3631893

Information

• Patent Grant
• 3631893

• References
• Source

• Patent Number

  3,631,893

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  53 years ago

• CPC

  • F16K17/168 - combined with manually-controlled valves
  • F16K31/52408 - comprising a lift valve
  • F17C13/12 - Arrangements or mounting of devices for preventing or minimising the effect of explosion; Other safety measures
  • F17C2205/0329 - manually actuated
  • F17C2205/0332 - Safety valves or pressure relief valves
  • F17C2205/0382 - Constructional details of valves, regulators
  • F17C2205/0394 - in direct contact with the pressure vessel
  • F17C2221/035 - Propane butane
  • F17C2223/0153 - Liquefied gas
  • F17C2223/033 - Small pressure
  • F17C2250/0636 - Flow or movement of content
  • F17C2260/022 - Avoiding overfilling
  • Y10T137/7869 - Biased open
  • Y10T137/86944 - One valve seats against other valve [e.g., concentric valves]
  • Y10T137/87394 - Carried valve is direct response valve [e.g., check valve, etc.]
  • Y10T137/87515 - Mechanical movement between actuator and valve

• US Classifications

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