3417228

Information

• Patent Grant
• 3417228

• References
• Source

• Patent Number

  3,417,228

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1968
  56 years ago

• CPC

  • F24H9/2028 - Continuous-flow heaters
  • G05D23/1913 - delivering a series of pulses
  • G05D23/24 - the sensing element having a resistance varying with temperature
  • H01H37/32 - Thermally-sensitive members
  • H01H37/50 - with extensible wires under tension
  • H02H5/041 - additionally responsive to excess current
  • H05B3/48 - heating conductor embedded in insulating material

• US Classifications

  • 219 - Electric heating