3580271

Information

• Patent Grant
• 3580271

• References
• Source

• Patent Number

  3,580,271

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • G05D16/0694 - using a spring-loaded membrane with a spring-loaded slideable obturator
  • G05D16/0686 - characterised by the form of the lever
  • Y10T137/7725 - Responsive to both high and low pressure or velocity
  • Y10T137/7728 - High pressure cut-off
  • Y10T137/773 - Fluid released trip
  • Y10T137/8275 - Indicator element rigidly carried by the movable element whose position is indicated

• US Classifications

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