Environmental control system
First Claim
1. A method of determining minimum outside air requirements for a space having a floor, the method comprising:
- providing an air handler;
providing outside air to said air handler;
determining the occupancy in said space;
providing primary air flow to said space;
determining the primary air flow rate to said space; and
dynamically determining the minimum outside air requirement for the space using said occupancy, said primary air flow rate, and the floor area of the space.
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Accused Products
Abstract
A system for providing outside air to a space for dilution of contaminants within the space. The system includes an air handler that supplies a flow of outside air to the space and an occupancy detector that calculates the occupancy of people in the space. Also included is a processor that determines a flow rate set point for the outside air for the space based on the occupancy in the space, the floor area of the space, and the flow of outside air supplied by the air handler. An air flow controller is provided that modulates the air flow from the air handler to the space. An open protocol network is connected to the air handler, the occupancy detector, and the air flow controller, and the processor dynamically calculates the outdoor air flow rate set point.
74 Citations
25 Claims
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1. A method of determining minimum outside air requirements for a space having a floor, the method comprising:
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providing an air handler; providing outside air to said air handler; determining the occupancy in said space; providing primary air flow to said space; determining the primary air flow rate to said space; and dynamically determining the minimum outside air requirement for the space using said occupancy, said primary air flow rate, and the floor area of the space.
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2. A system for providing outside air to a space for dilution of contaminants within the space, the space having a floor, the system comprising:
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an air handler that supplies a flow of said outside air to said space; an occupancy detector that calculates the occupancy in said space; and a processor that determines an outside air set point for said space based on said occupancy, the floor area of said space, and said flow of outside air supplied by said air handler. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A system for providing outside air to a space for dilution of contaminants within said space, said space having a floor, the system comprising:
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an air handler that supplies a flow of said outside air to said space; an occupancy detector that calculates the occupancy in said space; and means for determining a set point for said outside air for said space based on said occupancy, the floor area of said space, and said flow of outside air supplied by said air handler.
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19. A system for providing outside air to a space for dilution of contaminants within the space, the space having a floor, the system comprising:
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an air handler that supplies a flow of said outside air to said space; an air flow controller that modulates the air flow from said air handler to said space; an occupancy detector that calculates the occupancy in said space; a processor that dynamically determines an outside air set point for said space based on said occupancy, the floor area of said space, and said flow of outside air supplied by said air handler; and an open protocol network connecting said processor, said air handler, said occupancy detector, and said air flow controller. - View Dependent Claims (20, 21, 22, 23, 24)
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25. A system for providing outside air to a space for dilution of contaminants within the space, the space having a floor, the system comprising:
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means for supplying a flow of said outside air to said space; means for determining the occupancy in said space based on the concentrations of carbon dioxide in said space; means for dynamically determining an outside air set point for said space based on said occupancy, the floor area of said space, and said flow of outside air supplied by said air handler; and an open protocol network connecting said means for supplying a flow of said outside air and said means for determining the occupancy in said space.
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Specification