Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F16
ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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F16F
SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
Load children
15/00
Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
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F16F15/10
Suppression of vibrations in rotating systems by making use of members moving with the system
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F16F15/12
using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
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F16F15/131
the rotating system comprising two or more gyratory masses
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F16F15/133
using springs as elastic members, e.g. metallic springs
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F16F15/13469
Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations
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F16F15/13469

VIBRATION DAMPING DEVICE
20170023070 · 2017-01-26 ·

A vibration damping device (330) for a motor vehicle, having: a first element (13, 14) and a second element (15, 16) that are rotationally movable around an axis X and capable of transmitting a torque; at least one group of elastic members (25, 26) mounted between the first element and the second element and acting against rotation of the first element and second element with respect to one another; a phasing member (32, 33), rotationally movable around the axis X and constituted by a first portion (32) and a second portion (33), for arranging the elastic members of that group in series so that the elastic members of each group deform in phase with one another.

Power transmission device
12313128 · 2025-05-27 · ·

A power transmission device includes an inertia ring, a plate, a plurality of first bolts, a torque transmission member, and a plurality of second bolts. The inertia ring has an annular shape. The inertia ring includes a plurality of through holes. The plurality of through holes are disposed at intervals in a circumferential direction. The plate is disposed on a first side with respect to the inertia ring in an axial direction. The plurality of first bolts are screwed into the plurality of through holes from the first side to fasten the plate to the inertia ring. The torque transmission member is disposed on a second side with respect to the inertia ring in the axial direction. The plurality of second bolts are screwed into the plurality of through holes from the second side to fasten the torque transmission member to the inertia ring.

VIBRATION DAMPING DEVICE
20260036175 · 2026-02-05 · ·

A vibration damping device for an automotive vehicle includes a torque transmission plate, two rotatably connected guide elements that are coaxial along an axis of rotation and positioned on either side of the torque transmission plate, and helical compression springs bearing on the torque transmission plate and the guide elements by means of seats positioned on the ends of the springs. Each seat includes a frontal face suitable for interacting with the end of the springs, comprising a centring flange, the centring axis of which is coincident with the axis of the springs. A dorsal face defines a geometric plane backing onto the frontal part, and an indentation extending inwards from the dorsal face.