Hydrogen-diesel direct injection dual-fuel system for internal combustion engines
AssigneeNewSouth Innovations Pty Limited
InventorsSanghoon Kook, Bryce Edmonds, Xinyu Liu
Life of this patent
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Abstract
A hydrogen-diesel direct injection dual-fuel system for an internal combustion engine enables retrofitting to existing diesel engines. The system comprises: a cylinder head of the engine having a first and a second injector hole; a diesel pilot injector positioned in the first injector hole; and a hydrogen injector positioned in the second injector hole; wherein the hydrogen injector comprises: a gasoline direct injector having an external shank and a distal output end; and a nozzle cap covering the distal output end, wherein the nozzle cap is welded to the external shank.
Claims15
A hydrogen-diesel direct injection dual-fuel system for an internal combustion engine, the system comprising:
- a cylinder head of the engine having a first and a second injector hole;
- a diesel pilot injector positioned in the first injector hole;
- and
- a hydrogen injector positioned in the second injector hole;
- wherein the hydrogen injector comprises:
- a gasoline direct injector having an external shank and a distal output end;
- and
- a nozzle cap covering the distal output end, wherein the nozzle cap is welded to the external shank.
Dependencies are inferred from the claim text.