2981237

Information

• Patent Grant
• 2981237

• References
• Source

• Patent Number

  2,981,237

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1961
  63 years ago

• CPC

  • F15B11/08 - with only one servomotor
  • F15B2211/212 - the pressure sources being accumulators
  • F15B2211/30515 - Load holding valves
  • F15B2211/30565 - having multiple valves for a single output member
  • F15B2211/31529 - having a single pressure source and a single output member
  • F15B2211/31541 - having a single pressure source and multiple output members
  • F15B2211/31558 - having a single output member
  • F15B2211/31564 - having multiple output members
  • F15B2211/329 - actuated by fluid pressure
  • F15B2211/7052 - Single-acting output members
  • Y10T137/86582 - Pilot-actuated

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 137 - Fluid handling