3654891

Information

• Patent Grant
• 3654891

• References
• Source

• Patent Number

  3,654,891

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1972
  52 years ago

• CPC

  • F15B15/2838 - with out using position sensors
  • F15B15/28 - Means for indicating the position
  • F15B15/2823 - by a screw mechanism attached to the piston
  • Y10T137/8225 - Position or extent of motion indicator

• US Classifications

  • 116 - Signals and indicators
  • 073 - Measuring and testing
  • 137 - Fluid handling
  • 251 - Valves and valve actuation