Heat-actuated heat pumping apparatus and process

Details Heat-actuated heat pumping apparatus and process Heat-actuated heat pumping apparatus and process

1982-11-26

1984-06-26

Capossela, Ronald C.

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

60520, F25B 900

Patent

active

044558414

ABSTRACT:
A heat actuated heat pumping apparatus and process having two working chambers to provide a Vuilleumier cycle for space conditioning. The working chamber volumes are in pressure communication with each other in the vicinity of intermediate thermal exchange means in each volume equalizing the pressure between the two working volumes with one module acting as the driver for the heat pumping action of the second module. Pressure communication may be maintained through a floating piston thereby providing two different intermediate heat rejection temperature levels resulting in a four temperature level Vuilleumier heat pump. The apparatus and process of this invention reduces mechanical complexity and improved thermal exchange in a heat pump system suitable for large air conditioning applications and hot water heating as well as small refrigeration and cryogenic applications.

REFERENCES:
patent: 3858802 (1975-01-01), Stobart
patent: 3994136 (1976-11-01), Polster
patent: 4044558 (1977-08-01), Benson

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