Patent ID: 11933215
Assignee: ACHATES POWER INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 10:
11. A method for operating an opposed-piston engine, comprising the steps of:
providing a flow of charge air into a combustion chamber formed in a cylinder of the engine;
directly injecting hydrogen fuel into the combustion chamber;
forming a mixture of injected hydrogen fuel and charge air in the combustion chamber;
igniting the mixture of injected hydrogen fuel and charge air by an externally-generated ignition impulse; and,
auto-igniting the mixture of injected hydrogen fuel and charge air by compressing the mixture; and
selectively switching between a first mode of engine operation using the externally-generated ignition impulse and a second mode of engine operation using auto-ignited compression ignition of the mixture, based upon a trapped temperature of the cylinder.