3665964

Information

• Patent Grant
• 3665964

• References
• Source

• Patent Number

  3,665,964

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1972
  52 years ago

• CPC

  • F16K47/08 - for decreasing pressure or noise level and having a throttling member separate from the closure member
  • F01B25/00 - Regulating, controlling, or safety means
  • F01D17/145 - by means of valves
  • F16K25/04 - Arrangements for preventing erosion, not otherwise provided for
  • F16K47/04 - for decreasing pressure or noise level , the throttle being incorporated in the closure member
  • F01B2250/002 - Valves, brakes, control or safety devices for steam engines
  • Y10T137/86734 - With metering feature
  • Y10T137/86968 - With balancing chamber
  • Y10T137/86976 - First valve moves second valve
  • Y10T137/86984 - Actuator moves both valves

• US Classifications

  • 137 - Fluid handling