DUAL-MASS FLYWHEEL

WIPO Patent Application WO/2023/184514

A1

A dual-mass flywheel, comprising: a first flywheel mass (10), comprising a first housing (11) and a cover plate (12) connected to each other; a second flywheel mass (20), wherein an accommodation space (30) is formed between the second flywheel mass and the first flywheel mass, and the second flywheel mass comprises a hub flange (21); a damping mechanism (40) located in the accommodation space, wherein the damping mechanism comprises a centrifugal-force pendulum unit (41) and a flange (42), the centrifugal-force pendulum unit is mounted on the flange, and the flange is fixedly mounted on one side of the hub flange; and a waterproof mechanism (50), comprising a diaphragm spring (51) and a first support plate (52) extending in a radial direction (Y), wherein the first support plate is fixed to the other side of the hub flange that is away from the first housing in an axial direction (X), and the diaphragm spring is arranged between the first support plate and the cover plate in the axial direction (X) in a compressed state, so as to seal the accommodation space.

WO/2010/092244	DUAL MASS FLYWHEEL WITH A TILT LIMITER
WO/2014/060192	TORSIONAL VIBRATION DAMPING ARRANGEMENT FOR THE POWERTRAIN OF A VEHICLE
JP3789494	DAMPER DEVICE

ZHEN ZHEN (CN)
YOONG HOW YAN (DE)
LIANG XIAOLI (CN)

PCT/CN2022/084930

October 05, 2023

April 01, 2022

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SCHAEFFLER TECHNOLOGIES AG (DE)

F16F15/131

CN210371835U	2020-04-21
CN113898699A	2022-01-07
CN113557373A	2021-10-26
CN114076176A	2022-02-22
DE102018128216A1	2020-05-14
DE102018103536A1	2019-08-22
DE102018126340A1	2020-04-23

BEIJING EAST IP LTD. (CN)

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