3877478

Information

• Patent Grant
• 3877478

• References
• Source

• Patent Number

  3,877,478

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • F23N1/087 - using mechanical means
  • F16K31/086 - the magnet being movable and actuating a second magnet connected to the closing element
  • F23N2035/22 - cooperating with magnets
  • F23N2035/24 - Valve details
  • F23N2041/04 - Heating water
  • Y10T137/2511 - Fuel controlled by boiler or water system condition
  • Y10T137/2703 - Flow rate responsive

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation