An idler wheel assembly for a mobile machine is disclosed. The idler wheel assembly may have an idler body defining a cavity between a hub portion and a rim portion. The idler wheel assembly may also have a sound suppression device. The sound suppression device may have a first side plate attached t
An idler wheel assembly for a mobile machine is disclosed. The idler wheel assembly may have an idler body defining a cavity between a hub portion and a rim portion. The idler wheel assembly may also have a sound suppression device. The sound suppression device may have a first side plate attached to the idler body and enclosing at least a portion of the cavity to form a closed space, and a second side plate attached to the idler body. The sound suppression device may further have a dampening member disposed between the first side plate and the second side plate, and dampening material positioned inside the closed space and in contact with a surface of an inner portion of the rim portion.
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1. An idler wheel assembly for a mobile machine, comprising: an idler body defining a cavity between a hub portion and a rim portion; anda sound suppression device, including: a first side plate attached to the idler body and enclosing at least a portion of the cavity to form a closed space;a second
1. An idler wheel assembly for a mobile machine, comprising: an idler body defining a cavity between a hub portion and a rim portion; anda sound suppression device, including: a first side plate attached to the idler body and enclosing at least a portion of the cavity to form a closed space;a second side plate attached to the idler body;a dampening member disposed between the first side plate and the second side plate; anddampening material positioned inside the closed space and in contact with a surface of an inner portion of the rim portion. 2. The idler wheel assembly of claim 1, wherein the dampening material is a flowable material configured to be provided into the closed space while the first side plate is attached to the idler body. 3. The idler wheel assembly of claim 2, wherein the dampening material is one or more of sand, shot, tar, or high viscosity damping fluid. 4. The idler wheel assembly of claim 1, wherein the first side plate includes a fill hole configured to receive the dampening material therethrough. 5. The idler wheel assembly of claim 4, further including a plug closing the fill hole. 6. The idler wheel assembly of claim 5, wherein the dampening member includes a depression configured to receive at least a portion of the plug. 7. The idler wheel assembly of claim 5, wherein the dampening member and the second side plate each include fill holes aligned with the fill hole of the first side plate. 8. The idler wheel assembly of claim 4, wherein the first side plate further includes an additional hole configured to vent air while the dampening material is provided into the closed space. 9. The idler wheel assembly of claim 1, wherein first side plate and the second side plate are welded to the idler body. 10. The idler wheel assembly of claim 1, further including a pair of grooves formed in the idler body, the pair of grooves configured to receive at least the second side plate and a snap ring configured to frictionally hold the first side plate, dampening member, and second side plate in position. 11. The idler wheel assembly of claim 1, further including a pair of support flanges formed on the idler body, the first side plate supported on the pair of support flanges. 12. The idler wheel assembly of claim 1, wherein at least the first side plate is Z-shaped such that a larger portion of the closed space is near the rim portion. 13. The idler wheel assembly of claim 1, wherein at least the first side plate is cone-shaped such that a larger portion of the closed space is near the rim portion. 14. A method of installing a sound suppression device on an idler wheel, the idler wheel including an idler body defining a cavity between a hub portion and a rim portion, the method comprising: providing a dampening material to fill at least a portion of the cavity;attaching a first side plate to the idler body to enclose at least a portion of the cavity to form a closed space;positioning a dampening member on a side of the first side plate opposite from the closed space; andattaching a second side plate to the idler body such that the dampening member is disposed between the first side plate and the second side plate. 15. The method of claim 14, wherein attaching the first side plate and attaching the second side plate includes welding the first and second side plates to the idler body. 16. The method of claim 14, wherein: the first side plate is attached to the idler body before the dampening material is provided into the cavity,the first side plate includes a fill hole, andthe dampening material is provided into the closed space of the cavity through the fill hole. 17. The method of claim 16, farther including inserting a plug into the fill hole to close the fill hole. 18. The method of claim 14, wherein the dampening material is provided into the cavity before the first side plate is attached to the idler body. 19. The method of claim 14, wherein the dampening member and the second side plate each include fill holes that are aligned with the fill hole of the first side plate, and the dampening material is provided into the closed space through the aligned fill holes. 20. An idler wheel assembly for a mobile machine, comprising: an idler body defining a cavity between a hub portion and a rim portion; anda sound suppression device, including: a first side plate welded to the idler body and enclosing at least a portion of the cavity to form a closed space, the first side plate including a fill hole;a second side plate welded to the idler body;a dampening member disposed between the first side plate and the second side plate; anddampening material positioned inside the closed space and in contact with a surface of an inner portion of the rim portion,wherein the dampening material is a flowable material configured to be provided through the fill hole into the closed space while the first side plate is attached to the idler body.
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이 특허에 인용된 특허 (12)
Yelistratov, Alexei P., Compound rim assembly for idler in an undercarriage system of a track-type machine.
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