2971499

Information

• Patent Grant
• 2971499

• References
• Source

• Patent Number

  2,971,499

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1961
  63 years ago

• CPC

  • E02F3/844 - for positioning the blade
  • F15B9/08 - controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
  • F15B15/12 - of the oscillating-vane or curved-cylinder type
  • Y10T137/0947 - With servo connection to valve
  • Y10T137/8667 - Reciprocating valve
  • Y10T137/86879 - Reciprocating valve unit

• US Classifications

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