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1. WO2020089027 - TORSIONAL VIBRATION DAMPING ASSEMBLY

Publication Number WO/2020/089027
Publication Date 07.05.2020
International Application No. PCT/EP2019/078994
International Filing Date 24.10.2019
IPC
F16F 15/123 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
15Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
10Suppression of vibrations in rotating systems by making use of members moving with the system
12using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
121using springs as elastic members, e.g. metallic springs
123Wound springs
CPC
F16F 15/123
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
15Suppression of vibrations in systems
10Suppression of vibrations in rotating systems by making use of members moving with the system
12using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
121using springs as elastic members, e.g. metallic springs
123Wound springs
F16F 2230/30
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
2230Purpose; Design features
30Sealing arrangements
Applicants
  • ZF FRIEDRICHSHAFEN AG [DE]/[DE]
Inventors
  • SUDAU, Jörg
  • WETH, Jürgen
Priority Data
10 2018 218 631.631.10.2018DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) DREHSCHWINGUNGSDÄMPFUNGSANORDNUNG
(EN) TORSIONAL VIBRATION DAMPING ASSEMBLY
(FR) SYSTÈME D'AMORTISSEMENT DE VIBRATIONS DE TORSION
Abstract
(DE)
Drehschwingungsdämpfungsanordnung (1) für einen Antriebsstrang eines Kraftfahr- zeuges, umfassend ein um eine Drehachse (A) drehbares Primärelement (5) und ein, gegen einen Energiespeicher (4) relativ zu dem Primärelement (5) verdrehbares Se- kundärelement (8), wobei das Primärelement (5) mit einem Abdeckelement (6) drehfest verbunden ist und gegenüber einem Umgebungsbereich (25) zusammen einen axial und radial nach außen begrenzenden Aufnahmeraum (15) für zumindest den Energie- speicher (4) bilden, wobei das Sekundärelement (8) radial innen einen sich axial erstre- ckenden Verbindungsbereich (24) vorsieht und wobei der Verbindungsbereich (24) in beiden axialen Richtungen offen ist, wobei der Verbindungsbereich (24) des Sekundä- relements (8) in einer axialen Richtung mittels einer Dichtscheibe (28) flüssigkeitsdicht verschlossen ist.
(EN)
Torsional vibration damping assembly (1) for a drive train of a motor vehicle, comprising a primary element (5) which can be rotated about a rotational axis (A) and a secondary element (8) which can be twisted relative to the primary element (5) counter to an energy store (4), wherein the primary element (5) is connected fixedly to a covering element (6) so as to rotate with it, and they together form a receiving chamber (15) for at least the energy store (4), which receiving chamber (15) is delimited axially and radially to the outside with respect to a surrounding region (25), wherein the secondary element (8) provides, radially on the inside, an axially extending connecting region (24), and wherein the connecting region (24) is open in the two axial directions, wherein the connecting region (24) of the secondary element (8) is closed in a liquid-tight manner in an axial direction by means of a sealing washer (28).
(FR)
L'invention concerne un système d'amortissement de vibrations de torsion (1) pour une chaîne cinématique d'un véhicule automobile. Le système comprend un élément primaire (5) pouvant tourner autour d'un axe de rotation (A) et un élément secondaire (8) pouvant effectuer un mouvement de torsion relativement à l'élément primaire (5) par rapport à un accumulateur d'énergie (4), l'élément primaire (5) étant relié de manière solidaire en rotation à un élément de recouvrement (6) et formant conjointement avec celui-ci, par rapport à une zone environnante (25), un espace de réception (15) à délimitation axiale et radiale vis-à-vis de l'extérieur pour au moins l'accumulateur d'énergie (4), l'élément secondaire (8) présentant radialement à l'intérieur une zone de liaison (24) s'étendant axialement et la zone de liaison (24) étant ouverte dans les deux directions axiales, la zone de liaison (24) de l'élément secondaire (8) étant fermée de manière étanche au liquide dans une direction axiale au moyen d'une rondelle d'étanchéité (28).
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