Multi-stage damping assembly
AssigneeBeijingwest Industries Co., Ltd.
InventorEric Louis Schumann
Life of this patent
Estimating the term…
Abstract
An assembly for multi-stage damping comprising a damping unit 20 including a decoupler 36 defining an annular zone 70 surrounding a circular zone 68. The annular zone 70 extends inwardly from an outer ring 38 to define a ring shape for flexing with the circular zone 68 in a first mode 72 to maximize the potential volume of displacement between a first chamber 30 and a second chamber 32. Additionally, the assembly provides for flexing the annular zone 70 independently of the circular zone 68 in a second mode 74 to decrease the potential volume of displacement of the decoupler 36 between the first chamber 30 and the second chamber 32. The decoupler 36 includes a plurality of rings 38, 46, 54 extending axially from a first surface 40 and a second surface 42 for defining an axial travel limit for the annular zone 70.
Claims20
An assembly for multi-stage damping comprising;
- a damping unit (20) including a wall (22) defining an inner surface and an outer surface extending about an axis (A) between a base portion (24) and a top portion (26);
- a partition (28) spaced between said base portion (24) and said top portion (26) and extending from said inner surface of said wall (22) defining a first chamber (30) between said partition (28) and said top portion (26) and a second chamber (32) between said partition (28) and said base portion (24), said partition (28) having an internal holding wall (34) defining a holding chamber (35);
- a decoupler (36) is disposed within said holding chamber (35) and has a radius extending between a center point (C) and an outer ring (38), said outer ring (38) engaging said internal holding wall (34), said decoupler (36) having a first surface (40) opposite a second surface (42) for preventing fluid transfer between said chambers (30, 32);
- said decoupler (36) defining a circular zone (68) extending about said center point (C) for flexing between said chambers (30, 32);
- and
- said decoupler (36) defining an annular zone (70) surrounding said circular zone (68) extending inwardly from said outer ring (38) to define a ring shape whereby said annular zone (70) flexes between a first mode and a second mode with said first mode being defined as said annular zone (70) flexing with said circular zone (68) to maximize the potential volume of displacement and said second mode being defined as said annular zone (70) flexing independently of said circular zone (68) to decrease the potential volume of displacement of said decoupler (36) between said first chamber (30) and said second chamber (32).
An assembly for multi-stage damping comprising;
- a decoupler (36) having a radius extending between a center point (C) and an outer ring (38) and having a first surface (40) opposite a second surface (42),
- a central elastomer membrane (62) extending about said center point (C),
- said decoupler (36) defining a circular zone (68) extending about said center point (C) and an annular zone (70) including a plurality of rings (38, 46, 54) extending axially from said first surface (40) and extending axially from said second surface (42) and extending annularly about said central elastomer membrane (62) and separated by grooves (50, 52, 56, 58) in said first surface (40) and said second surface (42) between said outer ring (38) and said central elastomer membrane (62), and
- wherein said annular zone (70) flexes between a first mode and a second mode with said first mode being defined as said annular zone (70) flexing with said circular zone (68) to maximize the potential volume of displacement and said second mode being defined as said annular zone (70) flexing independently of said circular zone (68) to decrease the potential volume of displacement of said decoupler (36) between said first chamber (30) and said second chamber (32).
Dependencies are inferred from the claim text.