2789515

Information

• Patent Grant
• 2789515

• References
• Source

• Patent Number

  2,789,515

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1957
  67 years ago

• CPC

  • F04B1/0404 - Details, component parts specially adapted for such pumps
  • F04B1/0408 - Pistons
  • F04B1/0421 - Cylinders
  • F04B1/0452 - Particularities relating to the distribution members
  • F04B1/1071 - with rotary cylinder block
  • F04B1/1072 - with cylinder block and actuating cam rotating together
  • F04B7/0053 - for reciprocating distribution members
  • F04B13/02 - of two or more fluids at the same time
  • F04B15/00 - Pumps adapted to handle specific fluids
  • F04B15/02 - the fluids being viscous or non-homogeneous
  • F04B17/05 - driven by internal-combustion engines
  • F04B39/0292 - Lubrication of pistons or cylinders
  • F04B49/005 - changing the phase relationship of two working pistons in one working chamber or the phase-relationship of a piston and a driven distribution member
  • F04B49/128 - by changing the eccentricity of the cylinders

• US Classifications

  • 417 - Pumps
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices