3726502

Information

• Patent Grant
• 3726502

• References
• Source

• Patent Number

  3,726,502

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1973
  51 years ago

• CPC

  • G01P1/11 - by the detection of the position of the indicator needle
  • F01D17/22 - the operation or power assistance being predominantly non-mechanical
  • F01D17/26 - fluid
  • F15C1/002 - for controlling engines, turbines, compressors (starting, speed regulation, temperature control or the like)
  • H02P23/16 - Controlling the angular speed of one shaft
  • C02F2103/007 - Contaminated open waterways, rivers, lakes or ponds
  • C02F2103/08 - Seawater

• US Classifications

  • 251 - Valves and valve actuation
  • 091 - Motors: expansible chamber type