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1. (WO2017093153) ENERGY ABSORPTION DEVICE AND METHOD
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/093153 International Application No.: PCT/EP2016/078928
Publication Date: 08.06.2017 International Filing Date: 28.11.2016
IPC:
B61G 11/16 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
61
RAILWAYS
G
COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; DRAUGHT OR BUFFING APPLIANCES SPECIALLY ADAPTED FOR RAILWAY VEHICLES
11
Buffers
16
absorbing shocks by permanent deformation of buffer element
Applicants:
DELLNER DAMPERS AB [SE/SE]; Box 51 642 22 Flen, SE
Inventors:
LIZELL, Magnus; SE
ENGELBERT, Trygve; SE
Agent:
BRANN AB; Box 3690 103 59 Stockholm, SE
Priority Data:
15197089.430.11.2015EP
Title (EN) ENERGY ABSORPTION DEVICE AND METHOD
(FR) PROCÉDÉ ET DISPOSITIF D'ABSORPTION D'ÉNERGIE
Abstract:
(EN) An energy absorption device (3) and method is disclosed for absorption of energy that is released upon impact between two objects in relative motion, wherein an exceptional load applied to any of the two objects results in acceleration of said object relative to the other object, and wherein for retardation of said acceleration energy is absorbed in the process of deformation of an element or elements which are put under stress from the objects upon impact. The process of deformation comprises a controlled diameter reduction during a forced elongation of a semi-solid or solid deformation bolt(4)made of cold-forming material in the direction of force (FX) generated in said acceleration.
(FR) L'invention concerne un procédé et un dispositif d'absorption d'énergie (3) pour l'absorption d'énergie qui est libérée lors d'un impact entre deux objets en mouvement relatif, une charge exceptionnelle appliquée sur l'un quelconque des deux objets entraînant l'accélération dudit objet par rapport à l'autre objet et, lors d'un retard de ladite accélération, l'énergie étant absorbée dans le processus de déformation d'un ou plusieurs éléments qui sont mis sous contraintes à partir des objets lors de l'impact. Le processus de déformation comprend une réduction de diamètre contrôlée pendant un allongement forcé d'un boulon de déformation semi-solide ou solide (4) constitué de matériau de formage à froid dans la direction de force (FX) générée dans ladite accélération.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
IN201817020820CN108778887US20180346001