Patent ID: 8532832

Claim:
A system for utilizing separate flows of high pressure, high temperature fluid from a compressor to control a temperature of a thermal load having an input and an output, and comprising: a first propagation path receiving high pressure, high temperature flow of the fluid in gaseous state from said compressor and comprising a controllable flow valve providing a variable mass flow rate, said first propagation path including circuits coupling said variable flow to an output of said thermal load; a second propagation path receiving high temperature, high pressure fluid from said compressor, at a rate dependent on the mass flow extracted in said first propagation path; a cooling flow circuit including a condenser disposed in said second propagation path for liquefying the received pressurized gas, and said cooling flow circuit further including; a thermo-expansion valve for expanding and thereby cooling said second flow to an at least partially vapor state at an output; and input circuits coupling the output of said cooling flow circuit to an input of said thermal load; and a first mixer having first and second inputs and coupled to receive a flow from said first propagation path at a first input and the output flow from said thermal load at a second input, said first mixer having an output providing a mixed output flow to the compressor, such that the temperature of said thermal load is controlled by the mixed flow.