1643483

Information

• Patent Grant
• 1643483

• References
• Source

• Patent Number

  1,643,483

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1927
  97 years ago

• CPC

  • G05D13/00 - Control of linear speed Control of angular speed Control of acceleration or deceleration
  • Y10T137/6525 - Air heated or cooled [fan, fins, or channels]
  • Y10T137/7801 - Balanced valve
  • Y10T137/7803 - With protective separator
  • Y10T137/7805 - Through external pipe
  • Y10T137/7831 - With mechanical movement between actuator and valve

• US Classifications

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