Patents Assigned to Scherdel INNOTEC Forschungs-und Entwicklungs-GmbH
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Patent number: 11415192Abstract: The present invention relates to a spring package (2) for use in a clutch and/or in a transmission, comprising a first supporting ring (4), a second supporting ring (6) which is arranged spaced apart (parallel) from the first supporting ring (4) in the axial direction, and a plurality of coil springs (8) arranged between the first supporting ring (4) and the second supporting ring (6) in distributed manner across the circumference thereof, wherein at least one of the supporting rings (4, 6) is formed from a sheet-metal strip (22) which is stamped and then bent into a ring shape and the ends of which are permanently connected to each other.Type: GrantFiled: December 3, 2019Date of Patent: August 16, 2022Assignee: SCHERDEL INNOTEC FORSCHUNGS-UND ENTWICKLUNGS-GMBHInventors: Peter Doetterl, Franz Andritzky, Alexander Schraml
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Patent number: 11199234Abstract: The present invention relates to a spring assembly, including: a coil spring having an inner space formed by the spring windings thereof; and an anti-entanglement element for protection against entanglement of the spring assembly, in particular with at least one further spring assembly or with at least one other coil spring; wherein the anti-entanglement element is partially disposed in the inner space formed by the spring windings and extends longitudinally through at least a portion of the inner space; and wherein the anti-entanglement element (14, 26) is provided in the form of an anti-entanglement stirrup, formed separately from the coil spring and clampingly supported in the inner space; or wherein the anti-entanglement element is provided in the form of an anti-entanglement pin, which is formed separately from the coil spring and has a front loss-prevention or captive end and a rear stop end.Type: GrantFiled: February 28, 2018Date of Patent: December 14, 2021Assignee: SCHERDEL INNOTEC FORSCHUNGS- UND ENTWICKLUNGS GMBHInventors: Achim Grassold, Patrick Foucart
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Patent number: 11143301Abstract: The present invention relates to an oil scraper ring spring (1) for an oil scraper ring (3) comprising the oil scraper ring spring (1), an upper and a lower metal ring (21, 22) and provided for being mounted in an oil ring groove of a piston. The oil scraper ring spring (1) comprises a plurality of upper regions (5) and a plurality of lower regions (7) arranged in alternating manner in a circumferential direction so as to be spaced in an axial direction; connecting regions (9) each connecting the adjacent upper and lower regions (5, 7) to each other.Type: GrantFiled: April 24, 2018Date of Patent: October 12, 2021Assignee: SCHERDEL INNOTEC FORSCHUNGS-UND ENTWICKLUNGS-GMBHInventors: Peter Mielke, Manuel Heindl, Maik Zimmermann
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Patent number: 10760635Abstract: A torsion spring assembly according to the invention includes a torsion spring having a cylindrical spring body of wound spring wire and with a plurality of torsion spring windings, and having first and second torsion spring ends for taking up forces in a direction of rotation, and a damping spring abutting the torsion spring on the inner side and having a cylindrical spring body of wound spring wire and with a plurality of damping spring windings, and having first and second damping spring wire ends, wherein the damping spring windings have their outer sides extending partially into the space formed between two respectively adjacent torsion spring windings and abutting in particular rounded, round or beveled inner abutment areas of respectively adjacent torsion spring windings with substantially radially outwardly directed bias.Type: GrantFiled: May 26, 2017Date of Patent: September 1, 2020Assignee: Scherdel Innotec Forschungs-Und Entwicklungs GmbHInventors: Thomas Rausch, Georg Hannig, Christoph Angermann
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Patent number: 8698643Abstract: Seat-occupancy-detection-sensor-element featuring double-body/compression/spring (DBCS) in a recess of a base-member (BM); and slidable-member (SM) having a force-application-side (FAS) and inside facing the BM; measuring-coil (MC) arranged in the recess and surrounded by the DBCS and having wound-coil-wire (WCW); and current-generating/measuring/evaluating-unit (CGMEU) connected to the WCW; the DBCW abutting the BM on one side and being fixed to the SM on the side of the SM compressed by a force on the FAS, from a spring length either uncompressed or compressed by a predetermined extent; spring wire ends connected and electrically forming a spring-coil (SC); MC and SC coils constituting an inductively-coupled coil assembly (ICCA); and the CGMEU applying AC to the MC inducing AC in the DBCS, measuring voltage on the MC proportional to the ICCA's impedance, and ascertaining force on the SM's FAS.Type: GrantFiled: October 24, 2012Date of Patent: April 15, 2014Assignees: SCHERDEL INNOTEC Forschungs-und Entwicklungs-GmbH, Forschungs-und Transferzentrum Leipzig e.V. and der HTWK LeipzigInventors: Marco Schmitt, Jan Seitenglanz, Thomas Fiedler, Gisela Barthold, Hans-Martin Rambold, Fabian Wiessner, Michael Eiserbeck
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Publication number: 20140048991Abstract: The invention relates to a wave spring (2) which comprises a spring strip (4) which is coiled in a substantially circular-ring-shaped manner and, over the circumference, describes a wavy line which oscillates about a radial reference plane and has wave crests (6) and wave troughs. The ends of the circular-ring-shaped spring strip (4) are connected by means of a weld seam (10) which is arranged in a low-tension region of the wavy line of the spring strip (4) between a wave crest (6) and an adjacent wave trough (8).Type: ApplicationFiled: February 1, 2012Publication date: February 20, 2014Applicant: SCHERDEL INNOTEC FORSCHUNGS-UND ENTWICKLUNGS-GMBHInventor: Peter Doetterl
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Publication number: 20130119728Abstract: Seat-occupancy-detection-sensor-element featuring double-body/compression/spring (DBCS) in a recess of a base-member (BM); and slidable-member (SM) having a force-application-side (FAS) and inside facing the BM; measuring-coil (MC) arranged in the recess and surrounded by the DBCS and having wound-coil-wire (WCW); and current-generating/measuring/evaluating-unit (CGMEU) connected to the WCW; the DBCW abutting the BM on one side and being fixed to the SM on the side of the SM compressed by a force on the FAS, from a spring length either uncompressed or compressed by a predetermined extent; spring wire ends connected and electrically forming a spring-coil (SC); MC and SC coils constituting an inductively-coupled coil assembly (ICCA); and the CGMEU applying AC to the MC inducing AC in the DBCS, measuring voltage on the MC proportional to the ICCA's impedance, and ascertaining force on the SM's FAS.Type: ApplicationFiled: October 24, 2012Publication date: May 16, 2013Applicants: Forschungs-und Transferzentrum Leipzig e.V. an der HTWK Leipzig, SCHERDEL INNOTEC FORSCHUNGS- UND ENTWICKLUNGS-GMBHInventors: SCHERDEL INNOTEC FORSCHUNGS- UND ENT, Forschungs-und Transferzentrum Leipzig e.V. an
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Patent number: 7681685Abstract: A front hood hinge for connecting a front hood to the body of a vehicle, comprising a cuttable device having a cuttable member, a cutting knife and a stop determining the normal closed position of the front hood, and being designed such that, when a threshold value is exceeded, the stop is adapted to be displaced downwardly beyond the normal closed position against a resistance generated by the cuttable device, said resistance being caused by the cuttable member being cut in the course of the displacement of the stop upon movement of the cutting knife in relation to the cuttable member.Type: GrantFiled: February 24, 2006Date of Patent: March 23, 2010Assignee: Scherdel INNOTEC Forschungs-und Entwicklungs-GmbHInventors: Matthias Herzog, Thomas Heinl, Holm Riepenhausen, Claus Christian Stegg, Dirk Tuchbreiter