2198404

Information

• Patent Grant
• 2198404

• References
• Source

• Patent Number

  2,198,404

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1940
  85 years ago

• CPC

  • F22B1/284 - with water in reservoirs
  • F22D5/02 - with an intermediate compartment from which the water is fed by gravity after mechanically moving the compartment, the movement being controlled according to water level
  • F22D5/24 - with electric switches
  • Y10T137/2511 - Fuel controlled by boiler or water system condition
  • Y10T137/2516 - Interconnected flow displacement elements
  • Y10T137/6606 - With electric heating element
  • Y10T137/7036 - Jacketed
  • Y10T137/7039 - Tank supports
  • Y10T137/7787 - Expansible chamber subject to differential pressures

• US Classifications

  • 392 - Electric resistance heating devices
  • 137 - Fluid handling
  • 200 - Electricity: circuit makers and breakers
  • 251 - Valves and valve actuation