Patent ID: 7347774

Claim:
A flow control device for controlling air flow through a duct in a duct system, the flow control device in communication with at least one other flow control device in the duct system, the flow control device comprising: an air flow control member configured to selectively control air flow through the flow control device; a controller member configured to autonomously control the air flow control member; a sensor member operatively attached to the controller member, wherein the sensor member is configured to sense an environmental condition; a power member for supplying power to the flow control device; and a communication device disposed in the flow control device and operatively attached to the controller member, the communication device is configured to directly communicate with the at least one other flow control device in the duct system, wherein the communication device is configured to receive data directly from the at least one other flow control device and wherein the controller member is configured to analyze the received data and alter the control of the air flow control member accordingly.