3289689

Information

• Patent Grant
• 3289689

• References
• Source

• Patent Number

  3,289,689

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1966
  59 years ago

• CPC

  • F16K31/406 - acting on a piston
  • F16K1/126 - actuated by fluid
  • G05D16/106 - using sliding elements
  • G05D16/2093 - with combination of electric and non-electric auxiliary power
  • Y10T137/3476 - Internal servo-motor with internal pilot valve

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation