F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
F25B 30/02 (2006.01) F01L 23/00 (2006.01) F04B 9/125 (2006.01) F04B 9/133 (2006.01) F25B 27/00 (2006.01)
Patent
CA 2090467
2090467 9204584 PCTABS00011 A heat pump system (10, 210) includes a power section (11, 211) having a generator (15, 215) for converting a first working fluid from a liquid to a relatively high pressure gas, a power unit (25, 222) providing energy by the conversion of the relatively high pressure gas to relatively low pressure gas to power a drive piston (27, 228') for intermittently delivering a power stroke, a power section condenser (51, 251) converting the first working fluid from relatively low pressure gas to the liquid, a compressor section (12, 212) intermittently driven by the drive piston, the compressor section having a compressor (75, 275) converting relatively low pressure gas second working fluid to relatively high pressure gas second working fluid for circulating the second working fluid through a compressor section condenser (108, 308) and a compressor section evaporator (115, 315) to effect heating and cooling operations. A combined power unit and compressor assembly (221, 221') may be employed which has a valve assembly (232, 332) for introducing the relatively high pressure gas to power the drive piston and for evacuating the relatively low pressure gas therefrom. A condensate pump (55, 255, 455) circulates the liquid in the power section.
Gowling Lafleur Henderson Llp
Solomon Fred D.
LandOfFree
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