Resources Contact Us Home
Positive air flow shutdown system

Image Number 11 for United States Patent #7169039.

An airflow shutdown system that includes an air distribution system and an air duct closure device. The air duct closure device is adapted to substantially instantaneously block airflow in the air distribution system when activated. The system also includes an integrated control system coupled to the air distribution system and adapted to activate the air duct closure device and stop an operation of other air distribution devices in the air distribution system in order to prevent migration of air through the system.

  Recently Added Patents
Method and apparatus for management and analysis of services in VoIP networks
Fixing device, fixing device control method, and image forming apparatus
Image processing apparatus and image processing method
Nucleic acid-based tests for prenatal gender determination
Circuit arrangement for a piezo transformer, and method therefor
LCD driving circuit in which shift register units are driven by a first clock signal of fixed duty/amplitude and a second clock signal of variable duty/amplitude
Tie down strap hook
  Randomly Featured Patents
Non-breakdown triggered electrostatic discharge protection circuit for an integrated circuit and method therefor
Proximity detector
Cover for a food container
Shopping cart bumper
High support nitinol tube guidewire with plastic plug transition
Alleviating stomach ulcers in swine
Switched-capacitor circuit having switch-less feedback path
Rotational and vibrational process for molding cellulosic fibers
Perforated body for a fuel injection valve
Method, apparatus and feeder sleeves for the production of casting moulds