Variable flow chilled fluid cooling system

Details Variable flow chilled fluid cooling system Variable flow chilled fluid cooling system

1998-04-07

1999-09-07

Bennett, Henry

Refrigeration

Automatic control

Refrigeration producer

62185, 236 25A, F25B 700

Patent

active

059469269

ABSTRACT:
The present invention improves efficiency, and thereby save energy, in compressed fluid types of cooling systems, avoids instability in chiller controls, and thus provides for stable operation of a chiller in a cooling system, and provides a novel, improved single-circuit, chilled fluid cooling system that incorporates a variable flow chilled water distribution system without encountering control instability while obviating the need for constant high flow rates through a chiller by providing methods and apparatus for stable operation at reduced and variable flows.

REFERENCES:
patent: 3780532 (1973-12-01), Norbeck et al.
patent: 4282718 (1981-08-01), Kountz et al.
patent: 4327559 (1982-05-01), Spethmann
patent: 4495777 (1985-01-01), Babington
patent: 4589060 (1986-05-01), Zinsmeyer
patent: 5070704 (1991-12-01), Conry
patent: 5309727 (1994-05-01), Duff et al.
patent: 5600960 (1997-02-01), Schwedler et al.
Thomas B. Hartman, "Design Issues of Variable Chilled-Water Flow Through Chillers" (Ashrae Transactions 1996).

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