Resources Contact Us Home
Safety valve

Image Number 3 for United States Patent #5732729.

A valve includes two outlet ports and two inlets communicating with a chamber and includes two valve seats. A membrane is secured in the chamber. Two plugs are slidably engaged in the inlets for engaging with the valve seats and each includes one end engaged with the membrane and the other end slidably engaged with a cap. Two springs are engaged between the plugs and the caps for balancing the membrane and the plugs. One of the plugs is forced to engage with the valve seat by water from the inlet when no water is supplied to the other inlet.

  Recently Added Patents
Compositions of quaternary ammonium compounds containing bioavailability enhancers
Touchscreen with extended conductive pattern
Method and system for tracking mobile electronic devices while conserving cellular network resources
Architectural panel with Tarwe and grass
Keypad assembly for electronic devices
High gradient lens for charged particle beam
System and method for detecting crop rows in an agricultural field
  Randomly Featured Patents
Hinged cover for a golf bag container
Fire resistant microemulsions containing phenyl alcohols as cosurfactants
Terminal authentication in a wireless network
Floor lamp dimmer
Wireless communication apparatus
Damping system using a LOLIMOT model to counteract drive train oscillations
CO.sub.2 Removal from high CO.sub.2 content hydrocarbon containing streams
Fixing device controlling method, fixing device, and image forming apparatus for forming fixed images of desired glossiness
Synthesis of biurets and isocyanates with alkoxysilane functions, formulations containing same and use thereof
Apparatus and method for controlling idle rotation speed of an internal combustion engine