Resources Contact Us Home
Valve and a gas burner

Image Number 7 for United States Patent #7059581.

A valve for supplying fuel gas to a fuel gas appliance comprises a valve housing which defines a valve chamber within which a main carrier member is axially moveable. The main carrier carries a primary and a secondary valving member for co-operating respectively with a primary and a secondary valve seat. A pilot fluid outlet supplies fuel gas to a pilot jet. A stepper motor comprising a rotor and four magnetic coils urges the main carrier between a fully open and closed position. An electro-magnetic coil located in the main carrier magnetically couples primary and secondary end plates to the main carrier. Magnetic decoupling of the primary and secondary end plates from the main carrier permits the main carrier to be urged into the closed position by primary compression springs. The drive transmission comprises a drive shaft from the rotor of the stepper motor and a drive spindle.

  Recently Added Patents
Image forming system and method of controlling the image forming system for performing image formation by combination of an information processing apparatus, an image supply apparatus, and an
Image forming apparatus, information processing apparatus, computer readable medium and image forming system
Display device and manufacturing method thereof
Feedthrough assembly including electrical ground through feedthrough substrate
H.264 to VC-1 and VC-1 to H.264 transcoding
Ink jet recording apparatus
Active current surge limiters with inrush current anticipation
  Randomly Featured Patents
Display device
Process for preparing an oxidation catalyst
Surgical saddle
Maize variety hybrid X8K842
Fertilizer and method for producing same
Temperature control of ink-jet recording head using heat energy
Golf bag body
Refrigeration of superconducting magnet system
Superconducting coil
Measuring method, analyzing method, measuring apparatus, analyzing apparatus, ellipsometer, and computer program