3267862

Information

• Patent Grant
• 3267862

• References
• Source

• Patent Number

  3,267,862

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1966
  59 years ago

• CPC

  • F04C13/007 - Venting; Gas and vapour separation during pumping
  • F04C2/10 - of internal-axis type with the outer member having more teeth or tooth-equivalents
  • F04C2/344 - with vanes reciprocating with respect to the inner member
  • F04C2210/10 - working
  • F04C2210/24 - mixed
  • F04C2220/20 - Pumps with means for separating and evacuating the gaseous phase

• US Classifications

  • 418 - Rotary expansible chamber devices