component according to claim 2, wherein the fiber strand plates are made of carbon fiber, boron fiber, fiber glass, aramide fiber or mixtures thereof and are disposed in a matrix of epoxy resin or thermoresin. ### Claim 12 (depends on 3) A tension strained fiber structure component according to claim 3, wherein the fiber strand plates are made of carbon fiber, boron fiber, fiber glass, aramide fiber or mixtures thereof and are disposed in a matrix of epoxy resin or thermoresin. ### Claim 13 (depends on 1) A tension strained fiber structure component according to claim 1, wherein the pressure plates are made of a fiber structure material with a fiber orientation that differs with respect to the tension direction. ### Claim 14 (depends on 2) A tension strained fiber structure component according to claim 2, wherein the pressure plates are made of a fiber structure material with a fiber orientation that differs with respect to the tension direction. ### Claim 15 (depends on 3) A tension strained fiber structure component according to claim 3, wherein the pressure plates are made of a fiber structure material with a fiber orientation that differs with respect to the tension direction. ### Claim 16 (depends on 2) A tension strained fiber structure component according to claim 2, wherein edge zones in the direction transversely with respect to a plane of the fiber strand plates, on both sides, are formed by pressure plates of a larger thickness. ### Claim 17 (depends on 3) A tension strained fiber structure component according to claim 3, wherein a supporting plate is arranged in the center of the component on which the pressure plates are supported with their interior-side ends. ### Claim 18 A moving blade for a turborotor having a blade base constructed for the support of the centrifugal forces, constructed as a fiber structure material having supporting surfaces which deviate from a tension direction for the form-fitting support on a separate supporting component, constructed of a plurality of fiber strand plates, which are aligned in parallel in the tension direction and between which pressure plates are embedded which have sections projecting beyond the cross-section of the fiber strand plates which absorbs tensile strain, and which form supporting surfaces, wherein several rows of pressure plates are form-fittingly embedded in the tension direction at a distance behind one another in correspondingly interrupted fiber strand plates or in intermediate matrix layers. ### Claim 19 (depends on 1) A tension strained fiber structure component according to claim 1, wherein alternately fiber strand plates, oriented in the tension direction, and pressure plates, arranged to be deviating from the tension direction, are placed upon one another, are treated with resin and are joined under pressure at a hardening temperature. ### Claim 20 (depends on 2) A tension strained fiber structure component according to claim 2, wherein alternately fiber strand plates, oriented in the tension direction, and pressure plates, arranged to be deviating from the tension direction, are placed upon one another, are treated with resin and are joined under pressure at a hardening temperature. ### Claim 21 (depends on 3) A tension strained fiber structure component according to claim 3, wherein alternately fiber strand plates, oriented in the tension direction, and pressure plates, arranged to be deviating from the tension direction, are placed upon one another, are treated with resin and are joined under pressure at a hardening temperature.