# US 11,993,035 B2 · Production method for a composite fiber component, composite fiber component, testing method for a composite fiber component, computer program, machine-readable storage medium and apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,993,035 B2 - Document ID: US11993035B2 - Status: Granted - Kind: B2 - Application number: 17/297,875 - Filed: 2019-12-03 - Published: 2022-02-24 - Granted: 2024-05-28 - Earliest claimed: 2018-12-05 - Assignees: Robert Bosch GmbH - Applicants: Robert Bosch GmbH - Inventors: Linda Klein - Web page: https://patentgrep.com/patent/US11993035B2 ## CPC - B29C 70/70: Completely encapsulating inserts {(B29C70/86 takes precedence)} - B29C 70/443: {and impregnating by vacuum or injection} - B29C 70/48: and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM] {, e.g. by vacuum} - G01N 3/08: by applying steady tensile or compressive forces (G01N3/28 takes precedence) - G01P 15/08: with conversion into electric or magnetic values - 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) - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - G01P: MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (measuring or recording blood flow A61B5/02, A61B8/06; monitoring speed or deceleration of electrically-propelled vehicles B60L3/00; vehicle lighting systems adapted to indicate speed B60Q1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying G01C; combined measuring devices for measuring two or more variables of movement G01C23/00; measuring velocity of sound G01H; measuring velocity of light G01J7/00; measuring direction or velocity of solid objects by reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G01S; measuring speed of nuclear radiation G01T; measuring acceleration of gravity G01V; {measuring or recording the speed of trains B61L23/00; speed indicators incorporated in motor vehicles B60K35/00; measuring frequency or phase G01R; traffic control G08G}) ## Abstract A method for producing a composite fiber component, in which a sensor apparatus having a flexible circuit carrier and/or a sensor module, in particular a micromechanical acceleration sensor module, is integrated, includes loading a tool for producing the composite fiber component with textile layers and the sensor apparatus; closing, in particular air-tight sealing, of the loaded tool and compressing the textile layers and the sensor apparatus; introducing a liquid matrix, in particular a resin, in particular a pure resin, into the sealed tool to produce the composite fiber component; detecting, in particular in real time, an acceleration relative to the introducing and/or sealing by means of the sensor apparatus and/or the sensor module of the sensor apparatus; and deriving and/or evaluating a process parameter of the production method depending on the detected acceleration. ## Claims ### Claim 1 A method for producing a fiber composite component, in which at least one sensor device having at least one flexible circuit carrier and/or at least one sensor module is integrated, the method comprising: feeding a tool for producing the fiber composite component with textile layers and the at least one sensor device; closing the fed tool and compressing the textile layers and the at least one sensor device; introducing a liquid matrix into the closed tool for producing the fiber composite component; detecting an acceleration in relation to the introducing of the liquid matrix and/or the closing of the loaded tool with the at least one sensor device and/or the at least one sensor module of the at least one sensor device; and deriving and/or evaluating a process parameter of the production method depending on the detected acceleration. ### Claim 2 (depends on 1) The method according to claim 1, wherein the feeding of the tool comprises: inserting the at least one of the at least one sensor device and the at least one flexible circuit carrier between the textile layers; positioning the at least one of the at least one sensor device and the at least one flexible circuit carrier; and fixing the at least one of the at least one sensor device and the at least one flexible circuit carrier. ### Claim 3 (depends on 2) The method according to claim 2, wherein the positioning of the at least one of the at least one sensor device and the at least one flexible circuit carrier includes positioning the at least one of the at least one sensor device and the at least one flexible circuit carrier in relation to the textile layers and/or the tool. ### Claim 4 (depends on 1) The method according to claim 1 further comprising: opening the tool after introducing the liquid matrix, wherein the detecting of the acceleration and the deriving and/or evaluating of the process parameter are also effected in relation to the opening of the tool. ### Claim 5 (depends on 1) The method according to claim 1, wherein the at least one sensor module is a micromechanical acceleration sensor module. ### Claim 6 (depends on 1) The method according to claim 1, wherein the closing of the fed tool includes closing the fed tool in an airtight manner. ### Claim 7 (depends on 1) The method according to claim 1, wherein the introducing of the liquid matrix includes introducing a resin into the closed tool. ### Claim 8 (depends on 7) The method according to claim 7, wherein the introducing of the liquid matrix includes introducing a pure resin into the closed tool. ### Claim 9 (depends on 1) The method according to claim 1, wherein the detecting of the acceleration includes detecting the acceleration in real time. ### Claim 10 A fiber composite component, comprising: at least one sensor device integrated in the fiber composite component, the sensor device including at least one flexible circuit carrier and/or at least one sensor module, wherein the fiber composite component is produced by feeding a tool for producing the fiber composite component with textile layers and the at least one sensor device; closing the fed tool and compressing the textile layers and the at least one sensor device; introducing a liquid matrix into the closed tool for producing the fiber composite component; detecting an acceleration in relation to the introducing of the liquid matrix and/or the closing of the fed tool with the at least one sensor device and/or the at least one sensor module of the at least one sensor device; and deriving and/or evaluating a process parameter of the production method depending on the detected acceleration. ### Claim 11 (depends on 10) The fiber composite component according to claim 10, wherein the at least one sensor module includes a plurality of micromechanical acceleration sensor modules. ### Claim 12 A method for testing a fiber composite component in which at least one sensor device with at least one flexible circuit carrier and/or at least one sensor module is integrated, in which the fiber composite component is produced by the introduction of a liquid matrix into a tool, the method for testing comprising: detecting an acceleration in relation to the introduction of the liquid matrix into the tool with the at least one sensor device and/or the at least one sensor module of the at least one sensor device; and determining a degree of curing of the fiber composite component depending on the detected acceleration. ### Claim 13 (depends on 12) The method according to claim 12, further comprising: comparing the detected acceleration with a reference acceleration, wherein the determining of the degree of curing includes determining the degree of curing based on the comparison. ### Claim 14 (depends on 12) A computer program configured to execute the method according to claim 12. ### Claim 15 (depends on 14) A machine-readable storage medium comprising: at least one memory on which the computer program of claim 14 is stored. ### Claim 16 (depends on 12) A device configured to execute the method according to claim 12. ### Claim 17 (depends on 12) The method according to claim 12, wherein the at least one sensor module includes a plurality of micromechanical acceleration sensor modules. ### Claim 18 (depends on 12) The method according to claim 12, wherein the method is performed during curing the fiber composite component during production of the fiber composite component. ### Claim 19 (depends on 12) The method according to claim 12, wherein the detecting of the acceleration includes detecting the acceleration in response to application of a predetermined impulse applied to the fiber composite component and/or a tool for producing the fiber composite component.