F - Mech Eng,Light,Heat,Weapons – 03 – G
Patent
F - Mech Eng,Light,Heat,Weapons
03
G
103/32, 60/40
F03G 7/00 (2006.01) F04B 17/00 (2006.01)
Patent
CA 1234497
Abstract of the Disclosure An apparatus for converting low level thermal radiation into mechanical work. The apparatus incorporates a collector (11) to receive and concentrate low level thermal energy to generate a pressure by vaporizing a working fluid. An expansible chamber (70), having at least one movable wall, defined by a diaphragm (54), is selec- tively in fluid communication with the collector (11). A movable piston (61) is operatively associated with the movable wall of the expansible chamber (70). A connecting rod (71) is secured at one end to the movable piston (61); the other end of the connecting rod (71) is suitable for connecting to a mechanical load. A valve spool (73), slidably associated about the surface of the connecting rod (71) effects fluid communication of the expansible chamber (70) alternately with the collector (11) and an exhaust chamber (124), the latter having a pressure substantially less than the work presure of the collector (11). A com- pressor (106) receives working fluid from the exhaust chamber (124) and supplies it to the collector (11).
483016
Gowling Lafleur Henderson Llp
Solomon Fred D.
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