Coolant circulation system for engine heat pump

Details Coolant circulation system for engine heat pump Coolant circulation system for engine heat pump

1992-07-24

1993-10-05

Sollecito, John M.

Heating systems

Automatic control

Heat source is a reverse cycle refrigerating system or heat...

237 123B, 623231, 622387, G05D 2300

Patent

active

052497429

ABSTRACT:
A coolant fluid circulation subsystem for engine driven heat pump systems including a coolant fluid loop through the engine and a recuperator, and through a thermostatic control valve operable to convey and to modulate flow from a coolant reservoir during engine operation, with the coolant fluid being selectively switchable, between first or second heat exchangers in heat exchange relation with the indoor and outdoor ambient condition selectively. An auxiliary pump and coolant fluid heater are provided in the subsystem to increase the heat contained in the coolant fluid and to exchange heat to the indoor ambient condition.

REFERENCES:
patent: 4498622 (1985-02-01), Harnish
patent: 5003788 (1991-04-01), Fischer

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