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公开(公告)号：US11199234B2
公开(公告)日：2021-12-14
申请号：US16489558
申请日：2018-02-28
Inventor： Achim Grassold , Patrick Foucart
Abstract: 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.
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公开(公告)号：US10760635B2
公开(公告)日：2020-09-01
申请号：US16304756
申请日：2017-05-26
Inventor： Thomas Rausch , Georg Hannig , Christoph Angermann
IPC: F01L1/34 , F16F3/06 , F01L1/344 , F16F1/02 , F16F1/04 , F16H7/12 , F01L1/02 , F01L1/46 , F01L1/00 , F16H7/08
Abstract: 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.
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公开(公告)号：US20190277363A1
公开(公告)日：2019-09-12
申请号：US16304756
申请日：2017-05-26
Inventor： Thomas Rausch , Georg Hannig , Christoph Angermann
Abstract: 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.
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4.发明授权公开(公告)号：US08698643B2
公开(公告)日：2014-04-15
申请号：US13659560
申请日：2012-10-24
Applicant: SCHERDEL INNOTEC Forschungs- und Entwicklungs-GmbH , Forschungs- und Transferzentrum Leipzig e.V. an der HTWK Leipzig
Inventor： Marco Schmitt , Jan Seitenglanz , Thomas Fiedler , Gisela Barthold , Hans-Martin Rambold , Fabian Wiessner , Michael Eiserbeck
CPC classification number: B60N2/54 , B60N2/002 , B60N2/7094 , G01G19/08 , G01G19/4142
Abstract: 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.
Abstract translation: 在基座（BM）的凹部中具有双体/压缩/弹簧（DBCS）的座椅占用检测传感器元件; 和具有施力侧（FAS）并且面向BM的内侧的滑动构件（SM）; 测量线圈（MC），布置在凹槽中并被DBCS包围并具有绕线线圈（WCW）; 和连接到WCW的电流产生/测量/评估单元（CGMEU）; DBCW在一侧抵靠BM并且通过FAS上的力从被压缩或压缩预定范围的弹簧长度固定到在SM上压缩的SM侧上的SM; 弹簧线端部连接并电气形成弹簧线圈（SC）; 构成电感耦合线圈组件（ICCA）的MC和SC线圈; 并且CGMEU将AC应用于DBCS中的MC感应AC，测量MC上的电压与ICCA的阻抗成比例，并确定SM的FAS上的力。
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公开(公告)号：US20250052103A1
公开(公告)日：2025-02-13
申请号：US18231874
申请日：2023-08-09
Inventor： Thomas HEINL , David FARRELL
Abstract: A wire rope system for supporting an opening movement and a closing movement of a tailgate of a vehicle or a trailer, the wire rope system comprises: a guide cylinder configured to be arranged within a side board wall or within a tailgate of a vehicle or a trailer, and comprising a front end portion with an opening and a back end portion; a compression spring arranged within the guide cylinder, and having a front end and a back end; and a plunger element configured to be movable axially within the guide cylinder; the compression spring being attached with its front end to the front end portion of the guide cylinder and being attached with its back end to the plunger element; a wire rope extending through the opening in the front end portion of the guide cylinder, and comprising a back end attached to the plunger element and a front end to be attached to a tailgate or a side board wall of a vehicle or a trailer; wherein the plunger element comprises a slide membrane element configured such that its circumferential edge abuts to the inner wall of the guide cylinder, thus separating the inner space of the guide cylinder into a back air chamber between the rear side of the slide membrane element and the back end portion of the guide cylinder, and into a front air chamber between the front side of the slide membrane element and the front end portion of the guide cylinder; wherein an air flow regulating opening is arranged within the back air chamber and connects the back air chamber to the exterior side of the guide cylinder; and wherein the slide membrane element is configured such that during movement towards the front end portion of the guide cylinder air flow from the front air chamber between its circumferential edge and the inner wall of the guide cylinder to the back air chamber is blocked or reduced, thus exerting a damping function to the movement of the wire rope and reducing the opening speed of the tailgate.
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Patent Agency Ranking
公开(公告)号：US11415192B2
公开(公告)日：2022-08-16
申请号：US16701980
申请日：2019-12-03
Inventor： Peter Doetterl , Franz Andritzky , Alexander Schraml
IPC: F16F3/04 , B21D22/02 , F16D127/02
Abstract: 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. Furthermore, the invention also relates to a method for producing a supporting ring (4, 6) for a spring package (2) according to the invention, comprising the following steps: stamping a sheet-metal strip (22) of predetermined length (l) and predetermined width (b), introducing spring holders (10; 68), introducing impressions on a longitudinal edge (26) of the sheet-metal strip (22) while forming a ring shape; and connecting the two axial ends.
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公开(公告)号：US11143301B2
公开(公告)日：2021-10-12
申请号：US16607547
申请日：2018-04-24
Inventor： Peter Mielke , Manuel Heindl , Maik Zimmermann
IPC: F16J9/06
Abstract: 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. Each of the upper and lower regions (5, 7) comprises: a nose section (13) disposed at the inner circumferential end and adapted to push the respectively abutting upper or lower metal ring (21, 22) radially outwardly, and having a through-opening (15); an abutment section (17) extending radially between the nose section (13) and the outer circumferential end and configured to have the respective upper metal ring (21) abutting thereon or the respective lower metal ring (22) abutting thereon; wherein the abutment section (17) has a recess (19) formed therein the depth of which, relative to the abutting area of the abutment section (17), increases in the radial direction towards the through-opening (15), and the width of which increases in the radial direction towards the through-opening (15); wherein the recess (19) in the abutment section (17) has substantially the shape of a half-funnel; wherein the half-funnel has an opening angle of 30° to 150°, in particular of 30° to 60°, or wherein the upper side edges of the recess (19) span an angular segment of 5-50°, in particular 5-15°; and wherein increasing the depth and width of the recess (19) radially inwardly together with the through-opening (15) serves to increase and accelerate the oil flow to the piston center.
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公开(公告)号：US20190383343A1
公开(公告)日：2019-12-19
申请号：US16489558
申请日：2018-02-28
Inventor： Achim Grassold , Patrick Foucart
Abstract: 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.
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公开(公告)号：US20250027583A1
公开(公告)日：2025-01-23
申请号：US18709116
申请日：2022-11-11
Inventor： Egbert VOGEL
Abstract: A thin-walled pipe according to the invention comprises the following features: a thin metallic flat material (22) rolled or bent into a pipe and having a wall thickness of 0.05-1.00 mm, the longitudinal edges (24, 26) of which are connected to each other by connecting elements engaging in one another in form-fitting manner along a connecting portion (6) extending in the pipe longitudinal direction (8); wherein the connecting elements are protrusions (28) on the first longitudinal edge (24) of the flat material (22) and corresponding recesses (12) on the second longitudinal edge (26) of the flat material (22); wherein at least one protrusion (10) engages in a corresponding recess (12) such that the flanks of the protrusion (10) abut, at least partially, in the longitudinal direction of the pipe against the respective adjacent flanks of the corresponding recess (12); wherein at least one pair (32, 34) made up of a protrusion flank and of an abutting recess flank, as seen in an axial sectional plane (A-A) extending along the connecting portion (6), in each case has an inclined course from the pipe outer wall to the pipe inner wall; and wherein at least one pair (32, 34) of a protrusion flank and of an abutting recess flank, as seen in an axial sectional plane (A-A) extending along the connecting portion (6), in each case encloses an angle of 15-75°, in particular 30-60°, with the pipe radial plane.
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公开(公告)号：US20200072352A1
公开(公告)日：2020-03-05
申请号：US16607547
申请日：2018-04-24
Inventor： Peter MIELKE , Manuel HEINDL , Maik ZIMMERMANN
IPC: F16J9/06
Abstract: 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. Each of the upper and lower regions (5, 7) comprises: a nose section (13) disposed at the inner circumferential end and adapted to push the respectively abutting upper or lower metal ring (21, 22) radially outwardly, and having a through-opening (15); an abutment section (17) extending radially between the nose section (13) and the outer circumferential end and configured to have the respective upper metal ring (21) abutting thereon or the respective lower metal ring (22) abutting thereon; wherein the abutment section (17) has a recess (19) formed therein the depth of which, relative to the abutting area of the abutment section (17), increases in the radial direction towards the through-opening (15), and the width of which increases in the radial direction towards the through-opening (15); wherein the recess (19) in the abutment section (17) has substantially the shape of a half-funnel; wherein the half-funnel has an opening angle of 30° to 150°, in particular of 30° to 60°, or wherein the upper side edges of the recess (19) span an angular segment of 5-50°, in particular 5-15°; and wherein increasing the depth and width of the recess (19) radially inwardly together with the through-opening (15) serves to increase and accelerate the oil flow to the piston center.
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