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US 2025/0043709 A1Published application
Aftertreatment heat up strategies in vehicles with hybrid powertrains
AssigneeEaton Intelligent Power Limited
InventorsJames E. MCCARTHY, Jr., Mihai DOROBANTU
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Abstract
A vehicle hybrid powertrain includes an internal combustion engine: an electrical drivetrain: a selective catalytic reduction (SCR) device coupled to receive exhaust from the internal combustion engine: a fuel burner; and a control system that controls heat applied to the SCR device including by controlling the fuel burner and the internal combustion engine.
Claims26
A vehicle hybrid powertrain, comprising:
- an internal combustion engine;
- an electrical drivetrain;
- a selective catalytic reduction (SCR) device, coupled to receive exhaust from the internal combustion engine;
- a fuel burner;
- and
- a control system that controls heat applied to the SCR device, including by controlling the fuel burner and the internal combustion engine.
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Dependencies are inferred from the claim text.