2639693

Information

• Patent Grant
• 2639693

• References
• Source

• Patent Number

  2,639,693

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1953
  71 years ago

• CPC

  • F16K39/024 - using an auxiliary valve on the main valve
  • F15B11/08 - with only one servomotor
  • F15B2211/20523 - Internal combustion engine
  • F15B2211/255 - Flow control functions
  • F15B2211/275 - Control of the prime mover
  • F15B2211/30575 - in a Wheatstone Bridge arrangement (also half bridges)
  • F15B2211/31529 - having a single pressure source and a single output member
  • F15B2211/31576 - having a single pressure source and a single output member
  • F15B2211/321 - mechanically
  • F15B2211/329 - actuated by fluid pressure
  • F15B2211/6355 - having valve means
  • Y10T137/87201 - Common to plural valve motor chambers
  • Y10T137/87241 - Biased closed

• US Classifications

  • 137 - Fluid handling
  • 060 - Power plants
  • 091 - Motors: expansible chamber type
  • 251 - Valves and valve actuation