Tuned mass damper for rotating shafts
AssigneeNeapco Europe GmbH
InventorsLuis Hoeks, Marco Schwab, Christian Felchner
Life of this patent
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Abstract
The apparatus relates to a vibration absorber for mounting onto the outer circumference of a rotating shaft or axis having an inner part (3) of substantially resilient material for abutting against the outer circumference of the shaft or axis, and an outer part (2, 2′), which comprises at least two segments (2, 2a, 2b), that grips around the inner part and abuts it vibratingly, and serves as an inertial mass member. The segments (2, 2a, 2b) are configured at their two ends in the circumferential direction with connecting members (5a, 5b, 5a′, 5b′, 6a, 6b, 6a′, 6b′) formed integrally therewith for establishing a mutual latching connection.
Claims12
A vibration absorber (1, 1′) for clamping attachment to the outer circumference of a rotating shaft or axis, comprising:
- an inner part (3) of substantially resilient material for abutting against the outer circumference of the shaft or axis;
- and
- an outer part (2, 2′), which comprises at least two segments (2, 2a, 2b), that grips around the inner part and abuts the inner part vibratingly, and which serves as an inertial mass member;
- wherein the segments (2, 2a, 2b) are configured at their respective two ends in the circumferential direction with connecting members (5a, 5b, 5a′, 5b′, 6a, 6b, 6a′, 6b′) formed integrally therewith for establishing a mutual latching connection;
- wherein the respective connecting members (5a, 5b, 5a′, 5b′, 6a, 6b, 6a′, 6b′) comprise at least two complementarily configured appendages (5a, 5a′, 6a, 6a′) extending in the circumferential direction of the outer circumference, with latching lugs (5b, 5b′, 6b, 6b′) extending in the radial direction that can mutually grip behind one another;
- and
- wherein the inner part (3) is provided at its end faces with one collar-like projection (3a, 3b), respectively, for fixing the segments (2, 2a, 2b) in the longitudinal direction of the shaft or axis.
A vibration absorber (1, 1′) for attaching to an outer circumference of a rotating shaft defining an axis comprising:
- an inner part (3) formed of substantially resilient material for abutting against the outer circumference of the shaft;
- an outer part (2, 2′) having at least two segments (2, 2a, 2b) that surround at least a portion of the inner part, the outer part abutting the inner part during vibration of the shaft and serving as an inertial mass member;
- one or more connecting members (5a, 5b, 5a′, 5b′, 6a, 6b, 6a′, 6b′) formed integrally with ends of the segments (2, 2a, 2b), the connecting members extending circumferentially from at least a portion of the ends of the segments for securing the ends together;
- at least two appendages (5a, 5a′, 6a, 6a′) forming a part of the connecting members and extending circumferentially from remaining parts of the connecting members that correspondingly engage one another;
- at least two latching lugs (5b, 5b′, 6b, 6b′) extending radially from the appendages that correspondingly engage one another;
- and
- at least one collar (3a, 3b) positioned about at least a portion of an end face of the inner part (3) for preventing movement of the segments (2, 2a, 2b) in the longitudinal direction of the shaft.
Dependencies are inferred from the claim text.