FAN ARRAY FAN SECTION in AIR-HANDLING SYSTEMS
First Claim
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1. A fan array fan section in an air-handling system to supply air to a building, comprising:
- an air handling compartment having a discharge plenum configured to deliver air to a ventilation system for at least a portion of the building;
a fan array of fan units positioned in the air handling compartment, the fan units configured to be ON and OFF;
wherein the air handling compartment includes multiple chambers arranged in an array where at least a portion of the chambers are located proximate to one another in at least one row or column, wherein the fan units are positioned in corresponding chambers of the air handling compartment; and
an array controller configured to meet a first air demand by operating all of the fan units at a first fan speed and to meet the first air demand by operating a subset of the fan units at a second fan speed.
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Abstract
A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units at peak efficiency. The plurality of fan units may be arranged in a true array configuration, a spaced pattern array configuration, a checker board array configuration, rows slightly offset array configuration, columns slightly offset array configuration, or a staggered array configuration.
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Citations
51 Claims
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1. A fan array fan section in an air-handling system to supply air to a building, comprising:
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an air handling compartment having a discharge plenum configured to deliver air to a ventilation system for at least a portion of the building; a fan array of fan units positioned in the air handling compartment, the fan units configured to be ON and OFF; wherein the air handling compartment includes multiple chambers arranged in an array where at least a portion of the chambers are located proximate to one another in at least one row or column, wherein the fan units are positioned in corresponding chambers of the air handling compartment; and an array controller configured to meet a first air demand by operating all of the fan units at a first fan speed and to meet the first air demand by operating a subset of the fan units at a second fan speed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A fan array fan section in an air-handling system to supply air to a building, comprising:
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an air handling compartment having a discharge plenum configured to deliver air to a ventilation system for at least a portion of the building; a fan array of fan units positioned in the air handling compartment, the fan units configured to be ON and OFF; wherein the air handling compartment includes multiple chambers arranged in an array where at least a portion of the chambers are located proximate to one another in at least one row or column, wherein the fan units are positioned in corresponding chambers of the air handling compartment; and an array controller configured; to operate all of the fan units on-line to meet a first air demand; and while at least one of the fan units is off-line, to operate at least a portion of the fan units that are on-line, to meet the first air demand.
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32. A method for providing a fan array fan section in an air-handling system to supply air to a building, comprising:
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providing an air handling compartment having a discharge plenum configured to deliver air to a ventilation system for at least a portion of the building; providing a fan array of fan units; operating all of the fan units, as a full-array-on-line set, to meet a first air demand; and while at least one of the fan units is removed or off-line, operating a sub-set of the fan units, as a partial-array-on-line sub-set, to meet the first air demand. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A method for providing a fan array fan section in an air-handling system to supply air to a building, the method comprising:
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providing an air handling compartment having a discharge plenum configured to deliver air to a ventilation system for at least a portion of the building; providing a fan array of fan units positioned in the air handling compartment, the fan units configured to be ON and OFF; including multiple chambers, in the air handling compartment, arranged in an array where at least a portion of the chambers are located proximate to one another in at least one row or column; positioning the fan units in corresponding chambers of the air handling compartment; and configuring an array controller to meet a first air demand by operating all of the fan units at a first fan speed and to meet the first air demand by operating a subset of the fan units at a second fan speed. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51)
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Specification