US 2018/0320755 A1 · DAMPER DEVICE

Abstract

A damper device that includes an input to which torque from an engine is transmitted; an output; a first intermediate element; a second intermediate element; a first elastic body disposed between the input and the first intermediate element; a second elastic body disposed between the first intermediate element and the output; a third elastic body disposed between the input and the second intermediate element; a fourth elastic body disposed between the second intermediate element and the output; and a fifth elastic body disposed between the first intermediate element and the second intermediate element, wherein at least one of the first to fifth elastic bodies has negative rigidity.

Claims20

Dependent claims

A damper device comprising:

an input to which torque from an engine is transmitted;
an output;
a first intermediate element;
a second intermediate element;
a first elastic body disposed between the input and the first intermediate element;
a second elastic body disposed between the first intermediate element and the output;
a third elastic body disposed between the input and the second intermediate element;
a fourth elastic body disposed between the second intermediate element and the output;
and
a fifth elastic body disposed between the first intermediate element and the second intermediate element, wherein
at least one of the first to fifth elastic bodies has negative rigidity.

8 more elements

Dependencies are inferred from the claim text.

Facts

Application

15/774,127Filed 12 Dec 2016

Priority

JP 2015-24127710 Dec 2015

Published

8 Nov 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification8 codes

F16F 15/13484
Resulting in a staged spring characteristic, e.g. with multiple intermediate plates: acting on multiple sets of springs
F16F 15/12366
Resulting in a staged spring characteristic, e.g. with multiple intermediate plates: acting on multiple sets of springs
F16H 45/02
Combinations of fluid gearings for conveying rotary motion with couplings or clutches: with mechanical clutches for bridging a fluid gearing of…
F16F 2228/063
Stiffness: negative stiffness

Damper device

Life of this patent

Damper device

Life of this patent

Abstract

Claims20