3087469

Information

• Patent Grant
• 3087469

• References
• Source

• Patent Number

  3,087,469

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1963
  62 years ago

• CPC

  • F15B9/08 - controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
  • G05G25/00 - Other details or appurtenances of control mechanisms
  • G05G2700/14 - with one elastic element as essential part
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device
  • Y10T137/8671 - With annular passage [e.g., spool]

• US Classifications

  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 267 - Spring devices