Improved Heat Utilization In ORC Systems

A waste heat recovery method comprising:

• with a prime mover operatively connected to at least one prime mover fuel source;
• A. directing heat produced in said prime mover to a waste heat recovery system;
• B. transferring thermal energy from said heat to an evaporator in the waste heat recovery system;
• C. generating heated working fluid in the evaporator;
• D. directing said heated working fluid from the evaporator through an expander, and developing converted energy as said heated working fluid flows through said expander;
• E. transferring at least a portion of the converted energy from the expander to a power receiving component;
• F. transferring said heated working fluid from the expander to a heat coupling subsystem and, in the heat coupling subsystem, generating cooled working fluid liquid and heated separate heat transfer media;
• G. transferring said cooled working fluid liquid from the heat coupling subsystem to the evaporator;
• H. circulating said separate heat transfer media between said heat coupling subsystem and said at least one prime mover fuel source in a closed loop system;
• and
• I. directing thermal energy from said separate heat transfer media to said at least one prime mover fuel source.

A method of power generation comprising:

• A. with a prime mover, generating prime mover power and prime mover waste heat;
• B. with an ORC system, converting the prime mover waste heat to ORC power and ORC waste heat;
• and
• C. with a prime mover fuel generation system, generating prime mover fuel with the ORC waste heat.

A power production apparatus comprising:

• A. a prime mover having a first power generation system;
• B. a closed loop Rankine cycle system in heat transfer communication with the prime mover;
• and
• C. a heat consuming prime mover fuel production system in heat transfer communication with the closed loop Rankine cycle system.