3785389

Information

• Patent Grant
• 3785389

• References
• Source

• Patent Number

  3,785,389

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1974
  50 years ago

• CPC

  • F15B13/0832 - Modular valves
  • F15B11/0426 - by controlling the number of pumps or parallel valves switched on
  • F15B13/0807 - Manifolds
  • F15C1/02 - Details
  • H03K3/57 - the switching device being a semiconductor device
  • F15B2211/426 - electrically or electronically
  • F15B2211/455 - Control of flow in the feed line
  • F15B2211/6656 - Closed loop control
  • Y10T137/0318 - Processes
  • Y10T137/2224 - Structure of body of device
  • Y10T137/87885 - Sectional block structure

• US Classifications

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