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US 2025/0354527 A1Published application
Engine device
AssigneeYanmar Holdings Co., Ltd.
InventorsKazuya MATSUKI, Kazuyuki KODA, Toru TAKEMOTO, Yusuke HONDA
Life of this patent
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Abstract
An engine device that is driven by hydrogen-mixed fuel gas includes: an engine; and a control unit that controls, based on an excess air ratio of an air-fuel mixture of air and the fuel gas supplied to the engine, and an exhaust temperature of exhaust gas from the engine, the excess air ratio and/or an ignition parameter of the engine in such a manner that nitrogen oxides in the exhaust gas are reduced.
Claims11
An engine device that is driven by hydrogen-mixed fuel gas, the engine device comprising:
- an engine;
- and
- a control unit that controls, based on an excess air ratio of an air-fuel mixture of air and the hydrogen-mixed fuel gas supplied to the engine, and an exhaust temperature of exhaust gas from the engine, the excess air ratio and/or an ignition parameter of the engine.
Dependencies are inferred from the claim text.