3451474

Information

• Patent Grant
• 3451474

• References
• Source

• Patent Number

  3,451,474

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1969
  55 years ago

• CPC

  • F02C7/08 - Heating air supply before combustion
  • F28D9/0081 - the conduits for one heat-exchange medium being formed by a single plate-like element ; the conduits for one heat-exchange medium being integrated in one single plate-like element
  • F28F3/04 - the means being integral with the element
  • F05D2250/61 - corrugated
  • Y10S165/373 - Adjacent heat exchange plates having joined bent edge flanges for forming flow channels therebetween

• US Classifications

  • 165 - Heat exchange
  • 261 - Gas and liquid contact apparatus