2979903

Information

• Patent Grant
• 2979903

• References
• Source

• Patent Number

  2,979,903

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1961
  64 years ago

• CPC

  • F15B11/0325 - the fluid-pressure converter increasing the working force after an approach stroke
  • B30B15/165 - for pneumatically-hydraulically driven presses
  • F15B11/0725 - with the driving energy being derived from a pneumatic system, a subsequent hydraulic system displacing or controlling the output element
  • F15B2211/212 - the pressure sources being accumulators
  • F15B2211/216 - the pressure sources being pneumatic-to-hydraulic converters
  • F15B2211/30525 - Directional control valves
  • F15B2211/327 - electrically or electronically
  • F15B2211/6313 - the pressure being a load pressure
  • F15B2211/7053 - Double-acting output members

• US Classifications

  • 060 - Power plants
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices