Refrigeration – Reversible – i.e. – heat pump
Patent
1990-09-06
1992-07-14
Makay, Albert J.
Refrigeration
Reversible, i.e., heat pump
622351, 622384, 62236, 417383, F25B 2700
Patent
active
051292360
ABSTRACT:
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 condensor (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.
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Doerrler William C.
Makay Albert J.
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