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US 12,454,903 B2Granted
Aftertreatment device and engine
AssigneeYanmar Holdings Co., Ltd.
InventorShinsuke Kasazaki
Life of this patent
Estimating the term…
Abstract
Provided are an aftertreatment device capable of purifying exhaust gas with a compact configuration and an engine including the aftertreatment device. An aftertreatment device includes: a first case that is a DPF case; a second case that is an SCR case; an exhaust connection pipe that connects the first case and the second case; a mixer arranged at an upstream end of the exhaust connection pipe in a flow direction of exhaust gas; and a urea water injection portion that injects urea water into the mixer.
Claims18
An aftertreatment device comprising:
- a first case having an inlet pipe and a bottom surface portion, the inlet pipe being positioned on a rear end side of the bottom surface portion of the first case;
- a second case having an exhaust outlet pipe and a bottom surface portion, the exhaust outlet pipe being positioned on a rear end side of the bottom surface portion of the second case,
- wherein the first case is connected to the second case at a front end side of the first case, the front end side of the first case being an opposite side from the rear end side of the first case.
The aftertreatment device comprising:
- a first case having an inlet pipe and a bottom surface portion, the inlet pipe being positioned on a rear end side of the bottom surface portion of the first case;
- a second case having an exhaust outlet pipe and a bottom surface portion, the exhaust outlet pipe being positioned on a rear end side of the bottom surface portion of the second case,
- wherein the first case is a DPF case, and the second case is an SCR case.
Dependencies are inferred from the claim text.