Abstract:
Die Erfindung betrifft eine Drehschwingungsdämpfungseinrichtung, insbesondere ein geteiltes Schwungrad, mit einer primären Schwungmasse, die drehfest mit der Abtriebswelle einer Antriebseinheit, insbesondere einer Brennkraftmaschine, verbindbar ist, und einer sekundären Schwungmasse, die gegen den Widerstand einer ersten Energiespeichereinrichtung und einer zweiten Energiespeichereinrichtung, die eine als Schnappfeder ausgebildete Tellerfedereinrichtung umfasst, die in Abhängigkeit von der Drehzahl und der Drehrichtung der Schwungmassen eine zu der ersten Energiespeichereinrichtung inverse Wirkung entfaltet, relativ zu der primären Schwungmasse verdrehbar ist. Um im Betrieb der Brennkraftmaschine auftretende Ungleichförmigkeiten schwingungstechnisch zu isolieren, ist an der Tellerfedereinrichtung mindestens ein Kopplungselement angebracht, das in axialer Richtung zwischen zwei Anlageflächen von Reibelementen angeordnet ist, die durch das Kopplungselement in axialer Richtung beaufschlagbar sind.
Abstract:
The invention relates to a combined flywheel damping unit, comprising a device for damping vibrations, said device including a primary part (13) and a secondary part (14) which can rotate in a limited manner relative to one another in peripheral direction. The primary part (13) and the secondary part (14) are coupled to one another by means of resilient coupling (28) and damping coupling (10). The device also comprises a flywheel (8) and is characterized in that the primary part (13) is formed at least partially by a flywheel (8).
Abstract:
The flywheel comprises a support plate (24) and an axially elongated crown secured to the support plate (24). To this effect, plate (24) is provided with a radially projecting flange (62, 63, 64), and the crown has a bearing surface so has to be fitted on the flange. The extremity of the crown (8) is folded back on contact with a crimping shoulder (63) of the flange. Application to motor vehicles.
Abstract:
Le double-volant comporte une seconde masse (2) montée tournante sur une première masse (1) par l'intermédiaire d'un roulement à billes dont l'une des bagues (8,9) est soudée par l'intermédiaire de l'une de ses faces transversales sur une face transversale (16,36) de l'une des masses. Application : Véhicules automobiles.
Abstract:
The rotation of a first flywheel (5) of a two-mass type of flywheel device (1) is transmitted to a second flywheel (14) via springs (12). Frictional connecting portion (11) having a friction plate (21) is provided between the first flywheel (5) and the springs (12). A driven plate (33) integral with the second flywheel (14) is provided between the springs (12) and the second flywheel (14). The friction plate (21) is fitted at one end thereof to a cylindrical portion (16) formed on a diametrically inner side of the first flywheel (5) and is frictionally engaged with the first flywheel (5). The friction plate (21) is engaged at the other end thereof with the springs (12). A spring holding plate (30) is disposed to define an oil chamber (32) together with the first flywheel (5) for containing therein the springs (12), the frictional connecting portion (11), and the driven plate (33). The first flywheel (5) and the spring holding plate (30) are formed by pressing metallic plate members and the first flywheel (5) and the spring holding plate (30) are welded together at their peripheries for hermetically sealing the oil chamber (32).
Abstract:
The flywheel comprises a support plate (24) and an axially elongated crown secured to the support plate (24). To this effect, plate (24) is provided with a radially projecting flange (62, 63, 64), and the crown has a bearing surface so has to be fitted on the flange. The extremity of the crown (8) is folded back on contact with a crimping shoulder (63) of the flange. Application to motor vehicles.
Abstract:
A manufacturing method of a flywheel comprises the following steps: cutting a disk (1) from a sheet metal (W), drawing a central projecting part of the disk, flattening a spherical head (64) of the central projecting part of the disk in such a way to obtain a flat head (74), drilling the flat head (74) of the projecting part of the disk in such a way to obtain a through hole (85), bending the edges of the flat head around the through hole (85) and extruding a cylindrical shank (93) in such a way to obtain a hole (97) with constant diameter, and bending the peripheral edges of the disk in such a way to obtain a bent peripheral edge (94), and cutting slots (118, 119) in a flat portion (91) of the disk between the central projecting portion and the bent peripheral edge (94).