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
Systems and methods to provide report part via a web service
Toner cartridge and image forming apparatus including the same
PEGylated, extended insulins
Formation of a masking layer on a dielectric region to facilitate formation of a capping layer on electrically conductive regions separated by the dielectric region
Method and apparatus for storing email messages
Leaky wave mode solar receiver
Header rail for a shower screen or the like
  Randomly Featured Patents
Video compression noise immunity
Hafnium pyrophosphate phosphors and methods of preparation
Bagel holder
Method of cleaning, disinfecting and sterilizing hemodialysis apparatus
Gas engine with pre-combustion chamber
Spinal therapy board
Thick film low value high frequency inductor, and method of making the same
Air purification process with thermal regeneration
System and method for signaling status of traffic flow
Air inlet for a heating or air conditioning installation in an motor vehicle