Ventilation – Having inlet airway – Including automatic control means
Patent
1995-01-06
1996-07-30
Joyce, Harold
Ventilation
Having inlet airway
Including automatic control means
454 61, F24F 11047
Patent
active
055406190
ABSTRACT:
A controller controls a prime mover (source component) in a heating, ventilation and air-conditioning (HVAC) distribution system. The controller determines a static pressure setpoint for the source component by first determining the pressure loss of each branch throughout the system. The controller then determines the pressure loss contributed by local components located within each branch of the system. The maximum of the branch pressure losses and the maximum of the component pressure losses are summed to provide the static pressure setpoint for the source component. The method provides control of the prime mover independent of the configuration of the system.
REFERENCES:
Thomas Hartman, Heating/Piping/Air Conditioning, "TRAV--A New HVAC Concept", Jul. 1989, pp. 69-73.
Mashuri Warren et al., ASHRAE Journal, "Integrating VAV Zone Requirements with Supply Fan Operation", Apr. 1993, pp. 43-46.
T. Okada et al., ASHRAE Transactions, "Research and Development of a Home Use VAV Air-Conditioning System", 1992, vol. 2, Pt. 2, pp. 3610-3316.
Dave Goswami, Heating/Piping/Air Conditioning, "VAV Fan Static Pressure Control with DDC", Dec. 1986, pp. 113-117.
Donald Specht, IEEE Transactions on Neural Networks, "A General Regression Neural Network", Nov. 1991, vol. 2, No. 6, pp. 568-576.
Joyce Harold
Landis & Gyr Powers, Inc.
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