1821509

Information

• Patent Grant
• 1821509

• References
• Source

• Patent Number

  1,821,509

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1931
  93 years ago

• CPC

  • F28D15/0266 - with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
  • F25B17/06 - with the boiler and evaporator built-up as a unit in a tiltable or revolving arrangement

• US Classifications

  • 062 - Refrigeration
  • 165 - Heat exchange