3621670

Information

• Patent Grant
• 3621670

• References
• Source

• Patent Number

  3,621,670

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • F16N19/006 - Maintaining oil level
  • F01M11/061 - Means for keeping lubricant level constant
  • F25B31/002 - lubrication
  • F16N2250/18 - Level
  • F16N2270/14 - using float device
  • F25B2400/075 - with parallel compressors

• US Classifications

  • 062 - Refrigeration
  • 184 - Lubrication