1992048

Information

• Patent Grant
• 1992048

• References
• Source

• Patent Number

  1,992,048

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1935
  90 years ago

• CPC

  • G05D16/0694 - using a spring-loaded membrane with a spring-loaded slideable obturator
  • Y10S236/16 - Relief spring
  • Y10T137/2278 - Pressure modulating relays or followers
  • Y10T137/7759 - Responsive to change in rate of fluid flow
  • Y10T403/459 - Helical spring type coupling

• US Classifications

  • 137 - Fluid handling
  • 074 - Machine element or mechanism
  • 092 - Expansible chamber devices
  • 236 - Automatic temperature and humidity regulation
  • 251 - Valves and valve actuation
  • 267 - Spring devices
  • 403 - Joints and connections