Simplified engine coolant system for gas engine heat pump

Details Simplified engine coolant system for gas engine heat pump Simplified engine coolant system for gas engine heat pump

1993-07-12

1994-11-15

Bennett, Henry A.

Refrigeration

With internal-combustion engine

237 2B, 165 29, F25B 2700

Patent

active

053636732

ABSTRACT:
A coolant fluid circulation subsystem for engine driven heat pump systems including a coolant fluid loop through the engine and a recouperator, 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.

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patent: 4292814 (1981-10-01), Braun
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patent: 4991400 (1991-02-01), Wilkinson
patent: 5003788 (1991-04-01), Fischer
patent: 5020320 (1991-06-01), Talbert et al.
patent: 5029449 (1991-07-01), Wilkinson
patent: 5099651 (1992-03-01), Fischer

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