Absorption cool-warm water machine and method for controlling th

Details Absorption cool-warm water machine and method for controlling th Absorption cool-warm water machine and method for controlling th

1997-06-24

1999-02-02

Doerrler, William

Refrigeration

With alternately usable energy sources

62148, F25B 1500

Patent

active

058650350

ABSTRACT:
An absorption cool-water machine including a high quality fuel system and an exhaust heat utility system and apparatus and method for controlling the same is described in which the control has improved effectiveness in preventing the occurrence of crystallization in the exhaust heat exchanger tubing and/or corrosion resulting from an increase in high temperature regenerator temperatures and to otherwise prevent the production of unavailable refrigerant, save energy in an exhaust heat charge mode of operation, and to insure refrigerating ability even when exhaust water temperatures are low without reducing the effectiveness of the machine. In the described organization, a determination is made of the operative state of the exhaust heat utility system and adjustments are automatically made in supremum limiters for controlling the degree of opening of throttle valves for adjusting the supply of fuel and combustion air to the high quality fuel system that supplies heat to the high temperature regenerator.

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