Absorption chiller heater and unit-type air conditioning system

Details Absorption chiller heater and unit-type air conditioning system Absorption chiller heater and unit-type air conditioning system

1992-04-10

1994-03-01

Ford, John K.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

165 22, 165 50, 165 63, 62148, 62185, 62201, 62476, 236 1B, F25B 2900, F25B 1500

Patent

active

052898687

ABSTRACT:
An unit-type air conditioning system is provided to enable low-load operation of an absorption chiller heater, to thereby improve the load responsiveness, and to use such a chiller heater as an outdoor unit. A plurality of burners are provided in a high temperature generator of the absorption chiller heater, thereby enabling the low-load operation. A refrigerant return valve is provided so as to speed up the stop operation. Flow rates of pumps are controlled in accordance with detected values of temperatures in the chiller heater and a load change, thus improving the load responsiveness. Further, in the air conditioning system with this chiller heater serving as an outdoor unit, required operation prediction is performed on the basis of outer signals from load units and the like, and prediction control according to its result is conducted, further improving the load responsiveness.

REFERENCES:
patent: 3314246 (1967-04-01), Hopkins et al.
patent: 3593780 (1971-07-01), Donnelly
patent: 3837174 (1974-09-01), Miyagi et al.
patent: 4429541 (1984-02-01), Kamejima et al.
patent: 4493192 (1985-01-01), Hibino et al.
patent: 4498307 (1985-02-01), Hibino et al.
patent: 4894998 (1990-01-01), Kaneko et al.
patent: 5142877 (1992-09-01), Shimizu
Whitlow et al, An Improved Absorption Refrigeration Cycle Gas Age Oct. 30, 1958 pp. 19-22.

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