Transcritical heat pump water heater with drainage

Details Transcritical heat pump water heater with drainage Transcritical heat pump water heater with drainage

2007-12-25

2007-12-25

Jones, Melvin (Department: 3744)

Refrigeration

Disparate apparatus utilized as heat source or absorber

With vapor compression system

C165S140000

Reexamination Certificate

active

11068413

ABSTRACT:
A water heater is provided by a refrigerant cycle, in which the gas cooler is utilized to heat the water. A drain is incorporated into a water circuit for draining all of the water outwardly of the circuit when the system is shut down. In a preferred embodiment, a water outlet of the gas cooler is at the vertically lowermost portion of the water circuit. A drain valve is placed in this vertically lowermost location such that the water can be easily drained.

REFERENCES:
patent: 4517827 (1985-05-01), Tapscott
patent: 4528822 (1985-07-01), Glamm
patent: 4616487 (1986-10-01), Franklin
patent: 5367885 (1994-11-01), Sagar
patent: 5772113 (1998-06-01), Gerstmann et al.
patent: 5984198 (1999-11-01), Bennett

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