3332440

Information

• Patent Grant
• 3332440

• References
• Source

• Patent Number

  3,332,440

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1967
  57 years ago

• CPC

  • F16K31/1262 - one side of the diaphragm being spring loaded
  • G05D23/122 - using a plurality of sensing elements
  • G05D23/185 - with auxiliary non-electric power
  • Y10T137/86919 - Sequentially closing and opening alternately seating flow controllers
  • Y10T137/86928 - Sequentially progressive opening or closing of plural valves
  • Y10T137/87161 - With common valve operator
  • Y10T137/87997 - Alternately seating
  • Y10T137/88062 - Coaxial oppositely directed seats

• US Classifications

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