Patent ID: 6481206
Filing Date: 2002-11-19
Classification: F02G

Abstract:
A compound, limited temperature cycle for operating an engine comprising:a compression process 1-2; a heat addition process 2-3-4, said heat addition process 2-3-4 further comprising, a first heat addition process 2-3 carried out via injection and combustion of fuel in a cylinder of said engine while maintaining a constant pressure and while increasing volume in said cylinder; and a second heat addition process 3-4 carried out via injection and combustion of fuel in said cylinder while maintaining a constant, limited temperature and while increasing volume in said cylinder; an adiabatic expansion process 4-5; and a constant pressure heat remove process 5-1; wherein said compression process, said heat addition process, said adiabatic expansion process, and said constant pressure heat remove process combine to form a compound, limited temperature cycle 1-2-3-4-5-1.