Exhaust treatment unit
AssigneeKomatsu Ltd.
InventorsManabu Himoto, Osamu Nishimura
Life of this patent
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Abstract
An exhaust treatment unit treats an exhaust gas from an engine of a work vehicle. The exhaust treatment unit includes a first exhaust treatment device, a second exhaust treatment device, and a bracket. The first exhaust treatment device and the second exhaust treatment device are attached to the bracket. The bracket includes an edge part having an attachment portion configured to be attached to a vehicle body frame of the work vehicle, and a main body part having a convex shape downwardly bulged from the edge part. A bottom part of the second exhaust treatment device is positioned below the attachment portion. A work vehicle preferably includes the exhaust treatment unit, the engine and the vehicle body frame.
Claims25
An exhaust treatment unit for treating a work vehicle engine exhaust gas, the exhaust treatment unit comprising:
- a main bracket;
- a sub-bracket attached to the main bracket;
- a first exhaust treatment device fixed to the main bracket;
- a second exhaust treatment device fixed to the main bracket;
- and
- the main bracket including
- an edge part having an attachment portion configured to be attached to a work vehicle body frame part;
- and
- a main body part having a convex shape downwardly bulged from the edge part, the main body part including a second support portion configured to support the second exhaust treatment device;
- the sub-bracket including
- a bottom part contacting a part of the main body part;
- and
- a first support portion supporting the first exhaust treatment device, the first support portion being positioned above the bottom portion,
- a bottom part of the second exhaust treatment device being positioned below the attachment portion.
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Dependencies are inferred from the claim text.