3665806

Information

• Patent Grant
• 3665806

• References
• Source

• Patent Number

  3,665,806

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1972
  52 years ago

• CPC

  • F15B9/02 - with servomotors of the reciprocatable or oscillatable type
  • F15B11/10 - in which the servomotor position is a function of the pressure also pressure regulators as operating means for such systems, the device itself may be a position indicating system
  • F15B2211/30525 - Directional control valves
  • F15B2211/3144 - the positions being continuously variable
  • F15B2211/31529 - having a single pressure source and a single output member
  • F15B2211/329 - actuated by fluid pressure
  • F15B2211/351 - Flow control by regulating means in feed line
  • F15B2211/355 - Pilot pressure control
  • F15B2211/40507 - with constant throttles or orifices
  • F15B2211/41581 - being connected to an output member and a return line
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/6355 - having valve means
  • F15B2211/67 - Methods for controlling pilot pressure
  • F15B2211/7054 - Having equal piston areas

• US Classifications

  • 091 - Motors: expansible chamber type