2255560

Information

• Patent Grant
• 2255560

• References
• Source

• Patent Number

  2,255,560

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1941
  83 years ago

• CPC

  • F15B11/17 - using two or more pumps
  • F15B11/022 - in which a rapid approach stroke is followed by a slower, high-force working stroke
  • F15B2211/20515 - Electric motor
  • F15B2211/20576 - with multiple pumps
  • F15B2211/251 - High pressure control
  • F15B2211/252 - Low pressure control
  • F15B2211/265 - Control of multiple pressure sources
  • F15B2211/27 - Directional control by means of the pressure source

• US Classifications

  • 060 - Power plants
  • 417 - Pumps