3704748

Information

• Patent Grant
• 3704748

• References
• Source

• Patent Number

  3,704,748

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1972
  53 years ago

• CPC

  • F28D7/1669 - the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
  • F22B37/04 - and characterised by material
  • F22B37/107 - Protection of water tubes
  • F24H1/145 - using fluid fuel
  • F24H1/165 - using fluid fuel
  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • F28F1/10 - Tubular lements and assemblies thereof with means for increasing heat-transfer area
  • F28F13/003 - by using permeable mass, perforated or porous materials
  • Y10S165/401 - including tube support or shell-side flow director

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • 126 - Stoves and furnaces