2219441

Information

• Patent Grant
• 2219441

• References
• Source

• Patent Number

  2,219,441

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1940
  84 years ago

• CPC

  • G05D16/0691 - characterised by the loading mechanisms of the membrane
  • G05D16/2086 - without direct action of electric energy on the controlling means
  • Y10T137/7782 - With manual or external control for line valve
  • Y10T137/783 - Reactor operatively connected to valve by mechanical movement
  • Y10T137/7905 - Plural biasing means

• US Classifications

  • 137 - Fluid handling
  • 092 - Expansible chamber devices
  • 251 - Valves and valve actuation