Back to results
US 12,467,512 B2Granted
Bearing bush for vibration isolation between two vehicle components of a motor vehicle
AssigneesHyundai Motor Company, Kia Corporation
InventorsAmeya Karmarkar, Christian Ludwig
Life of this patent
Estimating the term…
Abstract
A bush may include an inner tube, an outer tube, and an intermediate tube portion made from a compliant material and arranged radially between the inner tube and the outer tube. A radially outer surface of the inner tube and a radially inner surface of the outer tube may each have at least one protruding rib running in a circumferential direction of the bush. The intermediate tube portion may be shaped complementary to the outer surface of the inner tube and the inner surface of the outer tube, so as to fill a space therebetween. The protruding ribs may be configured to cause externally applied radial or axial forces to propagate as substantially normal stress in the intermediate tube portion.
Claims20
An apparatus, comprising:
- an inner tube;
- an outer tube radially outside of the inner tube;
- and
- an intermediate tube portion,
- wherein the inner tube and the outer tube are substantially annular and form a space therebetween;
- wherein the intermediate tube portion comprises a rubber material and is disposed radially between the inner tube and the outer tube so as to substantially fill at least one circumferential section of the space;
- wherein a radially outer surface of the inner tube corresponding to the at least one circumferential section comprises at least one first protruding rib that runs in a circumferential direction and a radially inner surface of the outer tube corresponding to the at least one circumferential section comprises at least one second protruding rib that runs in the circumferential direction;
- wherein the at least one first protruding rib and the at least one second protruding rib are configured to form at least one interface with the intermediate tube portion;
- wherein the at least one interface is configured to cause substantially normal strain in an axial direction in response to application of an axial force and substantially normal strain in a radial direction in response to application of a radial force;
- and
- wherein the at least one first protruding rib and the at least one second protruding rib are interspersed by axial injection channels along the circumferential direction, wherein the axial injection channels are configured for axial injection of the rubber material during manufacturing of the intermediate tube portion.
8 more elements
A vehicle comprising:
- a bearing bush;
- at least one wheel;
- and
- at least one wheel carrier;
- wherein the bearing bush comprises:
- an inner tube;
- an outer tube radially outside of the inner tube;
- and
- an intermediate tube portion,
- wherein the inner tube and the outer tube are substantially annular and form a space therebetween;
- wherein the intermediate tube portion comprises a rubber material and is disposed radially between the inner tube and the outer tube so as to substantially fill at least one circumferential section of the space;
- wherein a radially outer surface of the inner tube corresponding to the at least one circumferential section comprises at least one first protruding rib that runs in a circumferential direction and a radially inner surface of the outer tube corresponding to the at least one circumferential section comprises at least one second protruding rib that runs in the circumferential direction;
- wherein the at least one first protruding rib and the at least one second protruding rib are configured to form at least one interface with the intermediate tube portion;
- wherein the at least one interface is configured to cause substantially normal strain in an axial direction in response to application of an axial force and substantially normal strain in a radial direction in response to application of a radial force;
- and
- wherein the at least one first protruding rib and the at least one second protruding rib are interspersed by axial injection channels along the circumferential direction, wherein the axial injection channels are configured for axial injection of the rubber material during manufacturing of the intermediate tube portion.
13 more elements
An apparatus, comprising:
- an inner tube;
- an outer tube;
- and
- an intermediate tube portion,
- wherein the intermediate tube portion comprises a rubber material and is disposed radially between the inner tube and the outer tube so as to substantially fill at least one circumferential section of a space between the inner tube and the outer tube;
- wherein a radially outer surface of the inner tube corresponding to the at least one circumferential section comprises at least one first protruding rib;
- wherein a radially inner surface of the outer tube corresponding to the at least one circumferential section comprises at least one second protruding rib;
- wherein the at least one first protruding rib and the at least one second protruding rib are configured to form at least one interface with the intermediate tube portion;
- and
- wherein the at least one first protruding rib and the at least one second protruding rib are interspersed by axial injection channels along a circumferential direction of the apparatus, wherein the axial injection channels are configured for axial injection of the rubber material during manufacturing of the intermediate tube portion.
7 more elements
Dependencies are inferred from the claim text.