Two-pipe heat pump system with isolated tank coil for domestic h

Heating systems – Automatic control – Water

Patent

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Details

237 2B, 623231, F24D 300

Patent

active

057721130

ABSTRACT:
An engine-driven heat pump system is disclosed in which the waste heat from the engine is used to only heat the water contained in a water heater. Space heating may be then provided by circulating the water through an air-handling unit. In order to simplify the operation, the engine's coolant is circulated through a tube surrounding the heater's storage tank. Any risk of contamination to the potable water supply is removed by venting the region surrounding the coolant-to-water heat exchanger. This is achieved by assuring that a surrounding insulation layer does not form a seal over the heat exchanger and by using a non-setting thermally conductive paste between the tube and tank.

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"Introducing the Combicor.TM. Direct Fired System," Bradford White Corporation, Spring House Corporate Center, Suite 250, 321 Norristown Road, Ambler, PA 19002-2755 (Advertisement Brochure).

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