Laser-induced ammonia combustion
Laser-induced methods for ammonia decomposition and ignition address its ignition challenges, enhancing flame speed and stability in internal combustion engines, reducing emissions.
WO2026107022A1PCT designated stage Publication Date: 2026-05-21THE RES FOUNDATION FOR THE STATE UNIV OF NEW YORK
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Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- THE RES FOUNDATION FOR THE STATE UNIV OF NEW YORK
- Filing Date
- 2025-11-12
- Publication Date
- 2026-05-21
AI Technical Summary
Technical Problem
Ammonia's high auto-ignition resistance, high ignition temperature requirement, and low flame speed pose challenges for its use in reciprocating piston engines, particularly in Department of Defense applications, necessitating improved ignition methods.
Method used
Employing laser-induced photochemical pathways and laser-induced breakdown processes to decompose and ignite ammonia, utilizing lasers with various wavelengths and pulse durations to enhance flame speed and overcome ignition barriers.
Benefits of technology
The laser-induced methods facilitate efficient ammonia combustion, reducing NOx emissions and improving combustion stability, enabling reliable use in internal combustion engines.
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Smart Images
Figure US2025055077_21052026_PF_FP_ABST
Abstract
An internal combustion engine for combusting ammonia includes a combustion chamber configured to receive an ammonia-based fuel mixture including ammonia and at least one of air or oxygen; a piston movable within the combustion chamber configured to compress the ammonia-based fuel mixture; and a laser emitter configured to emit a first laser into the combustion chamber for decomposing ammonia in the ammonia-based fuel mixture.
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