3797514

Information

• Patent Grant
• 3797514

• References
• Source

• Patent Number

  3,797,514

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  50 years ago

• CPC

  • F17C13/021 - having the height as the parameter
  • F16K21/185 - with electrical or magnetical means
  • F17C2201/0119 - with flat end-piece
  • F17C2201/056 - Small (<1 m3)
  • F17C2203/0391 - by vacuum
  • F17C2203/0636 - Metals
  • F17C2205/0326 - electrically actuated
  • F17C2221/014 - Nitrogen
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2227/0107 - by pressurising the ullage
  • F17C2227/04 - Methods for emptying or filling
  • F17C2250/0413 - with floats
  • F17C2250/0417 - with electrical means
  • F17C2250/061 - Level of content in the vessel
  • F17C2250/0636 - Flow or movement of content
  • F17C2250/0673 - Time or time periods
  • F17C2250/072 - Action when predefined value is reached
  • F17C2265/031 - by discharge
  • F17C2265/037 - with pressurising
  • F17C2270/0509 - "Dewar" vessels
  • Y10T137/314 - Unitary mounting for gas pressure inlet and liquid outlet
  • Y10T137/3143 - With liquid level responsive gas vent or whistle
  • Y10T137/7306 - Electrical characteristic sensing

• US Classifications

  • 137 - Fluid handling