F - Mech Eng,Light,Heat,Weapons – 01 – K
Patent
F - Mech Eng,Light,Heat,Weapons
01
K
60/26
F01K 27/00 (2006.01) F01K 21/00 (2006.01) F25B 11/02 (2006.01) F25B 13/00 (2006.01) F25B 9/00 (2006.01)
Patent
CA 1100317
METHOD AND APPARATUS FOR CONVERTING THERMAL ENERGY TO MECHANICAL ENERGY ABSTRACT OF THE DISCLOSURE A continuous method and closed cycle system for converting thermal energy to mechanical energy comprises vapor- izing means, including an energy conversion tube comprising at least one nozzle section, for converting a liquid working fluid stream to a predominantly, by volume, vapor or an all vapor stream, turbine means operated by the stream for convert- ing a portion of the vapor stream energy to mechanical shaft work; means for increasing the thermal and potential energy of the turbine exhaust stream and for condensing it to a sub- stantially liquid stream; and means for recycling the liquid stream to the vaporizing means. The system has particular application to conventional refrigeration/heat pump cycles wherein the conventional throttling valve is replaced by a non-throttling nozzle and a turbine for capturing and using the work of expansion. Energy conversion tubes of the present system also find application in high flow rate, two phase flow applications, such as pressure vessel safety relief valves.
297009
Macrae & Co.
Williams Kenneth A.
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